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Commit | Line | Data |
---|---|---|
e7a0f403 | 1 | ; 8080/Z80 Interpreter. |
fa9059af | 2 | ; This is part of the Z80-CP/M emulator written by Sprite_tm. |
4bd49b80 | 3 | ; |
fa9059af L |
4 | |
5 | ; Copyright (C) 2010 Sprite_tm | |
e8384f88 | 6 | ; Copyright (C) 2010-2013 Leo C. |
fa9059af L |
7 | ; Copyright (C) 2010 Horst S. |
8 | ||
9 | ; This file is part of avrcpm. | |
10 | ; | |
11 | ; avrcpm is free software: you can redistribute it and/or modify it | |
12 | ; under the terms of the GNU General Public License as published by | |
13 | ; the Free Software Foundation, either version 3 of the License, or | |
14 | ; (at your option) any later version. | |
15 | ; | |
16 | ; avrcpm is distributed in the hope that it will be useful, | |
17 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ; GNU General Public License for more details. | |
20 | ; | |
21 | ; You should have received a copy of the GNU General Public License | |
22 | ; along with avrcpm. If not, see <http://www.gnu.org/licenses/>. | |
23 | ; | |
12a27f27 | 24 | ; $Id: Z80int-jmp.asm 93 2014-01-03 16:32:32Z rapid $ |
fa9059af L |
25 | ; |
26 | ||
825ecc9d L |
27 | #if EM_Z80 |
28 | ||
fa9059af | 29 | .dseg |
4bd49b80 | 30 | z_regs: |
825ecc9d L |
31 | z_c2: |
32 | .equ oz_c2 = z_c2 - z_regs | |
33 | .byte 1 | |
34 | z_b2: | |
35 | .equ oz_b2 = z_b2 - z_regs | |
36 | .byte 1 | |
37 | z_e2: | |
38 | .equ oz_e2 = z_e2 - z_regs | |
39 | .byte 1 | |
40 | z_d2: | |
41 | .equ oz_d2 = z_d2 - z_regs | |
42 | .byte 1 | |
43 | z_l2: | |
44 | .equ oz_l2 = z_l2 - z_regs | |
45 | .byte 1 | |
46 | z_h2: | |
47 | .equ oz_h2 = z_h2 - z_regs | |
48 | .byte 1 | |
49 | z_f2: | |
50 | .equ oz_f2 = z_f2 - z_regs | |
51 | .byte 1 | |
52 | z_a2: | |
53 | .equ oz_a2 = z_a2 - z_regs | |
54 | .byte 1 | |
55 | ||
56 | z_xl: | |
57 | .equ oz_xl = z_xl - z_regs | |
58 | .byte 1 | |
59 | z_xh: | |
60 | .equ oz_xh = z_xh - z_regs | |
61 | .byte 1 | |
62 | z_yl: | |
63 | .equ oz_yl = z_yl - z_regs | |
64 | .byte 1 | |
65 | z_yh: | |
66 | .equ oz_yh = z_yh - z_regs | |
67 | .byte 1 | |
68 | z_i: | |
69 | .equ oz_i = z_i - z_regs | |
70 | .byte 1 | |
71 | z_r: | |
72 | .equ oz_r = z_r - z_regs | |
73 | .byte 1 | |
74 | ||
75 | z_istat: | |
76 | .equ oz_istat = z_istat - z_regs | |
77 | .byte 1 | |
4c92af0d L |
78 | |
79 | .equ IM_MASK = 0x03 ;Mask IM 0..2 | |
80 | .equ IM0 = 0 | |
81 | .equ IM1 = 1 | |
82 | .equ IM2 = 2 | |
80e1fa71 | 83 | |
4c92af0d L |
84 | .equ IFF1 = 2 ;IFF1 Flag |
85 | .equ IFF2 = 3 ;IFF2 Flag | |
fa9059af L |
86 | #endif |
87 | ||
88 | .cseg | |
4bd49b80 | 89 | |
fa9059af L |
90 | ;Init z80 |
91 | z80_init: | |
e7a0f403 L |
92 | ldiw z_pc,IPLADDR |
93 | ldiw y,z_regs | |
fa9059af | 94 | |
fa9059af | 95 | clr intstat |
e7a0f403 | 96 | |
fa9059af | 97 | printnewline |
80e1fa71 | 98 | |
e7a0f403 L |
99 | .if INS_DEBUG |
100 | sbr intstat,(1<<i_trace) | |
101 | .endif | |
80e1fa71 L |
102 | |
103 | printstring "Ok, "CPUSTR"-CPU is live!" | |
fa9059af L |
104 | printnewline |
105 | ||
106 | main: | |
fa9059af L |
107 | |
108 | .if PRINT_PC | |
109 | cpi z_pch,DBG_TRACE_BOTTOM | |
110 | brlo noprintpc | |
111 | cpi z_pch,DBG_TRACE_TOP | |
112 | brsh noprintpc | |
113 | ||
114 | printnewline | |
115 | printstring "PC=" | |
116 | movw temp,z_pcl | |
80e1fa71 | 117 | lcall printhexw |
fa9059af L |
118 | printstring " " |
119 | noprintpc: | |
120 | .endif | |
121 | ||
fa9059af L |
122 | ;TODO: hier kommt die Interruptbehandlung rein |
123 | ||
bca3519f | 124 | cpse intstat,_0 ; 2 Fast path if no trace, int, break, ... |
fa9059af L |
125 | rjmp int_test |
126 | ||
80e1fa71 | 127 | int_instr: |
bca3519f L |
128 | mem_read_ds zl,z_pc ;11 zl = memReadByte(z_pc) |
129 | adiw z_pcl,1 ; 2 ++z_pc | |
130 | ldi zh,high(opcjmp) ; 1 | |
131 | icall ; 3 (+4 ret) | |
132 | rjmp main ; 2 | |
133 | ; / 25 cycles minimum (NOP) | |
fa9059af | 134 | int_test: |
80e1fa71 L |
135 | sbrs intstat,i_trace |
136 | rjmp int_notrace | |
a03be84a | 137 | sbrc intstat,i_halt |
825ecc9d | 138 | rjmp int_notrace |
80e1fa71 L |
139 | cpi z_pch,DBG_TRACE_BOTTOM |
140 | brlo int_notrace | |
141 | cpi z_pch,DBG_TRACE_TOP | |
142 | brsh int_notrace | |
143 | lcall printregs | |
144 | int_notrace: | |
fa9059af | 145 | sbrs intstat,i_break |
80e1fa71 L |
146 | rjmp int_nobreak |
147 | cbr intstat,(1<<i_break)|(1<<i_halt) | |
fa9059af L |
148 | printnewline |
149 | printstring "Break detected! " | |
150 | mov z_pcl,_0 | |
151 | mov z_pch,_0 | |
80e1fa71 L |
152 | int_nobreak: |
153 | ||
fb050095 | 154 | rjmp int_instr ;Continue with normal instruction interpretation |
fa9059af | 155 | |
fa9059af L |
156 | |
157 | ;-------------------------------------------------- | |
4bd49b80 | 158 | ; init opcode table |
fa9059af | 159 | ; |
623dd899 | 160 | ; opctable opc_name, pos |
fa9059af | 161 | ; |
e7a0f403 | 162 | |
fa9059af L |
163 | .macro opctable |
164 | ||
623dd899 L |
165 | |
166 | .set opcjmp_table_pos_ = (@1 + 255) & -0x100 ;0xff00 | |
167 | ||
fa9059af | 168 | .ifndef opc_tabnext_ |
623dd899 L |
169 | .set opc_tabnext_ = opcjmp_table_pos_ |
170 | ||
171 | .set opc_tablow_0 = 0 | |
172 | .set opc_tablen_0 = 0 | |
173 | .set opc_tablow_1 = 0 | |
174 | .set opc_tablen_1 = 0 | |
175 | .endif | |
176 | ||
177 | .if opcjmp_table_pos_ < opc_tabnext_ | |
178 | .set opcjmp_table_pos_ = opc_tabnext_ | |
fa9059af L |
179 | .endif |
180 | ||
623dd899 L |
181 | .if opc_tablow_0 == 0 |
182 | .set opc_tablow_0 = opcjmp_table_pos_ | |
183 | .set opc_tablen_0 = 256 | |
184 | ;.message "add tab_0" | |
185 | .elif opc_tablow_1 == 0 | |
186 | .if (opc_tablow_0 + opc_tablen_0) == opcjmp_table_pos_ | |
187 | .set opc_tablen_0 = opc_tablen_0 + 256 | |
188 | ;.message " tab_0++" | |
189 | .else | |
190 | .set opc_tablow_1 = opcjmp_table_pos_ | |
191 | .set opc_tablen_1 = 256 | |
192 | ;.message "add tab_1" | |
193 | .endif | |
4bd49b80 | 194 | .else |
623dd899 L |
195 | .if (opc_tablow_1 + opc_tablen_1) == opcjmp_table_pos_ |
196 | .set opc_tablen_1 = opc_tablen_1 + 256 | |
197 | ;.message "tab_1++" | |
198 | .else | |
199 | .error "Tab full_" | |
200 | .endif | |
201 | .endif | |
fa9059af | 202 | |
623dd899 | 203 | .set opc_tabnext_ = opcjmp_table_pos_ + 256 |
fa9059af L |
204 | .equ @0 = opcjmp_table_pos_ |
205 | ||
623dd899 | 206 | .endm |
e7a0f403 | 207 | |
623dd899 | 208 | ;-------------------------------------------------- |
4bd49b80 | 209 | ; |
623dd899 L |
210 | ; checkspace frompos, size |
211 | ; | |
212 | .macro checkspace | |
213 | ||
214 | .ifdef opc_tablow_0 | |
215 | .if @0 <= opc_tablow_0 | |
216 | .if (@0 + @1) > opc_tablow_0 | |
217 | .org opc_tablow_0 + opc_tablen_0 | |
218 | ; .message "skip tab, remove tab_0" | |
219 | .if opc_tablow_1 == 0 | |
220 | .set opc_tablow_0 = 0 | |
221 | .set opc_tablen_0 = 0 | |
222 | .else | |
223 | .set opc_tablow_0 = opc_tablow_1 | |
224 | .set opc_tablen_0 = opc_tablen_1 | |
225 | .set opc_tablow_1 = 0 | |
226 | .set opc_tablen_1 = 0 | |
227 | ; .message "remove tab_1" | |
228 | .endif | |
229 | .endif | |
230 | .endif | |
231 | .endif | |
fa9059af L |
232 | .endm |
233 | ||
fa9059af L |
234 | ;-------------------------------------------------- |
235 | ; Generate a table entry for one instruction | |
236 | ; | |
237 | ; instr fetch, op, store | |
238 | ; | |
4bd49b80 | 239 | .macro instr |
fa9059af | 240 | |
2217c855 L |
241 | .set fetch_ = (do_@0 != do_fetch_nop) ; must call or jump to fetch action |
242 | .set op_ = (do_@1 != do_op_nop) ; must call or jump to op action | |
243 | .set store_ = (do_@2 != do_store_nop) ; must jump to store action | |
244 | .set cnt_ = fetch_ + op_ + store_ ; number of actions for this instruction | |
245 | ||
2217c855 | 246 | |
623dd899 L |
247 | .set done_ = 0 |
248 | .set pc_save_ = PC | |
249 | ||
250 | .if cnt_ == 0 ; nothing to do (nop) | |
251 | .org opcjmp_table_pos_ | |
252 | ret ; go back to main | |
253 | .org pc_save_ | |
254 | .set done_ = 1 | |
255 | .elif cnt_ == 1 ; jump direct to action | |
2217c855 L |
256 | .if fetch_ |
257 | .set action_1_ = do_@0 | |
258 | .elif op_ | |
259 | .set action_1_ = do_@1 | |
260 | .else | |
261 | .set action_1_ = do_@2 | |
262 | .endif | |
623dd899 L |
263 | .if (opcjmp_table_pos_ - action_1_) <= 2047 |
264 | .org opcjmp_table_pos_ | |
2217c855 | 265 | rjmp action_1_ ; do op and return to main |
623dd899 L |
266 | .org pc_save_ |
267 | .set done_ = 1 | |
2217c855 | 268 | .endif |
e7a0f403 L |
269 | .endif |
270 | ||
623dd899 | 271 | .if !done_ |
2217c855 | 272 | |
2217c855 | 273 | .if defined (l_@0_@1_@2) |
e7a0f403 | 274 | |
623dd899 L |
275 | .if (opcjmp_table_pos_ - l_@0_@1_@2) <= 2047 |
276 | .org opcjmp_table_pos_ | |
277 | rjmp l_@0_@1_@2 ; generate a jump to action table | |
278 | .org pc_save_ | |
279 | .else | |
280 | checkspace pc_save_, 2 | |
281 | .set pc_save_ = PC | |
282 | .org opcjmp_table_pos_ | |
283 | rjmp pc_save_ | |
284 | .org pc_save_ | |
e7a0f403 | 285 | jmp l_@0_@1_@2 |
e7a0f403 | 286 | .endif |
fa9059af | 287 | |
623dd899 L |
288 | .else |
289 | ||
290 | checkspace pc_save_, 2*cnt_ | |
291 | .set pc_save_ = PC | |
e7a0f403 | 292 | |
623dd899 L |
293 | .org opcjmp_table_pos_ |
294 | .equ l_@0_@1_@2 = pc_save_ ; make a label | |
e7a0f403 L |
295 | rjmp l_@0_@1_@2 ; generate a jump to action table |
296 | ||
297 | .org l_@0_@1_@2 | |
fa9059af L |
298 | |
299 | .if fetch_ ; must fetch | |
4bd49b80 | 300 | .if op_ || store_ |
e7a0f403 L |
301 | .if do_@0 == 0 |
302 | m_do_@0 | |
303 | .else | |
304 | lcall do_@0 ; fetch and come back here | |
305 | .endif | |
306 | .else | |
307 | .if do_@0 == 0 | |
308 | m_do_@0 | |
309 | ret | |
310 | .else | |
311 | ljmp do_@0 ; do op and return to main | |
312 | .endif | |
fa9059af L |
313 | .endif |
314 | .endif | |
315 | .if op_ ; must exec op | |
316 | .if store_ | |
e7a0f403 L |
317 | .if do_@1 == 0 |
318 | m_do_@1 | |
319 | .else | |
320 | lcall do_@1 ; fetch and come back here | |
321 | .endif | |
fa9059af | 322 | .else |
e7a0f403 L |
323 | .if do_@1 == 0 |
324 | m_do_@1 | |
325 | ret | |
326 | .else | |
327 | ljmp do_@1 ; do op and return to main | |
328 | .endif | |
fa9059af L |
329 | .endif |
330 | .endif | |
e7a0f403 L |
331 | .if store_ ; must store |
332 | .if do_@2 == 0 | |
333 | m_do_@2 | |
334 | ret | |
335 | .else | |
336 | ljmp do_@2 ; store is allways last | |
337 | .endif | |
4bd49b80 | 338 | .endif |
e7a0f403 | 339 | |
fa9059af L |
340 | .endif |
341 | .endif | |
342 | ||
623dd899 | 343 | .set opcjmp_table_pos_ = opcjmp_table_pos_ + 1 |
fa9059af L |
344 | |
345 | .endm | |
346 | ||
e7a0f403 L |
347 | |
348 | do_x_nop: | |
349 | ret | |
350 | ||
fa9059af L |
351 | ; ------------ Fetch phase stuff ----------------- |
352 | ||
623dd899 | 353 | |
fa9059af | 354 | fetch_ops: |
e7a0f403 L |
355 | .equ do_fetch_nop = do_x_nop |
356 | ||
623dd899 L |
357 | do_fetch_rst: |
358 | movw x,z_pcl | |
359 | sbiw x,1 | |
360 | mem_read_d opl | |
361 | andi opl,0x38 | |
362 | ldi oph,0 | |
363 | ret | |
fa9059af | 364 | |
e7a0f403 | 365 | .macro m_do_fetch_a |
fa9059af | 366 | mov opl,z_a |
e7a0f403 | 367 | .endm |
fa9059af | 368 | |
e7a0f403 L |
369 | .equ do_fetch_a = 0 |
370 | ; mov opl,z_a | |
371 | ; ret | |
fa9059af | 372 | |
e7a0f403 | 373 | .macro m_do_fetch_b |
825ecc9d | 374 | mov opl,z_b |
e7a0f403 | 375 | .endm |
fa9059af | 376 | |
e7a0f403 | 377 | .equ do_fetch_b = 0 |
825ecc9d | 378 | ; mov opl,z_b |
e7a0f403 L |
379 | ; ldd opl,y+oz_b |
380 | ; ret | |
fa9059af | 381 | |
e7a0f403 | 382 | .macro m_do_fetch_c |
825ecc9d | 383 | mov opl,z_c |
e7a0f403 | 384 | .endm |
fa9059af | 385 | |
e7a0f403 | 386 | .equ do_fetch_c = 0 |
825ecc9d | 387 | ; mov opl,z_c |
e7a0f403 L |
388 | ; ldd opl,y+oz_c |
389 | ; ret | |
fa9059af | 390 | |
e7a0f403 | 391 | .macro m_do_fetch_d |
825ecc9d | 392 | mov opl,z_d |
e7a0f403 L |
393 | .endm |
394 | ||
395 | .equ do_fetch_d = 0 | |
396 | ; ldd opl,y+oz_d | |
397 | ; ret | |
398 | ||
399 | .macro m_do_fetch_e | |
825ecc9d | 400 | mov opl,z_e |
e7a0f403 L |
401 | .endm |
402 | ||
403 | .equ do_fetch_e = 0 | |
404 | ; ldd opl,y+oz_e | |
405 | ; ret | |
406 | ||
407 | .macro m_do_fetch_h | |
825ecc9d | 408 | mov opl,z_h |
e7a0f403 L |
409 | .endm |
410 | ||
411 | .equ do_fetch_h = 0 | |
825ecc9d | 412 | ; mov opl,z_h |
e7a0f403 L |
413 | ; ret |
414 | ||
415 | .macro m_do_fetch_l | |
825ecc9d | 416 | mov opl,z_l |
e7a0f403 L |
417 | .endm |
418 | ||
419 | .equ do_fetch_l = 0 | |
825ecc9d | 420 | ; mov opl,z_l |
e7a0f403 | 421 | ; ret |
fa9059af | 422 | |
e8384f88 | 423 | .macro m_do_fetch_af |
825ecc9d | 424 | movw opl,z_flags |
e8384f88 L |
425 | .endm |
426 | ||
427 | .equ do_fetch_af = 0 | |
428 | ; movw opl,z_flags | |
429 | ; ret | |
fa9059af | 430 | |
825ecc9d L |
431 | .macro m_do_fetch_bc |
432 | movw opl,z_c | |
433 | .endm | |
fa9059af | 434 | |
825ecc9d L |
435 | .equ do_fetch_bc = 0 |
436 | ; movw opl,z_c | |
437 | ; ret | |
438 | ||
439 | .macro m_do_fetch_de | |
440 | movw opl,z_e | |
441 | .endm | |
fa9059af | 442 | |
825ecc9d | 443 | .equ do_fetch_de = 0 |
e8384f88 L |
444 | ; movw opl,z_e |
445 | ; ret | |
fa9059af | 446 | |
825ecc9d L |
447 | .macro m_do_fetch_hl |
448 | movw opl,z_l | |
449 | .endm | |
450 | ||
451 | .equ do_fetch_hl = 0 | |
452 | ; movw opl,z_l | |
453 | ; ret | |
454 | ||
e7a0f403 | 455 | .macro m_do_fetch_sp |
fa9059af | 456 | movw opl,z_spl |
e7a0f403 L |
457 | .endm |
458 | ||
459 | .equ do_fetch_sp = 0 | |
460 | ; movw opl,z_spl | |
461 | ; ret | |
fa9059af L |
462 | |
463 | do_fetch_mbc: | |
bca3519f L |
464 | ; movw x,z_c |
465 | mem_read_ds z_a, z_bc | |
fa9059af L |
466 | ret |
467 | ||
468 | do_fetch_mde: | |
bca3519f L |
469 | ; movw x,z_e |
470 | mem_read_ds z_a, z_de | |
fa9059af L |
471 | ret |
472 | ||
473 | do_fetch_mhl: | |
bca3519f L |
474 | ; movw x,z_l |
475 | mem_read_ds opl, z_hl | |
fa9059af L |
476 | ret |
477 | ||
478 | do_fetch_msp: | |
479 | movw x,z_spl | |
480 | mem_read_d opl | |
481 | adiw x,1 | |
482 | mem_read_d oph | |
483 | ret | |
484 | ||
485 | do_fetch_dir8: | |
486 | mem_read_ds opl, z_pc | |
487 | adiw z_pcl,1 | |
488 | ret | |
489 | ||
490 | do_fetch_dir16: | |
491 | mem_read_ds opl, z_pc | |
492 | adiw z_pcl,1 | |
493 | mem_read_ds oph, z_pc | |
494 | adiw z_pcl,1 | |
495 | ret | |
496 | ||
fa9059af L |
497 | ; ------------ Store phase stuff ----------------- |
498 | ||
fa9059af | 499 | store_ops: |
e7a0f403 L |
500 | .equ do_store_nop = do_x_nop |
501 | ||
4bd49b80 | 502 | |
fa9059af L |
503 | do_store_a: |
504 | mov z_a,opl | |
505 | ret | |
506 | ||
4bd49b80 | 507 | ;.macro m_do_store_b |
e7a0f403 L |
508 | ; std y+oz_b,opl |
509 | ;.endm | |
510 | ;.equ do_store_b = 0 | |
fa9059af | 511 | do_store_b: |
825ecc9d | 512 | mov z_b,opl |
fa9059af L |
513 | ret |
514 | ||
515 | do_store_c: | |
825ecc9d | 516 | mov z_c,opl |
fa9059af L |
517 | ret |
518 | ||
519 | do_store_d: | |
825ecc9d | 520 | mov z_d,opl |
fa9059af L |
521 | ret |
522 | ||
523 | do_store_e: | |
825ecc9d | 524 | mov z_e,opl |
fa9059af L |
525 | ret |
526 | ||
527 | do_store_h: | |
825ecc9d | 528 | mov z_h,opl |
fa9059af L |
529 | ret |
530 | ||
531 | do_store_l: | |
825ecc9d | 532 | mov z_l,opl |
fa9059af L |
533 | ret |
534 | ||
535 | do_store_af: | |
825ecc9d | 536 | movw z_flags,opl |
fa9059af L |
537 | ret |
538 | ||
539 | do_store_bc: | |
825ecc9d | 540 | movw z_c,opl |
fa9059af L |
541 | ret |
542 | ||
543 | do_store_de: | |
825ecc9d L |
544 | movw z_e,opl |
545 | ; std y+oz_d,oph | |
546 | ; std y+oz_e,opl | |
fa9059af L |
547 | ret |
548 | ||
549 | do_store_hl: | |
825ecc9d | 550 | movw z_l,opl |
fa9059af L |
551 | ret |
552 | ||
553 | do_store_mbc: | |
bca3519f L |
554 | ; movw x,z_c |
555 | mem_write_ds z_bc, z_a | |
fa9059af L |
556 | ret |
557 | ||
558 | do_store_mde: | |
bca3519f L |
559 | ; movw x,z_e |
560 | mem_write_ds z_de, z_a | |
fa9059af L |
561 | ret |
562 | ||
563 | do_store_mhl: | |
bca3519f L |
564 | ; movw x,z_l |
565 | mem_write_ds z_hl, opl | |
fa9059af L |
566 | ret |
567 | ||
568 | do_store_msp: | |
569 | movw xl,z_spl | |
570 | mem_write_s opl | |
571 | adiw xl,1 | |
572 | mem_write_s oph | |
573 | ret | |
574 | ||
575 | do_store_sp: | |
576 | movw z_spl,opl | |
577 | ret | |
578 | ||
579 | do_store_pc: | |
580 | movw z_pcl,opl | |
581 | ret | |
582 | ||
80e1fa71 | 583 | do_store_pcrel: ;add displacement to PC |
096f3a91 | 584 | #if EM_Z80 |
12a27f27 L |
585 | mov oph,opl ;sign extend |
586 | lsl oph | |
587 | sbc oph,oph | |
80e1fa71 L |
588 | add z_pcl,opl |
589 | adc z_pch,oph | |
590 | ret | |
096f3a91 L |
591 | #else |
592 | rjmp do_op_inv | |
593 | #endif | |
80e1fa71 | 594 | |
fa9059af L |
595 | do_store_ret: |
596 | movw x,z_spl | |
597 | mem_read_d z_pcl | |
598 | adiw x,1 | |
599 | mem_read_d z_pch | |
600 | adiw x,1 | |
601 | movw z_spl,x | |
602 | ||
603 | .if STACK_DBG | |
604 | printnewline | |
605 | printstring "Stack pop " | |
606 | movw temp,z_pcl | |
607 | rcall printhexw | |
608 | printstring ", SP is now " | |
609 | movw temp,z_spl | |
610 | rcall printhexw | |
611 | printstring ". " | |
612 | .endif | |
613 | ret | |
614 | ||
615 | do_store_call: | |
616 | movw xl,z_spl | |
617 | sbiw x,1 | |
618 | mem_write_s z_pch | |
619 | sbiw x,1 | |
620 | mem_write_s z_pcl | |
621 | movw z_spl,xl | |
622 | ||
623 | .if STACK_DBG | |
624 | printnewline | |
625 | printstring "Stack push " | |
626 | movw temp,z_pcl | |
627 | rcall printhexw | |
628 | printstring ", SP is now " | |
629 | movw temp,z_spl | |
630 | rcall printhexw | |
631 | printstring ". " | |
632 | .endif | |
633 | movw z_pcl,opl | |
634 | ret | |
635 | ||
636 | ||
637 | do_store_am: | |
638 | mem_write_ds op, z_a | |
639 | ret | |
640 | ||
fa9059af L |
641 | ; ------------ Operation phase stuff ----------------- |
642 | ||
643 | ;---------------------------------------------------------------- | |
644 | ;| | | |
645 | ;| Zilog | | |
646 | ;| | | |
647 | ;| ZZZZZZZ 88888 000 | | |
648 | ;| Z 8 8 0 0 | | |
649 | ;| Z 8 8 0 0 0 | | |
650 | ;| Z 88888 0 0 0 | | |
651 | ;| Z 8 8 0 0 0 | | |
652 | ;| Z 8 8 0 0 | | |
653 | ;| ZZZZZZZ 88888 000 | | |
654 | ;| | | |
655 | ;| Z80 MICROPROCESSOR Instruction Set Summary | | |
656 | ;| | | |
657 | ;---------------------------------------------------------------- | |
658 | ;---------------------------------------------------------------- | |
659 | ;|Mnemonic |SZHPNC|Description |Notes | | |
660 | ;|----------+------+---------------------+----------------------| | |
661 | ;|ADC A,s |***V0*|Add with Carry |A=A+s+CY | | |
662 | ;|ADC HL,ss |**?V0*|Add with Carry |HL=HL+ss+CY | | |
663 | ;|ADD A,s |***V0*|Add |A=A+s | | |
80e1fa71 L |
664 | ;|ADD HL,ss |--*-0*|Add |HL=HL+ss | |
665 | ;|ADD IX,pp |--*-0*|Add |IX=IX+pp | | |
666 | ;|ADD IY,rr |--*-0*|Add |IY=IY+rr | | |
fa9059af L |
667 | ;|AND s |**1P00|Logical AND |A=A&s | |
668 | ;|BIT b,m |?*1?0-|Test Bit |m&{2^b} | | |
669 | ;|CALL cc,nn|------|Conditional Call |If cc CALL | | |
670 | ;|CALL nn |------|Unconditional Call |-[SP]=PC,PC=nn | | |
671 | ;|CCF |--?-0*|Complement Carry Flag|CY=~CY | | |
672 | ;|CP s |***V1*|Compare |A-s | | |
673 | ;|CPD |****1-|Compare and Decrement|A-[HL],HL=HL-1,BC=BC-1| | |
674 | ;|CPDR |****1-|Compare, Dec., Repeat|CPD till A=[HL]or BC=0| | |
675 | ;|CPI |****1-|Compare and Increment|A-[HL],HL=HL+1,BC=BC-1| | |
676 | ;|CPIR |****1-|Compare, Inc., Repeat|CPI till A=[HL]or BC=0| | |
677 | ;|CPL |--1-1-|Complement |A=~A | | |
678 | ;|DAA |***P-*|Decimal Adjust Acc. |A=BCD format | | |
679 | ;|DEC s |***V1-|Decrement |s=s-1 | | |
680 | ;|DEC xx |------|Decrement |xx=xx-1 | | |
681 | ;|DEC ss |------|Decrement |ss=ss-1 | | |
4c92af0d | 682 | ;|DI |------|Disable Interrupts |IFF1 = IFF2 = 0 | |
fa9059af | 683 | ;|DJNZ e |------|Dec., Jump Non-Zero |B=B-1 till B=0 | |
4c92af0d | 684 | ;|EI |------|Enable Interrupts |IFF1 = IFF2 = 1 | |
fa9059af L |
685 | ;|EX [SP],HL|------|Exchange |[SP]<->HL | |
686 | ;|EX [SP],xx|------|Exchange |[SP]<->xx | | |
687 | ;|EX AF,AF' |------|Exchange |AF<->AF' | | |
688 | ;|EX DE,HL |------|Exchange |DE<->HL | | |
689 | ;|EXX |------|Exchange |qq<->qq' (except AF)| | |
690 | ;|HALT |------|Halt | | | |
691 | ;|IM n |------|Interrupt Mode | (n=0,1,2)| | |
692 | ;|IN A,[n] |------|Input |A=[n] | | |
693 | ;|IN r,[C] |***P0-|Input |r=[C] | | |
694 | ;|INC r |***V0-|Increment |r=r+1 | | |
695 | ;|INC [HL] |***V0-|Increment |[HL]=[HL]+1 | | |
696 | ;|INC xx |------|Increment |xx=xx+1 | | |
697 | ;|INC [xx+d]|***V0-|Increment |[xx+d]=[xx+d]+1 | | |
698 | ;|INC ss |------|Increment |ss=ss+1 | | |
699 | ;|IND |?*??1-|Input and Decrement |[HL]=[C],HL=HL-1,B=B-1| | |
700 | ;|INDR |?1??1-|Input, Dec., Repeat |IND till B=0 | | |
701 | ;|INI |?*??1-|Input and Increment |[HL]=[C],HL=HL+1,B=B-1| | |
702 | ;|INIR |?1??1-|Input, Inc., Repeat |INI till B=0 | | |
703 | ;|JP [HL] |------|Unconditional Jump |PC=[HL] | | |
704 | ;|JP [xx] |------|Unconditional Jump |PC=[xx] | | |
705 | ;|JP nn |------|Unconditional Jump |PC=nn | | |
706 | ;|JP cc,nn |------|Conditional Jump |If cc JP | | |
707 | ;|JR e |------|Unconditional Jump |PC=PC+e | | |
708 | ;|JR cc,e |------|Conditional Jump |If cc JR(cc=C,NC,NZ,Z)| | |
709 | ;|LD dst,src|------|Load |dst=src | | |
710 | ;|LD A,i |**0*0-|Load |A=i (i=I,R)| | |
711 | ;|LDD |--0*0-|Load and Decrement |[DE]=[HL],HL=HL-1,# | | |
712 | ;|LDDR |--000-|Load, Dec., Repeat |LDD till BC=0 | | |
713 | ;|LDI |--0*0-|Load and Increment |[DE]=[HL],HL=HL+1,# | | |
714 | ;|LDIR |--000-|Load, Inc., Repeat |LDI till BC=0 | | |
715 | ;|NEG |***V1*|Negate |A=-A | | |
716 | ;|NOP |------|No Operation | | | |
717 | ;|OR s |**0P00|Logical inclusive OR |A=Avs | | |
718 | ;|OTDR |?1??1-|Output, Dec., Repeat |OUTD till B=0 | | |
719 | ;|OTIR |?1??1-|Output, Inc., Repeat |OUTI till B=0 | | |
720 | ;|OUT [C],r |------|Output |[C]=r | | |
721 | ;|OUT [n],A |------|Output |[n]=A | | |
722 | ;|OUTD |?*??1-|Output and Decrement |[C]=[HL],HL=HL-1,B=B-1| | |
723 | ;|OUTI |?*??1-|Output and Increment |[C]=[HL],HL=HL+1,B=B-1| | |
724 | ;|POP xx |------|Pop |xx=[SP]+ | | |
725 | ;|POP qq |------|Pop |qq=[SP]+ | | |
726 | ;|PUSH xx |------|Push |-[SP]=xx | | |
727 | ;|PUSH qq |------|Push |-[SP]=qq | | |
728 | ;|RES b,m |------|Reset bit |m=m&{~2^b} | | |
729 | ;|RET |------|Return |PC=[SP]+ | | |
730 | ;|RET cc |------|Conditional Return |If cc RET | | |
731 | ;|RETI |------|Return from Interrupt|PC=[SP]+ | | |
732 | ;|RETN |------|Return from NMI |PC=[SP]+ | | |
733 | ;|RL m |**0P0*|Rotate Left |m={CY,m}<- | | |
734 | ;|RLA |--0-0*|Rotate Left Acc. |A={CY,A}<- | | |
735 | ;|RLC m |**0P0*|Rotate Left Circular |m=m<- | | |
736 | ;|RLCA |--0-0*|Rotate Left Circular |A=A<- | | |
737 | ;|RLD |**0P0-|Rotate Left 4 bits |{A,[HL]}={A,[HL]}<- ##| | |
738 | ;|RR m |**0P0*|Rotate Right |m=->{CY,m} | | |
739 | ;|RRA |--0-0*|Rotate Right Acc. |A=->{CY,A} | | |
740 | ;|RRC m |**0P0*|Rotate Right Circular|m=->m | | |
741 | ;|RRCA |--0-0*|Rotate Right Circular|A=->A | | |
742 | ;|RRD |**0P0-|Rotate Right 4 bits |{A,[HL]}=->{A,[HL]} ##| | |
743 | ;|RST p |------|Restart | (p=0H,8H,10H,...,38H)| | |
744 | ;|SBC A,s |***V1*|Subtract with Carry |A=A-s-CY | | |
80e1fa71 | 745 | ;|SBC HL,ss |***V1*|Subtract with Carry |HL=HL-ss-CY | |
fa9059af L |
746 | ;|SCF |--0-01|Set Carry Flag |CY=1 | |
747 | ;|SET b,m |------|Set bit |m=mv{2^b} | | |
748 | ;|SLA m |**0P0*|Shift Left Arithmetic|m=m*2 | | |
749 | ;|SRA m |**0P0*|Shift Right Arith. |m=m/2 | | |
750 | ;|SRL m |**0P0*|Shift Right Logical |m=->{0,m,CY} | | |
751 | ;|SUB s |***V1*|Subtract |A=A-s | | |
752 | ;|XOR s |**0P00|Logical Exclusive OR |A=Axs | | |
753 | ;|----------+------+--------------------------------------------| | |
754 | ;| F |-*01? |Flag unaffected/affected/reset/set/unknown | | |
755 | ;| S |S |Sign flag (Bit 7) | | |
756 | ;| Z | Z |Zero flag (Bit 6) | | |
757 | ;| HC | H |Half Carry flag (Bit 4) | | |
758 | ;| P/V | P |Parity/Overflow flag (Bit 2, V=overflow) | | |
759 | ;| N | N |Add/Subtract flag (Bit 1) | | |
760 | ;| CY | C|Carry flag (Bit 0) | | |
761 | ;|-----------------+--------------------------------------------| | |
762 | ;| n |Immediate addressing | | |
763 | ;| nn |Immediate extended addressing | | |
764 | ;| e |Relative addressing (PC=PC+2+offset) | | |
765 | ;| [nn] |Extended addressing | | |
766 | ;| [xx+d] |Indexed addressing | | |
767 | ;| r |Register addressing | | |
768 | ;| [rr] |Register indirect addressing | | |
769 | ;| |Implied addressing | | |
770 | ;| b |Bit addressing | | |
771 | ;| p |Modified page zero addressing (see RST) | | |
772 | ;|-----------------+--------------------------------------------| | |
773 | ;|DEFB n(,...) |Define Byte(s) | | |
774 | ;|DEFB 'str'(,...) |Define Byte ASCII string(s) | | |
775 | ;|DEFS nn |Define Storage Block | | |
776 | ;|DEFW nn(,...) |Define Word(s) | | |
777 | ;|-----------------+--------------------------------------------| | |
778 | ;| A B C D E |Registers (8-bit) | | |
779 | ;| AF BC DE HL |Register pairs (16-bit) | | |
780 | ;| F |Flag register (8-bit) | | |
781 | ;| I |Interrupt page address register (8-bit) | | |
782 | ;| IX IY |Index registers (16-bit) | | |
783 | ;| PC |Program Counter register (16-bit) | | |
784 | ;| R |Memory Refresh register | | |
785 | ;| SP |Stack Pointer register (16-bit) | | |
786 | ;|-----------------+--------------------------------------------| | |
787 | ;| b |One bit (0 to 7) | | |
788 | ;| cc |Condition (C,M,NC,NZ,P,PE,PO,Z) | | |
789 | ;| d |One-byte expression (-128 to +127) | | |
790 | ;| dst |Destination s, ss, [BC], [DE], [HL], [nn] | | |
791 | ;| e |One-byte expression (-126 to +129) | | |
792 | ;| m |Any register r, [HL] or [xx+d] | | |
793 | ;| n |One-byte expression (0 to 255) | | |
794 | ;| nn |Two-byte expression (0 to 65535) | | |
795 | ;| pp |Register pair BC, DE, IX or SP | | |
796 | ;| qq |Register pair AF, BC, DE or HL | | |
797 | ;| qq' |Alternative register pair AF, BC, DE or HL | | |
798 | ;| r |Register A, B, C, D, E, H or L | | |
799 | ;| rr |Register pair BC, DE, IY or SP | | |
800 | ;| s |Any register r, value n, [HL] or [xx+d] | | |
801 | ;| src |Source s, ss, [BC], [DE], [HL], nn, [nn] | | |
802 | ;| ss |Register pair BC, DE, HL or SP | | |
803 | ;| xx |Index register IX or IY | | |
804 | ;|-----------------+--------------------------------------------| | |
805 | ;| + - * / ^ |Add/subtract/multiply/divide/exponent | | |
806 | ;| & ~ v x |Logical AND/NOT/inclusive OR/exclusive OR | | |
807 | ;| <- -> |Rotate left/right | | |
808 | ;| [ ] |Indirect addressing | | |
809 | ;| [ ]+ -[ ] |Indirect addressing auto-increment/decrement| | |
810 | ;| { } |Combination of operands | | |
811 | ;| # |Also BC=BC-1,DE=DE-1 | | |
812 | ;| ## |Only lower 4 bits of accumulator A used | | |
813 | ;---------------------------------------------------------------- | |
814 | ||
815 | ;How the flags are supposed to work: | |
816 | ;7 ZFL_S - Sign flag (=MSBit of result) | |
817 | ;6 ZFL_Z - Zero flag. Is 1 when the result is 0 | |
818 | ;4 ZFL_H - Half-carry (carry from bit 3 to 4) | |
819 | ;2 ZFL_P - Parity/2-complement Overflow | |
820 | ;1 ZFL_N - Subtract - set if last op was a subtract | |
821 | ;0 ZFL_C - Carry | |
822 | ; | |
823 | ;I sure hope I got the mapping between flags and instructions correct... | |
824 | ||
825 | .equ ZFL_S = 7 | |
826 | .equ ZFL_Z = 6 | |
827 | .equ ZFL_H = 4 | |
828 | .equ ZFL_P = 2 | |
829 | .equ ZFL_N = 1 | |
830 | .equ ZFL_C = 0 | |
831 | ||
832 | .equ AVR_T = SREG_T | |
833 | .equ AVR_H = SREG_H | |
834 | .equ AVR_S = SREG_S | |
835 | .equ AVR_V = SREG_V | |
836 | .equ AVR_N = SREG_N | |
837 | .equ AVR_Z = SREG_Z | |
838 | .equ AVR_C = SREG_C | |
839 | ||
840 | ; TODO: check Z80 flag settings | |
841 | ||
842 | ;------------------------------------------------; | |
843 | ; Load table value from flash indexed by source reg. | |
844 | ; | |
845 | ; ldpmx dstreg,tablebase,indexreg | |
846 | ; | |
096f3a91 | 847 | ; (3 words, 5 cycles) |
fa9059af L |
848 | |
849 | .macro ldpmx | |
850 | ldi zh,high(@1*2) ; table must be page aligned | |
4bd49b80 L |
851 | mov zl,@2 |
852 | lpm @0,z | |
fa9059af L |
853 | .endm |
854 | ||
855 | .macro do_z80_flags_V | |
856 | #if EM_Z80 | |
857 | bmov z_flags, ZFL_P, temp, AVR_V | |
858 | #endif | |
859 | .endm | |
860 | ||
80e1fa71 L |
861 | .macro do_z80_flags_H |
862 | #if EM_Z80 | |
863 | bmov z_flags, ZFL_H, temp, AVR_H | |
864 | #endif | |
865 | .endm | |
866 | ||
fa9059af L |
867 | .macro do_z80_flags_set_N |
868 | #if EM_Z80 | |
869 | ori z_flags, (1<<ZFL_N) ; Negation auf 1 | |
870 | #endif | |
871 | .endm | |
872 | ||
873 | .macro do_z80_flags_set_HN | |
874 | #if EM_Z80 | |
875 | ori z_flags,(1<<ZFL_N)|(1<<ZFL_H) | |
876 | #endif | |
877 | .endm | |
878 | ||
879 | .macro do_z80_flags_clear_N | |
880 | #if EM_Z80 | |
881 | andi z_flags,~(1<<ZFL_N) | |
882 | #endif | |
883 | .endm | |
884 | ||
885 | .macro do_z80_flags_clear_HN | |
886 | #if EM_Z80 | |
887 | andi z_flags,~((1<<ZFL_H)|(1<<ZFL_N)) | |
888 | #endif | |
889 | .endm | |
890 | ||
4bd49b80 | 891 | |
fa9059af L |
892 | .macro do_z80_flags_copy_HC |
893 | #if EM_Z80 | |
096f3a91 | 894 | bmov z_flags, ZFL_H, z_flags, ZFL_C |
fa9059af L |
895 | #endif |
896 | .endm | |
897 | ||
898 | .macro do_z80_flags_op_rotate | |
899 | ; must not change avr carry flag! | |
900 | #if EM_Z80 | |
901 | andi z_flags, ~( (1<<ZFL_H) | (1<<ZFL_N) | (1<<ZFL_C) ) | |
902 | #else | |
903 | andi z_flags, ~( (1<<ZFL_C) ) | |
904 | #endif | |
905 | .endm | |
906 | ||
907 | .macro do_z80_flags_op_and | |
908 | #if EM_Z80 | |
909 | ori z_flags,(1<<ZFL_H) | |
910 | #endif | |
911 | .endm | |
912 | ||
913 | .macro do_z80_flags_op_or | |
914 | #if EM_Z80 | |
915 | ;nothing to do | |
916 | #endif | |
917 | .endm | |
918 | ||
919 | ||
920 | ;---------------------------------------------------------------- | |
921 | ||
e7a0f403 L |
922 | .equ do_op_nop = do_x_nop |
923 | ||
fa9059af L |
924 | do_op_inv: |
925 | sbiw z_pcl,1 | |
926 | lcall printregs | |
927 | printstring "Invalid opcode! " | |
928 | ||
929 | haltinv: | |
930 | rjmp haltinv | |
931 | ||
80e1fa71 L |
932 | |
933 | ;---------------------------------------------------------------- | |
934 | ;|Mnemonic |SZHPNC|Description |Notes | | |
935 | ;---------------------------------------------------------------- | |
936 | ;|HALT |------|Halt | | | |
937 | ||
938 | ||
939 | do_op_HALT: | |
940 | sbiw z_pcl,1 | |
941 | sbrc intstat,i_halt | |
942 | ret | |
943 | sbr intstat,(1<<i_halt) | |
944 | lcall printregs | |
945 | printstring "CPU halted! " | |
946 | ret | |
947 | ||
fa9059af L |
948 | ;---------------------------------------------------------------- |
949 | ;|Mnemonic |SZHPNC|Description |Notes | | |
950 | ;---------------------------------------------------------------- | |
951 | ;|OUT [n],A |------|Output |[n]=A | | |
952 | ; | |
953 | ; | |
954 | ;Interface with peripherials goes here :) | |
955 | do_op_outa: ; out (opl),a | |
956 | .if PORT_DEBUG | |
957 | printnewline | |
958 | printstring "Port write: " | |
959 | mov temp,z_a | |
80e1fa71 | 960 | lcall printhex |
fa9059af L |
961 | printstring " -> (" |
962 | mov temp,opl | |
80e1fa71 | 963 | lcall printhex |
fa9059af L |
964 | printstring ") " |
965 | .endif | |
966 | mov temp,z_a | |
967 | mov temp2,opl | |
e7a0f403 | 968 | lcall portWrite |
fa9059af L |
969 | ret |
970 | ||
fa9059af L |
971 | ;---------------------------------------------------------------- |
972 | ;|Mnemonic |SZHPNC|Description |Notes | | |
973 | ;---------------------------------------------------------------- | |
974 | ;|IN A,[n] |------|Input |A=[n] | | |
975 | ; | |
976 | ; | |
80e1fa71 | 977 | do_op_ina: ; in a,(opl) |
fa9059af | 978 | .if PORT_DEBUG |
4bd49b80 | 979 | push opl |
fb050095 L |
980 | cp opl,_0 ; don't debug port 0 (con stat) |
981 | breq dbg_op_ina_1 | |
fa9059af L |
982 | printnewline |
983 | printstring "Port read: (" | |
984 | mov temp,opl | |
80e1fa71 | 985 | lcall printhex |
fa9059af | 986 | printstring ") -> " |
fb050095 | 987 | dbg_op_ina_1: |
fa9059af L |
988 | .endif |
989 | ||
990 | mov temp2,opl | |
991 | lcall portRead | |
80e1fa71 | 992 | mov z_a,temp |
fa9059af L |
993 | |
994 | .if PORT_DEBUG | |
fb050095 L |
995 | pop temp |
996 | cp temp,_0 | |
997 | breq dbg_op_ina_2 | |
80e1fa71 | 998 | lcall printhex |
fa9059af | 999 | printstring " " |
fb050095 | 1000 | dbg_op_ina_2: |
fa9059af L |
1001 | .endif |
1002 | ret | |
1003 | ||
1004 | ;---------------------------------------------------------------- | |
1005 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1006 | ;---------------------------------------------------------------- | |
1007 | ;|INC r |***V0-|Increment |r=r+1 | | |
1008 | ;|INC [HL] |***V0-|Increment |[HL]=[HL]+1 | | |
1009 | ;|INC [xx+d]|***V0-|Increment |[xx+d]=[xx+d]+1 | | |
1010 | ;|----------|SZHP C|---------- 8080 ----------------------------| | |
1011 | ;|INC r |**-P0-|Increment |r=r+1 | | |
1012 | ;|INC [HL] |**-P0-|Increment |[HL]=[HL]+1 | | |
1013 | ; | |
2217c855 | 1014 | |
fa9059af | 1015 | do_op_inc: |
096f3a91 | 1016 | #if EM_Z80 |
825ecc9d L |
1017 | #if 1 |
1018 | andi z_flags,(1<<ZFL_C) ; preserve C-, Clear N-flag | |
1019 | subi opl,-1 | |
1020 | in temp,sreg | |
1021 | sbrc temp,AVR_N | |
1022 | sbr z_flags,(1<<ZFL_S) | |
1023 | sbrc temp,AVR_Z | |
1024 | sbr z_flags,(1<<ZFL_Z) | |
1025 | sbrs temp,AVR_H | |
1026 | sbr z_flags,(1<<ZFL_H) | |
1027 | sbrc temp,AVR_V | |
1028 | sbr z_flags,(1<<ZFL_P) | |
1029 | #else | |
096f3a91 | 1030 | andi z_flags,(1<<ZFL_C) ; preserve C-, Clear N-flag |
fa9059af L |
1031 | ldi temp,1 |
1032 | add opl,temp | |
096f3a91 L |
1033 | in temp,sreg |
1034 | bmov z_flags,ZFL_S, temp,AVR_N | |
1035 | bmov z_flags,ZFL_Z, temp,AVR_Z | |
1036 | bmov z_flags,ZFL_H, temp,AVR_H | |
1037 | bmov z_flags,ZFL_P, temp,AVR_V | |
825ecc9d | 1038 | #endif |
2217c855 | 1039 | #else /* 8080 */ |
096f3a91 L |
1040 | andi z_flags,(1<<ZFL_C)|(1<<ZFL_H) ; preserve C- and H-flag |
1041 | inc opl | |
2217c855 L |
1042 | ldpmx temp,sz53p_tab,opl ;S,Z,P flag |
1043 | or z_flags,temp | |
1044 | #endif | |
fa9059af L |
1045 | ret |
1046 | ||
825ecc9d L |
1047 | #if 0 |
1048 | bst z_flags,ZFL_C ; save C flag | |
1049 | subi opl,-1 | |
1050 | in temp,sreg | |
4bd49b80 | 1051 | ldpmx z_flags,flagmap_tab,temp |
825ecc9d L |
1052 | bld z_flags,ZFL_C |
1053 | ret | |
1054 | #endif | |
1055 | ||
fa9059af | 1056 | do_op_inca: |
096f3a91 L |
1057 | #if EM_Z80 |
1058 | andi z_flags,(1<<ZFL_C) ; preserve C-, Clear N-flag | |
825ecc9d | 1059 | subi z_a,-1 |
096f3a91 L |
1060 | in temp,sreg |
1061 | bmov z_flags,ZFL_S, temp,AVR_N | |
1062 | bmov z_flags,ZFL_Z, temp,AVR_Z | |
825ecc9d L |
1063 | sbrs temp,AVR_H |
1064 | sbr z_flags,(1<<ZFL_H) | |
096f3a91 | 1065 | bmov z_flags,ZFL_P, temp,AVR_V |
2217c855 | 1066 | #else /* 8080 */ |
096f3a91 L |
1067 | andi z_flags,(1<<ZFL_C)|(1<<ZFL_H) ; preserve C- and H-flag |
1068 | inc z_a | |
1069 | ldpmx temp,sz53p_tab,z_a ; S,Z,P flag | |
2217c855 L |
1070 | or z_flags,temp |
1071 | #endif | |
fa9059af L |
1072 | ret |
1073 | ||
1074 | ;---------------------------------------------------------------- | |
1075 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1076 | ;---------------------------------------------------------------- | |
1077 | ;|DEC r |***V1-|Decrement |s=s-1 | | |
825ecc9d L |
1078 | ;|DEC [HL] |***V1-|Increment |[HL]=[HL]-1 | |
1079 | ;|DEC [xx+d]|***V1-|Increment |[xx+d]=[xx+d]-1 | | |
fa9059af | 1080 | ;|----------|SZHP C|---------- 8080 ----------------------------| |
2217c855 L |
1081 | ;|DEC r |**-P -|Increment |r=r-1 | |
1082 | ;|DEC [HL] |**-P -|Increment |[HL]=[HL]-1 | | |
fa9059af | 1083 | ; |
2217c855 | 1084 | |
fa9059af | 1085 | do_op_dec: |
2217c855 L |
1086 | subi opl,1 |
1087 | #if EM_Z80 | |
096f3a91 L |
1088 | in temp,sreg |
1089 | bmov z_flags,ZFL_S, temp,AVR_N | |
1090 | bmov z_flags,ZFL_Z, temp,AVR_Z | |
1091 | bmov z_flags,ZFL_H, temp,AVR_H | |
1092 | bmov z_flags,ZFL_P, temp,AVR_V | |
2217c855 L |
1093 | ori z_flags,(1<<ZFL_N) ; Set N-flag |
1094 | #else /* 8080 */ | |
096f3a91 | 1095 | andi z_flags,(1<<ZFL_C)|(1<<ZFL_H) ; preserve C- and H-flag |
2217c855 L |
1096 | ldpmx temp,sz53p_tab,opl ; S,Z,P flag |
1097 | or z_flags,temp | |
1098 | #endif | |
fa9059af L |
1099 | ret |
1100 | ||
2217c855 | 1101 | |
fa9059af | 1102 | do_op_deca: |
2217c855 | 1103 | #if EM_Z80 |
825ecc9d | 1104 | subi z_a,1 |
096f3a91 L |
1105 | in temp,sreg |
1106 | bmov z_flags,ZFL_S, temp,AVR_N | |
1107 | bmov z_flags,ZFL_Z, temp,AVR_Z | |
1108 | bmov z_flags,ZFL_H, temp,AVR_H | |
1109 | bmov z_flags,ZFL_P, temp,AVR_V | |
2217c855 L |
1110 | ori z_flags,(1<<ZFL_N) ; Set N-flag |
1111 | #else /* 8080 */ | |
096f3a91 L |
1112 | dec z_a |
1113 | andi z_flags,(1<<ZFL_C)|(1<<ZFL_H) ; preserve C- and H-flag | |
1114 | ldpmx temp,sz53p_tab,z_a ; S,Z,P flag | |
2217c855 L |
1115 | or z_flags,temp |
1116 | #endif | |
fa9059af L |
1117 | ret |
1118 | ||
2217c855 | 1119 | |
fa9059af L |
1120 | ;---------------------------------------------------------------- |
1121 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1122 | ;---------------------------------------------------------------- | |
1123 | ;|INC xx |------|Increment |xx=xx+1 | | |
1124 | ;|INC ss |------|Increment |ss=ss+1 | | |
1125 | ; | |
4bd49b80 | 1126 | ; |
fa9059af L |
1127 | do_op_inc16: |
1128 | subi opl,low(-1) | |
1129 | sbci oph,high(-1) | |
1130 | ret | |
1131 | ||
825ecc9d L |
1132 | do_op_incHL: |
1133 | sub z_l,_255 | |
1134 | sbc z_h,_255 | |
1135 | ret | |
1136 | ||
1137 | do_op_incDE: | |
1138 | sub z_e,_255 | |
1139 | sbc z_d,_255 | |
1140 | ret | |
1141 | ||
1142 | do_op_incBC: | |
1143 | sub z_c,_255 | |
1144 | sbc z_b,_255 | |
1145 | ret | |
1146 | ||
fa9059af L |
1147 | ;---------------------------------------------------------------- |
1148 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1149 | ;---------------------------------------------------------------- | |
1150 | ;|DEC xx |------|Decrement |xx=xx-1 | | |
1151 | ;|DEC ss |------|Decrement |ss=ss-1 | | |
1152 | ; | |
4bd49b80 | 1153 | ; |
fa9059af L |
1154 | do_op_dec16: |
1155 | subi opl, 1 | |
1156 | sbci oph, 0 | |
1157 | ret | |
1158 | ||
825ecc9d L |
1159 | do_op_decHL: |
1160 | add z_l,_255 | |
1161 | adc z_h,_255 | |
1162 | ret | |
1163 | ||
1164 | do_op_decDE: | |
1165 | add z_e,_255 | |
1166 | adc z_d,_255 | |
1167 | ret | |
1168 | ||
1169 | do_op_decBC: | |
1170 | add z_c,_255 | |
1171 | adc z_b,_255 | |
1172 | ret | |
1173 | ||
fa9059af L |
1174 | ;---------------------------------------------------------------- |
1175 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1176 | ;---------------------------------------------------------------- | |
1177 | ;|RLCA |--0-0*|Rotate Left Circular |A=A<- | | |
1178 | ;|----------|SZHP C|---------- 8080 ----------------------------| | |
1179 | ;|RLCA |---- *|Rotate Left Circular |A=A<- | | |
1180 | ; | |
1181 | ; | |
1182 | do_op_rlca: | |
4bd49b80 | 1183 | ;Rotate Left Cyclical. All bits move 1 to the |
fa9059af L |
1184 | ;left, the msb becomes c and lsb. |
1185 | do_z80_flags_op_rotate | |
1186 | lsl z_a | |
1187 | brcc do_op_rlc_noc | |
1188 | ldi temp,1 | |
1189 | or z_a,temp | |
1190 | ori z_flags, (1<<ZFL_C) | |
1191 | do_op_rlc_noc: | |
1192 | ret | |
1193 | ||
1194 | ;---------------------------------------------------------------- | |
1195 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1196 | ;---------------------------------------------------------------- | |
1197 | ;|RRCA |--0-0*|Rotate Right Circular|A=->A | | |
1198 | ;|----------|SZHP C|---------- 8080 ----------------------------| | |
1199 | ;|RRCA |---- *|Rotate Right Circular|A=->A | | |
1200 | ; | |
1201 | ; | |
4bd49b80 L |
1202 | do_op_rrca: |
1203 | ;Rotate Right Cyclical. All bits move 1 to the | |
fa9059af L |
1204 | ;right, the lsb becomes c and msb. |
1205 | do_z80_flags_op_rotate | |
1206 | lsr z_a | |
1207 | brcc do_op_rrc_noc | |
1208 | ldi temp,0x80 | |
1209 | or z_a,temp | |
1210 | ori z_flags, (1<<ZFL_C) | |
1211 | do_op_rrc_noc: | |
1212 | ret | |
1213 | ||
1214 | ;---------------------------------------------------------------- | |
1215 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1216 | ;---------------------------------------------------------------- | |
1217 | ;|RRA |--0-0*|Rotate Right Acc. |A=->{CY,A} | | |
1218 | ;|----------|SZHP C|---------- 8080 ----------------------------| | |
1219 | ;|RRA |---- *|Rotate Right Acc. |A=->{CY,A} | | |
1220 | ; | |
4bd49b80 L |
1221 | ; |
1222 | do_op_rra: | |
1223 | ;Rotate Right. All bits move 1 to the right, the lsb | |
fa9059af L |
1224 | ;becomes c, c becomes msb. |
1225 | clc ; get z80 carry to avr carry | |
1226 | sbrc z_flags,ZFL_C | |
1227 | sec | |
1228 | do_z80_flags_op_rotate ; (clear ZFL_C, doesn't change AVR_C) | |
1229 | bmov z_flags,ZFL_C, z_a,0 ; Bit 0 --> CY | |
1230 | ror z_a | |
1231 | ret | |
1232 | ||
1233 | ;---------------------------------------------------------------- | |
1234 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1235 | ;---------------------------------------------------------------- | |
1236 | ;|RLA |--0-0*|Rotate Left Acc. |A={CY,A}<- | | |
1237 | ;|----------|SZHP C|---------- 8080 ----------------------------| | |
1238 | ;|RLA |---- *|Rotate Left Acc. |A={CY,A}<- | | |
1239 | ; | |
4bd49b80 | 1240 | ; |
fa9059af | 1241 | do_op_rla: |
4bd49b80 | 1242 | ;Rotate Left. All bits move 1 to the left, the msb |
fa9059af L |
1243 | ;becomes c, c becomes lsb. |
1244 | clc | |
1245 | sbrc z_flags,ZFL_C | |
1246 | sec | |
1247 | do_z80_flags_op_rotate ; (clear ZFL_C, doesn't change AVR_C) | |
1248 | bmov z_flags,ZFL_C, z_a,7 ; Bit 7 --> CY | |
1249 | rol z_a | |
1250 | ret | |
1251 | ||
1252 | ;---------------------------------------------------------------- | |
1253 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1254 | ;---------------------------------------------------------------- | |
1255 | ;|ADD A,s |***V0*|Add |A=A+s | | |
1256 | ;|----------|SZHP C|---------- 8080 ----------------------------| | |
1257 | ;|ADD A,s |***P *|Add |A=A+s | | |
1258 | ; | |
1259 | ; | |
1260 | do_op_adda: | |
1261 | add z_a,opl | |
1262 | in temp,sreg | |
1263 | ldpmx z_flags,sz53p_tab,z_a ;S,Z,P flag | |
1264 | bmov z_flags,ZFL_C, temp,AVR_C | |
1265 | bmov z_flags,ZFL_H, temp,AVR_H | |
1266 | do_z80_flags_V | |
1267 | ret | |
1268 | ||
1269 | ;---------------------------------------------------------------- | |
1270 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1271 | ;---------------------------------------------------------------- | |
1272 | ;|ADC A,s |***V0*|Add with Carry |A=A+s+CY | | |
1273 | ;|----------|SZHP C|---------- 8080 ----------------------------| | |
1274 | ;|ADC A,s |***P *|Add with Carry |A=A+s+CY | | |
1275 | ; | |
1276 | ; | |
1277 | do_op_adca: | |
1278 | clc | |
1279 | sbrc z_flags,ZFL_C | |
1280 | sec | |
1281 | adc z_a,opl | |
1282 | in temp,sreg | |
1283 | ldpmx z_flags,sz53p_tab,z_a ;S,Z,P | |
1284 | bmov z_flags,ZFL_C, temp,AVR_C | |
1285 | bmov z_flags,ZFL_H, temp,AVR_H | |
1286 | do_z80_flags_V | |
1287 | ret | |
1288 | ||
1289 | ;---------------------------------------------------------------- | |
1290 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1291 | ;---------------------------------------------------------------- | |
1292 | ;|SUB s |***V1*|Subtract |A=A-s | | |
1293 | ;|----------|SZHP C|---------- 8080 ----------------------------| | |
1294 | ;|SUB s |***P *|Subtract |A=A-s | | |
1295 | ||
1296 | ; | |
1297 | do_op_subfa: | |
1298 | sub z_a,opl | |
1299 | in temp,sreg | |
1300 | ldpmx z_flags,sz53p_tab,z_a ;S,Z,P | |
1301 | bmov z_flags,ZFL_C, temp,AVR_C | |
1302 | bmov z_flags,ZFL_H, temp,AVR_H | |
1303 | do_z80_flags_V | |
1304 | do_z80_flags_set_N | |
1305 | ret | |
1306 | ||
1307 | ;---------------------------------------------------------------- | |
1308 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1309 | ;---------------------------------------------------------------- | |
1310 | ;|CP s |***V1*|Compare |A-s | | |
1311 | ;|----------|SZHP C|---------- 8080 ----------------------------| | |
1312 | ;|CP s |***P *|Compare |A-s | | |
1313 | ||
1314 | ; | |
1315 | do_op_cpfa: | |
1316 | mov temp2,z_a | |
1317 | sub temp2,opl | |
1318 | in temp,sreg | |
1319 | ldpmx z_flags,sz53p_tab,temp2 ;S,Z,P | |
1320 | bmov z_flags,ZFL_C, temp,AVR_C | |
1321 | bmov z_flags,ZFL_H, temp,AVR_H | |
1322 | do_z80_flags_V | |
1323 | do_z80_flags_set_N | |
1324 | ret | |
1325 | ||
1326 | ;---------------------------------------------------------------- | |
1327 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1328 | ;---------------------------------------------------------------- | |
1329 | ;|SBC A,s |***V1*|Subtract with Carry |A=A-s-CY | | |
1330 | ;|----------|SZHP C|---------- 8080 ----------------------------| | |
1331 | ;|SBC A,s |***P *|Subtract with Carry |A=A-s-CY | | |
1332 | ; | |
1333 | ; | |
1334 | do_op_sbcfa: | |
1335 | clc | |
1336 | sbrc z_flags,ZFL_C | |
1337 | sec | |
1338 | sbc z_a,opl | |
1339 | in temp,sreg | |
1340 | ldpmx z_flags,sz53p_tab,z_a ;S,Z,P | |
1341 | bmov z_flags,ZFL_C, temp,AVR_C | |
1342 | bmov z_flags,ZFL_H, temp,AVR_H | |
1343 | do_z80_flags_V | |
1344 | do_z80_flags_set_N | |
1345 | ret | |
1346 | ||
1347 | ;---------------------------------------------------------------- | |
1348 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1349 | ;---------------------------------------------------------------- | |
1350 | ;|AND s |**1P00|Logical AND |A=A&s | | |
1351 | ;|----------|SZHP C|---------- 8080 ----------------------------| | |
1352 | ;|AND s |**-P 0|Logical AND |A=A&s | | |
1353 | ; | |
1354 | ; | |
1355 | do_op_anda: | |
1356 | and z_a,opl ; | |
1357 | ldpmx z_flags,sz53p_tab,z_a ;S,Z,P,N,C | |
1358 | do_z80_flags_op_and | |
1359 | ret | |
1360 | ||
1361 | ||
1362 | ;---------------------------------------------------------------- | |
1363 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1364 | ;---------------------------------------------------------------- | |
1365 | ;|OR s |**0P00|Logical inclusive OR |A=Avs | | |
1366 | ;|----------|SZHP C|---------- 8080 ----------------------------| | |
1367 | ;|OR s |**-P00|Logical inclusive OR |A=Avs | | |
1368 | ; | |
1369 | ; | |
1370 | do_op_ora: | |
1371 | or z_a,opl | |
1372 | ldpmx z_flags,sz53p_tab,z_a ;S,Z,H,P,N,C | |
1373 | do_z80_flags_op_or | |
1374 | ret | |
1375 | ||
1376 | ;---------------------------------------------------------------- | |
1377 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1378 | ;---------------------------------------------------------------- | |
1379 | ;|XOR s |**0P00|Logical Exclusive OR |A=Axs | | |
1380 | ;|----------|SZHP C|---------- 8080 ----------------------------| | |
1381 | ;|XOR s |**-P 0|Logical Exclusive OR |A=Axs | | |
1382 | ; | |
1383 | ; | |
1384 | do_op_xora: | |
e7a0f403 | 1385 | eor z_a,opl |
fa9059af L |
1386 | ldpmx z_flags,sz53p_tab,z_a ;S,Z,H,P,N,C |
1387 | do_z80_flags_op_or | |
1388 | ret | |
1389 | ||
1390 | ;---------------------------------------------------------------- | |
1391 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1392 | ;---------------------------------------------------------------- | |
80e1fa71 | 1393 | ;|ADD HL,ss |--*-0*|Add |HL=HL+ss | |
fa9059af L |
1394 | ;|----------|SZHP C|---------- 8080 ----------------------------| |
1395 | ;|ADD HL,ss |---- *|Add |HL=HL+ss | | |
1396 | ; | |
1397 | ; | |
1398 | do_op_addhl: | |
825ecc9d L |
1399 | add z_l,opl |
1400 | adc z_h,oph | |
e7a0f403 | 1401 | in temp,sreg |
fa9059af | 1402 | bmov z_flags,ZFL_C, temp,AVR_C |
80e1fa71 | 1403 | do_z80_flags_H |
fa9059af L |
1404 | do_z80_flags_clear_N |
1405 | ret | |
1406 | ||
1407 | ;---------------------------------------------------------------- | |
1408 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1409 | ;---------------------------------------------------------------- | |
1410 | ;|LD dst,src|------|Load |dst=src | | |
1411 | ; | |
1412 | ; | |
1413 | do_op_sthl: ;store hl to mem loc in opl:h | |
e7a0f403 | 1414 | movw xl,opl |
825ecc9d | 1415 | mem_write_s z_l |
e7a0f403 | 1416 | adiw xl,1 |
825ecc9d | 1417 | mem_write_s z_h |
fa9059af L |
1418 | ret |
1419 | ||
1420 | ;---------------------------------------------------------------- | |
1421 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1422 | ;---------------------------------------------------------------- | |
1423 | ;|LD dst,src|------|Load |dst=src | | |
1424 | ; | |
4bd49b80 | 1425 | ; |
fa9059af L |
1426 | do_op_rmem16: |
1427 | movw xl,opl | |
1428 | mem_read_d opl | |
1429 | adiw x,1 | |
1430 | mem_read_d oph | |
1431 | ret | |
1432 | ||
1433 | ;---------------------------------------------------------------- | |
1434 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1435 | ;---------------------------------------------------------------- | |
1436 | ;|LD dst,src|------|Load |dst=src | | |
1437 | ; | |
1438 | ; | |
1439 | do_op_rmem8: | |
1440 | mem_read_ds opl, op | |
1441 | ret | |
1442 | ||
1443 | ;---------------------------------------------------------------- | |
1444 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1445 | ;---------------------------------------------------------------- | |
1446 | ;|DAA |***P-*|Decimal Adjust Acc. | | | |
1447 | ;|----------|SZHP C|---------- 8080 ----------------------------| | |
096f3a91 | 1448 | |
fa9059af L |
1449 | |
1450 | ; Description (http://www.z80.info/z80syntx.htm#DAA): | |
1451 | ; This instruction conditionally adjusts the accumulator for BCD addition | |
1452 | ; and subtraction operations. For addition (ADD, ADC, INC) or subtraction | |
1453 | ; (SUB, SBC, DEC, NEC), the following table indicates the operation performed: | |
1454 | ; | |
1455 | ; ------------------------------------------------------------------- | |
1456 | ; | |C Flag |HEX value in|H Flag |HEX val in | Number |C flag | | |
1457 | ; | Oper |Before |upper digit |Before |lower digit| added |After | | |
1458 | ; | |DAA |(bit 7-4) |DAA |(bit 3-0) | to A |DAA | | |
1459 | ; |-------+-------+------------+-------+-----------+--------+-------| | |
1460 | ; | | 0 | 0-9 | 0 | 0-9 | 00 | 0 | | |
1461 | ; | ADD | 0 | 0-8 | 0 | A-F | 06 | 0 | | |
1462 | ; | | 0 | 0-9 | 1 | 0-3 | 06 | 0 | | |
1463 | ; | ADC | 0 | A-F | 0 | 0-9 | 60 | 1 | | |
1464 | ; | | 0 | 9-F | 0 | A-F | 66 | 1 | | |
1465 | ; | INC | 0 | A-F | 1 | 0-3 | 66 | 1 | | |
1466 | ; | | 1 | 0-2 | 0 | 0-9 | 60 | 1 | | |
1467 | ; | | 1 | 0-2 | 0 | A-F | 66 | 1 | | |
1468 | ; | | 1 | 0-3 | 1 | 0-3 | 66 | 1 | | |
1469 | ; |-------+-------+------------+-------+-----------+--------+-------| | |
1470 | ; | SUB | 0 | 0-9 | 0 | 0-9 | 00 | 0 | | |
1471 | ; | SBC | 0 | 0-8 | 1 | 6-F | FA | 0 | | |
1472 | ; | DEC | 1 | 7-F | 0 | 0-9 | A0 | 1 | | |
1473 | ; | NEG | 1 | 6-F | 1 | 6-F | 9A | 1 | | |
1474 | ; ------------------------------------------------------------------- | |
1475 | ; | |
1476 | ; The H flag is affected as follows: | |
1477 | ; | |
1478 | ; --------------------- | |
1479 | ; | N | H | low |H' | | |
4bd49b80 | 1480 | ; | | |nibble | | |
fa9059af | 1481 | ; |---+---+-------+---| |
4bd49b80 L |
1482 | ; | 0 | * | 0-9 | 0 | |
1483 | ; | 0 | * | a-f | 1 | | |
1484 | ; | 1 | 0 | * | 0 | | |
1485 | ; | 1 | 1 | 6-f | 0 | | |
1486 | ; | 1 | 1 | 0-5 | 1 | | |
fa9059af L |
1487 | ; --------------------- |
1488 | ; | |
1489 | ; Ohter flags: | |
1490 | ; N: Unaffected. | |
1491 | ; P/V: Set if Acc. is even parity after operation, reset otherwise. | |
1492 | ; Z: Set if Acc. is Zero after operation, reset otherwise. | |
1493 | ; S: Set if most significant bit of Acc. is 1 after operation, reset otherwise. | |
1494 | ||
fa9059af | 1495 | |
096f3a91 L |
1496 | |
1497 | #if 0 | |
fa9059af L |
1498 | |
1499 | #if EM_Z80 | |
4bd49b80 | 1500 | sbrc z_flags,ZFL_N ;if add-op |
fa9059af L |
1501 | rjmp op_da_sub ;then |
1502 | #endif | |
1503 | ||
096f3a91 | 1504 | do_op_DAA: |
fa9059af | 1505 | op_da_add: |
096f3a91 | 1506 | ldi temp2,0 ; new C, H and N flag |
fa9059af L |
1507 | sbrc z_flags,ZFL_H ; | |
1508 | rjmp op_da_a01 ; if (H flag ... | |
1509 | mov temp,opl ; | | |
1510 | andi temp,0x0f ; | | |
1511 | cpi temp,0x0a ; or (lower nibble >= 0x0A)) | |
1512 | brlo op_da_a10 ; | | |
1513 | op_da_a01: ; then | |
1514 | ldi oph,0x06 ; add 6 to lower nibble | |
4bd49b80 L |
1515 | add opl,oph ; |
1516 | brhc op_da_02 ; if | |
fa9059af L |
1517 | ori temp2,(1<<ZFL_H) ; set new H flag |
1518 | op_da_02: ; | |
1519 | brcc op_da_a10 ; if | |
1520 | ori temp2,(1<<ZFL_C) ; set new H flag | |
1521 | op_da_a10: ; endif | |
1522 | sbrc z_flags,ZFL_C ; | | |
1523 | rjmp op_da_a12 ; if (C flag ... | |
1524 | cpi opl,0xA0 ; |... or upper nibble >= 0xA0) | |
4bd49b80 | 1525 | brlo op_da_a13 ; |
fa9059af L |
1526 | op_da_a12: ; |
1527 | ldi oph,0x60 ; add 6 to lower nibble | |
1528 | add opl,oph ; | |
1529 | ori temp2,(1<<ZFL_C) ; set new C flag | |
1530 | op_da_a13: ; | |
1531 | ldpmx z_flags, sz53p_tab, opl ; get S,Z,P flag | |
1532 | or z_flags,temp2 ; merge new C and H flag | |
1533 | ret | |
1534 | ||
1535 | #if EM_Z80 | |
1536 | ||
fb050095 | 1537 | op_da_sub: ;Else (sub-op) |
096f3a91 L |
1538 | ldi temp2,(1<<ZFL_N) ; new C, H and N flag |
1539 | sbrc z_flags,ZFL_H ; | | |
1540 | rjmp op_da_s01 ; if (H flag ... | |
1541 | mov temp,opl ; | | |
1542 | andi temp,0x0f ; | | |
1543 | cpi temp,0x0a ; or (lower nibble >= 0x0A)) | |
1544 | brlo op_da_s10 ; | | |
1545 | op_da_s01: ; then | |
1546 | ldi oph,0x06 ; add 6 to lower nibble | |
4bd49b80 L |
1547 | sub opl,oph ; |
1548 | brhc PC+2 ; if | |
096f3a91 L |
1549 | ori temp2,(1<<ZFL_H) ; set new H flag |
1550 | brcc op_da_s10 ; if | |
1551 | ori temp2,(1<<ZFL_C) ; set new C flag | |
1552 | op_da_s10: ; endif | |
1553 | sbrc z_flags,ZFL_C ; | | |
1554 | rjmp op_da_s12 ; if (C flag ... | |
1555 | cpi opl,0x90 ; |... or upper nibble >= 0xA0) | |
4bd49b80 | 1556 | brlo op_da_s13 ; |
096f3a91 L |
1557 | op_da_s12: ; |
1558 | ldi oph,0x60 ; add 6 to lower nibble | |
1559 | sub opl,oph ; | |
1560 | ori temp2,(1<<ZFL_C) ; set new C flag | |
1561 | op_da_s13: ; | |
1562 | ldpmx z_flags, sz53p_tab, opl ; get S,Z,P flag | |
1563 | or z_flags,temp2 ; merge new C and H flag | |
1564 | ret | |
1565 | ||
fa9059af L |
1566 | #endif |
1567 | ||
1568 | #else | |
1569 | ||
096f3a91 | 1570 | do_op_DAA: |
fa9059af L |
1571 | ldi oph,0 ;oph: what to add |
1572 | ||
096f3a91 | 1573 | #if EM_Z80 |
4bd49b80 | 1574 | sbrc z_flags,ZFL_N ;if add-op |
fa9059af | 1575 | rjmp op_da_sub ;then |
096f3a91 L |
1576 | #endif |
1577 | ||
fa9059af | 1578 | op_da_add: |
096f3a91 | 1579 | ldi temp2,0 ; new C, H and N flag |
fa9059af L |
1580 | mov temp,opl ; | |
1581 | andi temp,0x0f ; | | |
1582 | cpi temp,0x0a ; if (lower nibble >= 0x0A) | |
1583 | brlo op_da_a10 ; | | |
1584 | ori oph,0x06 ; add 6 | |
1585 | ori temp2,(1<<ZFL_H) ; set new H flag | |
1586 | ||
1587 | sbrc z_flags,ZFL_C ; | | |
1588 | rjmp op_da_a02 ; if (C flag ... | |
1589 | cpi opl,0x90 ; |... or upper nibble >= 0x90) | |
1590 | brlo op_da_a03 ; | | |
4bd49b80 | 1591 | op_da_a02: |
fa9059af L |
1592 | ori oph,0x60 ; add 0x60 |
1593 | ori temp2,(1<<ZFL_C) ; set new C flag | |
1594 | op_da_a03: ; endif | |
1595 | rjmp op_da_ae | |
1596 | op_da_a10: ; else (lower nibble is 0x09 or lower) | |
1597 | sbrc z_flags,ZFL_C ; | | |
1598 | rjmp op_da_a12 ; if (C flag ... | |
1599 | cpi opl,0xA0 ; |... or upper nibble >= 0xA0) | |
4bd49b80 L |
1600 | brlo op_da_a13 ; |
1601 | op_da_a12: | |
fa9059af L |
1602 | ori oph,0x60 ; add 0x60 |
1603 | ori temp2,(1<<ZFL_C) ; set new C flag | |
1604 | op_da_a13: | |
1605 | sbrs z_flags,ZFL_H ; if (H flag) | |
1606 | rjmp op_da_ae ; | | |
1607 | ori oph,0x06 ; add 0x06 | |
1608 | mov temp,opl ; | | |
1609 | andi temp,0x0f ; | | |
096f3a91 | 1610 | cpi temp,0x06 ; if (lower nibble < 0x6) |
fa9059af | 1611 | brsh op_da_ae ; | |
096f3a91 | 1612 | ; ori temp2,(1<<ZFL_H) ; set new H flag |
fa9059af L |
1613 | ; endif |
1614 | ; endif | |
1615 | op_da_ae: | |
1616 | add opl,oph | |
1617 | ldpmx z_flags, sz53p_tab, opl ; get S,Z,P flag | |
1618 | or z_flags,temp2 ; merge new C and H flag | |
1619 | ret | |
1620 | ||
096f3a91 L |
1621 | #if EM_Z80 |
1622 | ||
fb050095 | 1623 | op_da_sub: ;Else (sub-op) |
096f3a91 L |
1624 | ldi temp2,(1<<ZFL_N) ; new C, H and N flag |
1625 | mov temp,opl ; | | |
1626 | andi temp,0x0f ; | | |
1627 | cpi temp,0x0a ; if (lower nibble >= 0x0A) | |
1628 | brlo op_da_s10 ; | | |
1629 | ori oph,0x06 ; sub 6 | |
1630 | ||
1631 | sbrc z_flags,ZFL_C ; | | |
1632 | rjmp op_da_s02 ; if (C flag ... | |
1633 | cpi opl,0x90 ; |... or upper nibble >= 0x90) | |
1634 | brlo op_da_s03 ; | | |
4bd49b80 | 1635 | op_da_s02: |
096f3a91 L |
1636 | ori oph,0x60 ; sub 0x60 |
1637 | ori temp2,(1<<ZFL_C) ; set new C flag | |
1638 | op_da_s03: ; endif | |
1639 | rjmp op_da_se | |
1640 | op_da_s10: ; else (lower nibble is 0x09 or lower) | |
1641 | sbrc z_flags,ZFL_C ; | | |
1642 | rjmp op_da_s12 ; if (C flag ... | |
1643 | cpi opl,0xA0 ; |... or upper nibble >= 0xA0) | |
4bd49b80 L |
1644 | brlo op_da_s13 ; |
1645 | op_da_s12: | |
096f3a91 L |
1646 | ori oph,0x60 ; sub 0x60 |
1647 | ori temp2,(1<<ZFL_C) ; set new C flag | |
1648 | op_da_s13: | |
1649 | sbrs z_flags,ZFL_H ; if (H flag) | |
1650 | rjmp op_da_se ; | | |
1651 | ori oph,0x06 ; sub 0x06 | |
1652 | mov temp,opl ; | | |
1653 | andi temp,0x0f ; | | |
1654 | cpi temp,0x06 ; if (lower nibble < 0x06) | |
1655 | brcc op_da_se ; | | |
1656 | ori temp2,(1<<ZFL_H) ; set new H flag | |
1657 | ; endif | |
1658 | ; endif | |
1659 | op_da_se: | |
1660 | sub opl,oph | |
1661 | ldpmx z_flags, sz53p_tab, opl ; get S,Z,P flag | |
1662 | or z_flags,temp2 ; merge new C and H flag | |
fb050095 | 1663 | ret ;Endif |
096f3a91 L |
1664 | |
1665 | #endif /* EM_Z80 */ | |
1666 | #endif /* alternatives */ | |
fa9059af L |
1667 | |
1668 | ||
1669 | ;---------------------------------------------------------------- | |
1670 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1671 | ;---------------------------------------------------------------- | |
1672 | ;|SCF |--0-01|Set Carry Flag |CY=1 | | |
1673 | ;|----------|SZHP C|---------- 8080 ----------------------------| | |
1674 | ; | |
1675 | ; | |
1676 | do_op_scf: | |
1677 | do_z80_flags_clear_HN | |
1678 | ori z_flags,(1<<ZFL_C) | |
1679 | ret | |
1680 | ||
1681 | ;---------------------------------------------------------------- | |
1682 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1683 | ;---------------------------------------------------------------- | |
1684 | ;|CCF |--?-0*|Complement Carry Flag|CY=~CY, HC=previous CY| | |
1685 | ;|----------|SZHP C|---------- 8080 ----------------------------| | |
1686 | ;|CCF |---- 1|Set Carry Flag |CY=1 | | |
1687 | ; | |
1688 | do_op_ccf: | |
1689 | do_z80_flags_clear_N | |
1690 | do_z80_flags_copy_HC | |
1691 | ldi temp,(1<<ZFL_C) | |
1692 | eor z_flags,temp | |
1693 | ret | |
1694 | ||
1695 | ;---------------------------------------------------------------- | |
1696 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1697 | ;---------------------------------------------------------------- | |
1698 | ;|CPL |--1-1-|Complement |A=~A | | |
1699 | ;|----------|SZHP C|---------- 8080 ----------------------------| | |
1700 | ;|CPL |---- -|Complement |A=~A | | |
1701 | ; | |
1702 | ; | |
1703 | do_op_cpl: | |
1704 | com z_a | |
1705 | do_z80_flags_set_HN | |
1706 | ret | |
1707 | ||
1708 | ||
1709 | ;---------------------------------------------------------------- | |
1710 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1711 | ;---------------------------------------------------------------- | |
1712 | ;|PUSH xx |------|Push |-[SP]=xx | | |
1713 | ;|PUSH qq |------|Push |-[SP]=qq | | |
1714 | ; | |
1715 | ; | |
1716 | do_op_push16: | |
1717 | movw xl,z_spl | |
1718 | sbiw x,1 | |
1719 | mem_write_s oph | |
1720 | sbiw x,1 | |
1721 | mem_write_s opl | |
1722 | movw z_spl,xl | |
1723 | ||
1724 | .if STACK_DBG | |
1725 | printnewline | |
1726 | printstring "Stack push " | |
1727 | movw temp,opl | |
1728 | rcall printhexw | |
1729 | printstring ", SP is now " | |
1730 | movw temp,z_spl | |
1731 | rcall printhexw | |
1732 | printstring ". " | |
1733 | .endif | |
1734 | ||
1735 | ret | |
1736 | ||
1737 | ;---------------------------------------------------------------- | |
1738 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1739 | ;---------------------------------------------------------------- | |
1740 | ;|POP xx |------|Pop |xx=[SP]+ | | |
1741 | ;|POP qq |------|Pop |qq=[SP]+ | | |
1742 | ; | |
1743 | ; | |
1744 | do_op_pop16: | |
1745 | movw x,z_spl | |
1746 | mem_read_d opl | |
1747 | adiw x,1 | |
1748 | mem_read_d oph | |
1749 | adiw x,1 | |
1750 | movw z_spl,x | |
1751 | ||
1752 | .if STACK_DBG | |
1753 | printnewline | |
1754 | printstring "Stack pop " | |
1755 | movw temp,opl | |
1756 | rcall printhexw | |
1757 | printstring ", SP is now " | |
1758 | movw temp,z_spl | |
1759 | rcall printhexw | |
1760 | printstring ". " | |
1761 | .endif | |
1762 | ret | |
1763 | ||
1764 | ;---------------------------------------------------------------- | |
1765 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1766 | ;---------------------------------------------------------------- | |
1767 | ;|EX [SP],HL|------|Exchange |[SP]<->HL | | |
1768 | ;|EX DE,HL |------|Exchange |DE<->HL | | |
1769 | ;-----------------------------Z80-------------------------------- | |
4bd49b80 | 1770 | ; |
fa9059af | 1771 | do_op_exhl: |
825ecc9d L |
1772 | movw temp,z_l |
1773 | movw z_l,opl | |
1774 | movw opl,temp | |
fa9059af L |
1775 | ret |
1776 | ||
1777 | ;---------------------------------------------------------------- | |
1778 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1779 | ;---------------------------------------------------------------- | |
4c92af0d L |
1780 | ;|DI |------|Disable Interrupts |IFF1 = IFF2 = 0 | |
1781 | ;|EI |------|Enable Interrupts |IFF1 = IFF2 = 1 | | |
fa9059af | 1782 | ; |
4c92af0d L |
1783 | |
1784 | do_op_DI: | |
e7a0f403 L |
1785 | #if EM_Z80 |
1786 | ldd temp,y+oz_istat | |
4c92af0d | 1787 | andi temp,~((1<<IFF2) | (1<<IFF1)) |
e7a0f403 L |
1788 | std y+oz_istat,temp |
1789 | #endif | |
fa9059af L |
1790 | ret |
1791 | ||
4c92af0d | 1792 | do_op_EI: |
e7a0f403 L |
1793 | #if EM_Z80 |
1794 | ldd temp,y+oz_istat | |
4c92af0d | 1795 | ori temp,(1<<IFF2) | (1<<IFF1) |
e7a0f403 L |
1796 | std y+oz_istat,temp |
1797 | #endif | |
fa9059af L |
1798 | ret |
1799 | ||
1800 | ;---------------------------------------------------------------- | |
1801 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1802 | ;---------------------------------------------------------------- | |
1803 | ;|CALL cc,nn|------|Conditional Call |If cc CALL | | |
1804 | ;|JP cc,nn |------|Conditional Jump |If cc JP | | |
1805 | ;|RET cc |------|Conditional Return |If cc RET | | |
1806 | ; | |
1807 | ; | |
1808 | do_op_ifnz: | |
1809 | sbrs z_flags, ZFL_Z | |
1810 | ret | |
1811 | pop temp ; nix tun | |
4bd49b80 | 1812 | pop temp ; direkt zurueck zu main |
fa9059af L |
1813 | ret |
1814 | ||
1815 | ;---------------------------------------------------------------- | |
1816 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1817 | ;---------------------------------------------------------------- | |
1818 | ;|CALL cc,nn|------|Conditional Call |If cc CALL | | |
1819 | ;|JP cc,nn |------|Conditional Jump |If cc JP | | |
1820 | ;|RET cc |------|Conditional Return |If cc RET | | |
1821 | ; | |
1822 | ; | |
1823 | do_op_ifz: | |
1824 | sbrc z_flags, ZFL_Z | |
1825 | ret | |
1826 | pop temp ; nix tun | |
4bd49b80 | 1827 | pop temp ; direkt zurueck zu main |
fa9059af L |
1828 | ret |
1829 | ||
1830 | ;---------------------------------------------------------------- | |
1831 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1832 | ;---------------------------------------------------------------- | |
1833 | ;|CALL cc,nn|------|Conditional Call |If cc CALL | | |
1834 | ;|JP cc,nn |------|Conditional Jump |If cc JP | | |
1835 | ;|RET cc |------|Conditional Return |If cc RET | | |
1836 | ; | |
1837 | ; | |
1838 | do_op_ifnc: | |
1839 | sbrs z_flags, ZFL_C | |
1840 | ret | |
1841 | pop temp ; nix tun | |
4bd49b80 | 1842 | pop temp ; direkt zuruech zu main |
fa9059af L |
1843 | ret |
1844 | ||
1845 | ;---------------------------------------------------------------- | |
1846 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1847 | ;---------------------------------------------------------------- | |
1848 | ;|CALL cc,nn|------|Conditional Call |If cc CALL | | |
1849 | ;|JP cc,nn |------|Conditional Jump |If cc JP | | |
1850 | ;|RET cc |------|Conditional Return |If cc RET | | |
1851 | ; | |
1852 | ; | |
1853 | do_op_ifc: | |
1854 | sbrc z_flags, ZFL_C | |
1855 | ret | |
1856 | pop temp ; nix tun | |
4bd49b80 | 1857 | pop temp ; direkt zuruech zu main |
fa9059af L |
1858 | ret |
1859 | ||
1860 | ;---------------------------------------------------------------- | |
1861 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1862 | ;---------------------------------------------------------------- | |
1863 | ;|CALL cc,nn|------|Conditional Call |If cc CALL | | |
1864 | ;|JP cc,nn |------|Conditional Jump |If cc JP | | |
1865 | ;|RET cc |------|Conditional Return |If cc RET | | |
1866 | ; | |
1867 | ; | |
1868 | do_op_ifpo: | |
1869 | sbrs z_flags, ZFL_P | |
1870 | ret | |
1871 | pop temp ; nix tun | |
4bd49b80 | 1872 | pop temp ; direkt zuruech zu main |
fa9059af L |
1873 | ret |
1874 | ||
1875 | ;---------------------------------------------------------------- | |
1876 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1877 | ;---------------------------------------------------------------- | |
1878 | ;|CALL cc,nn|------|Conditional Call |If cc CALL | | |
1879 | ;|JP cc,nn |------|Conditional Jump |If cc JP | | |
1880 | ;|RET cc |------|Conditional Return |If cc RET | | |
1881 | ; | |
1882 | ; | |
1883 | do_op_ifpe: | |
1884 | sbrc z_flags, ZFL_P | |
1885 | ret | |
1886 | pop temp ; nix tun | |
4bd49b80 | 1887 | pop temp ; direkt zuruech zu main |
fa9059af L |
1888 | ret |
1889 | ||
1890 | ;---------------------------------------------------------------- | |
1891 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1892 | ;---------------------------------------------------------------- | |
1893 | ;|CALL cc,nn|------|Conditional Call |If cc CALL | | |
1894 | ;|JP cc,nn |------|Conditional Jump |If cc JP | | |
1895 | ;|RET cc |------|Conditional Return |If cc RET | | |
1896 | ; | |
1897 | ; | |
1898 | do_op_ifp: ;sign positive, aka s=0 | |
1899 | sbrs z_flags, ZFL_S | |
1900 | ret | |
1901 | pop temp ; nix tun | |
4bd49b80 | 1902 | pop temp ; direkt zuruech zu main |
fa9059af L |
1903 | ret |
1904 | ||
1905 | ;---------------------------------------------------------------- | |
1906 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1907 | ;---------------------------------------------------------------- | |
1908 | ;|CALL cc,nn|------|Conditional Call |If cc CALL | | |
1909 | ;|JP cc,nn |------|Conditional Jump |If cc JP | | |
1910 | ;|RET cc |------|Conditional Return |If cc RET | | |
1911 | ; | |
1912 | ; | |
1913 | do_op_ifm: ;sign negative, aka s=1 | |
1914 | sbrc z_flags, ZFL_S | |
1915 | ret | |
1916 | pop temp ; nix tun | |
4bd49b80 | 1917 | pop temp ; direkt zuruech zu main |
fa9059af L |
1918 | ret |
1919 | ||
80e1fa71 | 1920 | ;---------------------------------------------------------------- |
fa9059af | 1921 | |
80e1fa71 L |
1922 | #if EM_Z80 |
1923 | ||
1924 | ;---------------------------------------------------------------- | |
1925 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1926 | ;---------------------------------------------------------------- | |
1927 | ;|DJNZ e |------|Dec., Jump Non-Zero |B=B-1 till B=0 | | |
1928 | ; | |
096f3a91 L |
1929 | ;The b register is decremented, and if not zero, the signed value e is added to pc. |
1930 | ;The jump is measured from the start of the instruction opcode. | |
1931 | ;e = Relative addressing (PC=PC+2+offset) | |
1932 | ||
1933 | #if 1 | |
1934 | ||
1935 | ; (Joe G.) | |
1936 | do_op_DJNZ: ; decremt B, jump B=0 | |
825ecc9d | 1937 | dec z_b ; B decrementieren |
096f3a91 L |
1938 | breq do_op_DJNZ_Z ; bei B=0 |
1939 | subi opl, 0x80 ; z_pc + e im Zweierkomplement | |
1940 | subi z_pcl,0x80 | |
1941 | sbc z_pch,_0 | |
1942 | add z_pcl,opl | |
1943 | adc z_pch,_0 | |
1944 | do_op_DJNZ_Z: | |
1945 | ret | |
1946 | ||
1947 | #else | |
80e1fa71 L |
1948 | |
1949 | do_op_djnz: | |
825ecc9d | 1950 | dec z_b |
80e1fa71 L |
1951 | brne opdjnze |
1952 | pop temp ; nix tun | |
4bd49b80 | 1953 | pop temp ; direkt zurueck zu main |
80e1fa71 L |
1954 | opdjnze: |
1955 | ret | |
1956 | ||
096f3a91 | 1957 | #endif |
80e1fa71 L |
1958 | |
1959 | ;---------------------------------------------------------------- | |
1960 | ;|Mnemonic |SZHPNC|Description |Notes | | |
1961 | ;---------------------------------------------------------------- | |
1962 | ;|EX AF,AF' |------|Exchange |AF<->AF' | | |
1963 | ||
1964 | do_op_EXAF: | |
e7a0f403 L |
1965 | ldd temp,y+oz_f2 |
1966 | ldd temp2,y+oz_a2 | |
1967 | std y+oz_f2,z_flags | |
1968 | std y+oz_a2,z_a | |
80e1fa71 L |
1969 | mov z_flags,temp |
1970 | mov z_a,temp2 | |
1971 | ret | |
1972 | ||
1973 | ||
1974 | ;---------------------------------------------------------------- | |
1975 | ;|Mnemonic |SZHPNC|Description |Notes | | |
fa9059af | 1976 | ;---------------------------------------------------------------- |
80e1fa71 L |
1977 | ;|EXX |------|Exchange |qq<->qq' (except AF)| |
1978 | ||
1979 | ||
825ecc9d L |
1980 | #if 1 |
1981 | ||
1982 | do_op_EXX: | |
1983 | ldd temp ,y+oz_c2 | |
1984 | ldd temp2,y+oz_b2 | |
1985 | std y+oz_c2,z_c | |
1986 | std y+oz_b2,z_b | |
1987 | movw z_c,temp | |
1988 | ||
1989 | ldd temp ,y+oz_e2 | |
1990 | ldd temp2,y+oz_d2 | |
1991 | std y+oz_e2,z_e | |
1992 | std y+oz_d2,z_d | |
1993 | movw z_e,temp | |
1994 | ||
1995 | ldd temp ,y+oz_l2 | |
1996 | ldd temp2,y+oz_h2 | |
1997 | std y+oz_l2,z_l | |
1998 | std y+oz_h2,z_h | |
1999 | movw z_l,temp | |
2000 | ret | |
2001 | #else | |
2002 | ||
80e1fa71 L |
2003 | do_op_EXX: |
2004 | ldiw z,z_b | |
2005 | ldi temp3,6 | |
2006 | opexx_loop: | |
2007 | ld temp,z | |
2008 | ldd temp2,z+r2ofs | |
2009 | std z+r2ofs,temp | |
2010 | st z+,temp2 | |
2011 | dec temp3 | |
2012 | brne opexx_loop | |
2013 | ret | |
2014 | ||
825ecc9d L |
2015 | #endif |
2016 | ||
80e1fa71 L |
2017 | #else |
2018 | do_op_djnz: | |
2019 | do_op_EXAF: | |
2020 | do_op_EXX: | |
096f3a91 | 2021 | ljmp do_op_inv |
80e1fa71 L |
2022 | ret |
2023 | #endif | |
fa9059af L |
2024 | |
2025 | #if EM_Z80 | |
2026 | ||
2027 | do_op_prefixED: | |
2028 | mem_read_ds zl,z_pc ;zl = memReadByte(z_pc) | |
2029 | adiw z_pcl,1 ;++z_pc | |
2030 | ldi zh,high(EDjmp) ; | |
2031 | ijmp | |
2032 | ||
2033 | ||
2034 | do_op_prefixDD: | |
80e1fa71 | 2035 | cbi flags,prefixfd |
fa9059af L |
2036 | mem_read_ds zl,z_pc ;zl = memReadByte(z_pc) |
2037 | adiw z_pcl,1 ;++z_pc | |
2038 | ldi zh,high(DDFDjmp) ; | |
2039 | ijmp | |
2040 | ||
2041 | ||
2042 | do_op_prefixFD: | |
80e1fa71 | 2043 | sbi flags,prefixfd |
fa9059af L |
2044 | mem_read_ds zl,z_pc ;zl = memReadByte(z_pc) |
2045 | adiw z_pcl,1 ;++z_pc | |
2046 | ldi zh,high(DDFDjmp) ; | |
2047 | ijmp | |
2048 | ||
80e1fa71 L |
2049 | do_op_prefixCB: |
2050 | mem_read_ds zl,z_pc ;zl = memReadByte(z_pc) | |
2051 | adiw z_pcl,1 ;++z_pc | |
2052 | ldi zh,high(CBjmp) ; | |
2053 | ijmp | |
2054 | ||
2055 | ||
2056 | do_op_prefixDDFDCB: | |
e7a0f403 L |
2057 | sbic flags,prefixfd |
2058 | rjmp opprxcb_fd | |
2059 | ldd xh,y+oz_xh | |
2060 | ldd xl,y+oz_xl | |
2061 | rjmp opprxcb_1 | |
2062 | opprxcb_fd: | |
2063 | ldd xh,y+oz_yh | |
2064 | ldd xl,y+oz_yl | |
2065 | opprxcb_1: | |
2066 | mem_read_s z_pc ;get displacement | |
2067 | adiw z_pcl,1 ;++z_pc | |
12a27f27 L |
2068 | mov temp2,temp ;sign extend |
2069 | lsl temp2 | |
2070 | sbc temp2,temp2 | |
e7a0f403 L |
2071 | add xl,temp ;add displacement |
2072 | adc xh,temp2 | |
2073 | mem_read_d opl | |
2074 | ||
80e1fa71 L |
2075 | mem_read_ds zl,z_pc ;zl = opcode |
2076 | adiw z_pcl,1 ;++z_pc | |
e7a0f403 L |
2077 | ldi zh,high(DDFDCBjmp) ; |
2078 | icall | |
2079 | mem_write_s opl | |
2080 | ret | |
80e1fa71 L |
2081 | |
2082 | ||
fa9059af L |
2083 | #else ; TODO: geht das so? |
2084 | ||
2085 | do_op_prefixED: | |
2086 | do_op_prefixDD: | |
2087 | do_op_prefixFD: | |
80e1fa71 | 2088 | do_op_prefixCB: |
096f3a91 | 2089 | ljmp do_op_inv |
fa9059af L |
2090 | ret |
2091 | #endif | |
2092 | ||
2093 | ||
623dd899 | 2094 | |
fa9059af L |
2095 | ; ----------------------- Opcode decoding ------------------------- |
2096 | ||
2097 | ; Lookup table for Z80 opcodes. Translates the first byte of the instruction word into three | |
2098 | ; operations: fetch, do something, store. | |
4bd49b80 | 2099 | ; The table is made of 256 words. |
fa9059af | 2100 | |
623dd899 | 2101 | opctable opcjmp, PC ;+3*256 |
4bd49b80 | 2102 | |
fa9059af L |
2103 | instr fetch_nop, op_nop, store_nop ;00 ;NOP |
2104 | instr fetch_DIR16, op_nop, store_BC ;01 nn nn ;LD BC,nn | |
2105 | instr fetch_nop, op_nop, store_MBC ;02 ;LD (BC),A | |
825ecc9d L |
2106 | ;instr fetch_BC, op_INC16, store_BC ;03 ;INC BC |
2107 | instr fetch_nop, op_INCBC, store_nop ;03 ;INC BC | |
fa9059af | 2108 | instr fetch_B, op_INC, store_B ;04 ;INC B |
623dd899 | 2109 | instr fetch_B, op_DEC, store_B ;05 ;DEC B |
fa9059af L |
2110 | instr fetch_DIR8, op_nop, store_B ;06 ;LD B,n |
2111 | instr fetch_nop, op_RLCA, store_nop ;07 ;RLCA | |
623dd899 | 2112 | instr fetch_nop, op_EXAF, store_nop ;08 ;EX AF,AF' |
80e1fa71 | 2113 | instr fetch_BC, op_ADDHL, store_nop ;09 ;ADD HL,BC |
fa9059af | 2114 | instr fetch_MBC, op_nop, store_nop ;0A ;LD A,(BC) |
825ecc9d L |
2115 | ;instr fetch_BC, op_DEC16, store_BC ;0B ;DEC BC |
2116 | instr fetch_nop, op_DECBC, store_nop ;0B ;DEC BC | |
fa9059af L |
2117 | instr fetch_C, op_INC, store_C ;0C ;INC C |
2118 | instr fetch_C, op_DEC, store_C ;0D ;DEC C | |
2119 | instr fetch_DIR8, op_nop, store_C ;0E nn ;LD C,n | |
2120 | instr fetch_nop, op_RRCA, store_nop ;0F ;RRCA | |
096f3a91 | 2121 | instr fetch_DIR8, op_DJNZ, store_nop ;10 oo ;DJNZ o |
fa9059af L |
2122 | instr fetch_DIR16, op_nop, store_DE ;11 nn nn ;LD DE,nn |
2123 | instr fetch_nop, op_nop, store_MDE ;12 ;LD (DE),A | |
825ecc9d L |
2124 | ;instr fetch_DE, op_INC16, store_DE ;13 ;INC DE |
2125 | instr fetch_nop, op_INCDE, store_nop ;13 ;INC DE | |
fa9059af | 2126 | instr fetch_D, op_INC, store_D ;14 ;INC D |
623dd899 | 2127 | instr fetch_D, op_DEC, store_D ;15 ;DEC D |
fa9059af L |
2128 | instr fetch_DIR8, op_nop, store_D ;16 nn ;LD D,n |
2129 | instr fetch_nop, op_RLA, store_nop ;17 ;RLA | |
80e1fa71 L |
2130 | instr fetch_DIR8, op_nop, store_pcrel ;18 oo ;JR o |
2131 | instr fetch_DE, op_ADDHL, store_nop ;19 ;ADD HL,DE | |
fa9059af | 2132 | instr fetch_MDE, op_nop, store_nop ;1A ;LD A,(DE) |
825ecc9d L |
2133 | ;instr fetch_DE, op_DEC16, store_DE ;1B ;DEC DE |
2134 | instr fetch_nop, op_DECDE, store_nop ;1B ;DEC DE | |
fa9059af | 2135 | instr fetch_E, op_INC, store_E ;1C ;INC E |
623dd899 | 2136 | instr fetch_E, op_DEC, store_E ;1D ;DEC E |
fa9059af L |
2137 | instr fetch_DIR8, op_nop, store_E ;1E nn ;LD E,n |
2138 | instr fetch_nop, op_RRA, store_nop ;1F ;RRA | |
80e1fa71 | 2139 | instr fetch_DIR8, op_IFNZ, store_pcrel ;20 oo ;JR NZ,o |
fa9059af L |
2140 | instr fetch_DIR16, op_nop, store_HL ;21 nn nn ;LD HL,nn |
2141 | instr fetch_DIR16, op_STHL, store_nop ;22 nn nn ;LD (nn),HL | |
825ecc9d L |
2142 | ;instr fetch_HL, op_INC16, store_HL ;23 ;INC HL |
2143 | instr fetch_nop, op_INCHL, store_nop ;23 ;INC HL | |
623dd899 L |
2144 | instr fetch_H, op_INC, store_H ;24 ;INC H |
2145 | instr fetch_H, op_DEC, store_H ;25 ;DEC H | |
2146 | instr fetch_DIR8, op_nop, store_H ;26 nn ;LD H,n | |
2147 | instr fetch_A, op_DAA, store_A ;27 ;DAA | |
80e1fa71 L |
2148 | instr fetch_DIR8, op_IFZ, store_pcrel ;28 oo ;JR Z,o |
2149 | instr fetch_HL, op_ADDHL, store_nop ;29 ;ADD HL,HL | |
fa9059af | 2150 | instr fetch_DIR16, op_RMEM16, store_HL ;2A nn nn ;LD HL,(nn) |
825ecc9d L |
2151 | ;instr fetch_HL, op_DEC16, store_HL ;2B ;DEC HL |
2152 | instr fetch_nop, op_DECHL, store_nop ;2B ;DEC HL | |
623dd899 L |
2153 | instr fetch_L, op_INC, store_L ;2C ;INC L |
2154 | instr fetch_L, op_DEC, store_L ;2D ;DEC L | |
2155 | instr fetch_DIR8, op_nop, store_L ;2E nn ;LD L,n | |
2156 | instr fetch_nop, op_CPL, store_nop ;2F ;CPL | |
80e1fa71 | 2157 | instr fetch_DIR8, op_IFNC, store_pcrel ;30 oo ;JR NC,o |
fa9059af L |
2158 | instr fetch_DIR16, op_nop, store_SP ;31 nn nn ;LD SP,nn |
2159 | instr fetch_DIR16, op_nop, store_AM ;32 nn nn ;LD (nn),A | |
2160 | instr fetch_SP, op_INC16, store_SP ;33 ;INC SP | |
2161 | instr fetch_MHL, op_INC, store_MHL ;34 ;INC (HL) | |
623dd899 | 2162 | instr fetch_MHL, op_DEC, store_MHL ;35 ;DEC (HL) |
fa9059af L |
2163 | instr fetch_DIR8, op_nop, store_MHL ;36 nn ;LD (HL),n |
2164 | instr fetch_nop, op_SCF, store_nop ;37 ;SCF | |
80e1fa71 L |
2165 | instr fetch_DIR8, op_IFC, store_pcrel ;38 oo ;JR C,o |
2166 | instr fetch_SP, op_ADDHL, store_nop ;39 ;ADD HL,SP | |
623dd899 L |
2167 | instr fetch_DIR16, op_RMEM8, store_A ;3A nn nn ;LD A,(nn) |
2168 | instr fetch_SP, op_DEC16, store_SP ;3B ;DEC SP | |
fa9059af | 2169 | instr fetch_nop, op_INCA, store_nop ;3C ;INC A |
623dd899 L |
2170 | instr fetch_nop, op_DECA, store_nop ;3D ;DEC A |
2171 | instr fetch_DIR8, op_nop, store_A ;3E nn ;LD A,n | |
2172 | instr fetch_nop, op_CCF, store_nop ;3F ;CCF (Complement Carry Flag, gvd) | |
fa9059af L |
2173 | instr fetch_nop, op_nop, store_nop ;40 ;LD B,B |
2174 | instr fetch_C, op_nop, store_B ;41 ;LD B,C | |
2175 | instr fetch_D, op_nop, store_B ;42 ;LD B,D | |
2176 | instr fetch_E, op_nop, store_B ;43 ;LD B,E | |
2177 | instr fetch_H, op_nop, store_B ;44 ;LD B,H | |
2178 | instr fetch_L, op_nop, store_B ;45 ;LD B,L | |
2179 | instr fetch_MHL, op_nop, store_B ;46 ;LD B,(HL) | |
2180 | instr fetch_A, op_nop, store_B ;47 ;LD B,A | |
2181 | instr fetch_B, op_nop, store_C ;48 ;LD C,B | |
2182 | instr fetch_nop, op_nop, store_nop ;49 ;LD C,C | |
2183 | instr fetch_D, op_nop, store_C ;4A ;LD C,D | |
2184 | instr fetch_E, op_nop, store_C ;4B ;LD C,E | |
2185 | instr fetch_H, op_nop, store_C ;4C ;LD C,H | |
2186 | instr fetch_L, op_nop, store_C ;4D ;LD C,L | |
2187 | instr fetch_MHL, op_nop, store_C ;4E ;LD C,(HL) | |
2188 | instr fetch_A, op_nop, store_C ;4F ;LD C,A | |
2189 | instr fetch_B, op_nop, store_D ;50 ;LD D,B | |
2190 | instr fetch_C, op_nop, store_D ;51 ;LD D,C | |
2191 | instr fetch_nop, op_nop, store_nop ;52 ;LD D,D | |
2192 | instr fetch_E, op_nop, store_D ;53 ;LD D,E | |
2193 | instr fetch_H, op_nop, store_D ;54 ;LD D,H | |
2194 | instr fetch_L, op_nop, store_D ;55 ;LD D,L | |
2195 | instr fetch_MHL, op_nop, store_D ;56 ;LD D,(HL) | |
2196 | instr fetch_A, op_nop, store_D ;57 ;LD D,A | |
2197 | instr fetch_B, op_nop, store_E ;58 ;LD E,B | |
2198 | instr fetch_C, op_nop, store_E ;59 ;LD E,C | |
2199 | instr fetch_D, op_nop, store_E ;5A ;LD E,D | |
2200 | instr fetch_nop, op_nop, store_nop ;5B ;LD E,E | |
2201 | instr fetch_H, op_nop, store_E ;5C ;LD E,H | |
2202 | instr fetch_L, op_nop, store_E ;5D ;LD E,L | |
2203 | instr fetch_MHL, op_nop, store_E ;5E ;LD E,(HL) | |
2204 | instr fetch_A, op_nop, store_E ;5F ;LD E,A | |
2205 | instr fetch_B, op_nop, store_H ;60 ;LD H,B | |
2206 | instr fetch_C, op_nop, store_H ;61 ;LD H,C | |
2207 | instr fetch_D, op_nop, store_H ;62 ;LD H,D | |
2208 | instr fetch_E, op_nop, store_H ;63 ;LD H,E | |
2209 | instr fetch_nop, op_nop, store_nop ;64 ;LD H,H | |
2210 | instr fetch_L, op_nop, store_H ;65 ;LD H,L | |
2211 | instr fetch_MHL, op_nop, store_H ;66 ;LD H,(HL) | |
2212 | instr fetch_A, op_nop, store_H ;67 ;LD H,A | |
2213 | instr fetch_B, op_nop, store_L ;68 ;LD L,B | |
2214 | instr fetch_C, op_nop, store_L ;69 ;LD L,C | |
2215 | instr fetch_D, op_nop, store_L ;6A ;LD L,D | |
2216 | instr fetch_E, op_nop, store_L ;6B ;LD L,E | |
2217 | instr fetch_H, op_nop, store_L ;6C ;LD L,H | |
2218 | instr fetch_nop, op_nop, store_nop ;6D ;LD L,L | |
2219 | instr fetch_MHL, op_nop, store_L ;6E ;LD L,(HL) | |
2220 | instr fetch_A, op_nop, store_L ;6F ;LD L,A | |
2221 | instr fetch_B, op_nop, store_MHL ;70 ;LD (HL),B | |
2222 | instr fetch_C, op_nop, store_MHL ;71 ;LD (HL),C | |
2223 | instr fetch_D, op_nop, store_MHL ;72 ;LD (HL),D | |
2224 | instr fetch_E, op_nop, store_MHL ;73 ;LD (HL),E | |
2225 | instr fetch_H, op_nop, store_MHL ;74 ;LD (HL),H | |
2226 | instr fetch_L, op_nop, store_MHL ;75 ;LD (HL),L | |
80e1fa71 | 2227 | instr fetch_nop, op_HALT, store_nop ;76 ;HALT |
fa9059af L |
2228 | instr fetch_A, op_nop, store_MHL ;77 ;LD (HL),A |
2229 | instr fetch_B, op_nop, store_A ;78 ;LD A,B | |
2230 | instr fetch_C, op_nop, store_A ;79 ;LD A,C | |
2231 | instr fetch_D, op_nop, store_A ;7A ;LD A,D | |
2232 | instr fetch_E, op_nop, store_A ;7B ;LD A,E | |
2233 | instr fetch_H, op_nop, store_A ;7C ;LD A,H | |
2234 | instr fetch_L, op_nop, store_A ;7D ;LD A,L | |
2235 | instr fetch_MHL, op_nop, store_A ;7E ;LD A,(HL) | |
2236 | instr fetch_nop, op_nop, store_nop ;7F ;LD A,A | |
2237 | instr fetch_B, op_ADDA, store_nop ;80 ;ADD A,B | |
2238 | instr fetch_C, op_ADDA, store_nop ;81 ;ADD A,C | |
2239 | instr fetch_D, op_ADDA, store_nop ;82 ;ADD A,D | |
2240 | instr fetch_E, op_ADDA, store_nop ;83 ;ADD A,E | |
2241 | instr fetch_H, op_ADDA, store_nop ;84 ;ADD A,H | |
2242 | instr fetch_L, op_ADDA, store_nop ;85 ;ADD A,L | |
2243 | instr fetch_MHL, op_ADDA, store_nop ;86 ;ADD A,(HL) | |
2244 | instr fetch_A, op_ADDA, store_nop ;87 ;ADD A,A | |
2245 | instr fetch_B, op_ADCA, store_nop ;88 ;ADC A,B | |
2246 | instr fetch_C, op_ADCA, store_nop ;89 ;ADC A,C | |
2247 | instr fetch_D, op_ADCA, store_nop ;8A ;ADC A,D | |
2248 | instr fetch_E, op_ADCA, store_nop ;8B ;ADC A,E | |
2249 | instr fetch_H, op_ADCA, store_nop ;8C ;ADC A,H | |
2250 | instr fetch_L, op_ADCA, store_nop ;8D ;ADC A,L | |
2251 | instr fetch_MHL, op_ADCA, store_nop ;8E ;ADC A,(HL) | |
2252 | instr fetch_A, op_ADCA, store_nop ;8F ;ADC A,A | |
2253 | instr fetch_B, op_SUBFA, store_nop ;90 ;SUB A,B | |
2254 | instr fetch_C, op_SUBFA, store_nop ;91 ;SUB A,C | |
2255 | instr fetch_D, op_SUBFA, store_nop ;92 ;SUB A,D | |
2256 | instr fetch_E, op_SUBFA, store_nop ;93 ;SUB A,E | |
2257 | instr fetch_H, op_SUBFA, store_nop ;94 ;SUB A,H | |
2258 | instr fetch_L, op_SUBFA, store_nop ;95 ;SUB A,L | |
2259 | instr fetch_MHL, op_SUBFA, store_nop ;96 ;SUB A,(HL) | |
2260 | instr fetch_A, op_SUBFA, store_nop ;97 ;SUB A,A | |
2261 | instr fetch_B, op_SBCFA, store_nop ;98 ;SBC A,B | |
2262 | instr fetch_C, op_SBCFA, store_nop ;99 ;SBC A,C | |
2263 | instr fetch_D, op_SBCFA, store_nop ;9A ;SBC A,D | |
2264 | instr fetch_E, op_SBCFA, store_nop ;9B ;SBC A,E | |
2265 | instr fetch_H, op_SBCFA, store_nop ;9C ;SBC A,H | |
2266 | instr fetch_L, op_SBCFA, store_nop ;9D ;SBC A,L | |
2267 | instr fetch_MHL, op_SBCFA, store_nop ;9E ;SBC A,(HL) | |
2268 | instr fetch_A, op_SBCFA, store_nop ;9F ;SBC A,A | |
2269 | instr fetch_B, op_ANDA, store_nop ;A0 ;AND A,B | |
2270 | instr fetch_C, op_ANDA, store_nop ;A1 ;AND A,C | |
2271 | instr fetch_D, op_ANDA, store_nop ;A2 ;AND A,D | |
2272 | instr fetch_E, op_ANDA, store_nop ;A3 ;AND A,E | |
2273 | instr fetch_H, op_ANDA, store_nop ;A4 ;AND A,H | |
2274 | instr fetch_L, op_ANDA, store_nop ;A5 ;AND A,L | |
2275 | instr fetch_MHL, op_ANDA, store_nop ;A6 ;AND A,(HL) | |
2276 | instr fetch_A, op_ANDA, store_nop ;A7 ;AND A,A | |
2277 | instr fetch_B, op_XORA, store_nop ;A8 ;XOR A,B | |
2278 | instr fetch_C, op_XORA, store_nop ;A9 ;XOR A,C | |
2279 | instr fetch_D, op_XORA, store_nop ;AA ;XOR A,D | |
2280 | instr fetch_E, op_XORA, store_nop ;AB ;XOR A,E | |
2281 | instr fetch_H, op_XORA, store_nop ;AC ;XOR A,H | |
2282 | instr fetch_L, op_XORA, store_nop ;AD ;XOR A,L | |
2283 | instr fetch_MHL, op_XORA, store_nop ;AE ;XOR A,(HL) | |
2284 | instr fetch_A, op_XORA, store_nop ;AF ;XOR A,A | |
2285 | instr fetch_B, op_ORA, store_nop ;B0 ;OR A,B | |
2286 | instr fetch_C, op_ORA, store_nop ;B1 ;OR A,C | |
2287 | instr fetch_D, op_ORA, store_nop ;B2 ;OR A,D | |
2288 | instr fetch_E, op_ORA, store_nop ;B3 ;OR A,E | |
2289 | instr fetch_H, op_ORA, store_nop ;B4 ;OR A,H | |
2290 | instr fetch_L, op_ORA, store_nop ;B5 ;OR A,L | |
2291 | instr fetch_MHL, op_ORA, store_nop ;B6 ;OR A,(HL) | |
2292 | instr fetch_A, op_ORA, store_nop ;B7 ;OR A,A | |
623dd899 L |
2293 | instr fetch_B, op_CPFA, store_nop ;B8 ;CP A,B |
2294 | instr fetch_C, op_CPFA, store_nop ;B9 ;CP A,C | |
2295 | instr fetch_D, op_CPFA, store_nop ;BA ;CP A,D | |
2296 | instr fetch_E, op_CPFA, store_nop ;BB ;CP A,E | |
2297 | instr fetch_H, op_CPFA, store_nop ;BC ;CP A,H | |
2298 | instr fetch_L, op_CPFA, store_nop ;BD ;CP A,L | |
2299 | instr fetch_MHL, op_CPFA, store_nop ;BE ;CP A,(HL) | |
2300 | instr fetch_A, op_CPFA, store_nop ;BF ;CP A,A | |
fa9059af L |
2301 | instr fetch_nop, op_IFNZ, store_RET ;C0 ;RET NZ |
2302 | instr fetch_nop, op_POP16, store_BC ;C1 ;POP BC | |
2303 | instr fetch_DIR16, op_IFNZ, store_PC ;C2 nn nn ;JP NZ,nn | |
2304 | instr fetch_DIR16, op_nop, store_PC ;C3 nn nn ;JP nn | |
2305 | instr fetch_DIR16, op_IFNZ, store_CALL ;C4 nn nn ;CALL NZ,nn | |
2306 | instr fetch_BC, op_PUSH16, store_nop ;C5 ;PUSH BC | |
2307 | instr fetch_DIR8, op_ADDA, store_nop ;C6 nn ;ADD A,n | |
2308 | instr fetch_RST, op_nop, store_CALL ;C7 ;RST 0 | |
2309 | instr fetch_nop, op_IFZ, store_RET ;C8 ;RET Z | |
2310 | instr fetch_nop, op_nop, store_RET ;C9 ;RET | |
2311 | instr fetch_DIR16, op_IFZ, store_PC ;CA nn nn ;JP Z,nn | |
80e1fa71 | 2312 | instr fetch_nop, op_prefixCB, store_nop ;CB ;(CB opcode prefix) |
fa9059af L |
2313 | instr fetch_DIR16, op_IFZ, store_CALL ;CC nn nn ;CALL Z,nn |
2314 | instr fetch_DIR16, op_nop, store_CALL ;CD nn nn ;CALL nn | |
2315 | instr fetch_DIR8, op_ADCA, store_nop ;CE nn ;ADC A,n | |
2316 | instr fetch_RST, op_nop, store_CALL ;CF ;RST 8H | |
2317 | instr fetch_nop, op_IFNC, store_RET ;D0 ;RET NC | |
2318 | instr fetch_nop, op_POP16, store_DE ;D1 ;POP DE | |
2319 | instr fetch_DIR16, op_IFNC, store_PC ;D2 nn nn ;JP NC,nn | |
2320 | instr fetch_DIR8, op_OUTA, store_nop ;D3 nn ;OUT (n),A | |
2321 | instr fetch_DIR16, op_IFNC, store_CALL ;D4 nn nn ;CALL NC,nn | |
2322 | instr fetch_DE, op_PUSH16, store_nop ;D5 ;PUSH DE | |
2323 | instr fetch_DIR8, op_SUBFA, store_nop ;D6 nn ;SUB n | |
2324 | instr fetch_RST, op_nop, store_CALL ;D7 ;RST 10H | |
2325 | instr fetch_nop, op_IFC, store_RET ;D8 ;RET C | |
623dd899 | 2326 | instr fetch_nop, op_EXX, store_nop ;D9 ;EXX |
fa9059af | 2327 | instr fetch_DIR16, op_IFC, store_PC ;DA nn nn ;JP C,nn |
80e1fa71 | 2328 | instr fetch_DIR8, op_INA, store_nop ;DB nn ;IN A,(n) |
fa9059af | 2329 | instr fetch_DIR16, op_IFC, store_CALL ;DC nn nn ;CALL C,nn |
e7a0f403 | 2330 | instr fetch_nop, op_prefixDD, store_nop ;DD ;(DD opcode prefix) |
fa9059af L |
2331 | instr fetch_DIR8, op_SBCFA, store_nop ;DE nn ;SBC A,n |
2332 | instr fetch_RST, op_nop, store_CALL ;DF ;RST 18H | |
2333 | instr fetch_nop, op_IFPO, store_RET ;E0 ;RET PO | |
2334 | instr fetch_nop, op_POP16, store_HL ;E1 ;POP HL | |
2335 | instr fetch_DIR16, op_IFPO, store_PC ;E2 nn nn ;JP PO,nn | |
623dd899 | 2336 | instr fetch_MSP, op_EXHL, store_MSP ;E3 ;EX (SP),HL |
fa9059af L |
2337 | instr fetch_DIR16, op_IFPO, store_CALL ;E4 nn nn ;CALL PO,nn |
2338 | instr fetch_HL, op_PUSH16, store_nop ;E5 ;PUSH HL | |
2339 | instr fetch_DIR8, op_ANDA, store_nop ;E6 nn ;AND n | |
2340 | instr fetch_RST, op_nop, store_CALL ;E7 ;RST 20H | |
2341 | instr fetch_nop, op_IFPE, store_RET ;E8 ;RET PE | |
2342 | instr fetch_HL, op_nop, store_PC ;E9 ;JP HL | |
2343 | instr fetch_DIR16, op_IFPE, store_PC ;EA nn nn ;JP PE,nn | |
623dd899 | 2344 | instr fetch_DE, op_EXHL, store_DE ;EB ;EX DE,HL |
fa9059af L |
2345 | instr fetch_DIR16, op_IFPE, store_CALL ;EC nn nn ;CALL PE,nn |
2346 | instr fetch_nop, op_prefixED, store_nop ;ED ;(ED opcode prefix) | |
2347 | instr fetch_DIR8, op_XORA, store_nop ;EE nn ;XOR n | |
2348 | instr fetch_RST, op_nop, store_CALL ;EF ;RST 28H | |
2349 | instr fetch_nop, op_IFP, store_RET ;F0 ;RET P | |
2350 | instr fetch_nop, op_POP16, store_AF ;F1 ;POP AF | |
2351 | instr fetch_DIR16, op_IFP, store_PC ;F2 nn nn ;JP P,nn | |
623dd899 | 2352 | instr fetch_nop, op_DI, store_nop ;F3 ;DI |
fa9059af L |
2353 | instr fetch_DIR16, op_IFP, store_CALL ;F4 nn nn ;CALL P,nn |
2354 | instr fetch_AF, op_PUSH16, store_nop ;F5 ;PUSH AF | |
2355 | instr fetch_DIR8, op_ORA, store_nop ;F6 nn ;OR n | |
2356 | instr fetch_RST, op_nop, store_CALL ;F7 ;RST 30H | |
2357 | instr fetch_nop, op_IFM, store_RET ;F8 ;RET M | |
2358 | instr fetch_HL, op_nop, store_SP ;F9 ;LD SP,HL | |
2359 | instr fetch_DIR16, op_IFM, store_PC ;FA nn nn ;JP M,nn | |
623dd899 | 2360 | instr fetch_nop, op_EI, store_nop ;FB ;EI |
fa9059af L |
2361 | instr fetch_DIR16, op_IFM, store_CALL ;FC nn nn ;CALL M,nn |
2362 | instr fetch_nop, op_prefixFD, store_nop ;FD ;(FD opcode prefix) | |
623dd899 | 2363 | instr fetch_DIR8, op_CPFA, store_nop ;FE nn ;CP n |
fa9059af L |
2364 | instr fetch_RST, op_nop, store_CALL ;FF ;RST 38H |
2365 | ||
2366 | ||
2367 | #if EM_Z80 | |
2368 | ||
e7a0f403 L |
2369 | |
2370 | ||
623dd899 L |
2371 | checkspace PC, 2 |
2372 | ||
2373 | do_op_noni: | |
2374 | sbiw z_pcl,1 ;--z_pc | |
fa9059af L |
2375 | ret |
2376 | ||
623dd899 L |
2377 | checkspace PC, 16 |
2378 | ||
096f3a91 L |
2379 | do_fetch_dir8_2: |
2380 | movw xl,z_pcl | |
2381 | adiw xl,1 | |
2382 | mem_read_d opl | |
2383 | ret | |
2384 | ||
623dd899 | 2385 | checkspace PC, 5 |
80e1fa71 | 2386 | |
623dd899 L |
2387 | do_fetch_xh: |
2388 | sbis flags,prefixfd | |
2389 | ldd opl,y+oz_xh | |
2390 | sbic flags,prefixfd | |
2391 | ldd opl,y+oz_yh | |
2392 | ret | |
80e1fa71 | 2393 | |
623dd899 | 2394 | checkspace PC, 5 |
80e1fa71 | 2395 | |
623dd899 L |
2396 | do_fetch_xl: |
2397 | sbis flags,prefixfd | |
2398 | ldd opl,y+oz_xl | |
2399 | sbic flags,prefixfd | |
2400 | ldd opl,y+oz_yl | |
80e1fa71 L |
2401 | ret |
2402 | ||
80e1fa71 | 2403 | |
623dd899 | 2404 | checkspace PC, 41 |
80e1fa71 | 2405 | |
623dd899 L |
2406 | do_fetch_mxx: |
2407 | sbic flags,prefixfd | |
2408 | rjmp fetchmxx_fd | |
2409 | ldd xh,y+oz_xh | |
2410 | ldd xl,y+oz_xl | |
2411 | rjmp fetchmxx1 | |
2412 | fetchmxx_fd: | |
2413 | ldd xh,y+oz_yh | |
2414 | ldd xl,y+oz_yl | |
2415 | fetchmxx1: | |
2416 | mem_read_ds opl, z_pc ;get displacement | |
2417 | adiw z_pcl,1 | |
12a27f27 L |
2418 | mov oph,opl ;sign extend |
2419 | lsl oph | |
2420 | sbc oph,oph | |
623dd899 L |
2421 | add xl,opl ;add displacement |
2422 | adc xh,oph | |
2423 | mem_read_d opl ;get operand | |
2424 | ret ;(Ix+d) still in xl,xh | |
80e1fa71 | 2425 | |
623dd899 L |
2426 | |
2427 | checkspace PC, 8 | |
2428 | ||
2429 | do_fetch_xx: | |
2430 | sbic flags,prefixfd | |
2431 | rjmp fetchxx_fd | |
2432 | ldd opl,y+oz_xl | |
2433 | ldd oph,y+oz_xh | |
2434 | ret | |
2435 | fetchxx_fd: | |
2436 | ldd opl,y+oz_yl | |
2437 | ldd oph,y+oz_yh | |
fa9059af L |
2438 | ret |
2439 | ||
623dd899 L |
2440 | checkspace PC, 5 |
2441 | ||
2442 | do_store_xh: | |
2443 | sbis flags,prefixfd | |
2444 | std y+oz_xh,opl | |
2445 | sbic flags,prefixfd | |
2446 | std y+oz_yh,opl | |
fa9059af L |
2447 | ret |
2448 | ||
623dd899 L |
2449 | checkspace PC, 5 |
2450 | ||
2451 | do_store_xl: | |
2452 | sbis flags,prefixfd | |
2453 | std y+oz_xl,opl | |
2454 | sbic flags,prefixfd | |
2455 | std y+oz_yl,opl | |
fa9059af L |
2456 | ret |
2457 | ||
623dd899 | 2458 | checkspace PC, 37 |
80e1fa71 | 2459 | |
80e1fa71 L |
2460 | do_store_mxx: |
2461 | sbic flags,prefixfd | |
2462 | rjmp storemxx_fd | |
e7a0f403 L |
2463 | ldd xh,y+oz_xh |
2464 | ldd xl,y+oz_xl | |
80e1fa71 L |
2465 | rjmp storemxx1 |
2466 | storemxx_fd: | |
e7a0f403 L |
2467 | ldd xh,y+oz_yh |
2468 | ldd xl,y+oz_yl | |
80e1fa71 L |
2469 | storemxx1: |
2470 | mem_read_s z_pc ;get displacement | |
2471 | adiw z_pcl,1 | |
12a27f27 L |
2472 | mov temp2,temp ;sign extend |
2473 | lsl temp2 | |
2474 | sbc temp2,temp2 | |
80e1fa71 L |
2475 | add xl,temp ;add displacement |
2476 | adc xh,temp2 | |
e7a0f403 | 2477 | mem_write_s opl ;store operand |
80e1fa71 L |
2478 | ret |
2479 | ||
623dd899 L |
2480 | checkspace PC, 10 |
2481 | ||
096f3a91 L |
2482 | do_store_mxx_0: |
2483 | mem_write_s opl ;store operand | |
2484 | ret | |
2485 | ||
623dd899 L |
2486 | checkspace PC, 38 |
2487 | ||
8fec4e62 L |
2488 | do_store_mxx_2: |
2489 | sbic flags,prefixfd | |
2490 | rjmp storemxx2_fd | |
2491 | ldd xh,y+oz_xh | |
2492 | ldd xl,y+oz_xl | |
2493 | rjmp storemxx21 | |
2494 | storemxx2_fd: | |
2495 | ldd xh,y+oz_yh | |
2496 | ldd xl,y+oz_yl | |
2497 | storemxx21: | |
2498 | mem_read_s z_pc ;get displacement | |
2499 | adiw z_pcl,1 | |
2500 | adiw z_pcl,1 | |
12a27f27 L |
2501 | mov temp2,temp ;sign extend |
2502 | lsl temp2 | |
2503 | sbc temp2,temp2 | |
8fec4e62 L |
2504 | add xl,temp ;add displacement |
2505 | adc xh,temp2 | |
2506 | mem_write_s opl ;store operand | |
2507 | ret | |
2508 | ||
623dd899 L |
2509 | checkspace PC, 8 |
2510 | ||
80e1fa71 L |
2511 | do_store_xx: |
2512 | sbic flags,prefixfd | |
2513 | rjmp storexx_fd | |
e7a0f403 L |
2514 | std y+oz_xl,opl |
2515 | std y+oz_xh,oph | |
80e1fa71 L |
2516 | ret |
2517 | storexx_fd: | |
e7a0f403 L |
2518 | std y+oz_yl,opl |
2519 | std y+oz_yh,oph | |
80e1fa71 L |
2520 | ret |
2521 | ||
fa9059af L |
2522 | ;---------------------------------------------------------------- |
2523 | ;|Mnemonic |SZHPNC|Description |Notes | | |
2524 | ;---------------------------------------------------------------- | |
80e1fa71 L |
2525 | ;|LD dst,src|------|Load |dst=src | |
2526 | ; | |
623dd899 L |
2527 | |
2528 | checkspace PC, 30 | |
2529 | ||
80e1fa71 L |
2530 | do_op_stxx: ;store xx to mem loc in opl:h |
2531 | ||
623dd899 | 2532 | movw xl,opl |
80e1fa71 | 2533 | sbis flags,prefixfd |
e7a0f403 | 2534 | ldd temp,y+oz_xl |
80e1fa71 | 2535 | sbic flags,prefixfd |
e7a0f403 | 2536 | ldd temp,y+oz_yl |
80e1fa71 L |
2537 | mem_write |
2538 | adiw xl,1 | |
2539 | sbis flags,prefixfd | |
e7a0f403 | 2540 | ldd temp,y+oz_xh |
80e1fa71 | 2541 | sbic flags,prefixfd |
e7a0f403 | 2542 | ldd temp,y+oz_yh |
80e1fa71 L |
2543 | mem_write |
2544 | ret | |
2545 | ||
2546 | ||
2547 | ;---------------------------------------------------------------- | |
2548 | ;|Mnemonic |SZHPNC|Description |Notes | | |
2549 | ;---------------------------------------------------------------- | |
2550 | ;|EX [SP],IX|------|Exchange |[SP]<->IX | | |
2551 | ;|EX [SP],IY|------|Exchange |[SP]<->IY | | |
4bd49b80 | 2552 | ; |
623dd899 L |
2553 | checkspace PC, 13 |
2554 | ||
80e1fa71 L |
2555 | do_op_EXxx: |
2556 | sbic flags,prefixfd | |
2557 | rjmp opexxx_fd | |
e7a0f403 L |
2558 | ldd temp,y+oz_xl |
2559 | ldd temp2,y+oz_xh | |
2560 | std y+oz_xl,opl | |
2561 | std y+oz_xh,oph | |
80e1fa71 L |
2562 | rjmp opexxxe |
2563 | opexxx_fd: | |
e7a0f403 L |
2564 | ldd temp,y+oz_yl |
2565 | ldd temp2,y+oz_yh | |
2566 | std y+oz_yl,opl | |
2567 | std y+oz_yh,oph | |
80e1fa71 L |
2568 | opexxxe: |
2569 | movw opl,temp | |
2570 | ret | |
2571 | ||
2572 | ;---------------------------------------------------------------- | |
2573 | ;|Mnemonic |SZHPNC|Description |Notes | | |
2574 | ;---------------------------------------------------------------- | |
2575 | ;|ADD IX,pp |--*-0*|Add |IX=IX+pp | | |
2576 | ;|ADD IY,rr |--*-0*|Add |IY=IY+rr | | |
fa9059af | 2577 | ; |
623dd899 L |
2578 | |
2579 | checkspace PC, 25 | |
2580 | ||
fa9059af | 2581 | do_op_addxx: |
80e1fa71 L |
2582 | sbic flags,prefixfd |
2583 | rjmp opadx_fd | |
e7a0f403 L |
2584 | ldd temp,y+oz_xl |
2585 | ldd temp2,y+oz_xh | |
2586 | add opl,temp | |
2587 | adc oph,temp2 | |
2588 | std y+oz_xl,opl | |
2589 | std y+oz_xh,oph | |
80e1fa71 L |
2590 | rjmp opadx_e |
2591 | opadx_fd: | |
e7a0f403 L |
2592 | ldd temp,y+oz_yl |
2593 | ldd temp2,y+oz_yh | |
2594 | add opl,temp | |
2595 | adc oph,temp2 | |
2596 | std y+oz_yl,opl | |
2597 | std y+oz_yh,oph | |
80e1fa71 | 2598 | opadx_e: |
e7a0f403 | 2599 | in temp,sreg |
80e1fa71 L |
2600 | bmov z_flags,ZFL_C, temp,AVR_C |
2601 | do_z80_flags_H | |
fa9059af L |
2602 | do_z80_flags_clear_N |
2603 | ret | |
2604 | ||
80e1fa71 | 2605 | |
623dd899 | 2606 | opctable DDFDjmp, PC ;+256 |
e7a0f403 | 2607 | |
623dd899 L |
2608 | instr fetch_nop, op_noni, store_nop ;00 ; |
2609 | instr fetch_nop, op_noni, store_nop ;01 ; | |
2610 | instr fetch_nop, op_noni, store_nop ;02 ; | |
2611 | instr fetch_nop, op_noni, store_nop ;03 ; | |
2612 | instr fetch_nop, op_noni, store_nop ;04 ; | |
2613 | instr fetch_nop, op_noni, store_nop ;05 ; | |
2614 | instr fetch_nop, op_noni, store_nop ;06 ; | |
2615 | instr fetch_nop, op_noni, store_nop ;07 ; | |
2616 | instr fetch_nop, op_noni, store_nop ;08 ; | |
2617 | instr fetch_BC, op_ADDxx, store_nop ;09 ;ADD xx,BC | |
2618 | instr fetch_nop, op_noni, store_nop ;0A ; | |
2619 | instr fetch_nop, op_noni, store_nop ;0B ; | |
2620 | instr fetch_nop, op_noni, store_nop ;0C ; | |
2621 | instr fetch_nop, op_noni, store_nop ;0D ; | |
2622 | instr fetch_nop, op_noni, store_nop ;0E ; | |
2623 | instr fetch_nop, op_noni, store_nop ;0F ; | |
2624 | instr fetch_nop, op_noni, store_nop ;10 ; | |
2625 | instr fetch_nop, op_noni, store_nop ;11 ; | |
2626 | instr fetch_nop, op_noni, store_nop ;12 ; | |
2627 | instr fetch_nop, op_noni, store_nop ;13 ; | |
2628 | instr fetch_nop, op_noni, store_nop ;14 ; | |
2629 | instr fetch_nop, op_noni, store_nop ;15 ; | |
2630 | instr fetch_nop, op_noni, store_nop ;16 ; | |
2631 | instr fetch_nop, op_noni, store_nop ;17 ; | |
2632 | instr fetch_nop, op_noni, store_nop ;18 ; | |
2633 | instr fetch_DE, op_ADDxx, store_nop ;19 ;ADD xx,DE | |
2634 | instr fetch_nop, op_noni, store_nop ;1A ; | |
2635 | instr fetch_nop, op_noni, store_nop ;1B ; | |
2636 | instr fetch_nop, op_noni, store_nop ;1C ; | |
2637 | instr fetch_nop, op_noni, store_nop ;1D ; | |
2638 | instr fetch_nop, op_noni, store_nop ;1E ; | |
2639 | instr fetch_nop, op_noni, store_nop ;1F ; | |
2640 | instr fetch_nop, op_noni, store_nop ;20 ; | |
2641 | instr fetch_DIR16, op_nop, store_xx ;21 ;LD xx,nn | |
2642 | instr fetch_DIR16, op_STxx, store_nop ;22 ;LD (nn),xx | |
2643 | instr fetch_xx, op_INC16, store_xx ;23 ;INC xx | |
2644 | instr fetch_xH, op_INC, store_xH ;24 ;INC xh | |
2645 | instr fetch_xH, op_DEC, store_xH ;25 ;DEC xh | |
2646 | instr fetch_DIR8, op_nop, store_xH ;26 ;LD xh,n | |
2647 | instr fetch_nop, op_noni, store_nop ;27 ; | |
2648 | instr fetch_nop, op_noni, store_nop ;28 ; | |
2649 | instr fetch_xx, op_ADDxx, store_nop ;29 ;ADD xx,xx | |
2650 | instr fetch_DIR16, op_RMEM16, store_xx ;2A ;LD xx,(nn) | |
2651 | instr fetch_xx, op_DEC16, store_xx ;2B ;DEC xx | |
2652 | instr fetch_xL, op_INC, store_xL ;2C ;INC xl | |
2653 | instr fetch_xL, op_DEC, store_xL ;2D ;DEC xl | |
2654 | instr fetch_DIR8, op_nop, store_xL ;2E ;LD xl,n | |
2655 | instr fetch_nop, op_noni, store_nop ;2F ; | |
2656 | instr fetch_nop, op_noni, store_nop ;30 ; | |
2657 | instr fetch_nop, op_noni, store_nop ;31 ; | |
2658 | instr fetch_nop, op_noni, store_nop ;32 ; | |
2659 | instr fetch_nop, op_noni, store_nop ;33 ; | |
2660 | instr fetch_MXX, op_INC, store_MXX_0 ;34 ;INC (xx+d) | |
2661 | instr fetch_MXX, op_DEC, store_MXX_0 ;35 ;DEC (xx+d) | |
2662 | instr fetch_DIR8_2, op_nop, store_MXX_2 ;36 ;LD (xx+d),n | |
2663 | instr fetch_nop, op_noni, store_nop ;37 ; | |
2664 | instr fetch_nop, op_noni, store_nop ;38 ; | |
2665 | instr fetch_SP, op_ADDxx, store_nop ;39 ;ADD xx,SP | |
2666 | instr fetch_nop, op_noni, store_nop ;3A ; | |
2667 | instr fetch_nop, op_noni, store_nop ;3B ; | |
2668 | instr fetch_nop, op_noni, store_nop ;3C ; | |
2669 | instr fetch_nop, op_noni, store_nop ;3D ; | |
2670 | instr fetch_nop, op_noni, store_nop ;3E ; | |
2671 | instr fetch_nop, op_noni, store_nop ;3F ; | |
2672 | instr fetch_nop, op_noni, store_nop ;40 ; | |
2673 | instr fetch_nop, op_noni, store_nop ;41 ; | |
2674 | instr fetch_nop, op_noni, store_nop ;42 ; | |
2675 | instr fetch_nop, op_noni, store_nop ;43 ; | |
2676 | instr fetch_xH, op_nop, store_B ;44 ;LD B,xh | |
2677 | instr fetch_xL, op_nop, store_B ;45 ;LD B,xl | |
2678 | instr fetch_MXX, op_nop, store_B ;46 ;LD B,(xx+d) | |
2679 | instr fetch_nop, op_noni, store_nop ;47 ; | |
2680 | instr fetch_nop, op_noni, store_nop ;48 ; | |
2681 | instr fetch_nop, op_noni, store_nop ;49 ; | |
2682 | instr fetch_nop, op_noni, store_nop ;4A ; | |
2683 | instr fetch_nop, op_noni, store_nop ;4B ; | |
2684 | instr fetch_xH, op_nop, store_C ;4C ;LD C,xh | |
2685 | instr fetch_xL, op_nop, store_C ;4D ;LD C,xl | |
2686 | instr fetch_MXX, op_nop, store_C ;4E ;LD C,(xx+d) | |
2687 | instr fetch_nop, op_noni, store_nop ;4F ; | |
2688 | instr fetch_nop, op_noni, store_nop ;50 ; | |
2689 | instr fetch_nop, op_noni, store_nop ;51 ; | |
2690 | instr fetch_nop, op_noni, store_nop ;52 ; | |
2691 | instr fetch_nop, op_noni, store_nop ;53 ; | |
2692 | instr fetch_xH, op_nop, store_D ;54 ;LD D,xh | |
2693 | instr fetch_xL, op_nop, store_D ;55 ;LD D,xl | |
2694 | instr fetch_MXX, op_nop, store_D ;56 ;LD D,(xx+d) | |
2695 | instr fetch_nop, op_noni, store_nop ;57 ; | |
2696 | instr fetch_nop, op_noni, store_nop ;58 ; | |
2697 | instr fetch_nop, op_noni, store_nop ;59 ; | |
2698 | instr fetch_nop, op_noni, store_nop ;5A ; | |
2699 | instr fetch_nop, op_noni, store_nop ;5B ; | |
2700 | instr fetch_xH, op_nop, store_E ;5C ;LD E,xh | |
2701 | instr fetch_xL, op_nop, store_E ;5D ;LD E,xl | |
2702 | instr fetch_MXX, op_nop, store_E ;5E ;LD E,(xx+d) | |
2703 | instr fetch_nop, op_noni, store_nop ;5F ; | |
2704 | instr fetch_B, op_nop, store_xH ;60 ;LD xh,B | |
2705 | instr fetch_C, op_nop, store_xH ;61 ;LD xh,C | |
2706 | instr fetch_D, op_nop, store_xH ;62 ;LD xh,D | |
2707 | instr fetch_E, op_nop, store_xH ;63 ;LD xh,E | |
2708 | instr fetch_nop, op_noni, store_nop ;64 ;LD xh,xh | |
2709 | instr fetch_xL, op_nop, store_xH ;65 ;LD xh,xl | |
2710 | instr fetch_MXX, op_nop, store_H ;66 ;LD H,(xx+d) | |
2711 | instr fetch_A, op_nop, store_xH ;67 ;LD xh,A | |
2712 | instr fetch_B, op_nop, store_xL ;68 ;LD xl,B | |
2713 | instr fetch_C, op_nop, store_xL ;69 ;LD xl,C | |
2714 | instr fetch_D, op_nop, store_xL ;6A ;LD xl,D | |
2715 | instr fetch_E, op_nop, store_xL ;6B ;LD xl,E | |
2716 | instr fetch_xH, op_nop, store_xL ;6C ;LD xl,xh | |
2717 | instr fetch_nop, op_noni, store_nop ;6D ;LD xl,xl | |
2718 | instr fetch_MXX, op_nop, store_L ;6E ;LD L,(xx+d) | |
2719 | instr fetch_A, op_nop, store_xL ;6F ;LD xl,A | |
2720 | instr fetch_B, op_nop, store_MXX ;70 ;LD (xx+d),B | |
2721 | instr fetch_C, op_nop, store_MXX ;71 ;LD (xx+d),C | |
2722 | instr fetch_D, op_nop, store_MXX ;72 ;LD (xx+d),D | |
2723 | instr fetch_E, op_nop, store_MXX ;73 ;LD (xx+d),E | |
2724 | instr fetch_H, op_nop, store_MXX ;74 ;LD (xx+d),H | |
2725 | instr fetch_L, op_nop, store_MXX ;75 ;LD (xx+d),L | |
2726 | instr fetch_nop, op_noni, store_nop ;76 ; | |
2727 | instr fetch_A, op_nop, store_MXX ;77 ;LD (xx+d),A | |
2728 | instr fetch_nop, op_noni, store_nop ;78 ; | |
2729 | instr fetch_nop, op_noni, store_nop ;79 ; | |
2730 | instr fetch_nop, op_noni, store_nop ;7A ; | |
2731 | instr fetch_nop, op_noni, store_nop ;7B ; | |
2732 | instr fetch_xH, op_nop, store_A ;7C ;LD A,xh | |
2733 | instr fetch_xL, op_nop, store_A ;7D ;LD A,xl | |
2734 | instr fetch_MXX, op_nop, store_A ;7E ;LD A,(xx+d) | |
2735 | instr fetch_nop, op_noni, store_nop ;7F ; | |
2736 | instr fetch_nop, op_noni, store_nop ;80 ; | |
2737 | instr fetch_nop, op_noni, store_nop ;81 ; | |
2738 | instr fetch_nop, op_noni, store_nop ;82 ; | |
2739 | instr fetch_nop, op_noni, store_nop ;83 ; | |
2740 | instr fetch_xH, op_ADDA, store_nop ;84 ;ADD A,xh | |
2741 | instr fetch_xL, op_ADDA, store_nop ;85 ;ADD A,xl | |
2742 | instr fetch_MXX, op_ADDA, store_nop ;86 ;ADD A,(xx) | |
2743 | instr fetch_nop, op_noni, store_nop ;87 ; | |
2744 | instr fetch_nop, op_noni, store_nop ;88 ; | |
2745 | instr fetch_nop, op_noni, store_nop ;89 ; | |
2746 | instr fetch_nop, op_noni, store_nop ;8A ; | |
2747 | instr fetch_nop, op_noni, store_nop ;8B ; | |
2748 | instr fetch_xH, op_ADCA, store_nop ;8C ;ADC A,xh | |
2749 | instr fetch_xL, op_ADCA, store_nop ;8D ;ADC A,xl | |
2750 | instr fetch_MXX, op_ADCA, store_nop ;8E ;ADC A,(xx) | |
2751 | instr fetch_nop, op_noni, store_nop ;8F ; | |
2752 | instr fetch_nop, op_noni, store_nop ;90 ; | |
2753 | instr fetch_nop, op_noni, store_nop ;91 ; | |
2754 | instr fetch_nop, op_noni, store_nop ;92 ; | |
2755 | instr fetch_nop, op_noni, store_nop ;93 ; | |
2756 | instr fetch_xH, op_SUBFA, store_nop ;94 ;SUB A,xh | |
2757 | instr fetch_xL, op_SUBFA, store_nop ;95 ;SUB A,xl | |
2758 | instr fetch_MXX, op_SUBFA, store_nop ;96 ;SUB A,(xx) | |
2759 | instr fetch_nop, op_noni, store_nop ;97 ; | |
2760 | instr fetch_nop, op_noni, store_nop ;98 ; | |
2761 | instr fetch_nop, op_noni, store_nop ;99 ; | |
2762 | instr fetch_nop, op_noni, store_nop ;9A ; | |
2763 | instr fetch_nop, op_noni, store_nop ;9B ; | |
2764 | instr fetch_xH, op_SBCFA, store_nop ;9C ;SBC A,xh | |
2765 | instr fetch_xL, op_SBCFA, store_nop ;9D ;SBC A,xl | |
2766 | instr fetch_MXX, op_SBCFA, store_nop ;9E ;SBC A,(xx) | |
2767 | instr fetch_nop, op_noni, store_nop ;9F ; | |
2768 | instr fetch_nop, op_noni, store_nop ;A0 ; | |
2769 | instr fetch_nop, op_noni, store_nop ;A1 ; | |
2770 | instr fetch_nop, op_noni, store_nop ;A2 ; | |
2771 | instr fetch_nop, op_noni, store_nop ;A3 ; | |
2772 | instr fetch_xH, op_ANDA, store_nop ;A4 ;AND A,xh | |
2773 | instr fetch_xL, op_ANDA, store_nop ;A5 ;AND A,xl | |
2774 | instr fetch_MXX, op_ANDA, store_nop ;A6 ;AND A,(xx) | |
2775 | instr fetch_nop, op_noni, store_nop ;A7 ; | |
2776 | instr fetch_nop, op_noni, store_nop ;A8 ; | |
2777 | instr fetch_nop, op_noni, store_nop ;A9 ; | |
2778 | instr fetch_nop, op_noni, store_nop ;AA ; | |
2779 | instr fetch_nop, op_noni, store_nop ;AB ; | |
2780 | instr fetch_xH, op_XORA, store_nop ;AC ;XOR A,xh | |
2781 | instr fetch_xL, op_XORA, store_nop ;AD ;XOR A,xl | |
2782 | instr fetch_MXX, op_XORA, store_nop ;AE ;XOR A,(xx) | |
2783 | instr fetch_nop, op_noni, store_nop ;AF ; | |
2784 | instr fetch_nop, op_noni, store_nop ;B0 ; | |
2785 | instr fetch_nop, op_noni, store_nop ;B1 ; | |
2786 | instr fetch_nop, op_noni, store_nop ;B2 ; | |
2787 | instr fetch_nop, op_noni, store_nop ;B3 ; | |
2788 | instr fetch_xH, op_ORA, store_nop ;B4 ;OR A,xh | |
2789 | instr fetch_xL, op_ORA, store_nop ;B5 ;OR A,xl | |
2790 | instr fetch_MXX, op_ORA, store_nop ;B6 ;OR A,(xx) | |
2791 | instr fetch_nop, op_noni, store_nop ;B7 ; | |
2792 | instr fetch_nop, op_noni, store_nop ;B8 ; | |
2793 | instr fetch_nop, op_noni, store_nop ;B9 ; | |
2794 | instr fetch_nop, op_noni, store_nop ;BA ; | |
2795 | instr fetch_nop, op_noni, store_nop ;BB ; | |
2796 | instr fetch_xH, op_CPFA, store_nop ;BC ;CP A,xh | |
2797 | instr fetch_xL, op_CPFA, store_nop ;BD ;CP A,xl | |
2798 | instr fetch_MXX, op_CPFA, store_nop ;BE ;CP A,(xx) | |
2799 | instr fetch_nop, op_noni, store_nop ;BF ; | |
2800 | instr fetch_nop, op_noni, store_nop ;C0 ; | |
2801 | instr fetch_nop, op_noni, store_nop ;C1 ; | |
2802 | instr fetch_nop, op_noni, store_nop ;C2 ; | |
2803 | instr fetch_nop, op_noni, store_nop ;C3 ; | |
2804 | instr fetch_nop, op_noni, store_nop ;C4 ; | |
2805 | instr fetch_nop, op_noni, store_nop ;C5 ; | |
2806 | instr fetch_nop, op_noni, store_nop ;C6 ; | |
2807 | instr fetch_nop, op_noni, store_nop ;C7 ; | |
2808 | instr fetch_nop, op_noni, store_nop ;C8 ; | |
2809 | instr fetch_nop, op_noni, store_nop ;C9 ; | |
2810 | instr fetch_nop, op_noni, store_nop ;CA ; | |
2811 | instr fetch_nop, op_prefixDDFDCB,store_nop ;CB ; | |
2812 | instr fetch_nop, op_noni, store_nop ;CC ; | |
2813 | instr fetch_nop, op_noni, store_nop ;CD ; | |
2814 | instr fetch_nop, op_noni, store_nop ;CE ; | |
2815 | instr fetch_nop, op_noni, store_nop ;CF ; | |
2816 | instr fetch_nop, op_noni, store_nop ;D0 ; | |
2817 | instr fetch_nop, op_noni, store_nop ;D1 ; | |
2818 | instr fetch_nop, op_noni, store_nop ;D2 ; | |
2819 | instr fetch_nop, op_noni, store_nop ;D3 ; | |
2820 | instr fetch_nop, op_noni, store_nop ;D4 ; | |
2821 | instr fetch_nop, op_noni, store_nop ;D5 ; | |
2822 | instr fetch_nop, op_noni, store_nop ;D6 ; | |
2823 | instr fetch_nop, op_noni, store_nop ;D7 ; | |
2824 | instr fetch_nop, op_noni, store_nop ;D8 ; | |
2825 | instr fetch_nop, op_noni, store_nop ;D9 ; | |
2826 | instr fetch_nop, op_noni, store_nop ;DA ; | |
2827 | instr fetch_nop, op_noni, store_nop ;DB ; | |
2828 | instr fetch_nop, op_noni, store_nop ;DC ; | |
2829 | instr fetch_nop, op_noni, store_nop ;DD ; | |
2830 | instr fetch_nop, op_noni, store_nop ;DE ; | |
2831 | instr fetch_nop, op_noni, store_nop ;DF ; | |
2832 | instr fetch_nop, op_noni, store_nop ;E0 ; | |
2833 | instr fetch_nop, op_POP16, store_xx ;E1 ;POP xx | |
2834 | instr fetch_nop, op_noni, store_nop ;E2 ; | |
2835 | instr fetch_MSP, op_EXxx, store_MSP ;E3 ;EX (SP),xx | |
2836 | instr fetch_nop, op_noni, store_nop ;E4 ; | |
2837 | instr fetch_xx, op_PUSH16, store_nop ;E5 ;PUSH xx | |
2838 | instr fetch_nop, op_noni, store_nop ;E6 ; | |
2839 | instr fetch_nop, op_noni, store_nop ;E7 ; | |
2840 | instr fetch_nop, op_noni, store_nop ;E8 ; | |
2841 | instr fetch_xx, op_nop, store_PC ;E9 ;JP xx | |
2842 | instr fetch_nop, op_noni, store_nop ;EA ; | |
2843 | instr fetch_nop, op_noni, store_nop ;EB ; | |
2844 | instr fetch_nop, op_noni, store_nop ;EC ; | |
2845 | instr fetch_nop, op_noni, store_nop ;ED ; | |
2846 | instr fetch_nop, op_noni, store_nop ;EE ; | |
2847 | instr fetch_nop, op_noni, store_nop ;EF ; | |
2848 | instr fetch_nop, op_noni, store_nop ;F0 ; | |
2849 | instr fetch_nop, op_noni, store_nop ;F1 ; | |
2850 | instr fetch_nop, op_noni, store_nop ;F2 ; | |
2851 | instr fetch_nop, op_noni, store_nop ;F3 ; | |
2852 | instr fetch_nop, op_noni, store_nop ;F4 ; | |
2853 | instr fetch_nop, op_noni, store_nop ;F5 ; | |
2854 | instr fetch_nop, op_noni, store_nop ;F6 ; | |
2855 | instr fetch_nop, op_noni, store_nop ;F7 ; | |
2856 | instr fetch_nop, op_noni, store_nop ;F8 ; | |
2857 | instr fetch_xx, op_nop, store_SP ;F9 ;LD SP,xx | |
2858 | instr fetch_nop, op_noni, store_nop ;FA ; | |
2859 | instr fetch_nop, op_noni, store_nop ;FB ; | |
2860 | instr fetch_nop, op_noni, store_nop ;FC ; | |
2861 | instr fetch_nop, op_noni, store_nop ;FD ; | |
2862 | instr fetch_nop, op_noni, store_nop ;FE ; | |
2863 | instr fetch_nop, op_noni, store_nop ;FF ; | |
2217c855 | 2864 | |
2217c855 | 2865 | |
e7a0f403 L |
2866 | |
2867 | ;---------------------------------------------------------------- | |
2868 | ;|Mnemonic |SZHPNC|Description |Notes | | |
2869 | ;---------------------------------------------------------------- | |
623dd899 L |
2870 | ;|RLC m |**0P0*|Rotate Left Circular |m=m<- | |
2871 | ;|RRC m |**0P0*|Rotate Right Circular|m=->m | | |
2872 | ;|RL m |**0P0*|Rotate Left |m={CY,m}<- | | |
2873 | ;|RR m |**0P0*|Rotate Right |m=->{CY,m} | | |
2874 | ;|SLA m |**0P0*|Shift Left Arithmetic|m=m*2 | | |
2875 | ;|SRA m |**0P0*|Shift Right Arith. |m=m/2 | | |
2876 | ;|SLL m |**0P0*|Shift Right Logical | | |
2877 | ;|SRL m |**0P0*|Shift Right Logical |m=->{0,m,CY} | | |
e7a0f403 | 2878 | |
2217c855 | 2879 | |
623dd899 | 2880 | checkspace PC, 9 |
2217c855 | 2881 | |
623dd899 | 2882 | do_op_rlc: |
4bd49b80 | 2883 | ;Rotate Left Cyclical. All bits move 1 to the |
623dd899 L |
2884 | ;left, the msb becomes c and lsb. |
2885 | clr temp | |
2886 | lsl opl | |
2887 | adc temp,_0 | |
2888 | or opl,temp | |
4bd49b80 | 2889 | ldpmx z_flags,sz53p_tab,opl ;S,Z,H,P,N |
623dd899 | 2890 | or z_flags,temp |
2217c855 L |
2891 | ret |
2892 | ||
623dd899 L |
2893 | checkspace PC, 9 |
2894 | ||
4bd49b80 L |
2895 | do_op_rrc: |
2896 | ;Rotate Right Cyclical. All bits move 1 to the | |
623dd899 L |
2897 | ;right, the lsb becomes c and msb. |
2898 | lsr opl | |
2899 | brcc PC+2 | |
2900 | ori opl,0x80 | |
4bd49b80 | 2901 | ldpmx z_flags,sz53p_tab,opl ;S,Z,H,P,N |
623dd899 | 2902 | bmov z_flags,ZFL_C, opl,7 |
e7a0f403 L |
2903 | ret |
2904 | ||
2217c855 | 2905 | |
623dd899 | 2906 | checkspace PC, 11 |
e7a0f403 | 2907 | |
623dd899 | 2908 | do_op_rl: |
4bd49b80 | 2909 | ;Rotate Left. All bits move 1 to the left, the msb |
623dd899 L |
2910 | ;becomes c, c becomes lsb. |
2911 | clc | |
2912 | sbrc z_flags,ZFL_C | |
2913 | sec | |
2914 | rol opl | |
2915 | in temp,sreg | |
4bd49b80 | 2916 | ldpmx z_flags,sz53p_tab,opl ;S,Z,H,P,N |
623dd899 | 2917 | bmov z_flags,ZFL_C, temp,AVR_C |
e7a0f403 L |
2918 | ret |
2919 | ||
e7a0f403 | 2920 | |
5c8bb361 | 2921 | checkspace PC, 10 |
99034156 | 2922 | |
623dd899 | 2923 | do_op_rr: |
4bd49b80 | 2924 | ;Rotate Right. All bits move 1 to the right, the lsb |
623dd899 L |
2925 | ;becomes c, c becomes msb. |
2926 | ||
2927 | ror opl | |
2928 | in temp,sreg ;CY | |
2929 | bmov opl,7, z_flags,ZFL_C ;old CY --> Bit 7 | |
4bd49b80 | 2930 | ldpmx z_flags,sz53p_tab,opl ;S,Z,H,P,N |
623dd899 | 2931 | bmov z_flags,ZFL_C, temp,AVR_C ; |
99034156 L |
2932 | ret |
2933 | ||
5c8bb361 | 2934 | checkspace PC, 9 |
623dd899 L |
2935 | |
2936 | do_op_sla: | |
2937 | lsl opl | |
2938 | in temp,sreg | |
4bd49b80 | 2939 | ldpmx z_flags,sz53p_tab,opl ;S,Z,H,P,N |
623dd899 | 2940 | bmov z_flags,ZFL_C, temp,AVR_C ; |
99034156 L |
2941 | ret |
2942 | ||
5c8bb361 | 2943 | checkspace PC, 11 |
623dd899 L |
2944 | |
2945 | do_op_sra: | |
2946 | lsr opl | |
2947 | in temp,sreg | |
2948 | bmov opl,7, opl,6 ;old CY --> Bit 7 | |
4bd49b80 | 2949 | ldpmx z_flags,sz53p_tab,opl ;S,Z,H,P,N |
623dd899 | 2950 | bmov z_flags,ZFL_C, temp,AVR_C ; |
99034156 L |
2951 | ret |
2952 | ||
623dd899 L |
2953 | checkspace PC, 9 |
2954 | ||
2955 | do_op_sll: | |
2956 | sec | |
2957 | rol opl | |
2958 | in temp,sreg | |
4bd49b80 | 2959 | ldpmx z_flags,sz53p_tab,opl ;S,Z,H,P,N |
623dd899 | 2960 | bmov z_flags,ZFL_C, temp,AVR_C ; |
99034156 L |
2961 | ret |
2962 | ||
623dd899 L |
2963 | checkspace PC, 8 |
2964 | ||
2965 | do_op_srl: | |
2966 | lsr opl | |
2967 | in temp,sreg | |
4bd49b80 | 2968 | ldpmx z_flags,sz53p_tab,opl ;S,Z,H,P,N |
623dd899 | 2969 | bmov z_flags,ZFL_C, temp,AVR_C ; |
99034156 L |
2970 | ret |
2971 | ||
2972 | ;---------------------------------------------------------------- | |
2973 | ;|Mnemonic |SZHPNC|Description |Notes | | |
2974 | ;---------------------------------------------------------------- | |
623dd899 L |
2975 | ;|BIT b,m |?*1?0-|Test Bit |m&{2^b} | |
2976 | ;|RES b,m |------|Reset bit |m=m&{~2^b} | | |
2977 | ;|SET b,m |------|Set bit |m=mv{2^b} | | |
99034156 | 2978 | |
99034156 | 2979 | |
5c8bb361 | 2980 | checkspace PC, 2 |
623dd899 L |
2981 | do_op_BIT7: |
2982 | ldi temp,0x80 | |
2983 | rjmp opbit | |
5c8bb361 | 2984 | checkspace PC, 2 |
623dd899 L |
2985 | do_op_BIT6: |
2986 | ldi temp,0x40 | |
2987 | rjmp opbit | |
5c8bb361 | 2988 | checkspace PC, 2 |
623dd899 L |
2989 | do_op_BIT5: |
2990 | ldi temp,0x20 | |
2991 | rjmp opbit | |
5c8bb361 | 2992 | checkspace PC, 2 |
623dd899 L |
2993 | do_op_BIT4: |
2994 | ldi temp,0x10 | |
2995 | rjmp opbit | |
5c8bb361 | 2996 | checkspace PC, 2 |
623dd899 L |
2997 | do_op_BIT3: |
2998 | ldi temp,0x08 | |
2999 | rjmp opbit | |
5c8bb361 | 3000 | checkspace PC, 2 |
623dd899 L |
3001 | do_op_BIT2: |
3002 | ldi temp,0x04 | |
3003 | rjmp opbit | |
5c8bb361 | 3004 | checkspace PC, 2 |
623dd899 L |
3005 | do_op_BIT1: |
3006 | ldi temp,0x02 | |
3007 | rjmp opbit | |
825ecc9d L |
3008 | |
3009 | checkspace PC, 7 | |
623dd899 L |
3010 | do_op_BIT0: |
3011 | ldi temp,0x01 | |
3012 | opbit: | |
825ecc9d | 3013 | andi z_flags,~((1<<ZFL_N)|(1<<ZFL_Z)) |
623dd899 | 3014 | ori z_flags,(1<<ZFL_H) |
825ecc9d L |
3015 | and temp,opl |
3016 | brne opbite | |
3017 | ori z_flags,(1<<ZFL_Z) | |
3018 | opbite: | |
99034156 L |
3019 | ret |
3020 | ||
99034156 | 3021 | |
623dd899 L |
3022 | .macro m_do_op_RES7 |
3023 | andi opl,~0x80 | |
3024 | .endm | |
3025 | .equ do_op_RES7 = 0 | |
3026 | ; andi opl,~0x80 | |
3027 | ; ret | |
99034156 | 3028 | |
623dd899 L |
3029 | .macro m_do_op_RES6 |
3030 | andi opl,~0x40 | |
3031 | .endm | |
3032 | .equ do_op_RES6 = 0 | |
3033 | ; andi opl,~0x40 | |
3034 | ; ret | |
3035 | ||
3036 | .macro m_do_op_RES5 | |
3037 | andi opl,~0x20 | |
3038 | .endm | |
3039 | .equ do_op_RES5 = 0 | |
3040 | ; andi opl,~0x20 | |
3041 | ; ret | |
3042 | ||
3043 | .macro m_do_op_RES4 | |
3044 | andi opl,~0x10 | |
3045 | .endm | |
3046 | .equ do_op_RES4 = 0 | |
3047 | ; andi opl,~0x10 | |
3048 | ; ret | |
3049 | ||
3050 | .macro m_do_op_RES3 | |
3051 | andi opl,~0x08 | |
3052 | .endm | |
3053 | .equ do_op_RES3 = 0 | |
3054 | ; andi opl,~0x08 | |
3055 | ; ret | |
3056 | ||
3057 | .macro m_do_op_RES2 | |
3058 | andi opl,~0x04 | |
3059 | .endm | |
3060 | .equ do_op_RES2 = 0 | |
3061 | ; andi opl,~0x04 | |
3062 | ; ret | |
3063 | ||
3064 | .macro m_do_op_RES1 | |
3065 | andi opl,~0x02 | |
3066 | .endm | |
3067 | .equ do_op_RES1 = 0 | |
3068 | ; andi opl,~0x02 | |
3069 | ; ret | |
3070 | ||
3071 | .macro m_do_op_RES0 | |
3072 | andi opl,~0x01 | |
3073 | .endm | |
3074 | .equ do_op_RES0 = 0 | |
3075 | ; andi opl,~0x01 | |
3076 | ; ret | |
3077 | ||
3078 | .macro m_do_op_SET7 | |
3079 | ori opl,0x80 | |
3080 | .endm | |
3081 | .equ do_op_SET7 = 0 | |
3082 | ; ori opl,0x80 | |
3083 | ; ret | |
3084 | ||
3085 | .macro m_do_op_SET6 | |
3086 | ori opl,0x40 | |
3087 | .endm | |
3088 | .equ do_op_SET6 = 0 | |
3089 | ; ori opl,0x40 | |
3090 | ; ret | |
3091 | ||
3092 | .macro m_do_op_SET5 | |
3093 | ori opl,0x20 | |
3094 | .endm | |
3095 | .equ do_op_SET5 = 0 | |
3096 | ; ori opl,0x20 | |
3097 | ; ret | |
3098 | ||
3099 | .macro m_do_op_SET4 | |
3100 | ori opl,0x10 | |
3101 | .endm | |
3102 | .equ do_op_SET4 = 0 | |
3103 | ; ori opl,0x10 | |
3104 | ; ret | |
3105 | ||
3106 | .macro m_do_op_SET3 | |
3107 | ori opl,0x08 | |
3108 | .endm | |
3109 | .equ do_op_SET3 = 0 | |
3110 | ; ori opl,0x08 | |
3111 | ; ret | |
3112 | ||
3113 | .macro m_do_op_SET2 | |
3114 | ori opl,0x04 | |
3115 | .endm | |
3116 | .equ do_op_SET2 = 0 | |
3117 | ; ori opl,0x04 | |
3118 | ; ret | |
3119 | ||
3120 | .macro m_do_op_SET1 | |
3121 | ori opl,0x02 | |
3122 | .endm | |
3123 | .equ do_op_SET1 = 0 | |
3124 | ; ori opl,0x02 | |
3125 | ; ret | |
3126 | ||
3127 | .macro m_do_op_SET0 | |
3128 | ori opl,0x01 | |
3129 | .endm | |
3130 | .equ do_op_SET0 = 0 | |
3131 | ; ori opl,0x01 | |
3132 | ; ret | |
3133 | ||
3134 | ||
4bd49b80 | 3135 | ;.macro m_do_store_b |
623dd899 L |
3136 | ; std y+oz_b,opl |
3137 | ;.endm | |
3138 | ;.equ do_store_b = 0 | |
5c8bb361 | 3139 | checkspace PC, 2 |
623dd899 | 3140 | do_store2_b: |
825ecc9d | 3141 | mov z_b,opl |
99034156 L |
3142 | ret |
3143 | ||
5c8bb361 | 3144 | checkspace PC, 2 |
623dd899 | 3145 | do_store2_c: |
825ecc9d | 3146 | mov z_c,opl |
623dd899 | 3147 | ret |
e7a0f403 | 3148 | |
5c8bb361 | 3149 | checkspace PC, 2 |
623dd899 | 3150 | do_store2_d: |
825ecc9d | 3151 | mov z_d,opl |
623dd899 | 3152 | ret |
fa9059af | 3153 | |
5c8bb361 | 3154 | checkspace PC, 2 |
623dd899 | 3155 | do_store2_e: |
825ecc9d | 3156 | mov z_e,opl |
623dd899 | 3157 | ret |
fa9059af | 3158 | |
5c8bb361 | 3159 | checkspace PC, 2 |
623dd899 | 3160 | do_store2_h: |
825ecc9d | 3161 | mov z_h,opl |
623dd899 | 3162 | ret |
fa9059af | 3163 | |
5c8bb361 | 3164 | checkspace PC, 2 |
623dd899 | 3165 | do_store2_l: |
825ecc9d | 3166 | mov z_l,opl |
623dd899 | 3167 | ret |
fa9059af | 3168 | |
5c8bb361 | 3169 | checkspace PC, 2 |
623dd899 L |
3170 | do_store2_a: |
3171 | mov z_a,opl | |
fb050095 L |
3172 | ret |
3173 | ||
5c8bb361 | 3174 | checkspace PC, 4 |
623dd899 | 3175 | do_fetch2_mhl: |
bca3519f L |
3176 | ; movw x,z_l |
3177 | mem_read_ds opl, z_hl | |
fb050095 L |
3178 | ret |
3179 | ||
623dd899 | 3180 | opctable CBjmp, PC ;+256 |
fa9059af | 3181 | |
fb050095 L |
3182 | instr fetch_B, op_RLC, store2_B ;00 ;RLC B |
3183 | instr fetch_C, op_RLC, store2_C ;01 ;RLC C | |
3184 | instr fetch_D, op_RLC, store2_D ;02 ;RLC D | |
3185 | instr fetch_E, op_RLC, store2_E ;03 ;RLC E | |
3186 | instr fetch_H, op_RLC, store2_H ;04 ;RLC H | |
3187 | instr fetch_L, op_RLC, store2_L ;05 ;RLC L | |
3188 | instr fetch2_mhl, op_RLC, store_MHL ;06 ;RLC (HL) | |
3189 | instr fetch_A, op_RLC, store2_A ;07 ;RLC A | |
3190 | instr fetch_B, op_RRC, store2_B ;08 ;RRC B | |
3191 | instr fetch_C, op_RRC, store2_C ;09 ;RRC C | |
3192 | instr fetch_D, op_RRC, store2_D ;0A ;RRC D | |
3193 | instr fetch_E, op_RRC, store2_E ;0B ;RRC E | |
3194 | instr fetch_H, op_RRC, store2_H ;0C ;RRC H | |
3195 | instr fetch_L, op_RRC, store2_L ;0D ;RRC L | |
3196 | instr fetch2_mhl, op_RRC, store_MHL ;0E ;RRC (HL) | |
3197 | instr fetch_A, op_RRC, store2_A ;0F ;RRC A | |
3198 | instr fetch_B, op_RL, store2_B ;10 ;RL B | |
3199 | instr fetch_C, op_RL, store2_C ;11 ;RL C | |
3200 | instr fetch_D, op_RL, store2_D ;12 ;RL D | |
3201 | instr fetch_E, op_RL, store2_E ;13 ;RL E | |
3202 | instr fetch_H, op_RL, store2_H ;14 ;RL H | |
3203 | instr fetch_L, op_RL, store2_L ;15 ;RL L | |
3204 | instr fetch2_mhl, op_RL, store_MHL ;16 ;RL (HL) | |
3205 | instr fetch_A, op_RL, store2_A ;17 ;RL A | |
3206 | instr fetch_B, op_RR, store2_B ;18 ;RR B | |
3207 | instr fetch_C, op_RR, store2_C ;19 ;RR C | |
3208 | instr fetch_D, op_RR, store2_D ;1A ;RR D | |
3209 | instr fetch_E, op_RR, store2_E ;1B ;RR E | |
3210 | instr fetch_H, op_RR, store2_H ;1C ;RR H | |
3211 | instr fetch_L, op_RR, store2_L ;1D ;RR L | |
3212 | instr fetch2_mhl, op_RR, store_MHL ;1E ;RR (HL) | |
3213 | instr fetch_A, op_RR, store2_A ;1F ;RR A | |
3214 | instr fetch_B, op_SLA, store2_B ;20 ;SLA B | |
3215 | instr fetch_C, op_SLA, store2_C ;21 ;SLA C | |
3216 | instr fetch_D, op_SLA, store2_D ;22 ;SLA D | |
3217 | instr fetch_E, op_SLA, store2_E ;23 ;SLA E | |
3218 | instr fetch_H, op_SLA, store2_H ;24 ;SLA H | |
3219 | instr fetch_L, op_SLA, store2_L ;25 ;SLA L | |
3220 | instr fetch2_mhl, op_SLA, store_MHL ;26 ;SLA (HL) | |
3221 | instr fetch_A, op_SLA, store2_A ;27 ;SLA A | |
3222 | instr fetch_B, op_SRA, store2_B ;28 ;SRA B | |
3223 | instr fetch_C, op_SRA, store2_C ;29 ;SRA C | |
3224 | instr fetch_D, op_SRA, store2_D ;2A ;SRA D | |
3225 | instr fetch_E, op_SRA, store2_E ;2B ;SRA E | |
3226 | instr fetch_H, op_SRA, store2_H ;2C ;SRA H | |
3227 | instr fetch_L, op_SRA, store2_L ;2D ;SRA L | |
3228 | instr fetch2_mhl, op_SRA, store_MHL ;2E ;SRA (HL) | |
3229 | instr fetch_A, op_SRA, store2_A ;2F ;SRA A | |
3230 | instr fetch_B, op_SLL, store2_B ;30 ;SLL B | |
3231 | instr fetch_C, op_SLL, store2_C ;31 ;SLL C | |
3232 | instr fetch_D, op_SLL, store2_D ;32 ;SLL D | |
3233 | instr fetch_E, op_SLL, store2_E ;33 ;SLL E | |
3234 | instr fetch_H, op_SLL, store2_H ;34 ;SLL H | |
3235 | instr fetch_L, op_SLL, store2_L ;35 ;SLL L | |
3236 | instr fetch2_mhl, op_SLL, store_MHL ;36 ;SLL (HL) | |
3237 | instr fetch_A, op_SLL, store2_A ;37 ;SLL A | |
3238 | instr fetch_B, op_SRL, store2_B ;38 ;SRL B | |
3239 | instr fetch_C, op_SRL, store2_C ;39 ;SRL C | |
3240 | instr fetch_D, op_SRL, store2_D ;3A ;SRL D | |
3241 | instr fetch_E, op_SRL, store2_E ;3B ;SRL E | |
3242 | instr fetch_H, op_SRL, store2_H ;3C ;SRL H | |
3243 | instr fetch_L, op_SRL, store2_L ;3D ;SRL L | |
3244 | instr fetch2_mhl, op_SRL, store_MHL ;3E ;SRL (HL) | |
3245 | instr fetch_A, op_SRL, store2_A ;3F ;SRL A | |
4c92af0d L |
3246 | instr fetch_B, op_BIT0, store_nop ;40 ;BIT 0,B |
3247 | instr fetch_C, op_BIT0, store_nop ;41 ;BIT 0,C | |
3248 | instr fetch_D, op_BIT0, store_nop ;42 ;BIT 0,D | |
3249 | instr fetch_E, op_BIT0, store_nop ;43 ;BIT 0,E | |
3250 | instr fetch_H, op_BIT0, store_nop ;44 ;BIT 0,H | |
3251 | instr fetch_L, op_BIT0, store_nop ;45 ;BIT 0,L | |
fb050095 | 3252 | instr fetch2_mhl, op_BIT0, store_nop ;46 ;BIT 0,(HL) |
4bd49b80 | 3253 | instr fetch_A, op_BIT0, store_nop ;47 ;BIT 0,A |
4c92af0d L |
3254 | instr fetch_B, op_BIT1, store_nop ;48 ;BIT 1,B |
3255 | instr fetch_C, op_BIT1, store_nop ;49 ;BIT 1,C | |
3256 | instr fetch_D, op_BIT1, store_nop ;4A ;BIT 1,D | |
3257 | instr fetch_E, op_BIT1, store_nop ;4B ;BIT 1,E | |
3258 | instr fetch_H, op_BIT1, store_nop ;4C ;BIT 1,H | |
3259 | instr fetch_L, op_BIT1, store_nop ;4D ;BIT 1,L | |
fb050095 | 3260 | instr fetch2_mhl, op_BIT1, store_nop ;4E ;BIT 1,(HL) |
4c92af0d L |
3261 | instr fetch_A, op_BIT1, store_nop ;4F ;BIT 1,A |
3262 | instr fetch_B, op_BIT2, store_nop ;50 ;BIT 2,B | |
3263 | instr fetch_C, op_BIT2, store_nop ;51 ;BIT 2,C | |
3264 | instr fetch_D, op_BIT2, store_nop ;52 ;BIT 2,D | |
3265 | instr fetch_E, op_BIT2, store_nop ;53 ;BIT 2,E | |
3266 | instr fetch_H, op_BIT2, store_nop ;54 ;BIT 2,H | |
3267 | instr fetch_L, op_BIT2, store_nop ;55 ;BIT 2,L | |
fb050095 | 3268 | instr fetch2_mhl, op_BIT2, store_nop ;56 ;BIT 2,(HL) |
4c92af0d L |
3269 | instr fetch_A, op_BIT2, store_nop ;57 ;BIT 2,A |
3270 | instr fetch_B, op_BIT3, store_nop ;58 ;BIT 3,B | |
3271 | instr fetch_C, op_BIT3, store_nop ;59 ;BIT 3,C | |
3272 | instr fetch_D, op_BIT3, store_nop ;5A ;BIT 3,D | |
3273 | instr fetch_E, op_BIT3, store_nop ;5B ;BIT 3,E | |
3274 | instr fetch_H, op_BIT3, store_nop ;5C ;BIT 3,H | |
3275 | instr fetch_L, op_BIT3, store_nop ;5D ;BIT 3,L | |
fb050095 | 3276 | instr fetch2_mhl, op_BIT3, store_nop ;5E ;BIT 3,(HL) |
4c92af0d L |
3277 | instr fetch_A, op_BIT3, store_nop ;5F ;BIT 3,A |
3278 | instr fetch_B, op_BIT4, store_nop ;60 ;BIT 4,B | |
3279 | instr fetch_C, op_BIT4, store_nop ;61 ;BIT 4,C | |
3280 | instr fetch_D, op_BIT4, store_nop ;62 ;BIT 4,D | |
3281 | instr fetch_E, op_BIT4, store_nop ;63 ;BIT 4,E | |
3282 | instr fetch_H, op_BIT4, store_nop ;64 ;BIT 4,H | |
3283 | instr fetch_L, op_BIT4, store_nop ;65 ;BIT 4,L | |
fb050095 | 3284 | instr fetch2_mhl, op_BIT4, store_nop ;66 ;BIT 4,(HL) |
4c92af0d L |
3285 | instr fetch_A, op_BIT4, store_nop ;67 ;BIT 4,A |
3286 | instr fetch_B, op_BIT5, store_nop ;68 ;BIT 5,B | |
3287 | instr fetch_C, op_BIT5, store_nop ;69 ;BIT 5,C | |
3288 | instr fetch_D, op_BIT5, store_nop ;6A ;BIT 5,D | |
3289 | instr fetch_E, op_BIT5, store_nop ;6B ;BIT 5,E | |
3290 | instr fetch_H, op_BIT5, store_nop ;6C ;BIT 5,H | |
3291 | instr fetch_L, op_BIT5, store_nop ;6D ;BIT 5,L | |
fb050095 | 3292 | instr fetch2_mhl, op_BIT5, store_nop ;6E ;BIT 5,(HL) |
4c92af0d L |
3293 | instr fetch_A, op_BIT5, store_nop ;6F ;BIT 5,A |
3294 | instr fetch_B, op_BIT6, store_nop ;70 ;BIT 6,B | |
3295 | instr fetch_C, op_BIT6, store_nop ;71 ;BIT 6,C | |
3296 | instr fetch_D, op_BIT6, store_nop ;72 ;BIT 6,D | |
3297 | instr fetch_E, op_BIT6, store_nop ;73 ;BIT 6,E | |
3298 | instr fetch_H, op_BIT6, store_nop ;74 ;BIT 6,H | |
3299 | instr fetch_L, op_BIT6, store_nop ;75 ;BIT 6,L | |
fb050095 | 3300 | instr fetch2_mhl, op_BIT6, store_nop ;76 ;BIT 6,(HL) |
4c92af0d L |
3301 | instr fetch_A, op_BIT6, store_nop ;77 ;BIT 6,A |
3302 | instr fetch_B, op_BIT7, store_nop ;78 ;BIT 7,B | |
3303 | instr fetch_C, op_BIT7, store_nop ;79 ;BIT 7,C | |
3304 | instr fetch_D, op_BIT7, store_nop ;7A ;BIT 7,D | |
3305 | instr fetch_E, op_BIT7, store_nop ;7B ;BIT 7,E | |
3306 | instr fetch_H, op_BIT7, store_nop ;7C ;BIT 7,H | |
3307 | instr fetch_L, op_BIT7, store_nop ;7D ;BIT 7,L | |
fb050095 | 3308 | instr fetch2_mhl, op_BIT7, store_nop ;7E ;BIT 7,(HL) |
4c92af0d | 3309 | instr fetch_A, op_BIT7, store_nop ;7F ;BIT 7,A |
fb050095 L |
3310 | instr fetch_B, op_RES0, store2_B ;80 ;RES 0,B |
3311 | instr fetch_C, op_RES0, store2_C ;81 ;RES 0,C | |
3312 | instr fetch_D, op_RES0, store2_D ;82 ;RES 0,D | |
3313 | instr fetch_E, op_RES0, store2_E ;83 ;RES 0,E | |
3314 | instr fetch_H, op_RES0, store2_H ;84 ;RES 0,H | |
3315 | instr fetch_L, op_RES0, store2_L ;85 ;RES 0,L | |
3316 | instr fetch2_mhl, op_RES0, store_MHL ;86 ;RES 0,(HL) | |
3317 | instr fetch_A, op_RES0, store2_A ;87 ;RES 0,A | |
3318 | instr fetch_B, op_RES1, store2_B ;88 ;RES 1,B | |
3319 | instr fetch_C, op_RES1, store2_C ;89 ;RES 1,C | |
3320 | instr fetch_D, op_RES1, store2_D ;8A ;RES 1,D | |
3321 | instr fetch_E, op_RES1, store2_E ;8B ;RES 1,E | |
3322 | instr fetch_H, op_RES1, store2_H ;8C ;RES 1,H | |
3323 | instr fetch_L, op_RES1, store2_L ;8D ;RES 1,L | |
3324 | instr fetch2_mhl, op_RES1, store_MHL ;8E ;RES 1,(HL) | |
3325 | instr fetch_A, op_RES1, store2_A ;8F ;RES 1,A | |
3326 | instr fetch_B, op_RES2, store2_B ;90 ;RES 2,B | |
3327 | instr fetch_C, op_RES2, store2_C ;91 ;RES 2,C | |
3328 | instr fetch_D, op_RES2, store2_D ;92 ;RES 2,D | |
3329 | instr fetch_E, op_RES2, store2_E ;93 ;RES 2,E | |
3330 | instr fetch_H, op_RES2, store2_H ;94 ;RES 2,H | |
3331 | instr fetch_L, op_RES2, store2_L ;95 ;RES 2,L | |
3332 | instr fetch2_mhl, op_RES2, store_MHL ;96 ;RES 2,(HL) | |
3333 | instr fetch_A, op_RES2, store2_A ;97 ;RES 2,A | |
3334 | instr fetch_B, op_RES3, store2_B ;98 ;RES 3,B | |
3335 | instr fetch_C, op_RES3, store2_C ;99 ;RES 3,C | |
3336 | instr fetch_D, op_RES3, store2_D ;9A ;RES 3,D | |
3337 | instr fetch_E, op_RES3, store2_E ;9B ;RES 3,E | |
3338 | instr fetch_H, op_RES3, store2_H ;9C ;RES 3,H | |
3339 | instr fetch_L, op_RES3, store2_L ;9D ;RES 3,L | |
3340 | instr fetch2_mhl, op_RES3, store_MHL ;9E ;RES 3,(HL) | |
3341 | instr fetch_A, op_RES3, store2_A ;9F ;RES 3,A | |
3342 | instr fetch_B, op_RES4, store2_B ;A0 ;RES 4,B | |
3343 | instr fetch_C, op_RES4, store2_C ;A1 ;RES 4,C | |
3344 | instr fetch_D, op_RES4, store2_D ;A2 ;RES 4,D | |
3345 | instr fetch_E, op_RES4, store2_E ;A3 ;RES 4,E | |
3346 | instr fetch_H, op_RES4, store2_H ;A4 ;RES 4,H | |
3347 | instr fetch_L, op_RES4, store2_L ;A5 ;RES 4,L | |
3348 | instr fetch2_mhl, op_RES4, store_MHL ;A6 ;RES 4,(HL) | |
3349 | instr fetch_A, op_RES4, store2_A ;A7 ;RES 4,A | |
3350 | instr fetch_B, op_RES5, store2_B ;A8 ;RES 5,B | |
3351 | instr fetch_C, op_RES5, store2_C ;A9 ;RES 5,C | |
3352 | instr fetch_D, op_RES5, store2_D ;AA ;RES 5,D | |
3353 | instr fetch_E, op_RES5, store2_E ;AB ;RES 5,E | |
3354 | instr fetch_H, op_RES5, store2_H ;AC ;RES 5,H | |
3355 | instr fetch_L, op_RES5, store2_L ;AD ;RES 5,L | |
3356 | instr fetch2_mhl, op_RES5, store_MHL ;AE ;RES 5,(HL) | |
3357 | instr fetch_A, op_RES5, store2_A ;AF ;RES 5,A | |
3358 | instr fetch_B, op_RES6, store2_B ;B0 ;RES 6,B | |
3359 | instr fetch_C, op_RES6, store2_C ;B1 ;RES 6,C | |
3360 | instr fetch_D, op_RES6, store2_D ;B2 ;RES 6,D | |
3361 | instr fetch_E, op_RES6, store2_E ;B3 ;RES 6,E | |
3362 | instr fetch_H, op_RES6, store2_H ;B4 ;RES 6,H | |
3363 | instr fetch_L, op_RES6, store2_L ;B5 ;RES 6,L | |
3364 | instr fetch2_mhl, op_RES6, store_MHL ;B6 ;RES 6,(HL) | |
3365 | instr fetch_A, op_RES6, store2_A ;B7 ;RES 6,A | |
3366 | instr fetch_B, op_RES7, store2_B ;B8 ;RES 7,B | |
3367 | instr fetch_C, op_RES7, store2_C ;B9 ;RES 7,C | |
3368 | instr fetch_D, op_RES7, store2_D ;BA ;RES 7,D | |
3369 | instr fetch_E, op_RES7, store2_E ;BB ;RES 7,E | |
3370 | instr fetch_H, op_RES7, store2_H ;BC ;RES 7,H | |
3371 | instr fetch_L, op_RES7, store2_L ;BD ;RES 7,L | |
3372 | instr fetch2_mhl, op_RES7, store_MHL ;BE ;RES 7,(HL) | |
3373 | instr fetch_A, op_RES7, store2_A ;BF ;RES 7,A | |
3374 | instr fetch_B, op_SET0, store2_B ;C0 ;SET 0,B | |
3375 | instr fetch_C, op_SET0, store2_C ;C1 ;SET 0,C | |
3376 | instr fetch_D, op_SET0, store2_D ;C2 ;SET 0,D | |
3377 | instr fetch_E, op_SET0, store2_E ;C3 ;SET 0,E | |
3378 | instr fetch_H, op_SET0, store2_H ;C4 ;SET 0,H | |
3379 | instr fetch_L, op_SET0, store2_L ;C5 ;SET 0,L | |
3380 | instr fetch2_mhl, op_SET0, store_MHL ;C6 ;SET 0,(HL) | |
3381 | instr fetch_A, op_SET0, store2_A ;C7 ;SET 0,A | |
3382 | instr fetch_B, op_SET1, store2_B ;C8 ;SET 1,B | |
3383 | instr fetch_C, op_SET1, store2_C ;C9 ;SET 1,C | |
3384 | instr fetch_D, op_SET1, store2_D ;CA ;SET 1,D | |
3385 | instr fetch_E, op_SET1, store2_E ;CB ;SET 1,E | |
3386 | instr fetch_H, op_SET1, store2_H ;CC ;SET 1,H | |
3387 | instr fetch_L, op_SET1, store2_L ;CD ;SET 1,L | |
3388 | instr fetch2_mhl, op_SET1, store_MHL ;CE ;SET 1,(HL) | |
3389 | instr fetch_A, op_SET1, store2_A ;CF ;SET 1,A | |
3390 | instr fetch_B, op_SET2, store2_B ;D0 ;SET 2,B | |
3391 | instr fetch_C, op_SET2, store2_C ;D1 ;SET 2,C | |
3392 | instr fetch_D, op_SET2, store2_D ;D2 ;SET 2,D | |
3393 | instr fetch_E, op_SET2, store2_E ;D3 ;SET 2,E | |
3394 | instr fetch_H, op_SET2, store2_H ;D4 ;SET 2,H | |
3395 | instr fetch_L, op_SET2, store2_L ;D5 ;SET 2,L | |
3396 | instr fetch2_mhl, op_SET2, store_MHL ;D6 ;SET 2,(HL) | |
3397 | instr fetch_A, op_SET2, store2_A ;D7 ;SET 2,A | |
3398 | instr fetch_B, op_SET3, store2_B ;D8 ;SET 3,B | |
3399 | instr fetch_C, op_SET3, store2_C ;D9 ;SET 3,C | |
3400 | instr fetch_D, op_SET3, store2_D ;DA ;SET 3,D | |
3401 | instr fetch_E, op_SET3, store2_E ;DB ;SET 3,E | |
3402 | instr fetch_H, op_SET3, store2_H ;DC ;SET 3,H | |
3403 | instr fetch_L, op_SET3, store2_L ;DD ;SET 3,L | |
3404 | instr fetch2_mhl, op_SET3, store_MHL ;DE ;SET 3,(HL) | |
3405 | instr fetch_A, op_SET3, store2_A ;DF ;SET 3,A | |
3406 | instr fetch_B, op_SET4, store2_B ;E0 ;SET 4,B | |
3407 | instr fetch_C, op_SET4, store2_C ;E1 ;SET 4,C | |
3408 | instr fetch_D, op_SET4, store2_D ;E2 ;SET 4,D | |
3409 | instr fetch_E, op_SET4, store2_E ;E3 ;SET 4,E | |
3410 | instr fetch_H, op_SET4, store2_H ;E4 ;SET 4,H | |
3411 | instr fetch_L, op_SET4, store2_L ;E5 ;SET 4,L | |
3412 | instr fetch2_mhl, op_SET4, store_MHL ;E6 ;SET 4,(HL) | |
3413 | instr fetch_A, op_SET4, store2_A ;E7 ;SET 4,A | |
3414 | instr fetch_B, op_SET5, store2_B ;E8 ;SET 5,B | |
3415 | instr fetch_C, op_SET5, store2_C ;E9 ;SET 5,C | |
3416 | instr fetch_D, op_SET5, store2_D ;EA ;SET 5,D | |
3417 | instr fetch_E, op_SET5, store2_E ;EB ;SET 5,E | |
3418 | instr fetch_H, op_SET5, store2_H ;EC ;SET 5,H | |
3419 | instr fetch_L, op_SET5, store2_L ;ED ;SET 5,L | |
3420 | instr fetch2_mhl, op_SET5, store_MHL ;EE ;SET 5,(HL) | |
3421 | instr fetch_A, op_SET5, store2_A ;EF ;SET 5,A | |
3422 | instr fetch_B, op_SET6, store2_B ;F0 ;SET 6,B | |
3423 | instr fetch_C, op_SET6, store2_C ;F1 ;SET 6,C | |
3424 | instr fetch_D, op_SET6, store2_D ;F2 ;SET 6,D | |
3425 | instr fetch_E, op_SET6, store2_E ;F3 ;SET 6,E | |
3426 | instr fetch_H, op_SET6, store2_H ;F4 ;SET 6,H | |
3427 | instr fetch_L, op_SET6, store2_L ;F5 ;SET 6,L | |
3428 | instr fetch2_mhl, op_SET6, store_MHL ;F6 ;SET 6,(HL) | |
3429 | instr fetch_A, op_SET6, store2_A ;F7 ;SET 6,A | |
3430 | instr fetch_B, op_SET7, store2_B ;F8 ;SET 7,B | |
3431 | instr fetch_C, op_SET7, store2_C ;F9 ;SET 7,C | |
3432 | instr fetch_D, op_SET7, store2_D ;FA ;SET 7,D | |
3433 | instr fetch_E, op_SET7, store2_E ;FB ;SET 7,E | |
3434 | instr fetch_H, op_SET7, store2_H ;FC ;SET 7,H | |
3435 | instr fetch_L, op_SET7, store2_L ;FD ;SET 7,L | |
3436 | instr fetch2_mhl, op_SET7, store_MHL ;FE ;SET 7,(HL) | |
3437 | instr fetch_A, op_SET7, store2_A ;FF ;SET 7,A | |
fa9059af L |
3438 | |
3439 | ||
623dd899 | 3440 | opctable DDFDCBjmp, PC ;+256 |
fa9059af | 3441 | |
fb050095 L |
3442 | instr fetch_nop, op_RLC, store2_B ;00 ;RLC (Ix+d),B |
3443 | instr fetch_nop, op_RLC, store2_C ;01 ;RLC (Ix+d),C | |
3444 | instr fetch_nop, op_RLC, store2_D ;02 ;RLC (Ix+d),D | |
3445 | instr fetch_nop, op_RLC, store2_E ;03 ;RLC (Ix+d),E | |
3446 | instr fetch_nop, op_RLC, store2_H ;04 ;RLC (Ix+d),H | |
3447 | instr fetch_nop, op_RLC, store2_L ;05 ;RLC (Ix+d),L | |
4bd49b80 | 3448 | instr fetch_nop, op_RLC, store_nop ;06 ;RLC (Ix+d) |
fb050095 L |
3449 | instr fetch_nop, op_RLC, store2_A ;07 ;RLC (Ix+d),A |
3450 | instr fetch_nop, op_RRC, store2_B ;08 ;RRC (Ix+d),B | |
3451 | instr fetch_nop, op_RRC, store2_C ;09 ;RRC (Ix+d),C | |
3452 | instr fetch_nop, op_RRC, store2_D ;0A ;RRC (Ix+d),D | |
3453 | instr fetch_nop, op_RRC, store2_E ;0B ;RRC (Ix+d),E | |
3454 | instr fetch_nop, op_RRC, store2_H ;0C ;RRC (Ix+d),H | |
3455 | instr fetch_nop, op_RRC, store2_L ;0D ;RRC (Ix+d),L | |
4bd49b80 | 3456 | instr fetch_nop, op_RRC, store_nop ;0E ;RRC (Ix+d) |
fb050095 L |
3457 | instr fetch_nop, op_RRC, store2_A ;0F ;RRC (Ix+d),A |
3458 | instr fetch_nop, op_RL, store2_B ;10 ;RL (Ix+d),B | |
3459 | instr fetch_nop, op_RL, store2_C ;11 ;RL (Ix+d),C | |
3460 | instr fetch_nop, op_RL, store2_D ;12 ;RL (Ix+d),D | |
3461 | instr fetch_nop, op_RL, store2_E ;13 ;RL (Ix+d),E | |
3462 | instr fetch_nop, op_RL, store2_H ;14 ;RL (Ix+d),H | |
3463 | instr fetch_nop, op_RL, store2_L ;15 ;RL (Ix+d),L | |
4bd49b80 | 3464 | instr fetch_nop, op_RL, store_nop ;16 ;RL (Ix+d) |
fb050095 L |
3465 | instr fetch_nop, op_RL, store2_A ;17 ;RL (Ix+d),A |
3466 | instr fetch_nop, op_RR, store2_B ;18 ;RR (Ix+d),B | |
3467 | instr fetch_nop, op_RR, store2_C ;19 ;RR (Ix+d),C | |
3468 | instr fetch_nop, op_RR, store2_D ;1A ;RR (Ix+d),D | |
3469 | instr fetch_nop, op_RR, store2_E ;1B ;RR (Ix+d),E | |
3470 | instr fetch_nop, op_RR, store2_H ;1C ;RR (Ix+d),H | |
3471 | instr fetch_nop, op_RR, store2_L ;1D ;RR (Ix+d),L | |
4bd49b80 | 3472 | instr fetch_nop, op_RR, store_nop ;1E ;RR (Ix+d) |
fb050095 L |
3473 | instr fetch_nop, op_RR, store2_A ;1F ;RR (Ix+d),A |
3474 | instr fetch_nop, op_SLA, store2_B ;20 ;SLA (Ix+d),B | |
3475 | instr fetch_nop, op_SLA, store2_C ;21 ;SLA (Ix+d),C | |
3476 | instr fetch_nop, op_SLA, store2_D ;22 ;SLA (Ix+d),D | |
3477 | instr fetch_nop, op_SLA, store2_E ;23 ;SLA (Ix+d),E | |
3478 | instr fetch_nop, op_SLA, store2_H ;24 ;SLA (Ix+d),H | |
3479 | instr fetch_nop, op_SLA, store2_L ;25 ;SLA (Ix+d),L | |
4bd49b80 | 3480 | instr fetch_nop, op_SLA, store_nop ;26 ;SLA (Ix+d) |
fb050095 L |
3481 | instr fetch_nop, op_SLA, store2_A ;27 ;SLA (Ix+d),A |
3482 | instr fetch_nop, op_SRA, store2_B ;28 ;SRA (Ix+d),B | |
3483 | instr fetch_nop, op_SRA, store2_C ;29 ;SRA (Ix+d),C | |
3484 | instr fetch_nop, op_SRA, store2_D ;2A ;SRA (Ix+d),D | |
3485 | instr fetch_nop, op_SRA, store2_E ;2B ;SRA (Ix+d),E | |
3486 | instr fetch_nop, op_SRA, store2_H ;2C ;SRA (Ix+d),H | |
3487 | instr fetch_nop, op_SRA, store2_L ;2D ;SRA (Ix+d),L | |
4bd49b80 | 3488 | instr fetch_nop, op_SRA, store_nop ;2E ;SRA (Ix+d) |
fb050095 L |
3489 | instr fetch_nop, op_SRA, store2_A ;2F ;SRA (Ix+d),A |
3490 | instr fetch_nop, op_SLL, store2_B ;30 ;SLL (Ix+d),B | |
3491 | instr fetch_nop, op_SLL, store2_C ;31 ;SLL (Ix+d),C | |
3492 | instr fetch_nop, op_SLL, store2_D ;32 ;SLL (Ix+d),D | |
3493 | instr fetch_nop, op_SLL, store2_E ;33 ;SLL (Ix+d),E | |
3494 | instr fetch_nop, op_SLL, store2_H ;34 ;SLL (Ix+d),H | |
3495 | instr fetch_nop, op_SLL, store2_L ;35 ;SLL (Ix+d),L | |
4bd49b80 | 3496 | instr fetch_nop, op_SLL, store_nop ;36 ;SLL (Ix+d) |
fb050095 L |
3497 | instr fetch_nop, op_SLL, store2_A ;37 ;SLL (Ix+d),A |
3498 | instr fetch_nop, op_SRL, store2_B ;38 ;SRL (Ix+d),B | |
3499 | instr fetch_nop, op_SRL, store2_C ;39 ;SRL (Ix+d),C | |
3500 | instr fetch_nop, op_SRL, store2_D ;3A ;SRL (Ix+d),D | |
3501 | instr fetch_nop, op_SRL, store2_E ;3B ;SRL (Ix+d),E | |
3502 | instr fetch_nop, op_SRL, store2_H ;3C ;SRL (Ix+d),H | |
3503 | instr fetch_nop, op_SRL, store2_L ;3D ;SRL (Ix+d),L | |
4bd49b80 | 3504 | instr fetch_nop, op_SRL, store_nop ;3E ;SRL (Ix+d) |
fb050095 | 3505 | instr fetch_nop, op_SRL, store2_A ;3F ;SRL (Ix+d),A |
e7a0f403 L |
3506 | instr fetch_nop, op_BIT0, store_nop ;40 ;BIT 0,(Ix+d),B |
3507 | instr fetch_nop, op_BIT0, store_nop ;41 ;BIT 0,(Ix+d),C | |
3508 | instr fetch_nop, op_BIT0, store_nop ;42 ;BIT 0,(Ix+d),D | |
3509 | instr fetch_nop, op_BIT0, store_nop ;43 ;BIT 0,(Ix+d),E | |
3510 | instr fetch_nop, op_BIT0, store_nop ;44 ;BIT 0,(Ix+d),H | |
3511 | instr fetch_nop, op_BIT0, store_nop ;45 ;BIT 0,(Ix+d),L | |
3512 | instr fetch_nop, op_BIT0, store_nop ;46 ;BIT 0,(Ix+d) | |
4bd49b80 | 3513 | instr fetch_nop, op_BIT0, store_nop ;47 ;BIT 0,(Ix+d),A |
e7a0f403 L |
3514 | instr fetch_nop, op_BIT1, store_nop ;48 ;BIT 1,(Ix+d),B |
3515 | instr fetch_nop, op_BIT1, store_nop ;49 ;BIT 1,(Ix+d),C | |
3516 | instr fetch_nop, op_BIT1, store_nop ;4A ;BIT 1,(Ix+d),D | |
3517 | instr fetch_nop, op_BIT1, store_nop ;4B ;BIT 1,(Ix+d),E | |
3518 | instr fetch_nop, op_BIT1, store_nop ;4C ;BIT 1,(Ix+d),H | |
3519 | instr fetch_nop, op_BIT1, store_nop ;4D ;BIT 1,(Ix+d),L | |
3520 | instr fetch_nop, op_BIT1, store_nop ;4E ;BIT 1,(Ix+d) | |
3521 | instr fetch_nop, op_BIT1, store_nop ;4F ;BIT 1,(Ix+d),A | |
3522 | instr fetch_nop, op_BIT2, store_nop ;50 ;BIT 2,(Ix+d),B | |
3523 | instr fetch_nop, op_BIT2, store_nop ;51 ;BIT 2,(Ix+d),C | |
3524 | instr fetch_nop, op_BIT2, store_nop ;52 ;BIT 2,(Ix+d),D | |
3525 | instr fetch_nop, op_BIT2, store_nop ;53 ;BIT 2,(Ix+d),E | |
3526 | instr fetch_nop, op_BIT2, store_nop ;54 ;BIT 2,(Ix+d),H | |
3527 | instr fetch_nop, op_BIT2, store_nop ;55 ;BIT 2,(Ix+d),L | |
3528 | instr fetch_nop, op_BIT2, store_nop ;56 ;BIT 2,(Ix+d) | |
3529 | instr fetch_nop, op_BIT2, store_nop ;57 ;BIT 2,(Ix+d),A | |
3530 | instr fetch_nop, op_BIT3, store_nop ;58 ;BIT 3,(Ix+d),B | |
3531 | instr fetch_nop, op_BIT3, store_nop ;59 ;BIT 3,(Ix+d),C | |
3532 | instr fetch_nop, op_BIT3, store_nop ;5A ;BIT 3,(Ix+d),D | |
3533 | instr fetch_nop, op_BIT3, store_nop ;5B ;BIT 3,(Ix+d),E | |
3534 | instr fetch_nop, op_BIT3, store_nop ;5C ;BIT 3,(Ix+d),H | |
3535 | instr fetch_nop, op_BIT3, store_nop ;5D ;BIT 3,(Ix+d),L | |
3536 | instr fetch_nop, op_BIT3, store_nop ;5E ;BIT 3,(Ix+d) | |
3537 | instr fetch_nop, op_BIT3, store_nop ;5F ;BIT 3,(Ix+d),A | |
3538 | instr fetch_nop, op_BIT4, store_nop ;60 ;BIT 4,(Ix+d),B | |
3539 | instr fetch_nop, op_BIT4, store_nop ;61 ;BIT 4,(Ix+d),C | |
3540 | instr fetch_nop, op_BIT4, store_nop ;62 ;BIT 4,(Ix+d),D | |
3541 | instr fetch_nop, op_BIT4, store_nop ;63 ;BIT 4,(Ix+d),E | |
3542 | instr fetch_nop, op_BIT4, store_nop ;64 ;BIT 4,(Ix+d),H | |
3543 | instr fetch_nop, op_BIT4, store_nop ;65 ;BIT 4,(Ix+d),L | |
3544 | instr fetch_nop, op_BIT4, store_nop ;66 ;BIT 4,(Ix+d) | |
3545 | instr fetch_nop, op_BIT4, store_nop ;67 ;BIT 4,(Ix+d),A | |
3546 | instr fetch_nop, op_BIT5, store_nop ;68 ;BIT 5,(Ix+d),B | |
3547 | instr fetch_nop, op_BIT5, store_nop ;69 ;BIT 5,(Ix+d),C | |
3548 | instr fetch_nop, op_BIT5, store_nop ;6A ;BIT 5,(Ix+d),D | |
3549 | instr fetch_nop, op_BIT5, store_nop ;6B ;BIT 5,(Ix+d),E | |
3550 | instr fetch_nop, op_BIT5, store_nop ;6C ;BIT 5,(Ix+d),H | |
3551 | instr fetch_nop, op_BIT5, store_nop ;6D ;BIT 5,(Ix+d),L | |
3552 | instr fetch_nop, op_BIT5, store_nop ;6E ;BIT 5,(Ix+d) | |
3553 | instr fetch_nop, op_BIT5, store_nop ;6F ;BIT 5,(Ix+d),A | |
3554 | instr fetch_nop, op_BIT6, store_nop ;70 ;BIT 6,(Ix+d),B | |
3555 | instr fetch_nop, op_BIT6, store_nop ;71 ;BIT 6,(Ix+d),C | |
3556 | instr fetch_nop, op_BIT6, store_nop ;72 ;BIT 6,(Ix+d),D | |
3557 | instr fetch_nop, op_BIT6, store_nop ;73 ;BIT 6,(Ix+d),E | |
3558 | instr fetch_nop, op_BIT6, store_nop ;74 ;BIT 6,(Ix+d),H | |
3559 | instr fetch_nop, op_BIT6, store_nop ;75 ;BIT 6,(Ix+d),L | |
3560 | instr fetch_nop, op_BIT6, store_nop ;76 ;BIT 6,(Ix+d) | |
3561 | instr fetch_nop, op_BIT6, store_nop ;77 ;BIT 6,(Ix+d),A | |
3562 | instr fetch_nop, op_BIT7, store_nop ;78 ;BIT 7,(Ix+d),B | |
3563 | instr fetch_nop, op_BIT7, store_nop ;79 ;BIT 7,(Ix+d),C | |
3564 | instr fetch_nop, op_BIT7, store_nop ;7A ;BIT 7,(Ix+d),D | |
3565 | instr fetch_nop, op_BIT7, store_nop ;7B ;BIT 7,(Ix+d),E | |
3566 | instr fetch_nop, op_BIT7, store_nop ;7C ;BIT 7,(Ix+d),H | |
3567 | instr fetch_nop, op_BIT7, store_nop ;7D ;BIT 7,(Ix+d),L | |
3568 | instr fetch_nop, op_BIT7, store_nop ;7E ;BIT 7,(Ix+d) | |
3569 | instr fetch_nop, op_BIT7, store_nop ;7F ;BIT 7,(Ix+d),A | |
fb050095 L |
3570 | instr fetch_nop, op_RES0, store2_B ;80 ;RES 0,(Ix+d),B |
3571 | instr fetch_nop, op_RES0, store2_C ;81 ;RES 0,(Ix+d),C | |
3572 | instr fetch_nop, op_RES0, store2_D ;82 ;RES 0,(Ix+d),D | |
3573 | instr fetch_nop, op_RES0, store2_E ;83 ;RES 0,(Ix+d),E | |
3574 | instr fetch_nop, op_RES0, store2_H ;84 ;RES 0,(Ix+d),H | |
3575 | instr fetch_nop, op_RES0, store2_L ;85 ;RES 0,(Ix+d),L | |
e7a0f403 | 3576 | instr fetch_nop, op_RES0, store_nop ;86 ;RES 0,(Ix+d) |
fb050095 L |
3577 | instr fetch_nop, op_RES0, store2_A ;87 ;RES 0,(Ix+d),A |
3578 | instr fetch_nop, op_RES1, store2_B ;88 ;RES 1,(Ix+d),B | |
3579 | instr fetch_nop, op_RES1, store2_C ;89 ;RES 1,(Ix+d),C | |
3580 | instr fetch_nop, op_RES1, store2_D ;8A ;RES 1,(Ix+d),D | |
3581 | instr fetch_nop, op_RES1, store2_E ;8B ;RES 1,(Ix+d),E | |
3582 | instr fetch_nop, op_RES1, store2_H ;8C ;RES 1,(Ix+d),H | |
3583 | instr fetch_nop, op_RES1, store2_L ;8D ;RES 1,(Ix+d),L | |
e7a0f403 | 3584 | instr fetch_nop, op_RES1, store_nop ;8E ;RES 1,(Ix+d) |
fb050095 L |
3585 | instr fetch_nop, op_RES1, store2_A ;8F ;RES 1,(Ix+d),A |
3586 | instr fetch_nop, op_RES2, store2_B ;90 ;RES 2,(Ix+d),B | |
3587 | instr fetch_nop, op_RES2, store2_C ;91 ;RES 2,(Ix+d),C | |
3588 | instr fetch_nop, op_RES2, store2_D ;92 ;RES 2,(Ix+d),D | |
3589 | instr fetch_nop, op_RES2, store2_E ;93 ;RES 2,(Ix+d),E | |
3590 | instr fetch_nop, op_RES2, store2_H ;94 ;RES 2,(Ix+d),H | |
3591 | instr fetch_nop, op_RES2, store2_L ;95 ;RES 2,(Ix+d),L | |
e7a0f403 | 3592 | instr fetch_nop, op_RES2, store_nop ;96 ;RES 2,(Ix+d) |
fb050095 L |
3593 | instr fetch_nop, op_RES2, store2_A ;97 ;RES 2,(Ix+d),A |
3594 | instr fetch_nop, op_RES3, store2_B ;98 ;RES 3,(Ix+d),B | |
3595 | instr fetch_nop, op_RES3, store2_C ;99 ;RES 3,(Ix+d),C | |
3596 | instr fetch_nop, op_RES3, store2_D ;9A ;RES 3,(Ix+d),D | |
3597 | instr fetch_nop, op_RES3, store2_E ;9B ;RES 3,(Ix+d),E | |
3598 | instr fetch_nop, op_RES3, store2_H ;9C ;RES 3,(Ix+d),H | |
3599 | instr fetch_nop, op_RES3, store2_L ;9D ;RES 3,(Ix+d),L | |
e7a0f403 | 3600 | instr fetch_nop, op_RES3, store_nop ;9E ;RES 3,(Ix+d) |
fb050095 L |
3601 | instr fetch_nop, op_RES3, store2_A ;9F ;RES 3,(Ix+d),A |
3602 | instr fetch_nop, op_RES4, store2_B ;A0 ;RES 4,(Ix+d),B | |
3603 | instr fetch_nop, op_RES4, store2_C ;A1 ;RES 4,(Ix+d),C | |
3604 | instr fetch_nop, op_RES4, store2_D ;A2 ;RES 4,(Ix+d),D | |
3605 | instr fetch_nop, op_RES4, store2_E ;A3 ;RES 4,(Ix+d),E | |
3606 | instr fetch_nop, op_RES4, store2_H ;A4 ;RES 4,(Ix+d),H | |
3607 | instr fetch_nop, op_RES4, store2_L ;A5 ;RES 4,(Ix+d),L | |
e7a0f403 | 3608 | instr fetch_nop, op_RES4, store_nop ;A6 ;RES 4,(Ix+d) |
fb050095 L |
3609 | instr fetch_nop, op_RES4, store2_A ;A7 ;RES 4,(Ix+d),A |
3610 | instr fetch_nop, op_RES5, store2_B ;A8 ;RES 5,(Ix+d),B | |
3611 | instr fetch_nop, op_RES5, store2_C ;A9 ;RES 5,(Ix+d),C | |
3612 | instr fetch_nop, op_RES5, store2_D ;AA ;RES 5,(Ix+d),D | |
3613 | instr fetch_nop, op_RES5, store2_E ;AB ;RES 5,(Ix+d),E | |
3614 | instr fetch_nop, op_RES5, store2_H ;AC ;RES 5,(Ix+d),H | |
3615 | instr fetch_nop, op_RES5, store2_L ;AD ;RES 5,(Ix+d),L | |
e7a0f403 | 3616 | instr fetch_nop, op_RES5, store_nop ;AE ;RES 5,(Ix+d) |
fb050095 L |
3617 | instr fetch_nop, op_RES5, store2_A ;AF ;RES 5,(Ix+d),A |
3618 | instr fetch_nop, op_RES6, store2_B ;B0 ;RES 6,(Ix+d),B | |
3619 | instr fetch_nop, op_RES6, store2_C ;B1 ;RES 6,(Ix+d),C | |
3620 | instr fetch_nop, op_RES6, store2_D ;B2 ;RES 6,(Ix+d),D | |
3621 | instr fetch_nop, op_RES6, store2_E ;B3 ;RES 6,(Ix+d),E | |
3622 | instr fetch_nop, op_RES6, store2_H ;B4 ;RES 6,(Ix+d),H | |
3623 | instr fetch_nop, op_RES6, store2_L ;B5 ;RES 6,(Ix+d),L | |
e7a0f403 | 3624 | instr fetch_nop, op_RES6, store_nop ;B6 ;RES 6,(Ix+d) |
fb050095 L |
3625 | instr fetch_nop, op_RES6, store2_A ;B7 ;RES 6,(Ix+d),A |
3626 | instr fetch_nop, op_RES7, store2_B ;B8 ;RES 7,(Ix+d),B | |
3627 | instr fetch_nop, op_RES7, store2_C ;B9 ;RES 7,(Ix+d),C | |
3628 | instr fetch_nop, op_RES7, store2_D ;BA ;RES 7,(Ix+d),D | |
3629 | instr fetch_nop, op_RES7, store2_E ;BB ;RES 7,(Ix+d),E | |
3630 | instr fetch_nop, op_RES7, store2_H ;BC ;RES 7,(Ix+d),H | |
3631 | instr fetch_nop, op_RES7, store2_L ;BD ;RES 7,(Ix+d),L | |
e7a0f403 | 3632 | instr fetch_nop, op_RES7, store_nop ;BE ;RES 7,(Ix+d) |
fb050095 L |
3633 | instr fetch_nop, op_RES7, store2_A ;BF ;RES 7,(Ix+d),A |
3634 | instr fetch_nop, op_SET0, store2_B ;C0 ;SET 0,(Ix+d),B | |
3635 | instr fetch_nop, op_SET0, store2_C ;C1 ;SET 0,(Ix+d),C | |
3636 | instr fetch_nop, op_SET0, store2_D ;C2 ;SET 0,(Ix+d),D | |
3637 | instr fetch_nop, op_SET0, store2_E ;C3 ;SET 0,(Ix+d),E | |
3638 | instr fetch_nop, op_SET0, store2_H ;C4 ;SET 0,(Ix+d),H | |
3639 | instr fetch_nop, op_SET0, store2_L ;C5 ;SET 0,(Ix+d),L | |
e7a0f403 | 3640 | instr fetch_nop, op_SET0, store_nop ;C6 ;SET 0,(Ix+d) |
fb050095 L |
3641 | instr fetch_nop, op_SET0, store2_A ;C7 ;SET 0,(Ix+d),A |
3642 | instr fetch_nop, op_SET1, store2_B ;C8 ;SET 1,(Ix+d),B | |
3643 | instr fetch_nop, op_SET1, store2_C ;C9 ;SET 1,(Ix+d),C | |
3644 | instr fetch_nop, op_SET1, store2_D ;CA ;SET 1,(Ix+d),D | |
3645 | instr fetch_nop, op_SET1, store2_E ;CB ;SET 1,(Ix+d),E | |
3646 | instr fetch_nop, op_SET1, store2_H ;CC ;SET 1,(Ix+d),H | |
3647 | instr fetch_nop, op_SET1, store2_L ;CD ;SET 1,(Ix+d),L | |
e7a0f403 | 3648 | instr fetch_nop, op_SET1, store_nop ;CE ;SET 1,(Ix+d) |
fb050095 L |
3649 | instr fetch_nop, op_SET1, store2_A ;CF ;SET 1,(Ix+d),A |
3650 | instr fetch_nop, op_SET2, store2_B ;D0 ;SET 2,(Ix+d),B | |
3651 | instr fetch_nop, op_SET2, store2_C ;D1 ;SET 2,(Ix+d),C | |
3652 | instr fetch_nop, op_SET2, store2_D ;D2 ;SET 2,(Ix+d),D | |
3653 | instr fetch_nop, op_SET2, store2_E ;D3 ;SET 2,(Ix+d),E | |
3654 | instr fetch_nop, op_SET2, store2_H ;D4 ;SET 2,(Ix+d),H | |
3655 | instr fetch_nop, op_SET2, store2_L ;D5 ;SET 2,(Ix+d),L | |
e7a0f403 | 3656 | instr fetch_nop, op_SET2, store_nop ;D6 ;SET 2,(Ix+d) |
fb050095 L |
3657 | instr fetch_nop, op_SET2, store2_A ;D7 ;SET 2,(Ix+d),A |
3658 | instr fetch_nop, op_SET3, store2_B ;D8 ;SET 3,(Ix+d),B | |
3659 | instr fetch_nop, op_SET3, store2_C ;D9 ;SET 3,(Ix+d),C | |
3660 | instr fetch_nop, op_SET3, store2_D ;DA ;SET 3,(Ix+d),D | |
3661 | instr fetch_nop, op_SET3, store2_E ;DB ;SET 3,(Ix+d),E | |
3662 | instr fetch_nop, op_SET3, store2_H ;DC ;SET 3,(Ix+d),H | |
3663 | instr fetch_nop, op_SET3, store2_L ;DD ;SET 3,(Ix+d),L | |
e7a0f403 | 3664 | instr fetch_nop, op_SET3, store_nop ;DE ;SET 3,(Ix+d) |
fb050095 L |
3665 | instr fetch_nop, op_SET3, store2_A ;DF ;SET 3,(Ix+d),A |
3666 | instr fetch_nop, op_SET4, store2_B ;E0 ;SET 4,(Ix+d),B | |
3667 | instr fetch_nop, op_SET4, store2_C ;E1 ;SET 4,(Ix+d),C | |
3668 | instr fetch_nop, op_SET4, store2_D ;E2 ;SET 4,(Ix+d),D | |
3669 | instr fetch_nop, op_SET4, store2_E ;E3 ;SET 4,(Ix+d),E | |
3670 | instr fetch_nop, op_SET4, store2_H ;E4 ;SET 4,(Ix+d),H | |
3671 | instr fetch_nop, op_SET4, store2_L ;E5 ;SET 4,(Ix+d),L | |
e7a0f403 | 3672 | instr fetch_nop, op_SET4, store_nop ;E6 ;SET 4,(Ix+d) |
fb050095 L |
3673 | instr fetch_nop, op_SET4, store2_A ;E7 ;SET 4,(Ix+d),A |
3674 | instr fetch_nop, op_SET5, store2_B ;E8 ;SET 5,(Ix+d),B | |
3675 | instr fetch_nop, op_SET5, store2_C ;E9 ;SET 5,(Ix+d),C | |
3676 | instr fetch_nop, op_SET5, store2_D ;EA ;SET 5,(Ix+d),D | |
3677 | instr fetch_nop, op_SET5, store2_E ;EB ;SET 5,(Ix+d),E | |
3678 | instr fetch_nop, op_SET5, store2_H ;EC ;SET 5,(Ix+d),H | |
3679 | instr fetch_nop, op_SET5, store2_L ;ED ;SET 5,(Ix+d),L | |
e7a0f403 | 3680 | instr fetch_nop, op_SET5, store_nop ;EE ;SET 5,(Ix+d) |
fb050095 L |
3681 | instr fetch_nop, op_SET5, store2_A ;EF ;SET 5,(Ix+d),A |
3682 | instr fetch_nop, op_SET6, store2_B ;F0 ;SET 6,(Ix+d),B | |
3683 | instr fetch_nop, op_SET6, store2_C ;F1 ;SET 6,(Ix+d),C | |
3684 | instr fetch_nop, op_SET6, store2_D ;F2 ;SET 6,(Ix+d),D | |
3685 | instr fetch_nop, op_SET6, store2_E ;F3 ;SET 6,(Ix+d),E | |
3686 | instr fetch_nop, op_SET6, store2_H ;F4 ;SET 6,(Ix+d),H | |
3687 | instr fetch_nop, op_SET6, store2_L ;F5 ;SET 6,(Ix+d),L | |
e7a0f403 | 3688 | instr fetch_nop, op_SET6, store_nop ;F6 ;SET 6,(Ix+d) |
fb050095 L |
3689 | instr fetch_nop, op_SET6, store2_A ;F7 ;SET 6,(Ix+d),A |
3690 | instr fetch_nop, op_SET7, store2_B ;F8 ;SET 7,(Ix+d),B | |
3691 | instr fetch_nop, op_SET7, store2_C ;F9 ;SET 7,(Ix+d),C | |
3692 | instr fetch_nop, op_SET7, store2_D ;FA ;SET 7,(Ix+d),D | |
3693 | instr fetch_nop, op_SET7, store2_E ;FB ;SET 7,(Ix+d),E | |
3694 | instr fetch_nop, op_SET7, store2_H ;FC ;SET 7,(Ix+d),H | |
3695 | instr fetch_nop, op_SET7, store2_L ;FD ;SET 7,(Ix+d),L | |
e7a0f403 | 3696 | instr fetch_nop, op_SET7, store_nop ;FE ;SET 7,(Ix+d) |
fb050095 | 3697 | instr fetch_nop, op_SET7, store2_A ;FF ;SET 7,(Ix+d),A |
fa9059af | 3698 | |
e8384f88 | 3699 | .macro m_do_fetch_0 |
623dd899 | 3700 | ldi opl,0 |
e8384f88 L |
3701 | .endm |
3702 | .equ do_fetch_0 = 0 | |
3703 | ; ldi opl,0 | |
3704 | ; ret | |
623dd899 L |
3705 | |
3706 | ;---------------------------------------------------------------- | |
3707 | ;|Mnemonic |SZHPNC|Description |Notes | | |
3708 | ;---------------------------------------------------------------- | |
3709 | ;|IN r,[C] |***P0-|Input |r=[C] | | |
3710 | ; | |
3711 | ||
3712 | do_op_in: ; in opl,(opl) | |
3713 | .if PORT_DEBUG | |
4bd49b80 | 3714 | push opl |
623dd899 L |
3715 | cp opl,_0 ; don't debug port 0 (con stat) |
3716 | breq dbg_op_in_1 | |
3717 | printnewline | |
3718 | printstring "Port read: (" | |
3719 | mov temp,opl | |
3720 | lcall printhex | |
3721 | printstring ") -> " | |
3722 | dbg_op_in_1: | |
3723 | .endif | |
3724 | ||
3725 | mov temp2,opl | |
3726 | lcall portRead | |
3727 | mov opl,temp | |
3728 | bst z_flags,ZFL_C ;save Carry | |
3729 | ldpmx z_flags,sz53p_tab,temp ;S,Z,P | |
3730 | bld z_flags,ZFL_C | |
3731 | ||
3732 | .if PORT_DEBUG | |
3733 | pop temp | |
3734 | cp temp,_0 | |
3735 | breq dbg_op_in_2 | |
3736 | lcall printhex | |
3737 | printstring " " | |
3738 | dbg_op_in_2: | |
3739 | .endif | |
3740 | ret | |
3741 | ||
3742 | ;---------------------------------------------------------------- | |
3743 | ;|Mnemonic |SZHPNC|Description |Notes | | |
3744 | ;---------------------------------------------------------------- | |
3745 | ;|OUT [C],r |------|Output |[C]=r | | |
3746 | ; | |
3747 | ||
3748 | do_op_out: ; out (c),opl | |
3749 | .if PORT_DEBUG | |
3750 | printnewline | |
3751 | printstring "Port write: " | |
3752 | mov temp,opl | |
3753 | lcall printhex | |
3754 | printstring " -> (" | |
825ecc9d | 3755 | mov temp,z_c |
623dd899 L |
3756 | lcall printhex |
3757 | printstring ") " | |
3758 | .endif | |
3759 | mov temp,opl | |
825ecc9d | 3760 | mov temp2,z_c |
623dd899 L |
3761 | lcall portWrite |
3762 | ret | |
3763 | ||
3764 | ;---------------------------------------------------------------- | |
3765 | ;|Mnemonic |SZHPNC|Description |Notes | | |
3766 | ;---------------------------------------------------------------- | |
3767 | ;|LD dst,src|------|Load |dst=src | | |
3768 | ; | |
3769 | ||
3770 | do_op_stbc: ;store bc to mem loc in opl:h | |
3771 | movw xl,opl | |
825ecc9d | 3772 | mem_write_s z_c |
623dd899 | 3773 | adiw xl,1 |
825ecc9d | 3774 | mem_write_s z_b |
623dd899 L |
3775 | ret |
3776 | ||
3777 | ;---------------------------------------------------------------- | |
3778 | ;|Mnemonic |SZHPNC|Description |Notes | | |
3779 | ;---------------------------------------------------------------- | |
3780 | ;|LD dst,src|------|Load |dst=src | | |
3781 | ; | |
3782 | ; | |
3783 | do_op_stde: ;store de to mem loc in opl:h | |
3784 | movw xl,opl | |
825ecc9d | 3785 | mem_write_s z_e |
623dd899 | 3786 | adiw xl,1 |
825ecc9d | 3787 | mem_write_s z_d |
623dd899 L |
3788 | ret |
3789 | ||
3790 | ;---------------------------------------------------------------- | |
3791 | ;|Mnemonic |SZHPNC|Description |Notes | | |
3792 | ;---------------------------------------------------------------- | |
3793 | ;|LD dst,src|------|Load |dst=src | | |
3794 | ; | |
3795 | ; | |
3796 | do_op_stsp: ;store sp to mem loc in opl:h | |
3797 | movw xl,opl | |
3798 | mem_write_s z_spl | |
3799 | adiw xl,1 | |
3800 | mem_write_s z_sph | |
3801 | ret | |
3802 | ||
3803 | ;---------------------------------------------------------------- | |
3804 | ;|Mnemonic |SZHPNC|Description |Notes | | |
3805 | ;---------------------------------------------------------------- | |
3806 | ;|ADC HL,ss |***V0*|Add with Carry |HL=HL+ss+CY | | |
3807 | ; | |
3808 | ||
3809 | do_op_ADCHL: | |
825ecc9d | 3810 | lsr z_flags ; ZFL_C --> Carry |
623dd899 | 3811 | ldi z_flags,0 ; clear N |
825ecc9d | 3812 | adc z_l,opl |
4bd49b80 | 3813 | in temp,sreg ; save lower Z |
825ecc9d L |
3814 | adc z_h,oph |
3815 | in temp2,sreg | |
3816 | ||
3817 | and temp,temp2 ; 16bit Z | |
623dd899 L |
3818 | bmov z_flags,ZFL_C, temp2,AVR_C |
3819 | bmov z_flags,ZFL_P, temp2,AVR_V | |
3820 | bmov z_flags,ZFL_H, temp2,AVR_H | |
3821 | bmov z_flags,ZFL_Z, temp,AVR_Z | |
3822 | bmov z_flags,ZFL_S, temp2,AVR_N | |
3823 | ret | |
3824 | ||
3825 | ;---------------------------------------------------------------- | |
3826 | ;|Mnemonic |SZHPNC|Description |Notes | | |
3827 | ;---------------------------------------------------------------- | |
3828 | ;|SBC HL,ss |***V1*|Subtract with carry |HL=HL-ss-CY | | |
3829 | ; | |
3830 | ||
3831 | checkspace PC, 24 | |
3832 | ||
3833 | do_op_sbchl: | |
825ecc9d L |
3834 | lsr z_flags ; get Z80 carry |
3835 | sez ; set z | |
3836 | sbc z_l,opl | |
3837 | sbc z_h,oph | |
623dd899 | 3838 | in temp,sreg |
825ecc9d | 3839 | ldi z_flags,(1<<ZFL_N) ; set N |
623dd899 L |
3840 | bmov z_flags,ZFL_C, temp,AVR_C |
3841 | bmov z_flags,ZFL_P, temp,AVR_V | |
3842 | bmov z_flags,ZFL_H, temp,AVR_H | |
3843 | bmov z_flags,ZFL_Z, temp,AVR_Z | |
3844 | bmov z_flags,ZFL_S, temp,AVR_N | |
3845 | ret | |
3846 | ||
3847 | ;---------------------------------------------------------------- | |
3848 | ;|Mnemonic |SZHPNC|Description |Notes | | |
3849 | ;---------------------------------------------------------------- | |
3850 | ;|NEG |***V1*|Negate A |A=0-A | | |
3851 | ||
3852 | ; | |
3853 | do_op_NEG: | |
3854 | ldi temp,0 | |
3855 | sub temp,z_a | |
3856 | mov z_a,temp | |
3857 | in temp,sreg | |
3858 | ldpmx z_flags,sz53p_tab,z_a ;S,Z,P | |
3859 | bmov z_flags,ZFL_C, temp,AVR_C | |
3860 | bmov z_flags,ZFL_H, temp,AVR_H | |
3861 | do_z80_flags_V | |
3862 | do_z80_flags_set_N | |
3863 | ret | |
3864 | ||
3865 | ;---------------------------------------------------------------- | |
3866 | ;|Mnemonic |SZHPNC|Description |Notes | | |
3867 | ;---------------------------------------------------------------- | |
3868 | ;|RETI |------|Return from Interrupt|PC=[SP]+ | | |
3869 | ;|RETN |------|Return from NMI | Copy IFF2 to IFF1 | | |
3870 | ||
3871 | ||
3872 | do_op_RETI: | |
3873 | do_op_RETN: | |
3874 | ldd temp,y+oz_istat | |
3875 | bmov temp,IFF1, temp,IFF2 | |
3876 | std y+oz_istat,temp | |
3877 | ljmp do_store_ret | |
3878 | ||
3879 | ||
3880 | ;---------------------------------------------------------------- | |
3881 | ;|Mnemonic |SZHPNC|Description |Notes | | |
3882 | ;---------------------------------------------------------------- | |
3883 | ;|IM n |------|Interrupt Mode | (n=0,1,2)| | |
3884 | ||
3885 | do_op_IM0: | |
3886 | ldd temp,y+oz_istat | |
3887 | andi temp, ~IM_MASK | |
3888 | std y+oz_istat,temp | |
3889 | ret | |
3890 | ||
3891 | do_op_IM1: | |
3892 | ldd temp,y+oz_istat | |
3893 | andi temp,~IM_MASK | |
3894 | ori temp,IM1 | |
3895 | std y+oz_istat,temp | |
3896 | ret | |
3897 | ||
3898 | do_op_IM2: | |
3899 | ldd temp,y+oz_istat | |
3900 | andi temp, ~IM_MASK | |
3901 | ori temp,IM2 | |
3902 | std y+oz_istat,temp | |
3903 | ret | |
3904 | ||
3905 | ;---------------------------------------------------------------- | |
3906 | ;|Mnemonic |SZHPNC|Description |Notes | | |
3907 | ;---------------------------------------------------------------- | |
3908 | ;|LD A,i |**0*0-|Load |(i=I,R) IFF2 --> P | | |
3909 | ;|LD i,A |------|Load |(i=I,R) | | |
3910 | ||
3911 | do_op_ldai: | |
3912 | ldd z_a,y+oz_i | |
3913 | rjmp op_ldar1 | |
3914 | ||
3915 | do_op_ldar: | |
3916 | ldd z_a,y+oz_r | |
3917 | op_ldar1: | |
3918 | bst z_flags,ZFL_C ;save C | |
4bd49b80 | 3919 | ldpmx z_flags,sz53p_tab,z_a ;S,Z,H,P,N |
623dd899 L |
3920 | bld z_flags,ZFL_C ; |
3921 | ldd temp,y+oz_istat | |
3922 | bmov z_flags,ZFL_P, temp,IFF2 | |
3923 | ret | |
3924 | ||
3925 | do_op_ldia: | |
3926 | std y+oz_i,z_a | |
3927 | ret | |
3928 | ||
3929 | do_op_ldra: | |
3930 | std y+oz_r,z_a | |
3931 | ret | |
3932 | ||
3933 | ;---------------------------------------------------------------- | |
3934 | ;|Mnemonic |SZHPNC|Description |Notes | | |
3935 | ;---------------------------------------------------------------- | |
3936 | ;|RLD |**0P0-|Rotate Left 4 bits |{A,[HL]}={A,[HL]}<- ##| | |
3937 | ;|RRD |**0P0-|Rotate Right 4 bits |{A,[HL]}=->{A,[HL]} ##| | |
3938 | ||
3939 | do_op_rld: | |
3940 | swap opl | |
3941 | mov oph,opl | |
3942 | andi opl,0xf0 | |
3943 | andi oph,0x0f | |
3944 | mov temp,z_a | |
3945 | andi temp,0x0f | |
3946 | or opl,temp | |
3947 | mov temp,z_a | |
3948 | andi temp,0xf0 | |
3949 | or temp,oph | |
3950 | mov z_a,temp | |
3951 | bst z_flags,ZFL_C ;save C | |
4bd49b80 | 3952 | ldpmx z_flags,sz53p_tab,z_a ;S,Z,H,P,N |
623dd899 L |
3953 | bld z_flags,ZFL_C ; |
3954 | ret | |
3955 | ||
3956 | do_op_rrd: | |
3957 | mov oph,opl | |
3958 | andi opl,0xf0 | |
3959 | andi oph,0x0f | |
3960 | mov temp,z_a | |
3961 | andi temp,0x0f | |
3962 | or opl,temp | |
3963 | swap opl | |
3964 | mov temp,z_a | |
3965 | andi temp,0xf0 | |
3966 | or temp,oph | |
3967 | mov z_a,temp | |
3968 | bst z_flags,ZFL_C ;save C | |
4bd49b80 | 3969 | ldpmx z_flags,sz53p_tab,z_a ;S,Z,H,P,N |
623dd899 L |
3970 | bld z_flags,ZFL_C ; |
3971 | ret | |
3972 | ||
3973 | ||
3974 | ;---------------------------------------------------------------- | |
3975 | ;|Mnemonic |SZHPNC|Description |Notes | | |
3976 | ;---------------------------------------------------------------- | |
3977 | ;|LDD |--0*0-|Load and Decrement |[DE]=[HL],HL=HL-1,# | | |
3978 | ;|LDDR |--000-|Load, Dec., Repeat |LDD till BC=0 | | |
3979 | ;|LDI |--0*0-|Load and Increment |[DE]=[HL],HL=HL+1,# | | |
3980 | ;|LDIR |--000-|Load, Inc., Repeat |LDI till BC=0 | | |
3981 | ; | |
3982 | ||
825ecc9d | 3983 | checkspace PC, 13 |
623dd899 L |
3984 | |
3985 | op_LDxx_common: | |
bca3519f L |
3986 | ; movw x,z_l ; |
3987 | ; lcall dram_read ; temp = (HL) | |
3988 | mem_read_ds temp, z_hl | |
3989 | ; movw x,z_e ; | |
3990 | ; lcall dram_write ; (DE) = temp | |
3991 | mem_write_ds z_de, temp | |
623dd899 | 3992 | |
623dd899 | 3993 | cbr z_flags,(1<<ZFL_H) | (1<<ZFL_P) | (1<<ZFL_N) |
825ecc9d L |
3994 | |
3995 | movw x,z_c | |
3996 | sbiw x,1 ;BC-- | |
3997 | movw z_c,x | |
623dd899 L |
3998 | breq PC+2 |
3999 | sbr z_flags,(1<<ZFL_P) | |
623dd899 L |
4000 | ret |
4001 | ||
825ecc9d | 4002 | checkspace PC, 6 |
623dd899 L |
4003 | |
4004 | do_op_LDI: | |
4005 | rcall op_LDxx_common | |
825ecc9d L |
4006 | sub z_e,_255 ;-low(-1) DE++ |
4007 | sbc z_d,_255 ;-high(-1) | |
4008 | sub z_l,_255 ;-low(-1) HL++ | |
4009 | sbc z_h,_255 ;-high(-1) | |
623dd899 L |
4010 | ret |
4011 | ||
825ecc9d | 4012 | checkspace PC, 6 |
623dd899 L |
4013 | |
4014 | do_op_LDD: | |
4015 | rcall op_LDxx_common | |
825ecc9d L |
4016 | add z_e,_255 ;+low(-1) DE-- |
4017 | adc z_d,_255 ;+high(-1) | |
4018 | add z_l,_255 ;+low(-1) HL-- | |
4019 | adc z_h,_255 ;+high(-1) | |
623dd899 L |
4020 | ret |
4021 | ||
4022 | checkspace PC, 5 | |
4023 | ||
4024 | do_op_LDIR: | |
4025 | rcall do_op_LDI | |
4026 | #if 1 | |
4027 | sbrc z_flags,ZFL_P | |
4028 | rjmp do_op_LDIR | |
4029 | ret | |
4030 | #else | |
4031 | sbrs z_flags,ZFL_P | |
4032 | ret | |
4033 | sbiw z_pcl,2 | |
4034 | ret | |
4035 | #endif | |
4036 | ||
4037 | checkspace PC, 5 | |
4038 | ||
4039 | do_op_LDDR: | |
4040 | rcall do_op_LDD | |
bca3519f L |
4041 | #if 1 |
4042 | sbrc z_flags,ZFL_P | |
4043 | rjmp do_op_LDDR | |
4044 | ret | |
4045 | #else | |
623dd899 L |
4046 | sbrs z_flags,ZFL_P |
4047 | ret | |
4048 | sbiw z_pcl,2 | |
4049 | ret | |
bca3519f | 4050 | #endif |
623dd899 L |
4051 | |
4052 | ;---------------------------------------------------------------- | |
4053 | ;|Mnemonic |SZHPNC|Description |Notes | | |
4054 | ;---------------------------------------------------------------- | |
4055 | ;|CPD |****1-|Compare and Decrement|A-[HL],HL=HL-1,BC=BC-1| | |
4056 | ;|CPDR |****1-|Compare, Dec., Repeat|CPD till A=[HL]or BC=0| | |
4057 | ;|CPI |****1-|Compare and Increment|A-[HL],HL=HL+1,BC=BC-1| | |
4058 | ;|CPIR |****1-|Compare, Inc., Repeat|CPI till A=[HL]or BC=0| | |
4059 | ||
4060 | ||
4061 | checkspace PC, 21 | |
4062 | ||
4063 | op_CPxx_common: | |
825ecc9d | 4064 | movw x,z_l ; HL |
4bd49b80 | 4065 | |
825ecc9d | 4066 | movw z,z_c ;BC |
623dd899 L |
4067 | |
4068 | cbr z_flags,(1<<ZFL_S)|(1<<ZFL_Z)|(1<<ZFL_H)|(1<<ZFL_P) | |
4069 | sbr z_flags,(1<<ZFL_N) | |
4070 | lcall dram_read ; temp = (HL) | |
4071 | ||
825ecc9d | 4072 | cp z_a,temp ; A - (HL) |
623dd899 L |
4073 | |
4074 | brpl PC+2 | |
4075 | sbr z_flags,(1<<ZFL_S) | |
4076 | brne PC+2 | |
4077 | sbr z_flags,(1<<ZFL_Z) | |
4078 | brhc PC+2 | |
4079 | sbr z_flags,(1<<ZFL_H) | |
4080 | ||
4081 | sbiw z,1 ; BC-- | |
4082 | breq PC+2 | |
4083 | sbr z_flags,(1<<ZFL_P) | |
825ecc9d | 4084 | movw z_c,z ;BC |
623dd899 L |
4085 | ret |
4086 | ||
4087 | checkspace PC, 5 | |
4088 | ||
4089 | do_op_CPI: | |
4090 | rcall op_CPxx_common | |
4091 | adiw x,1 ; HL++ | |
825ecc9d | 4092 | movw z_l,x ; HL |
623dd899 L |
4093 | ret |
4094 | ||
4095 | ||
4096 | checkspace PC, 5 | |
4097 | ||
4098 | do_op_CPD: | |
4099 | rcall op_CPxx_common | |
4100 | sbiw x,1 ; HL-- | |
825ecc9d | 4101 | movw z_l,x ; HL |
623dd899 L |
4102 | ret |
4103 | ||
4104 | checkspace PC, 7 | |
4105 | ||
4106 | do_op_CPIR: | |
4107 | rcall do_op_CPI | |
4108 | sbrc z_flags,ZFL_Z | |
4109 | ret | |
4110 | sbrs z_flags,ZFL_P | |
4111 | ret | |
4112 | sbiw z_pcl,2 | |
4113 | ret | |
4114 | ||
4115 | checkspace PC, 7 | |
4116 | ||
4117 | do_op_CPDR: | |
4118 | rcall do_op_CPD | |
4119 | sbrc z_flags,ZFL_Z | |
4120 | ret | |
4121 | sbrs z_flags,ZFL_P | |
4122 | ret | |
4123 | sbiw z_pcl,2 | |
4124 | ret | |
4125 | ||
4126 | ;---------------------------------------------------------------- | |
4127 | ;|Mnemonic |SZHPNC|Description |Notes | | |
4128 | ;---------------------------------------------------------------- | |
4129 | ;|INI |?*??1-|Input and Increment |[HL]=[C],HL=HL+1,B=B-1| | |
4130 | ;|IND |?*??1-|Input and Decrement |[HL]=[C],HL=HL-1,B=B-1| | |
4131 | ;|INIR |?1??1-|Input, Inc., Repeat |INI till B=0 | | |
4132 | ;|INDR |?1??1-|Input, Dec., Repeat |IND till B=0 | | |
4133 | ||
825ecc9d | 4134 | checkspace PC, 12 |
623dd899 L |
4135 | |
4136 | op_INxx_common: | |
4137 | cbr z_flags,(1<<ZFL_Z) | |
4138 | sbr z_flags,(1<<ZFL_N) | |
825ecc9d | 4139 | mov temp2,z_c ;C |
623dd899 | 4140 | lcall portRead |
825ecc9d | 4141 | movw x,z_l ;HL |
623dd899 | 4142 | lcall dram_write |
825ecc9d | 4143 | dec z_b ;B |
623dd899 L |
4144 | brne PC+2 |
4145 | sbr z_flags,(1<<ZFL_Z) | |
4146 | ret | |
4147 | ||
825ecc9d | 4148 | checkspace PC, 4 |
623dd899 L |
4149 | |
4150 | do_op_INI: | |
4151 | rcall op_INxx_common | |
4152 | adiw x,1 | |
825ecc9d | 4153 | movw z_l,x ;HL |
623dd899 L |
4154 | ret |
4155 | ||
825ecc9d | 4156 | checkspace PC, 4 |
623dd899 L |
4157 | |
4158 | do_op_IND: | |
4159 | rcall op_INxx_common | |
4160 | sbiw x,1 | |
825ecc9d | 4161 | movw z_l,x ;HL |
623dd899 L |
4162 | ret |
4163 | ||
4164 | checkspace PC, 5 | |
4165 | ||
4166 | do_op_INIR: | |
4167 | rcall do_op_INI | |
4168 | sbrc z_flags,ZFL_Z | |
4169 | ret | |
4170 | sbiw z_pcl,2 | |
4171 | ret | |
4172 | ||
4173 | checkspace PC, 5 | |
4174 | ||
4175 | do_op_INDR: | |
4176 | rcall do_op_IND | |
4177 | sbrc z_flags,ZFL_Z | |
4178 | ret | |
4179 | sbiw z_pcl,2 | |
4180 | ret | |
4181 | ||
4182 | ;---------------------------------------------------------------- | |
4183 | ;|Mnemonic |SZHPNC|Description |Notes | | |
4184 | ;---------------------------------------------------------------- | |
4185 | ;|OUTI |?*??1-|Output and Increment |[C]=[HL],HL=HL+1,B=B-1| | |
4186 | ;|OUTD |?*??1-|Output and Decrement |[C]=[HL],HL=HL-1,B=B-1| | |
4187 | ;|OTIR |?1??1-|Output, Inc., Repeat |OUTI till B=0 | | |
4188 | ;|OTDR |?1??1-|Output, Dec., Repeat |OUTD till B=0 | | |
4189 | ||
825ecc9d | 4190 | checkspace PC, 12 |
623dd899 L |
4191 | |
4192 | op_OUTxx_common: | |
825ecc9d | 4193 | movw x,z_l ;HL |
623dd899 | 4194 | lcall dram_read ;temp = (z) |
825ecc9d | 4195 | mov temp2,z_c ;C |
623dd899 | 4196 | lcall portWrite |
825ecc9d L |
4197 | cbr z_flags,(1<<ZFL_Z) |
4198 | sbr z_flags,(1<<ZFL_N) | |
4199 | dec z_b ;B | |
623dd899 L |
4200 | brne PC+2 |
4201 | sbr z_flags,(1<<ZFL_Z) | |
4202 | ret | |
4203 | ||
825ecc9d | 4204 | checkspace PC, 4 |
623dd899 L |
4205 | |
4206 | do_op_OUTI: | |
623dd899 | 4207 | rcall op_OUTxx_common |
825ecc9d L |
4208 | sub z_l,_255 ;-low(-1) |
4209 | sbc z_h,_255 ;-high(-1) | |
623dd899 L |
4210 | ret |
4211 | ||
825ecc9d | 4212 | checkspace PC, 4 |
623dd899 L |
4213 | |
4214 | do_op_OUTD: | |
623dd899 | 4215 | rcall op_OUTxx_common |
825ecc9d L |
4216 | add z_l,_255 ;+low(-1) |
4217 | adc z_h,_255 ;+high(-1) | |
623dd899 L |
4218 | ret |
4219 | ||
4220 | checkspace PC, 5 | |
4221 | ||
4222 | do_op_OTIR: | |
4223 | rcall do_op_OUTI | |
4224 | sbrc z_flags,ZFL_Z | |
4225 | ret | |
4226 | sbiw z_pcl,2 | |
4227 | ret | |
4228 | ||
4229 | checkspace PC, 5 | |
4230 | ||
4231 | do_op_OTDR: | |
4232 | rcall do_op_OUTD | |
4233 | sbrc z_flags,ZFL_Z | |
4234 | ret | |
4235 | sbiw z_pcl,2 | |
4236 | ret | |
4237 | ||
4238 | #if 1 | |
4239 | opctable EDjmp, PC ;+ 2*256 | |
4240 | ||
4241 | instr fetch_nop, op_nop, store_nop ;00 ;NOP | |
4242 | instr fetch_nop, op_nop, store_nop ;01 ;NOP | |
4243 | instr fetch_nop, op_nop, store_nop ;02 ;NOP | |
4244 | instr fetch_nop, op_nop, store_nop ;03 ;NOP | |
4245 | instr fetch_nop, op_nop, store_nop ;04 ;NOP | |
4246 | instr fetch_nop, op_nop, store_nop ;05 ;NOP | |
4247 | instr fetch_nop, op_nop, store_nop ;06 ;NOP | |
4248 | instr fetch_nop, op_nop, store_nop ;07 ;NOP | |
4249 | instr fetch_nop, op_nop, store_nop ;08 ;NOP | |
4250 | instr fetch_nop, op_nop, store_nop ;09 ;NOP | |
4251 | instr fetch_nop, op_nop, store_nop ;0A ;NOP | |
4252 | instr fetch_nop, op_nop, store_nop ;0B ;NOP | |
4253 | instr fetch_nop, op_nop, store_nop ;0C ;NOP | |
4254 | instr fetch_nop, op_nop, store_nop ;0D ;NOP | |
4255 | instr fetch_nop, op_nop, store_nop ;0E ;NOP | |
4256 | instr fetch_nop, op_nop, store_nop ;0F ;NOP | |
4257 | instr fetch_nop, op_nop, store_nop ;10 ;NOP | |
4258 | instr fetch_nop, op_nop, store_nop ;11 ;NOP | |
4259 | instr fetch_nop, op_nop, store_nop ;12 ;NOP | |
4260 | instr fetch_nop, op_nop, store_nop ;13 ;NOP | |
4261 | instr fetch_nop, op_nop, store_nop ;14 ;NOP | |
4262 | instr fetch_nop, op_nop, store_nop ;15 ;NOP | |
4263 | instr fetch_nop, op_nop, store_nop ;16 ;NOP | |
4264 | instr fetch_nop, op_nop, store_nop ;17 ;NOP | |
4265 | instr fetch_nop, op_nop, store_nop ;18 ;NOP | |
4266 | instr fetch_nop, op_nop, store_nop ;19 ;NOP | |
4267 | instr fetch_nop, op_nop, store_nop ;1A ;NOP | |
4268 | instr fetch_nop, op_nop, store_nop ;1B ;NOP | |
4269 | instr fetch_nop, op_nop, store_nop ;1C ;NOP | |
4270 | instr fetch_nop, op_nop, store_nop ;1D ;NOP | |
4271 | instr fetch_nop, op_nop, store_nop ;1E ;NOP | |
4272 | instr fetch_nop, op_nop, store_nop ;1F ;NOP | |
4273 | instr fetch_nop, op_nop, store_nop ;20 ;NOP | |
4274 | instr fetch_nop, op_nop, store_nop ;21 ;NOP | |
4275 | instr fetch_nop, op_nop, store_nop ;22 ;NOP | |
4276 | instr fetch_nop, op_nop, store_nop ;23 ;NOP | |
4277 | instr fetch_nop, op_nop, store_nop ;24 ;NOP | |
4278 | instr fetch_nop, op_nop, store_nop ;25 ;NOP | |
4279 | instr fetch_nop, op_nop, store_nop ;26 ;NOP | |
4280 | instr fetch_nop, op_nop, store_nop ;27 ;NOP | |
4281 | instr fetch_nop, op_nop, store_nop ;28 ;NOP | |
4282 | instr fetch_nop, op_nop, store_nop ;29 ;NOP | |
4283 | instr fetch_nop, op_nop, store_nop ;2A ;NOP | |
4284 | instr fetch_nop, op_nop, store_nop ;2B ;NOP | |
4285 | instr fetch_nop, op_nop, store_nop ;2C ;NOP | |
4286 | instr fetch_nop, op_nop, store_nop ;2D ;NOP | |
4287 | instr fetch_nop, op_nop, store_nop ;2E ;NOP | |
4288 | instr fetch_nop, op_nop, store_nop ;2F ;NOP | |
4289 | instr fetch_nop, op_nop, store_nop ;30 ;NOP | |
4290 | instr fetch_nop, op_nop, store_nop ;31 ;NOP | |
4291 | instr fetch_nop, op_nop, store_nop ;32 ;NOP | |
4292 | instr fetch_nop, op_nop, store_nop ;33 ;NOP | |
4293 | instr fetch_nop, op_nop, store_nop ;34 ;NOP | |
4294 | instr fetch_nop, op_nop, store_nop ;35 ;NOP | |
4295 | instr fetch_nop, op_nop, store_nop ;36 ;NOP | |
4296 | instr fetch_nop, op_nop, store_nop ;37 ;NOP | |
4297 | instr fetch_nop, op_nop, store_nop ;38 ;NOP | |
4298 | instr fetch_nop, op_nop, store_nop ;39 ;NOP | |
4299 | instr fetch_nop, op_nop, store_nop ;3A ;NOP | |
4300 | instr fetch_nop, op_nop, store_nop ;3B ;NOP | |
4301 | instr fetch_nop, op_nop, store_nop ;3C ;NOP | |
4302 | instr fetch_nop, op_nop, store_nop ;3D ;NOP | |
4303 | instr fetch_nop, op_nop, store_nop ;3E ;NOP | |
4304 | instr fetch_nop, op_nop, store_nop ;3F ;NOP | |
4305 | instr fetch_C, op_IN, store2_B ;40 ;IN B,(C) | |
4306 | instr fetch_B, op_OUT, store_nop ;41 ;OUT (C),B | |
4307 | instr fetch_BC, op_SBCHL, store_nop ;42 ;SBC HL,BC | |
4308 | instr fetch_DIR16, op_STBC, store_nop ;43 ;LD (nn),BC | |
4309 | instr fetch_nop, op_NEG, store_nop ;44 ;NEG | |
4310 | instr fetch_nop, op_RETN, store_nop ;45 ;RETN | |
4311 | instr fetch_nop, op_IM0, store_nop ;46 ;IM 0 | |
4312 | instr fetch_nop, op_ldia, store_nop ;47 ;LD I,A | |
4313 | instr fetch_C, op_IN, store2_C ;48 ;IN C,(C) | |
4314 | instr fetch_C, op_OUT, store_nop ;49 ;OUT (C),C | |
4315 | instr fetch_BC, op_ADCHL, store_nop ;4A ;ADC HL,BC | |
4316 | instr fetch_DIR16, op_RMEM16, store_BC ;4B nn nn ;LD BC,(nn) | |
4317 | instr fetch_nop, op_NEG, store_nop ;4C ;NEG | |
4318 | instr fetch_nop, op_RETI, store_nop ;4D ;RETI | |
4319 | instr fetch_nop, op_IM0, store_nop ;4E ;IM 0 | |
4320 | instr fetch_nop, op_ldra, store_nop ;4F ;LD R,A | |
4321 | instr fetch_C, op_IN, store2_D ;50 ;IN D,(C) | |
4322 | instr fetch_D, op_OUT, store_nop ;51 ;OUT (C),D | |
4323 | instr fetch_DE, op_SBCHL, store_nop ;52 ;SBC HL,DE | |
4324 | instr fetch_DIR16, op_STDE, store_nop ;53 nn nn ;LD (nn),DE | |
4325 | instr fetch_nop, op_NEG, store_nop ;54 ;NEG | |
4326 | instr fetch_nop, op_RETN, store_nop ;55 ;RETN | |
4327 | instr fetch_nop, op_IM1, store_nop ;56 ;IM 1 | |
4328 | instr fetch_nop, op_ldai, store_nop ;57 ;LD A,I | |
4329 | instr fetch_C, op_IN, store2_E ;58 ;IN E,(C) | |
4330 | instr fetch_E, op_OUT, store_nop ;59 ;OUT (C),E | |
4331 | instr fetch_DE, op_ADCHL, store_nop ;5A ;ADC HL,DE | |
4332 | instr fetch_DIR16, op_RMEM16, store_DE ;5B nn nn ;LD DE,(nn) | |
4333 | instr fetch_nop, op_NEG, store_nop ;5C ;NEG | |
4334 | instr fetch_nop, op_RETN, store_nop ;5D ;RETN | |
4335 | instr fetch_nop, op_IM2, store_nop ;5E ;IM 2 | |
4336 | instr fetch_nop, op_ldar, store_nop ;5F ;LD A,R | |
4337 | instr fetch_C, op_IN, store2_H ;60 ;IN H,(C) | |
4338 | instr fetch_H, op_OUT, store_nop ;61 ;OUT (C),H | |
4339 | instr fetch_HL, op_SBCHL, store_nop ;62 ;SBC HL,HL | |
4340 | instr fetch_DIR16, op_STHL, store_nop ;63 nn nn ;LD (nn),HL | |
4341 | instr fetch_nop, op_NEG, store_nop ;64 ;NEG | |
4342 | instr fetch_nop, op_RETN, store_nop ;65 ;RETN | |
4343 | instr fetch_nop, op_IM0, store_nop ;66 ;IM 0 | |
4344 | instr fetch2_mhl, op_RRD, store_mhl ;67 ;RRD | |
4345 | instr fetch_C, op_IN, store2_L ;68 ;IN L,(C) | |
4346 | instr fetch_L, op_OUT, store_nop ;69 ;OUT (C),L | |
4347 | instr fetch_HL, op_ADCHL, store_nop ;6A ;ADC HL,HL | |
4348 | instr fetch_DIR16, op_RMEM16, store_HL ;6B nn nn ;LD HL,(nn) | |
4349 | instr fetch_nop, op_NEG, store_nop ;6C ;NEG | |
4350 | instr fetch_nop, op_RETN, store_nop ;6D ;RETN | |
4351 | instr fetch_nop, op_IM0, store_nop ;6E ;IM 0 | |
4352 | instr fetch2_mhl, op_RLD, store_mhl ;6F ;RLD | |
4353 | instr fetch_C, op_IN, store_nop ;70 ;IN (C) | |
4354 | instr fetch_0, op_OUT, store_nop ;71 ;OUT (C),0 | |
4355 | instr fetch_SP, op_SBCHL, store_nop ;72 ;SBC HL,SP | |
4356 | instr fetch_DIR16, op_STSP, store_nop ;73 nn nn ;LD (nn),SP | |
4357 | instr fetch_nop, op_NEG, store_nop ;74 ;NEG | |
4358 | instr fetch_nop, op_RETN, store_nop ;75 ;RETN | |
4359 | instr fetch_nop, op_IM1, store_nop ;76 ;IM 1 | |
4360 | instr fetch_nop, op_nop, store_nop ;77 ;NOP | |
4361 | instr fetch_C, op_IN, store2_A ;78 ;IN A,(C) | |
4362 | instr fetch_A, op_OUT, store_nop ;79 ;OUT (C),A | |
4363 | instr fetch_SP, op_ADCHL, store_nop ;7A ;ADC HL,SP | |
4364 | instr fetch_DIR16, op_RMEM16, store_SP ;7B nn nn ;LD SP,(nn) | |
4365 | instr fetch_nop, op_NEG, store_nop ;7C ;NEG | |
4366 | instr fetch_nop, op_RETN, store_nop ;7D ;RETN | |
4367 | instr fetch_nop, op_IM2, store_nop ;7E ;IM 2 | |
4368 | instr fetch_nop, op_nop, store_nop ;7F ;NOP | |
4369 | instr fetch_nop, op_nop, store_nop ;80 ;NOP | |
4370 | instr fetch_nop, op_nop, store_nop ;81 ;NOP | |
4371 | instr fetch_nop, op_nop, store_nop ;82 ;NOP | |
4372 | instr fetch_nop, op_nop, store_nop ;83 ;NOP | |
4373 | instr fetch_nop, op_nop, store_nop ;84 ;NOP | |
4374 | instr fetch_nop, op_nop, store_nop ;85 ;NOP | |
4375 | instr fetch_nop, op_nop, store_nop ;86 ;NOP | |
4376 | instr fetch_nop, op_nop, store_nop ;87 ;NOP | |
4377 | instr fetch_nop, op_nop, store_nop ;88 ;NOP | |
4378 | instr fetch_nop, op_nop, store_nop ;89 ;NOP | |
4379 | instr fetch_nop, op_nop, store_nop ;8A ;NOP | |
4380 | instr fetch_nop, op_nop, store_nop ;8B ;NOP | |
4381 | instr fetch_nop, op_nop, store_nop ;8C ;NOP | |
4382 | instr fetch_nop, op_nop, store_nop ;8D ;NOP | |
4383 | instr fetch_nop, op_nop, store_nop ;8E ;NOP | |
4384 | instr fetch_nop, op_nop, store_nop ;8F ;NOP | |
4385 | instr fetch_nop, op_nop, store_nop ;90 ;NOP | |
4386 | instr fetch_nop, op_nop, store_nop ;91 ;NOP | |
4387 | instr fetch_nop, op_nop, store_nop ;92 ;NOP | |
4388 | instr fetch_nop, op_nop, store_nop ;93 ;NOP | |
4389 | instr fetch_nop, op_nop, store_nop ;94 ;NOP | |
4390 | instr fetch_nop, op_nop, store_nop ;95 ;NOP | |
4391 | instr fetch_nop, op_nop, store_nop ;96 ;NOP | |
4392 | instr fetch_nop, op_nop, store_nop ;97 ;NOP | |
4393 | instr fetch_nop, op_nop, store_nop ;98 ;NOP | |
4394 | instr fetch_nop, op_nop, store_nop ;99 ;NOP | |
4395 | instr fetch_nop, op_nop, store_nop ;9A ;NOP | |
4396 | instr fetch_nop, op_nop, store_nop ;9B ;NOP | |
4397 | instr fetch_nop, op_nop, store_nop ;9C ;NOP | |
4398 | instr fetch_nop, op_nop, store_nop ;9D ;NOP | |
4399 | instr fetch_nop, op_nop, store_nop ;9E ;NOP | |
4400 | instr fetch_nop, op_nop, store_nop ;9F ;NOP | |
4401 | instr fetch_nop, op_LDI, store_nop ;A0 ;LDI | |
4402 | instr fetch_nop, op_CPI, store_nop ;A1 ;CPI | |
4403 | instr fetch_nop, op_INI, store_nop ;A2 ;INI | |
4404 | instr fetch_nop, op_OUTI, store_nop ;A3 ;OUTI | |
4405 | instr fetch_nop, op_nop, store_nop ;A4 ;NOP | |
4406 | instr fetch_nop, op_nop, store_nop ;A5 ;NOP | |
4407 | instr fetch_nop, op_nop, store_nop ;A6 ;NOP | |
4408 | instr fetch_nop, op_nop, store_nop ;A7 ;NOP | |
4409 | instr fetch_nop, op_LDD, store_nop ;A8 ;LDD | |
4410 | instr fetch_nop, op_CPD, store_nop ;A9 ;CPD | |
4411 | instr fetch_nop, op_IND, store_nop ;AA ;IND | |
4412 | instr fetch_nop, op_OUTD, store_nop ;AB ;OUTD | |
4413 | instr fetch_nop, op_nop, store_nop ;AC ;NOP | |
4414 | instr fetch_nop, op_nop, store_nop ;AD ;NOP | |
4415 | instr fetch_nop, op_nop, store_nop ;AE ;NOP | |
4416 | instr fetch_nop, op_nop, store_nop ;AF ;NOP | |
4417 | instr fetch_nop, op_LDIR, store_nop ;B0 ;LDIR | |
4418 | instr fetch_nop, op_CPIR, store_nop ;B1 ;CPIR | |
4419 | instr fetch_nop, op_INIR, store_nop ;B2 ;INIR | |
4420 | instr fetch_nop, op_OTIR, store_nop ;B3 ;OTIR | |
4421 | instr fetch_nop, op_nop, store_nop ;B4 ;NOP | |
4422 | instr fetch_nop, op_nop, store_nop ;B5 ;NOP | |
4423 | instr fetch_nop, op_nop, store_nop ;B6 ;NOP | |
4424 | instr fetch_nop, op_nop, store_nop ;B7 ;NOP | |
4425 | instr fetch_nop, op_LDDR, store_nop ;B8 ;LDDR | |
4426 | instr fetch_nop, op_CPDR, store_nop ;B9 ;CPDR | |
4427 | instr fetch_nop, op_INDR, store_nop ;BA ;INDR | |
4428 | instr fetch_nop, op_OTDR, store_nop ;BB ;OTDR | |
4429 | instr fetch_nop, op_nop, store_nop ;BC ;NOP | |
4430 | instr fetch_nop, op_nop, store_nop ;BD ;NOP | |
4431 | instr fetch_nop, op_nop, store_nop ;BE ;NOP | |
4432 | instr fetch_nop, op_nop, store_nop ;BF ;NOP | |
4433 | instr fetch_nop, op_nop, store_nop ;C0 ;NOP | |
4434 | instr fetch_nop, op_nop, store_nop ;C1 ;NOP | |
4435 | instr fetch_nop, op_nop, store_nop ;C2 ;NOP | |
4436 | instr fetch_nop, op_nop, store_nop ;C3 ;NOP | |
4437 | instr fetch_nop, op_nop, store_nop ;C4 ;NOP | |
4438 | instr fetch_nop, op_nop, store_nop ;C5 ;NOP | |
4439 | instr fetch_nop, op_nop, store_nop ;C6 ;NOP | |
4440 | instr fetch_nop, op_nop, store_nop ;C7 ;NOP | |
4441 | instr fetch_nop, op_nop, store_nop ;C8 ;NOP | |
4442 | instr fetch_nop, op_nop, store_nop ;C9 ;NOP | |
4443 | instr fetch_nop, op_nop, store_nop ;CA ;NOP | |
4444 | instr fetch_nop, op_nop, store_nop ;CB ;NOP | |
4445 | instr fetch_nop, op_nop, store_nop ;CC ;NOP | |
4446 | instr fetch_nop, op_nop, store_nop ;CD ;NOP | |
4447 | instr fetch_nop, op_nop, store_nop ;CE ;NOP | |
4448 | instr fetch_nop, op_nop, store_nop ;CF ;NOP | |
4449 | instr fetch_nop, op_nop, store_nop ;D0 ;NOP | |
4450 | instr fetch_nop, op_nop, store_nop ;D1 ;NOP | |
4451 | instr fetch_nop, op_nop, store_nop ;D2 ;NOP | |
4452 | instr fetch_nop, op_nop, store_nop ;D3 ;NOP | |
4453 | instr fetch_nop, op_nop, store_nop ;D4 ;NOP | |
4454 | instr fetch_nop, op_nop, store_nop ;D5 ;NOP | |
4455 | instr fetch_nop, op_nop, store_nop ;D6 ;NOP | |
4456 | instr fetch_nop, op_nop, store_nop ;D7 ;NOP | |
4457 | instr fetch_nop, op_nop, store_nop ;D8 ;NOP | |
4458 | instr fetch_nop, op_nop, store_nop ;D9 ;NOP | |
4459 | instr fetch_nop, op_nop, store_nop ;DA ;NOP | |
4460 | instr fetch_nop, op_nop, store_nop ;DB ;NOP | |
4461 | instr fetch_nop, op_nop, store_nop ;DC ;NOP | |
4462 | instr fetch_nop, op_nop, store_nop ;DD ;NOP | |
4463 | instr fetch_nop, op_nop, store_nop ;DE ;NOP | |
4464 | instr fetch_nop, op_nop, store_nop ;DF ;NOP | |
4465 | instr fetch_nop, op_nop, store_nop ;E0 ;NOP | |
4466 | instr fetch_nop, op_nop, store_nop ;E1 ;NOP | |
4467 | instr fetch_nop, op_nop, store_nop ;E2 ;NOP | |
4468 | instr fetch_nop, op_nop, store_nop ;E3 ;NOP | |
4469 | instr fetch_nop, op_nop, store_nop ;E4 ;NOP | |
4470 | instr fetch_nop, op_nop, store_nop ;E5 ;NOP | |
4471 | instr fetch_nop, op_nop, store_nop ;E6 ;NOP | |
4472 | instr fetch_nop, op_nop, store_nop ;E7 ;NOP | |
4473 | instr fetch_nop, op_nop, store_nop ;E8 ;NOP | |
4474 | instr fetch_nop, op_nop, store_nop ;E9 ;NOP | |
4475 | instr fetch_nop, op_nop, store_nop ;EA ;NOP | |
4476 | instr fetch_nop, op_nop, store_nop ;EB ;NOP | |
4477 | instr fetch_nop, op_nop, store_nop ;EC ;NOP | |
4478 | instr fetch_nop, op_nop, store_nop ;ED ;NOP | |
4479 | instr fetch_nop, op_nop, store_nop ;EE ;NOP | |
4480 | instr fetch_nop, op_nop, store_nop ;EF ;NOP | |
4481 | instr fetch_nop, op_nop, store_nop ;F0 ;NOP | |
4482 | instr fetch_nop, op_nop, store_nop ;F1 ;NOP | |
4483 | instr fetch_nop, op_nop, store_nop ;F2 ;NOP | |
4484 | instr fetch_nop, op_nop, store_nop ;F3 ;NOP | |
4485 | instr fetch_nop, op_nop, store_nop ;F4 ;NOP | |
4486 | instr fetch_nop, op_nop, store_nop ;F5 ;NOP | |
4487 | instr fetch_nop, op_nop, store_nop ;F6 ;NOP | |
4488 | instr fetch_nop, op_nop, store_nop ;F7 ;NOP | |
4489 | instr fetch_nop, op_nop, store_nop ;F8 ;NOP | |
4490 | instr fetch_nop, op_nop, store_nop ;F9 ;NOP | |
4491 | instr fetch_nop, op_nop, store_nop ;FA ;NOP | |
4492 | instr fetch_nop, op_nop, store_nop ;FB ;NOP | |
4493 | instr fetch_nop, op_nop, store_nop ;FC ;NOP | |
4494 | instr fetch_nop, op_nop, store_nop ;FD ;NOP | |
4495 | instr fetch_nop, op_nop, store_nop ;FE ;NOP | |
4496 | instr fetch_nop, op_nop, store_nop ;FF ;NOP | |
4497 | #endif | |
fa9059af L |
4498 | |
4499 | #endif | |
4500 | ||
4501 | ;---------------------------------------------------------------- | |
4502 | ; Lookup table, stolen from z80ex, Z80 emulation library. | |
4503 | ; http://z80ex.sourceforge.net/ | |
4504 | ||
4bd49b80 | 4505 | ; The S, Z, 5 and 3 bits and the parity of the lookup value |
fa9059af | 4506 | |
5c8bb361 | 4507 | checkspace PC, 256 |
623dd899 L |
4508 | |
4509 | .org (PC+255) & 0xff00 | |
fa9059af | 4510 | ; .org opcjmp + 256 |
e7a0f403 | 4511 | ; .org FLASHEND & 0xff00 |
fa9059af L |
4512 | |
4513 | sz53p_tab: | |
4514 | .db 0x44,0x00,0x00,0x04,0x00,0x04,0x04,0x00 | |
4515 | .db 0x08,0x0c,0x0c,0x08,0x0c,0x08,0x08,0x0c | |
4516 | .db 0x00,0x04,0x04,0x00,0x04,0x00,0x00,0x04 | |
4517 | .db 0x0c,0x08,0x08,0x0c,0x08,0x0c,0x0c,0x08 | |
4518 | .db 0x20,0x24,0x24,0x20,0x24,0x20,0x20,0x24 | |
4519 | .db 0x2c,0x28,0x28,0x2c,0x28,0x2c,0x2c,0x28 | |
4520 | .db 0x24,0x20,0x20,0x24,0x20,0x24,0x24,0x20 | |
4521 | .db 0x28,0x2c,0x2c,0x28,0x2c,0x28,0x28,0x2c | |
4522 | .db 0x00,0x04,0x04,0x00,0x04,0x00,0x00,0x04 | |
4523 | .db 0x0c,0x08,0x08,0x0c,0x08,0x0c,0x0c,0x08 | |
4524 | .db 0x04,0x00,0x00,0x04,0x00,0x04,0x04,0x00 | |
4525 | .db 0x08,0x0c,0x0c,0x08,0x0c,0x08,0x08,0x0c | |
4526 | .db 0x24,0x20,0x20,0x24,0x20,0x24,0x24,0x20 | |
4527 | .db 0x28,0x2c,0x2c,0x28,0x2c,0x28,0x28,0x2c | |
4528 | .db 0x20,0x24,0x24,0x20,0x24,0x20,0x20,0x24 | |
4529 | .db 0x2c,0x28,0x28,0x2c,0x28,0x2c,0x2c,0x28 | |
4530 | .db 0x80,0x84,0x84,0x80,0x84,0x80,0x80,0x84 | |
4531 | .db 0x8c,0x88,0x88,0x8c,0x88,0x8c,0x8c,0x88 | |
4532 | .db 0x84,0x80,0x80,0x84,0x80,0x84,0x84,0x80 | |
4533 | .db 0x88,0x8c,0x8c,0x88,0x8c,0x88,0x88,0x8c | |
4534 | .db 0xa4,0xa0,0xa0,0xa4,0xa0,0xa4,0xa4,0xa0 | |
4535 | .db 0xa8,0xac,0xac,0xa8,0xac,0xa8,0xa8,0xac | |
4536 | .db 0xa0,0xa4,0xa4,0xa0,0xa4,0xa0,0xa0,0xa4 | |
4537 | .db 0xac,0xa8,0xa8,0xac,0xa8,0xac,0xac,0xa8 | |
4538 | .db 0x84,0x80,0x80,0x84,0x80,0x84,0x84,0x80 | |
4539 | .db 0x88,0x8c,0x8c,0x88,0x8c,0x88,0x88,0x8c | |
4540 | .db 0x80,0x84,0x84,0x80,0x84,0x80,0x80,0x84 | |
4541 | .db 0x8c,0x88,0x88,0x8c,0x88,0x8c,0x8c,0x88 | |
4542 | .db 0xa0,0xa4,0xa4,0xa0,0xa4,0xa0,0xa0,0xa4 | |
4543 | .db 0xac,0xa8,0xa8,0xac,0xa8,0xac,0xac,0xa8 | |
4544 | .db 0xa4,0xa0,0xa0,0xa4,0xa0,0xa4,0xa4,0xa0 | |
4545 | .db 0xa8,0xac,0xac,0xa8,0xac,0xa8,0xa8,0xac | |
fa9059af | 4546 | |
4bd49b80 | 4547 | ; vim:set ts=8 noet nowrap |