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Commit | Line | Data |
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ea5293bb L |
1 | page 255\r |
2 | .z80\r | |
3 | \r | |
4 | \r | |
5 | global msginit\r | |
6 | ; global msg.ist,msg.in,msg.ost,msg.out\r | |
7 | ; global msg.sout\r | |
8 | global msg.sm,msg.recv\r | |
9 | \r | |
1e1c17d3 | 10 | extrn bufinit,hwl2phy,phy2log\r |
ea5293bb L |
11 | extrn fifolst\r |
12 | \r | |
3c56f4c2 L |
13 | maclib z180reg.inc\r |
14 | maclib config.inc\r | |
ea5293bb L |
15 | \r |
16 | \r | |
2a413c0d | 17 | dseg\r |
ea5293bb L |
18 | mkbuf 0,mtx.fifo,mtx.fifo_len\r |
19 | mkbuf 1,mrx.fifo,mrx.fifo_len\r | |
20 | \r | |
40df51ae L |
21 | itx equ 0*2\r |
22 | irx equ 1*2\r | |
ea5293bb L |
23 | \r |
24 | ;--------------------------------------------------------------\r | |
25 | ;\r | |
40df51ae | 26 | ; Init message fifos\r |
ea5293bb L |
27 | ;\r |
28 | dseg\r | |
ea5293bb | 29 | msginit:\r |
40df51ae | 30 | ld a,(043h)\r |
1e1c17d3 | 31 | \r |
40df51ae | 32 | ;TODO: value should be 0\r |
1e1c17d3 | 33 | \r |
ea5293bb | 34 | ld ix,mtx.fifo\r |
ea5293bb | 35 | call bufinit\r |
1e1c17d3 L |
36 | push ix\r |
37 | pop hl\r | |
40df51ae L |
38 | call hwl2phy\r |
39 | ld (040h),hl\r | |
40 | ld (040h+2),a\r | |
41 | ld a,0ffh\r | |
42 | ld (043h),a\r | |
43 | out (AVRINT5),a\r | |
44 | wait:\r | |
45 | ld a,(043h)\r | |
46 | or a\r | |
47 | jr nz,wait\r | |
48 | \r | |
ea5293bb | 49 | ld ix,mrx.fifo\r |
ea5293bb L |
50 | jp bufinit\r |
51 | \r | |
52 | \r | |
53 | ;--------------------------------------------------------------\r | |
54 | \r | |
2a413c0d | 55 | dseg\r |
ea5293bb L |
56 | msgi.st:\r |
57 | push ix\r | |
58 | ld ix,(fifolst+irx) ;\r | |
59 | \r | |
60 | buf.empty:\r | |
61 | ld a,(ix+o.in_idx) ;\r | |
62 | sub (ix+o.out_idx) ;\r | |
63 | pop ix\r | |
64 | ret z\r | |
65 | or 0ffh\r | |
66 | ret\r | |
67 | \r | |
68 | ;--------------------------------------------------------------\r | |
69 | \r | |
70 | msg.in:\r | |
71 | push ix\r | |
72 | ld ix,(fifolst+irx) ;\r | |
73 | \r | |
74 | buf.get:\r | |
75 | ld a,(ix+o.out_idx) ;\r | |
76 | bg.wait:\r | |
77 | cp (ix+o.in_idx) ;\r | |
78 | jr z,bg.wait\r | |
79 | \r | |
afbcea2d L |
80 | push ix ;\r |
81 | ex (sp),hl ;\r | |
ea5293bb L |
82 | add a,l\r |
83 | ld l,a\r | |
84 | jr nc,bg.nc\r | |
85 | inc h\r | |
86 | bg.nc:\r | |
87 | ld l,(hl)\r | |
88 | \r | |
89 | ld a,(ix+o.out_idx) ;\r | |
90 | inc a\r | |
91 | and (ix+o.mask)\r | |
92 | ld (ix+o.out_idx),a\r | |
93 | \r | |
94 | ld a,l\r | |
95 | pop hl\r | |
96 | pop ix\r | |
97 | ret\r | |
98 | \r | |
99 | \r | |
100 | ;----------------------------------------------------------------------\r | |
101 | ; Receive message\r | |
102 | ;\r | |
103 | ; hl: pointer to receive buffer\r | |
104 | ; b: receive buffer size\r | |
105 | ; return:\r | |
106 | ; data in buffer, buffer[0] has len\r | |
107 | ; bc, a: destroyed\r | |
108 | \r | |
109 | ; TODO: time out\r | |
110 | ; TODO: return number of stored chars\r | |
111 | ; TODO: result code\r | |
112 | \r | |
113 | msg.recv:\r | |
ea5293bb L |
114 | call msg.in\r |
115 | cp 0AEh\r | |
afbcea2d | 116 | jr nz,msg.recv\r |
ea5293bb L |
117 | call msg.in ; get message length\r |
118 | ld c,a\r | |
119 | inc c\r | |
120 | jr mr_do\r | |
ea5293bb | 121 | mr_next:\r |
afbcea2d L |
122 | dec c ; while chars in input buffer\r |
123 | ret z\r | |
ea5293bb L |
124 | call msg.in ; get next\r |
125 | mr_do:\r | |
ea5293bb | 126 | dec b\r |
afbcea2d L |
127 | jp p,mr_store\r |
128 | inc b\r | |
129 | jr mr_next\r | |
130 | mr_store:\r | |
131 | ld (hl),a ; store char\r | |
132 | inc hl\r | |
ea5293bb L |
133 | jr mr_next ;\r |
134 | \r | |
ea5293bb L |
135 | ;--------------------------------------------------------------\r |
136 | \r | |
137 | msgo.st:\r | |
138 | push ix\r | |
139 | ld ix,(fifolst+itx) ;\r | |
140 | \r | |
141 | buf.full:\r | |
142 | ld a,(ix+o.in_idx) ;\r | |
143 | inc a\r | |
144 | and (ix+o.mask)\r | |
145 | sub (ix+o.out_idx) ;\r | |
146 | pop ix\r | |
147 | ret z\r | |
148 | or 0ffh\r | |
149 | ret\r | |
150 | \r | |
151 | ;--------------------------------------------------------------\r | |
152 | \r | |
153 | if 0\r | |
154 | \r | |
155 | msg.out:\r | |
156 | push ix\r | |
157 | ld ix,(fifolst+itx) ;\r | |
158 | \r | |
ea5293bb L |
159 | push bc\r |
160 | push ix\r | |
afbcea2d | 161 | ex (sp),hl ;\r |
ea5293bb L |
162 | ld c,(ix+o.in_idx) ;\r |
163 | ld b,0\r | |
164 | add hl,bc\r | |
165 | ld b,a\r | |
166 | \r | |
167 | ld a,c ;\r | |
168 | inc a\r | |
169 | and (ix+o.mask)\r | |
170 | bp.wait:\r | |
171 | cp (ix+o.out_idx) ;\r | |
172 | jr z,bp.wait\r | |
173 | ld (hl),b\r | |
174 | ld (ix+o.in_idx),a\r | |
175 | \r | |
176 | ld a,b\r | |
177 | out (AVRINT5),a\r | |
ea5293bb | 178 | pop hl\r |
afbcea2d | 179 | pop bc\r |
ea5293bb L |
180 | pop ix\r |
181 | ret\r | |
182 | \r | |
183 | endif\r | |
184 | \r | |
185 | ;--------------------------------------------------------------\r | |
186 | \r | |
187 | if 0\r | |
188 | \r | |
189 | msg.out:\r | |
190 | push ix\r | |
191 | ld ix,(fifolst+itx) ;\r | |
192 | \r | |
193 | push bc\r | |
194 | ld c,(ix+o.in_idx) ;\r | |
195 | ld b,0\r | |
196 | push ix ;14\r | |
197 | add ix,bc ;10\r | |
198 | ld (ix+0),a ;15\r | |
199 | pop ix ;12=51\r | |
200 | ld b,a ; 4\r | |
201 | ld a,c ;\r | |
202 | inc a ;\r | |
203 | and (ix+o.mask) ;\r | |
204 | bp.wait:\r | |
205 | cp (ix+o.out_idx) ;\r | |
206 | jr z,bp.wait ;\r | |
207 | ld (ix+o.in_idx),a ;\r | |
208 | \r | |
209 | ld a,b\r | |
210 | out (AVRINT5),a\r | |
211 | pop bc\r | |
212 | pop ix\r | |
213 | ret\r | |
214 | \r | |
215 | endif\r | |
216 | ;--------------------------------------------------------------\r | |
217 | \r | |
218 | if 0\r | |
219 | ; Works only, if buffer size < (128 - 3)\r | |
220 | ; --> mask must be 03fh or less\r | |
221 | \r | |
222 | msg.out:\r | |
223 | push ix\r | |
224 | ld ix,(fifolst+itx) ;\r | |
225 | \r | |
226 | push bc\r | |
227 | ld b,a ; 4\r | |
228 | ld a,(ix+o.in_idx) ;14\r | |
229 | ld ($ + 3 + 2),a ;15\r | |
230 | ld (ix+0),b ;15\r | |
231 | inc a ;\r | |
232 | and (ix+o.mask) ;\r | |
233 | bp.wait:\r | |
234 | cp (ix+o.out_idx) ;\r | |
235 | jr z,bp.wait ;\r | |
236 | ld (ix+o.in_idx),a ;\r | |
237 | \r | |
238 | ld a,b\r | |
239 | out (AVRINT5),a\r | |
240 | pop bc\r | |
241 | pop ix\r | |
242 | ret\r | |
243 | \r | |
244 | endif\r | |
245 | \r | |
246 | ;--------------------------------------------------------------\r | |
247 | ;\r | |
248 | ; (hl): data\r | |
249 | \r | |
250 | if 0\r | |
251 | \r | |
252 | msg.sout:\r | |
253 | push ix ;14\r | |
254 | ld ix,(fifolst+itx) ;12\r | |
255 | push bc ;11\r | |
256 | push de ;11\r | |
257 | ld c,(hl) ; 6\r | |
258 | ld b,0 ; 6\r | |
259 | inc hl ; 7\r | |
260 | ms.ol: ; \\r | |
261 | TODO: ld a,low mtx.fifo ; 6 does not work with DR LINK-80\r | |
262 | --> (fifolst+itx+0)\r | |
263 | add a,(ix+o.in_idx) ;14\r | |
264 | ld e,a ; 4\r | |
265 | ld a,high mtx.fifo ; 6 does not work with DR LINK-80\r | |
266 | --> (fifolst+itx+1)\r | |
267 | adc a,b ; 4\r | |
268 | ld d,a ; 4\r | |
269 | \r | |
270 | ld a,(ix+o.in_idx) ;14\r | |
271 | inc a ; 4\r | |
272 | and (ix+o.mask) ;14\r | |
273 | ms.wait:\r | |
274 | cp (ix+o.out_idx) ;14\r | |
275 | jr z,ms.wait ; 6/8\r | |
276 | \r | |
277 | ldi ;12\r | |
278 | ld (ix+o.in_idx),a ;15\r | |
279 | jp pe,ms.ol ; 6/9 -- 126\r | |
280 | \r | |
281 | out (AVRINT5),a ;10\r | |
282 | pop de ; 9\r | |
283 | pop bc ; 9\r | |
284 | pop ix ;12\r | |
285 | ret ; 9\r | |
286 | \r | |
287 | endif\r | |
288 | \r | |
289 | ;--------------------------------------------------------------\r | |
290 | ;\r | |
291 | ; (hl): data\r | |
292 | \r | |
293 | if 1\r | |
294 | \r | |
295 | msg.sout:\r | |
296 | push ix ;14\r | |
297 | ld ix,(fifolst+itx) ;12\r | |
298 | push bc ;11\r | |
299 | push de ;11\r | |
300 | ld b,(hl) ; 6\r | |
301 | inc hl ; 4\r | |
302 | ex de,hl ; 3\r | |
afbcea2d | 303 | ms.ol: ;\r |
ea5293bb L |
304 | push ix ;14\r |
305 | pop hl ; 9\r | |
306 | ld c,(ix+o.in_idx) ;14\r | |
307 | ld a,c ; 4\r | |
308 | add l ; 4\r | |
309 | ld l,a ; 4\r | |
310 | jr nc,ms.on ; 6/8\r | |
311 | inc h ; 4\r | |
312 | ms.on:\r | |
313 | ld a,c ; 4\r | |
314 | inc a ; 4\r | |
315 | and (ix+o.mask) ;14\r | |
316 | ms.wait:\r | |
317 | cp (ix+o.out_idx) ;14\r | |
318 | jr z,ms.wait ; 6/8\r | |
319 | ld c,a ; 4\r | |
320 | ld a,(de) ; 6\r | |
321 | inc de ; 4\r | |
322 | ld (hl),a ; 7\r | |
323 | ld (ix+o.in_idx),c ;15\r | |
324 | djnz ms.ol ; 7/9 -- 130\r | |
325 | \r | |
326 | out (AVRINT5),a ;10\r | |
327 | ex de,hl ; 3\r | |
328 | pop de ; 9\r | |
329 | pop bc ; 9\r | |
330 | pop ix ;12\r | |
331 | ret ; 9\r | |
332 | \r | |
333 | endif\r | |
334 | \r | |
335 | ;----------------------------------------------------------------------\r | |
336 | \r | |
337 | \r | |
338 | \r | |
339 | ; Send message\r | |
340 | ; b: msg length\r | |
341 | ; hl: pointer to message (netto)\r | |
342 | \r | |
343 | msg.snd:\r | |
344 | push ix\r | |
345 | ld ix,(fifolst+itx)\r | |
346 | ld c,0AEh\r | |
347 | call buf.put\r | |
348 | msnd_l:\r | |
349 | ld c,(hl)\r | |
350 | inc hl\r | |
351 | call buf.put\r | |
352 | djnz msnd_l\r | |
353 | pop ix\r | |
354 | ret\r | |
355 | \r | |
356 | \r | |
357 | ;----------------------------------------------------------------------\r | |
358 | ;\r | |
359 | ; Put char in message buffer:\r | |
360 | ; ix: buffer to put into\r | |
361 | ; c: char\r | |
362 | \r | |
363 | buf.put:\r | |
364 | push ix ;15\r | |
afbcea2d | 365 | ex (sp),hl ;16\r |
ea5293bb | 366 | ld a,(ix+o.in_idx) ;19\r |
afbcea2d L |
367 | add a,l ; 4\r |
368 | ld l,a ; 4\r | |
369 | jr nc,bufp.1 ;12/7\r | |
370 | inc h ; 4\r | |
371 | bufp.1:\r | |
372 | ld (hl),c ; 7\r | |
373 | pop hl ;10\r | |
ea5293bb | 374 | \r |
afbcea2d | 375 | ld a,(ix+o.in_idx) ;19\r |
ea5293bb | 376 | inc a ;4\r |
afbcea2d | 377 | and (ix+o.mask) ;19 =129\r |
ea5293bb L |
378 | bufp.wait:\r |
379 | cp (ix+o.out_idx) ;19\r | |
380 | jr z,bufp.wait ;12/7\r | |
381 | ld (ix+o.in_idx),a ;19\r | |
382 | \r | |
383 | out (AVRINT5),a ;11\r | |
384 | ld a,c ;4\r | |
afbcea2d | 385 | ret ;10 =199\r |
ea5293bb L |
386 | \r |
387 | ;----------------------------------------------------------------------\r | |
388 | ; Send message MEMORY\r | |
389 | ;\r | |
390 | ; hl: pointer to message (netto)\r | |
391 | ; b: msg length\r | |
392 | \r | |
393 | msg.sm:\r | |
394 | push ix\r | |
395 | ld ix,(fifolst+itx)\r | |
396 | ld c,0AEh\r | |
397 | call buf.put\r | |
398 | ld c,b\r | |
399 | call buf.put\r | |
400 | msm_l:\r | |
401 | ld c,(hl)\r | |
402 | inc hl\r | |
403 | call buf.put\r | |
404 | djnz msm_l\r | |
405 | pop ix\r | |
406 | ret\r | |
407 | \r | |
408 | \r | |
409 | ;----------------------------------------------------------------------\r | |
410 | ; Send message INLINE\r | |
411 | ;\r | |
412 | ; h: function\r | |
413 | ; l: subfunction\r | |
414 | ; b: msg length\r | |
415 | \r | |
416 | if 0\r | |
417 | \r | |
418 | msg.sil:\r | |
419 | ex (sp),hl\r | |
420 | push ix\r | |
421 | ld ix,(fifolst+itx)\r | |
422 | ld c,0AEh\r | |
423 | call buf.put\r | |
424 | ld b,(hl)\r | |
425 | msnd_pl:\r | |
426 | ld c,(hl)\r | |
427 | inc hl\r | |
428 | call puf.put\r | |
429 | djnz msnd_pl\r | |
430 | ex (sp),hl\r | |
431 | pop ix\r | |
432 | ret\r | |
433 | \r | |
434 | endif\r | |
435 | \r | |
436 | ;--------------------------------------------------------------\r | |
437 | \r | |
438 | if 0\r | |
439 | \r | |
440 | msg.co:\r | |
441 | push af\r | |
442 | push hl\r | |
443 | ld (buf_char),a\r | |
444 | ld hl,buf\r | |
445 | call msg.sout\r | |
446 | pop hl\r | |
447 | pop af\r | |
448 | ret\r | |
449 | \r | |
450 | buf:\r | |
451 | db buf_end - $ - 1 ;output string length\r | |
452 | db 0AEh ; message start token\r | |
453 | db buf_end - $ - 1 ; message length\r | |
454 | db 1 ; command\r | |
455 | db 1 ; subcommand\r | |
456 | buf_char:\r | |
457 | db 0 ; pay load\r | |
458 | buf_end:\r | |
459 | \r | |
460 | endif\r | |
461 | \r | |
462 | ;--------------------------------------------------------------\r | |
463 | \r | |
464 | \r | |
465 | \r | |
466 | end\r |