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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 | |
13 | include config.inc\r | |
14 | include z180reg.inc\r | |
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 L |
29 | msginit:\r |
30 | ld a,(INIDONE)\r | |
31 | cp INIDONEVAL\r | |
32 | jr nz,msgi_1\r | |
33 | \r | |
34 | ld hl,(040h)\r | |
1e1c17d3 L |
35 | ld a,(040h+2)\r |
36 | call phy2log\r | |
37 | \r | |
ea5293bb L |
38 | ld a,l\r |
39 | or h\r | |
40 | jr z,msgi_1\r | |
41 | \r | |
42 | ld de,fifolst\r | |
40df51ae | 43 | ld bc,4*2\r |
ea5293bb L |
44 | ldir\r |
45 | ret\r | |
46 | \r | |
47 | msgi_1:\r | |
40df51ae | 48 | ld a,(043h)\r |
1e1c17d3 | 49 | \r |
40df51ae | 50 | ;TODO: value should be 0\r |
1e1c17d3 | 51 | \r |
ea5293bb | 52 | ld ix,mtx.fifo\r |
ea5293bb | 53 | call bufinit\r |
1e1c17d3 L |
54 | push ix\r |
55 | pop hl\r | |
40df51ae L |
56 | call hwl2phy\r |
57 | ld (040h),hl\r | |
58 | ld (040h+2),a\r | |
59 | ld a,0ffh\r | |
60 | ld (043h),a\r | |
61 | out (AVRINT5),a\r | |
62 | wait:\r | |
63 | ld a,(043h)\r | |
64 | or a\r | |
65 | jr nz,wait\r | |
66 | \r | |
ea5293bb | 67 | ld ix,mrx.fifo\r |
ea5293bb L |
68 | jp bufinit\r |
69 | \r | |
70 | \r | |
71 | ;--------------------------------------------------------------\r | |
72 | \r | |
2a413c0d | 73 | dseg\r |
ea5293bb L |
74 | msgi.st:\r |
75 | push ix\r | |
76 | ld ix,(fifolst+irx) ;\r | |
77 | \r | |
78 | buf.empty:\r | |
79 | ld a,(ix+o.in_idx) ;\r | |
80 | sub (ix+o.out_idx) ;\r | |
81 | pop ix\r | |
82 | ret z\r | |
83 | or 0ffh\r | |
84 | ret\r | |
85 | \r | |
86 | ;--------------------------------------------------------------\r | |
87 | \r | |
88 | msg.in:\r | |
89 | push ix\r | |
90 | ld ix,(fifolst+irx) ;\r | |
91 | \r | |
92 | buf.get:\r | |
93 | ld a,(ix+o.out_idx) ;\r | |
94 | bg.wait:\r | |
95 | cp (ix+o.in_idx) ;\r | |
96 | jr z,bg.wait\r | |
97 | \r | |
98 | push hl ;\r | |
99 | push ix\r | |
100 | pop hl\r | |
101 | add a,l\r | |
102 | ld l,a\r | |
103 | jr nc,bg.nc\r | |
104 | inc h\r | |
105 | bg.nc:\r | |
106 | ld l,(hl)\r | |
107 | \r | |
108 | ld a,(ix+o.out_idx) ;\r | |
109 | inc a\r | |
110 | and (ix+o.mask)\r | |
111 | ld (ix+o.out_idx),a\r | |
112 | \r | |
113 | ld a,l\r | |
114 | pop hl\r | |
115 | pop ix\r | |
116 | ret\r | |
117 | \r | |
118 | \r | |
119 | ;----------------------------------------------------------------------\r | |
120 | ; Receive message\r | |
121 | ;\r | |
122 | ; hl: pointer to receive buffer\r | |
123 | ; b: receive buffer size\r | |
124 | ; return:\r | |
125 | ; data in buffer, buffer[0] has len\r | |
126 | ; bc, a: destroyed\r | |
127 | \r | |
128 | ; TODO: time out\r | |
129 | ; TODO: return number of stored chars\r | |
130 | ; TODO: result code\r | |
131 | \r | |
132 | msg.recv:\r | |
133 | push de\r | |
134 | \r | |
135 | mr_wait_start:\r | |
136 | call msg.in\r | |
137 | cp 0AEh\r | |
138 | jr nz,mr_wait_start\r | |
139 | \r | |
140 | call msg.in ; get message length\r | |
141 | ld c,a\r | |
142 | inc c\r | |
143 | jr mr_do\r | |
144 | \r | |
145 | mr_next:\r | |
146 | dec c\r | |
147 | jr z,mr_exit ; while chars in input buffer\r | |
148 | call msg.in ; get next\r | |
149 | mr_do:\r | |
150 | ld e,a\r | |
151 | ld a,b\r | |
152 | or a ; if room in output buffer\r | |
153 | jr z,mr_skip\r | |
154 | ld (hl),e ; store char\r | |
155 | inc hl\r | |
156 | dec b\r | |
157 | mr_skip:\r | |
158 | jr mr_next ;\r | |
159 | \r | |
160 | mr_exit:\r | |
161 | pop de\r | |
162 | ret\r | |
163 | \r | |
164 | ;--------------------------------------------------------------\r | |
165 | \r | |
166 | msgo.st:\r | |
167 | push ix\r | |
168 | ld ix,(fifolst+itx) ;\r | |
169 | \r | |
170 | buf.full:\r | |
171 | ld a,(ix+o.in_idx) ;\r | |
172 | inc a\r | |
173 | and (ix+o.mask)\r | |
174 | sub (ix+o.out_idx) ;\r | |
175 | pop ix\r | |
176 | ret z\r | |
177 | or 0ffh\r | |
178 | ret\r | |
179 | \r | |
180 | ;--------------------------------------------------------------\r | |
181 | \r | |
182 | if 0\r | |
183 | \r | |
184 | msg.out:\r | |
185 | push ix\r | |
186 | ld ix,(fifolst+itx) ;\r | |
187 | \r | |
188 | push hl ;\r | |
189 | push bc\r | |
190 | push ix\r | |
191 | pop hl\r | |
192 | ld c,(ix+o.in_idx) ;\r | |
193 | ld b,0\r | |
194 | add hl,bc\r | |
195 | ld b,a\r | |
196 | \r | |
197 | ld a,c ;\r | |
198 | inc a\r | |
199 | and (ix+o.mask)\r | |
200 | bp.wait:\r | |
201 | cp (ix+o.out_idx) ;\r | |
202 | jr z,bp.wait\r | |
203 | ld (hl),b\r | |
204 | ld (ix+o.in_idx),a\r | |
205 | \r | |
206 | ld a,b\r | |
207 | out (AVRINT5),a\r | |
208 | pop bc\r | |
209 | pop hl\r | |
210 | pop ix\r | |
211 | ret\r | |
212 | \r | |
213 | endif\r | |
214 | \r | |
215 | ;--------------------------------------------------------------\r | |
216 | \r | |
217 | if 0\r | |
218 | \r | |
219 | msg.out:\r | |
220 | push ix\r | |
221 | ld ix,(fifolst+itx) ;\r | |
222 | \r | |
223 | push bc\r | |
224 | ld c,(ix+o.in_idx) ;\r | |
225 | ld b,0\r | |
226 | push ix ;14\r | |
227 | add ix,bc ;10\r | |
228 | ld (ix+0),a ;15\r | |
229 | pop ix ;12=51\r | |
230 | ld b,a ; 4\r | |
231 | ld a,c ;\r | |
232 | inc a ;\r | |
233 | and (ix+o.mask) ;\r | |
234 | bp.wait:\r | |
235 | cp (ix+o.out_idx) ;\r | |
236 | jr z,bp.wait ;\r | |
237 | ld (ix+o.in_idx),a ;\r | |
238 | \r | |
239 | ld a,b\r | |
240 | out (AVRINT5),a\r | |
241 | pop bc\r | |
242 | pop ix\r | |
243 | ret\r | |
244 | \r | |
245 | endif\r | |
246 | ;--------------------------------------------------------------\r | |
247 | \r | |
248 | if 0\r | |
249 | ; Works only, if buffer size < (128 - 3)\r | |
250 | ; --> mask must be 03fh or less\r | |
251 | \r | |
252 | msg.out:\r | |
253 | push ix\r | |
254 | ld ix,(fifolst+itx) ;\r | |
255 | \r | |
256 | push bc\r | |
257 | ld b,a ; 4\r | |
258 | ld a,(ix+o.in_idx) ;14\r | |
259 | ld ($ + 3 + 2),a ;15\r | |
260 | ld (ix+0),b ;15\r | |
261 | inc a ;\r | |
262 | and (ix+o.mask) ;\r | |
263 | bp.wait:\r | |
264 | cp (ix+o.out_idx) ;\r | |
265 | jr z,bp.wait ;\r | |
266 | ld (ix+o.in_idx),a ;\r | |
267 | \r | |
268 | ld a,b\r | |
269 | out (AVRINT5),a\r | |
270 | pop bc\r | |
271 | pop ix\r | |
272 | ret\r | |
273 | \r | |
274 | endif\r | |
275 | \r | |
276 | ;--------------------------------------------------------------\r | |
277 | ;\r | |
278 | ; (hl): data\r | |
279 | \r | |
280 | if 0\r | |
281 | \r | |
282 | msg.sout:\r | |
283 | push ix ;14\r | |
284 | ld ix,(fifolst+itx) ;12\r | |
285 | push bc ;11\r | |
286 | push de ;11\r | |
287 | ld c,(hl) ; 6\r | |
288 | ld b,0 ; 6\r | |
289 | inc hl ; 7\r | |
290 | ms.ol: ; \\r | |
291 | TODO: ld a,low mtx.fifo ; 6 does not work with DR LINK-80\r | |
292 | --> (fifolst+itx+0)\r | |
293 | add a,(ix+o.in_idx) ;14\r | |
294 | ld e,a ; 4\r | |
295 | ld a,high mtx.fifo ; 6 does not work with DR LINK-80\r | |
296 | --> (fifolst+itx+1)\r | |
297 | adc a,b ; 4\r | |
298 | ld d,a ; 4\r | |
299 | \r | |
300 | ld a,(ix+o.in_idx) ;14\r | |
301 | inc a ; 4\r | |
302 | and (ix+o.mask) ;14\r | |
303 | ms.wait:\r | |
304 | cp (ix+o.out_idx) ;14\r | |
305 | jr z,ms.wait ; 6/8\r | |
306 | \r | |
307 | ldi ;12\r | |
308 | ld (ix+o.in_idx),a ;15\r | |
309 | jp pe,ms.ol ; 6/9 -- 126\r | |
310 | \r | |
311 | out (AVRINT5),a ;10\r | |
312 | pop de ; 9\r | |
313 | pop bc ; 9\r | |
314 | pop ix ;12\r | |
315 | ret ; 9\r | |
316 | \r | |
317 | endif\r | |
318 | \r | |
319 | ;--------------------------------------------------------------\r | |
320 | ;\r | |
321 | ; (hl): data\r | |
322 | \r | |
323 | if 1\r | |
324 | \r | |
325 | msg.sout:\r | |
326 | push ix ;14\r | |
327 | ld ix,(fifolst+itx) ;12\r | |
328 | push bc ;11\r | |
329 | push de ;11\r | |
330 | ld b,(hl) ; 6\r | |
331 | inc hl ; 4\r | |
332 | ex de,hl ; 3\r | |
333 | ms.ol: ; \\r | |
334 | push ix ;14\r | |
335 | pop hl ; 9\r | |
336 | ld c,(ix+o.in_idx) ;14\r | |
337 | ld a,c ; 4\r | |
338 | add l ; 4\r | |
339 | ld l,a ; 4\r | |
340 | jr nc,ms.on ; 6/8\r | |
341 | inc h ; 4\r | |
342 | ms.on:\r | |
343 | ld a,c ; 4\r | |
344 | inc a ; 4\r | |
345 | and (ix+o.mask) ;14\r | |
346 | ms.wait:\r | |
347 | cp (ix+o.out_idx) ;14\r | |
348 | jr z,ms.wait ; 6/8\r | |
349 | ld c,a ; 4\r | |
350 | ld a,(de) ; 6\r | |
351 | inc de ; 4\r | |
352 | ld (hl),a ; 7\r | |
353 | ld (ix+o.in_idx),c ;15\r | |
354 | djnz ms.ol ; 7/9 -- 130\r | |
355 | \r | |
356 | out (AVRINT5),a ;10\r | |
357 | ex de,hl ; 3\r | |
358 | pop de ; 9\r | |
359 | pop bc ; 9\r | |
360 | pop ix ;12\r | |
361 | ret ; 9\r | |
362 | \r | |
363 | endif\r | |
364 | \r | |
365 | ;----------------------------------------------------------------------\r | |
366 | \r | |
367 | \r | |
368 | \r | |
369 | ; Send message\r | |
370 | ; b: msg length\r | |
371 | ; hl: pointer to message (netto)\r | |
372 | \r | |
373 | msg.snd:\r | |
374 | push ix\r | |
375 | ld ix,(fifolst+itx)\r | |
376 | ld c,0AEh\r | |
377 | call buf.put\r | |
378 | msnd_l:\r | |
379 | ld c,(hl)\r | |
380 | inc hl\r | |
381 | call buf.put\r | |
382 | djnz msnd_l\r | |
383 | pop ix\r | |
384 | ret\r | |
385 | \r | |
386 | \r | |
387 | ;----------------------------------------------------------------------\r | |
388 | ;\r | |
389 | ; Put char in message buffer:\r | |
390 | ; ix: buffer to put into\r | |
391 | ; c: char\r | |
392 | \r | |
393 | buf.put:\r | |
394 | push ix ;15\r | |
395 | push bc ;11\r | |
396 | ld a,(ix+o.in_idx) ;19\r | |
397 | ld c,a ;4\r | |
398 | ld b,0 ;7\r | |
399 | add ix,bc ;11\r | |
400 | pop bc ;10\r | |
401 | ld (ix),c ;7\r | |
402 | pop ix ;14\r | |
403 | \r | |
404 | inc a ;4\r | |
405 | and (ix+o.mask) ;19 =121\r | |
406 | bufp.wait:\r | |
407 | cp (ix+o.out_idx) ;19\r | |
408 | jr z,bufp.wait ;12/7\r | |
409 | ld (ix+o.in_idx),a ;19\r | |
410 | \r | |
411 | out (AVRINT5),a ;11\r | |
412 | ld a,c ;4\r | |
413 | ret ;10 =191\r | |
414 | \r | |
415 | \r | |
416 | ;----------------------------------------------------------------------\r | |
417 | ; Send message MEMORY\r | |
418 | ;\r | |
419 | ; hl: pointer to message (netto)\r | |
420 | ; b: msg length\r | |
421 | \r | |
422 | msg.sm:\r | |
423 | push ix\r | |
424 | ld ix,(fifolst+itx)\r | |
425 | ld c,0AEh\r | |
426 | call buf.put\r | |
427 | ld c,b\r | |
428 | call buf.put\r | |
429 | msm_l:\r | |
430 | ld c,(hl)\r | |
431 | inc hl\r | |
432 | call buf.put\r | |
433 | djnz msm_l\r | |
434 | pop ix\r | |
435 | ret\r | |
436 | \r | |
437 | \r | |
438 | ;----------------------------------------------------------------------\r | |
439 | ; Send message INLINE\r | |
440 | ;\r | |
441 | ; h: function\r | |
442 | ; l: subfunction\r | |
443 | ; b: msg length\r | |
444 | \r | |
445 | if 0\r | |
446 | \r | |
447 | msg.sil:\r | |
448 | ex (sp),hl\r | |
449 | push ix\r | |
450 | ld ix,(fifolst+itx)\r | |
451 | ld c,0AEh\r | |
452 | call buf.put\r | |
453 | ld b,(hl)\r | |
454 | msnd_pl:\r | |
455 | ld c,(hl)\r | |
456 | inc hl\r | |
457 | call puf.put\r | |
458 | djnz msnd_pl\r | |
459 | ex (sp),hl\r | |
460 | pop ix\r | |
461 | ret\r | |
462 | \r | |
463 | endif\r | |
464 | \r | |
465 | ;--------------------------------------------------------------\r | |
466 | \r | |
467 | if 0\r | |
468 | \r | |
469 | msg.co:\r | |
470 | push af\r | |
471 | push hl\r | |
472 | ld (buf_char),a\r | |
473 | ld hl,buf\r | |
474 | call msg.sout\r | |
475 | pop hl\r | |
476 | pop af\r | |
477 | ret\r | |
478 | \r | |
479 | buf:\r | |
480 | db buf_end - $ - 1 ;output string length\r | |
481 | db 0AEh ; message start token\r | |
482 | db buf_end - $ - 1 ; message length\r | |
483 | db 1 ; command\r | |
484 | db 1 ; subcommand\r | |
485 | buf_char:\r | |
486 | db 0 ; pay load\r | |
487 | buf_end:\r | |
488 | \r | |
489 | endif\r | |
490 | \r | |
491 | ;--------------------------------------------------------------\r | |
492 | \r | |
493 | \r | |
494 | \r | |
495 | end\r |