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Commit | Line | Data |
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6a4e9540 L |
1 | page 255\r |
2 | .z80\r | |
2fa1a706 | 3 | \r |
8bbf185e | 4 | public mrx.fifo,mtx.fifo\r |
6a4e9540 | 5 | \r |
8bbf185e L |
6 | public msginit,msgi.st,msg.in,msgo.st\r |
7 | public msg.sm,msg.sout\r | |
2fa1a706 | 8 | \r |
8bbf185e L |
9 | extrn bufinit,hwl2phy\r |
10 | extrn fifolst\r | |
6a4e9540 L |
11 | \r |
12 | include config.inc\r | |
64cc2207 | 13 | if CPU_Z180\r |
6a4e9540 | 14 | include z180reg.inc\r |
64cc2207 | 15 | endif\r |
6a4e9540 L |
16 | \r |
17 | ;--------------------------------------------------------------\r | |
18 | \r | |
19 | dseg\r | |
20 | \r | |
e4c4b148 L |
21 | mkbuf mtx.fifo_id, mtx.fifo, mtx.fifo_len\r |
22 | mkbuf mrx.fifo_id, mrx.fifo, mrx.fifo_len\r | |
6a4e9540 L |
23 | \r |
24 | ;--------------------------------------------------------------\r | |
25 | \r | |
26 | cseg\r | |
27 | \r | |
28 | ;\r | |
29 | ; Init buffer\r | |
30 | ;\r | |
2fa1a706 | 31 | \r |
6a4e9540 | 32 | msginit:\r |
8bbf185e L |
33 | ld a,(043h)\r |
34 | ;TODO: value should be 0\r | |
6a4e9540 | 35 | ld ix,mtx.fifo\r |
8bbf185e L |
36 | call bufinit\r |
37 | push ix\r | |
38 | pop hl\r | |
39 | call hwl2phy\r | |
40 | ld (040h),hl\r | |
41 | ld (040h+2),a\r | |
42 | ld a,0ffh\r | |
43 | ld (043h),a\r | |
44 | out (AVRINT5),a\r | |
45 | wait:\r | |
46 | ld a,(043h)\r | |
47 | or a\r | |
48 | jr nz,wait\r | |
49 | \r | |
cdc4625b | 50 | ld ix,mrx.fifo\r |
8bbf185e | 51 | jp bufinit\r |
6a4e9540 L |
52 | \r |
53 | ;--------------------------------------------------------------\r | |
54 | \r | |
55 | msgi.st:\r | |
56 | push ix\r | |
57 | ld ix,mrx.fifo ;\r | |
58 | \r | |
59 | buf.empty:\r | |
60 | ld a,(ix+o.in_idx) ;\r | |
61 | sub (ix+o.out_idx) ;\r | |
62 | pop ix\r | |
63 | ret z\r | |
64 | or 0ffh\r | |
65 | ret\r | |
2fa1a706 | 66 | \r |
6a4e9540 L |
67 | ;--------------------------------------------------------------\r |
68 | \r | |
69 | msg.in:\r | |
70 | push ix\r | |
71 | ld ix,mrx.fifo ;\r | |
72 | \r | |
73 | buf.get:\r | |
74 | ld a,(ix+o.out_idx) ;\r | |
75 | bg.wait:\r | |
76 | cp (ix+o.in_idx) ;\r | |
77 | jr z,bg.wait\r | |
78 | \r | |
79 | push hl ;\r | |
80 | push ix\r | |
81 | pop hl\r | |
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 | |
2fa1a706 | 88 | \r |
6a4e9540 L |
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 | |
2fa1a706 | 93 | \r |
6a4e9540 L |
94 | ld a,l\r |
95 | pop hl\r | |
96 | pop ix\r | |
97 | ret\r | |
98 | \r | |
99 | ;--------------------------------------------------------------\r | |
100 | \r | |
101 | msgo.st:\r | |
102 | push ix\r | |
103 | ld ix,mtx.fifo ;\r | |
104 | \r | |
105 | buf.full:\r | |
106 | ld a,(ix+o.in_idx) ;\r | |
107 | inc a\r | |
108 | and (ix+o.mask)\r | |
109 | sub (ix+o.out_idx) ;\r | |
110 | pop ix\r | |
111 | ret z\r | |
112 | or 0ffh\r | |
113 | ret\r | |
114 | \r | |
115 | ;--------------------------------------------------------------\r | |
116 | \r | |
2fa1a706 L |
117 | if 0\r |
118 | \r | |
6a4e9540 L |
119 | msg.out:\r |
120 | push ix\r | |
121 | ld ix,mtx.fifo ;\r | |
122 | \r | |
123 | buf.put:\r | |
124 | push hl ;\r | |
125 | push bc\r | |
126 | push ix\r | |
127 | pop hl\r | |
128 | ld c,(ix+o.in_idx) ;\r | |
129 | ld b,0\r | |
130 | add hl,bc\r | |
131 | ld b,a\r | |
132 | \r | |
133 | ld a,c ;\r | |
134 | inc a\r | |
135 | and (ix+o.mask)\r | |
136 | bp.wait:\r | |
137 | cp (ix+o.out_idx) ;\r | |
138 | jr z,bp.wait\r | |
139 | ld (hl),b\r | |
140 | ld (ix+o.in_idx),a\r | |
2fa1a706 | 141 | \r |
6a4e9540 | 142 | ld a,b\r |
64cc2207 | 143 | out (AVRINT5),a\r |
6a4e9540 L |
144 | pop bc\r |
145 | pop hl\r | |
146 | pop ix\r | |
147 | ret\r | |
148 | \r | |
2fa1a706 | 149 | endif\r |
6a4e9540 L |
150 | \r |
151 | ;--------------------------------------------------------------\r | |
6a4e9540 | 152 | \r |
8bbf185e | 153 | if 0\r |
2fa1a706 L |
154 | \r |
155 | msg.out:\r | |
6a4e9540 L |
156 | push ix\r |
157 | ld ix,mtx.fifo ;\r | |
158 | \r | |
2fa1a706 | 159 | buf.put:\r |
6a4e9540 | 160 | push bc\r |
6a4e9540 | 161 | ld c,(ix+o.in_idx) ;\r |
2fa1a706 L |
162 | ld b,0\r |
163 | push ix ;14\r | |
164 | add ix,bc ;10\r | |
165 | ld (ix+0),a ;15\r | |
166 | pop ix ;12 / 51\r | |
167 | ld b,a ; 4\r | |
6a4e9540 | 168 | ld a,c ;\r |
2fa1a706 L |
169 | inc a ;\r |
170 | and (ix+o.mask) ;\r | |
171 | bp.wait:\r | |
6a4e9540 | 172 | cp (ix+o.out_idx) ;\r |
2fa1a706 L |
173 | jr z,bp.wait ;\r |
174 | ld (ix+o.in_idx),a ;\r | |
175 | \r | |
176 | ld a,b\r | |
64cc2207 | 177 | out (AVRINT5),a\r |
6a4e9540 L |
178 | pop bc\r |
179 | pop ix\r | |
180 | ret\r | |
181 | \r | |
8bbf185e L |
182 | endif\r |
183 | \r | |
184 | ;----------------------------------------------------------------------\r | |
185 | ;\r | |
186 | ; Put char in message buffer:\r | |
187 | ; ix: buffer to put into\r | |
188 | ; c: char\r | |
189 | \r | |
190 | buf.put:\r | |
191 | push ix ;15\r | |
192 | push bc ;11\r | |
193 | ld a,(ix+o.in_idx) ;19\r | |
194 | ld c,a ;4\r | |
195 | ld b,0 ;7\r | |
196 | add ix,bc ;11\r | |
197 | pop bc ;10\r | |
198 | ld (ix),c ;7\r | |
199 | pop ix ;14\r | |
200 | \r | |
201 | inc a ;4\r | |
202 | and (ix+o.mask) ;19 =121\r | |
203 | bufp.wait:\r | |
204 | cp (ix+o.out_idx) ;19\r | |
205 | jr z,bufp.wait ;12/7\r | |
206 | ld (ix+o.in_idx),a ;19\r | |
207 | \r | |
208 | out (AVRINT5),a ;11\r | |
209 | ld a,c ;4\r | |
210 | ret ;10 =191\r | |
211 | \r | |
2fa1a706 L |
212 | \r |
213 | ;--------------------------------------------------------------\r | |
214 | \r | |
215 | if 0\r | |
216 | ; Works only, if buffer size < (128 - 3)\r | |
217 | ; --> mask must be 03fh or less\r | |
218 | \r | |
219 | msg.out:\r | |
220 | push ix\r | |
221 | ld ix,mtx.fifo ;\r | |
222 | \r | |
223 | buf.put:\r | |
224 | push bc\r | |
225 | ld b,a ; 4\r | |
226 | ld a,(ix+o.in_idx) ;14\r | |
227 | ld ($ + 3 + 2),a ;15\r | |
228 | ld (ix+0),b ;15\r | |
229 | inc a ;\r | |
230 | and (ix+o.mask) ;\r | |
231 | bp.wait:\r | |
232 | cp (ix+o.out_idx) ;\r | |
233 | jr z,bp.wait ;\r | |
234 | ld (ix+o.in_idx),a ;\r | |
235 | \r | |
236 | ld a,b\r | |
237 | out (AVRINT5),a\r | |
238 | pop bc\r | |
239 | pop ix\r | |
240 | ret\r | |
241 | \r | |
242 | endif\r | |
243 | \r | |
244 | ;--------------------------------------------------------------\r | |
245 | ;\r | |
246 | ; (hl): data\r | |
247 | \r | |
248 | msg.sout:\r | |
249 | push ix ;14\r | |
250 | ld ix,mtx.fifo ;12\r | |
251 | push bc ;11\r | |
252 | push de ;11\r | |
253 | ld c,(hl) ; 6\r | |
254 | ld b,0 ; 6\r | |
255 | inc hl ; 7\r | |
256 | ms.ol: ; \\r | |
257 | ld a,low mtx.fifo ; 6\r | |
258 | add a,(ix+o.in_idx) ;14\r | |
259 | ld e,a ; 4\r | |
260 | ld a,high mtx.fifo ; 6\r | |
261 | adc a,b ; 4\r | |
262 | ld d,a ; 4\r | |
263 | \r | |
264 | ld a,(ix+o.in_idx) ;14\r | |
265 | inc a ; 4\r | |
266 | and (ix+o.mask) ;14\r | |
267 | ms.wait:\r | |
268 | cp (ix+o.out_idx) ;14\r | |
269 | jr z,ms.wait ; 6/8\r | |
270 | \r | |
271 | ldi ;12\r | |
272 | ld (ix+o.in_idx),a ;15\r | |
273 | jp pe,ms.ol ; 6/9 -- 126\r | |
274 | \r | |
275 | out (AVRINT5),a ;10\r | |
276 | pop de ; 9\r | |
277 | pop bc ; 9\r | |
278 | pop ix ;12\r | |
279 | ret ; 9\r | |
280 | \r | |
281 | ;--------------------------------------------------------------\r | |
282 | ;\r | |
283 | ; (hl): data\r | |
284 | \r | |
285 | if 0\r | |
286 | \r | |
287 | msg.sout:\r | |
288 | push ix ;14\r | |
289 | ld ix,mtx.fifo ;12\r | |
290 | push bc ;11\r | |
291 | push de ;11\r | |
292 | ld b,(hl) ; 6\r | |
293 | inc hl ; 4\r | |
294 | ex de,hl ; 3\r | |
295 | ms.ol: ; \\r | |
296 | push ix ;14\r | |
297 | pop hl ; 9\r | |
298 | ld c,(ix+o.in_idx) ;14\r | |
299 | ld a,c ; 4\r | |
300 | add l ; 4\r | |
301 | ld l,a ; 4\r | |
302 | jr nc,ms.on ; 6/8\r | |
303 | inc h ; 4\r | |
304 | ms.on:\r | |
305 | ld a,c ; 4\r | |
306 | inc a ; 4\r | |
307 | and (ix+o.mask) ;14\r | |
308 | ms.wait:\r | |
309 | cp (ix+o.out_idx) ;14\r | |
310 | jr z,ms.wait ; 6/8\r | |
311 | ld c,a ; 4\r | |
312 | ld a,(de) ; 6\r | |
313 | inc de ; 4\r | |
314 | ld (hl),a ; 7\r | |
315 | ld (ix+o.in_idx),c ;15\r | |
316 | djnz ms.ol ; 7/9 -- 130\r | |
317 | \r | |
318 | out (AVRINT5),a ;10\r | |
319 | ex de,hl ; 3\r | |
320 | pop de ; 9\r | |
321 | pop bc ; 9\r | |
322 | pop ix ;12\r | |
323 | ret ; 9\r | |
324 | \r | |
325 | endif\r | |
326 | \r | |
6a4e9540 L |
327 | ;--------------------------------------------------------------\r |
328 | \r | |
329 | msg.co:\r | |
330 | push af\r | |
331 | push hl\r | |
332 | ld (buf_char),a\r | |
333 | ld hl,buf\r | |
334 | call msg.sout\r | |
335 | pop hl\r | |
336 | pop af\r | |
337 | ret\r | |
2fa1a706 L |
338 | \r |
339 | \r | |
6a4e9540 L |
340 | buf:\r |
341 | db buf_end - $ - 1 ;output string length\r | |
3531528e | 342 | db 0AEh ; message start token\r |
6a4e9540 L |
343 | db buf_end - $ - 1 ; message length\r |
344 | db 1 ; command\r | |
345 | db 1 ; subcommand\r | |
346 | buf_char:\r | |
347 | db 0 ; pay load\r | |
348 | buf_end:\r | |
349 | \r | |
350 | ;----------------------------------------------------------------------\r | |
351 | \r | |
8bbf185e L |
352 | ;----------------------------------------------------------------------\r |
353 | ; Send message MEMORY\r | |
354 | ;\r | |
355 | ; hl: pointer to message (netto)\r | |
356 | ; b: msg length\r | |
357 | \r | |
358 | msg.sm:\r | |
359 | push ix\r | |
360 | ld ix,mtx.fifo\r | |
361 | ld c,0AEh\r | |
362 | call buf.put\r | |
363 | ld c,b\r | |
364 | call buf.put\r | |
365 | msm_l:\r | |
366 | ld c,(hl)\r | |
367 | inc hl\r | |
368 | call buf.put\r | |
369 | djnz msm_l\r | |
370 | pop ix\r | |
371 | ret\r | |
372 | \r | |
373 | \r | |
6a4e9540 | 374 | end\r |