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