1 | /*
|
---|
2 | =============================================================================
|
---|
3 | msl.c -- midas main scan loop
|
---|
4 | Version 102 -- 1989-11-14 -- D.N. Lynx Crowe
|
---|
5 |
|
---|
6 | List with pr -e4 option to expand tabs to 4 spaces instead of 8.
|
---|
7 | =============================================================================
|
---|
8 | */
|
---|
9 |
|
---|
10 | #define DEBUGIT 0 /* enable debug code */
|
---|
11 |
|
---|
12 | #define OLDTIME 0 /* use old tempo time calculations */
|
---|
13 |
|
---|
14 | #include "ram.h"
|
---|
15 |
|
---|
16 | #define LCL_PRT 3 /* 1-origin local keyboard port number */
|
---|
17 |
|
---|
18 | #if DEBUGIT
|
---|
19 | short debugms = 1;
|
---|
20 | #endif
|
---|
21 |
|
---|
22 | uint16_t fifoval;
|
---|
23 |
|
---|
24 | /*
|
---|
25 | =============================================================================
|
---|
26 | clk_ped() -- process clock on/off toggle pedal
|
---|
27 | =============================================================================
|
---|
28 | */
|
---|
29 |
|
---|
30 | void clk_ped(int16_t stat)
|
---|
31 | {
|
---|
32 | if (stat)
|
---|
33 | tglclk = TRUE;
|
---|
34 | }
|
---|
35 |
|
---|
36 | /*
|
---|
37 | =============================================================================
|
---|
38 | pch_ped() -- process punch in/out toggle pedal
|
---|
39 | =============================================================================
|
---|
40 | */
|
---|
41 |
|
---|
42 | void pch_ped(int16_t stat)
|
---|
43 | {
|
---|
44 | if (stat AND pchsw)
|
---|
45 | tglpch = TRUE;
|
---|
46 | }
|
---|
47 |
|
---|
48 | /*
|
---|
49 | =============================================================================
|
---|
50 | msl() -- MIDAS main scan loop
|
---|
51 | =============================================================================
|
---|
52 | */
|
---|
53 |
|
---|
54 | void msl(void)
|
---|
55 | {
|
---|
56 | register int8_t *ioadr;
|
---|
57 | register uint16_t *fpu;
|
---|
58 | register struct s_entry *ep;
|
---|
59 | register int16_t i, ti, val;
|
---|
60 | register int32_t rt;
|
---|
61 | uint16_t chan, crel, oldsr, port, trg, trig, vel;
|
---|
62 | int16_t cxprev, cyprev, esi, newsig, oldclk, oldrec;
|
---|
63 | int32_t fctemp;
|
---|
64 |
|
---|
65 | #if DEBUGIT
|
---|
66 | if (debugsw AND debugms)
|
---|
67 | printf("msl(): ENTRY ndisp=%d\n", ndisp);
|
---|
68 | #endif
|
---|
69 |
|
---|
70 | runit = TRUE; /* set run state */
|
---|
71 |
|
---|
72 | while (runit) {
|
---|
73 |
|
---|
74 | dsp_ok = TRUE; /* set display-OK flag for this pass */
|
---|
75 |
|
---|
76 | ioadr = &io_ser + 2L; /* get edit switch status */
|
---|
77 | esi = *ioadr & 0x0008;
|
---|
78 |
|
---|
79 | if (editss NE esi) { /* check for edit switch change */
|
---|
80 |
|
---|
81 | editss = esi;
|
---|
82 |
|
---|
83 | if (editss) /* toggle edit state if it went hi */
|
---|
84 | editsw = NOT editsw;
|
---|
85 | }
|
---|
86 |
|
---|
87 | if (editsw) /* update edit LED */
|
---|
88 | io_leds = 0x9E;
|
---|
89 | else
|
---|
90 | io_leds = 0x1E;
|
---|
91 |
|
---|
92 | if ((NOT lampsw) AND lcdtime) {
|
---|
93 |
|
---|
94 | if (0 EQ --lcdtime)
|
---|
95 | io_leds = 0x1F; /* turn off the LCD backlight */
|
---|
96 | }
|
---|
97 |
|
---|
98 | msm(); /* scan the MIDI ports */
|
---|
99 |
|
---|
100 | if (tglclk) { /* check for clock on/off toggle */
|
---|
101 |
|
---|
102 | oldsr = setsr(0x2700); /* disable interrupts */
|
---|
103 | tglclk = FALSE; /* cancel toggle flag */
|
---|
104 | setsr(oldsr); /* enable interrupts */
|
---|
105 |
|
---|
106 | clkset(NOT clkrun); /* toggle clock mode */
|
---|
107 | dclkmd(); /* update display */
|
---|
108 | }
|
---|
109 |
|
---|
110 | if (tglpch) { /* check for punch in/out toggle */
|
---|
111 |
|
---|
112 | oldsr = setsr(0x2700); /* disable interrupts */
|
---|
113 | tglpch = FALSE; /* cancel toggle flag */
|
---|
114 | setsr(oldsr); /* enable interrupts */
|
---|
115 |
|
---|
116 | if ((ndisp EQ 2) AND (v_regs[5] & 0x0180))
|
---|
117 | vbank(0);
|
---|
118 |
|
---|
119 | for (i = 0; i < 12; i++) { /* scan the groups */
|
---|
120 |
|
---|
121 | if (grpmode[i] EQ 1) { /* stdby -> rec */
|
---|
122 |
|
---|
123 | grpmode[i] = 2;
|
---|
124 |
|
---|
125 | if (ndisp EQ 2)
|
---|
126 | vputc(obj8, 2, 6 + (i * 5),
|
---|
127 | '*', simled[grpmode[i]]);
|
---|
128 |
|
---|
129 | } else if (grpmode[i] EQ 2) { /* rec -> play */
|
---|
130 |
|
---|
131 | grpmode[i] = 0;
|
---|
132 |
|
---|
133 | if (ndisp EQ 2)
|
---|
134 | vputc(obj8, 2, 6 + (i * 5),
|
---|
135 | '*', simled[grpmode[i]]);
|
---|
136 | }
|
---|
137 | }
|
---|
138 | }
|
---|
139 |
|
---|
140 |
|
---|
141 | /* process stimulli from the patch stimulus fifo */
|
---|
142 |
|
---|
143 | if (getwq(&ptefifo, &fifoval) GE 0) {
|
---|
144 |
|
---|
145 | crel = 0x8000 & fifoval;
|
---|
146 |
|
---|
147 | trg = TRG_MASK & fifoval;
|
---|
148 | port = 0x0003 & (fifoval >> 11);
|
---|
149 | chan = 0x000F & (fifoval >> 7);
|
---|
150 | trig = 0x007F & fifoval;
|
---|
151 |
|
---|
152 | veltab[trg] = vel = SM_SCALE(64);
|
---|
153 | prstab[trg] = 0;
|
---|
154 |
|
---|
155 | if (crel) { /* release */
|
---|
156 |
|
---|
157 | trgtab[trg] &= ~M_KSTATE;
|
---|
158 |
|
---|
159 | for (i = 0; i < 12; i++) {
|
---|
160 |
|
---|
161 | if (vce2trg[i] EQ trg) {
|
---|
162 |
|
---|
163 | vce2trg[i] = -1;
|
---|
164 | procpfl(trg);
|
---|
165 |
|
---|
166 | }
|
---|
167 | }
|
---|
168 |
|
---|
169 | stmproc(fifoval); /* do it as a patch stimulus */
|
---|
170 |
|
---|
171 | } else { /* closure */
|
---|
172 |
|
---|
173 | trgtab[trg] |= M_KSTATE;
|
---|
174 |
|
---|
175 | stmproc(fifoval); /* do it as a patch stimulus */
|
---|
176 |
|
---|
177 | for (i = 0; i < 12; i++)
|
---|
178 | if ((grp2prt[i][0] EQ 1 + port) AND
|
---|
179 | (grp2prt[i][1] EQ 1 + chan))
|
---|
180 | asgvce(i, port, chan, trig, vel);
|
---|
181 | }
|
---|
182 | }
|
---|
183 |
|
---|
184 | if (-1L NE (afi = XBIOS(X_ANALOG))) { /* check panel inputs */
|
---|
185 |
|
---|
186 | asig = (afi >> 8) & 0x007F; /* signal number */
|
---|
187 | astat = (afi >> 7) & 0x0001; /* status */
|
---|
188 | aval = afi & 0x007F; /* value */
|
---|
189 |
|
---|
190 | if (asig) { /* active signal */
|
---|
191 |
|
---|
192 | aflag = TRUE;
|
---|
193 | newsig = astat AND (NOT sigtab[asig][1]);
|
---|
194 |
|
---|
195 | sigtab[asig][0] = aval;
|
---|
196 | sigtab[asig][1] = astat;
|
---|
197 |
|
---|
198 | } else { /* all keys up */
|
---|
199 |
|
---|
200 | aflag = FALSE;
|
---|
201 | newsig = FALSE;
|
---|
202 |
|
---|
203 | for (i = 0; i < 128; i++)
|
---|
204 | sigtab[i][1] = 0;
|
---|
205 | }
|
---|
206 |
|
---|
207 |
|
---|
208 | if (aflag) { /* anything changed ? */
|
---|
209 |
|
---|
210 | if ((asig GE 1) AND (asig LE 24)) {
|
---|
211 |
|
---|
212 | /* local keyboard performance key */
|
---|
213 |
|
---|
214 | localkb(asig);
|
---|
215 |
|
---|
216 | } else if ((asig GE 25) AND (asig LE 38)) {
|
---|
217 |
|
---|
218 | if (astat)
|
---|
219 | lcd_on();
|
---|
220 |
|
---|
221 | if (NOT newsig)
|
---|
222 | doslide();
|
---|
223 |
|
---|
224 | } else if ((asig GE 39) AND (asig LE 52)) {
|
---|
225 |
|
---|
226 | if (astat)
|
---|
227 | lcd_on();
|
---|
228 |
|
---|
229 | (*(*swpt)[asig - 39])(astat, (asig - 39));
|
---|
230 |
|
---|
231 | } else if ((asig GE 60) AND (asig LE 69)) {
|
---|
232 |
|
---|
233 | (*d_key)(asig - 60);
|
---|
234 |
|
---|
235 |
|
---|
236 | } else switch (asig) {
|
---|
237 |
|
---|
238 | case 53: /* tablet x */
|
---|
239 |
|
---|
240 | val = SM_SCALE(aval);
|
---|
241 |
|
---|
242 | for (i = 0; i < 12; i++) {
|
---|
243 |
|
---|
244 | if (grp2prt[i][0] EQ LCL_PRT) {
|
---|
245 |
|
---|
246 | if (newsv(i, SM_HTPW, val)) {
|
---|
247 |
|
---|
248 | if (recsw AND grpstat[i] AND
|
---|
249 | (2 EQ (ancmsw ? varmode[0][i] : grpmode[i]))) {
|
---|
250 |
|
---|
251 | if (E_NULL NE (ep = e_alc(E_SIZE2))) {
|
---|
252 |
|
---|
253 | ep->e_time = t_cur;
|
---|
254 | ep->e_type = EV_ANVL;
|
---|
255 | ep->e_data1 = i;
|
---|
256 | ep->e_dn = (struct s_entry *)((int32_t)val << 16);
|
---|
257 | p_cur = e_ins(ep, ep_adj(p_cur, 0, t_cur))->e_fwd;
|
---|
258 | ctrsw = TRUE;
|
---|
259 | se_disp(ep, D_FWD, gdstbc, 1);
|
---|
260 | ctrsw = FALSE;
|
---|
261 | }
|
---|
262 |
|
---|
263 | } else if ((angroup - 1) EQ i) {
|
---|
264 |
|
---|
265 | dsanval(0);
|
---|
266 | }
|
---|
267 | }
|
---|
268 | }
|
---|
269 | }
|
---|
270 |
|
---|
271 | break;
|
---|
272 |
|
---|
273 | case 54: /* tablet y */
|
---|
274 |
|
---|
275 | val = SM_SCALE(aval);
|
---|
276 |
|
---|
277 | for (i = 0; i < 12; i++) {
|
---|
278 |
|
---|
279 | if (grp2prt[i][0] EQ LCL_PRT) {
|
---|
280 |
|
---|
281 | if (newsv(i, SM_VTMW, val)) {
|
---|
282 |
|
---|
283 | if (recsw AND grpstat[i] AND
|
---|
284 | (2 EQ (ancmsw ? varmode[1][i] : grpmode[i]))) {
|
---|
285 |
|
---|
286 | if (E_NULL NE (ep = e_alc(E_SIZE2))) {
|
---|
287 |
|
---|
288 | ep->e_time = t_cur;
|
---|
289 | ep->e_type = EV_ANVL;
|
---|
290 | ep->e_data1 = 0x0010 | i;
|
---|
291 | ep->e_dn = (struct s_entry *)((int32_t)val << 16);
|
---|
292 | p_cur = e_ins(ep, ep_adj(p_cur, 0, t_cur))->e_fwd;
|
---|
293 | ctrsw = TRUE;
|
---|
294 | se_disp(ep, D_FWD, gdstbc, 1);
|
---|
295 | ctrsw = FALSE;
|
---|
296 | }
|
---|
297 |
|
---|
298 | } else if ((angroup - 1) EQ i) {
|
---|
299 |
|
---|
300 | dsanval(1);
|
---|
301 | }
|
---|
302 | }
|
---|
303 | }
|
---|
304 | }
|
---|
305 |
|
---|
306 | break;
|
---|
307 |
|
---|
308 | case 55: /* cursor x */
|
---|
309 |
|
---|
310 | (*cx_key)(); break;
|
---|
311 |
|
---|
312 | case 56: /* cursor y */
|
---|
313 |
|
---|
314 | (*cy_key)(); break;
|
---|
315 |
|
---|
316 | case 58: /* longpot r */
|
---|
317 |
|
---|
318 | val = SM_SCALE(aval);
|
---|
319 |
|
---|
320 | for (i = 0; i < 12; i++) {
|
---|
321 |
|
---|
322 | if (grp2prt[i][0] EQ LCL_PRT) {
|
---|
323 |
|
---|
324 | if (newsv(i, SM_LPBR, val)) {
|
---|
325 |
|
---|
326 | if (recsw AND grpstat[i] AND
|
---|
327 | (2 EQ (ancmsw ? varmode[2][i] : grpmode[i]))) {
|
---|
328 |
|
---|
329 | if (E_NULL NE (ep = e_alc(E_SIZE2))) {
|
---|
330 |
|
---|
331 | ep->e_time = t_cur;
|
---|
332 | ep->e_type = EV_ANVL;
|
---|
333 | ep->e_data1 = 0x0020 | i;
|
---|
334 | ep->e_dn = (struct s_entry *)((int32_t)val << 16);
|
---|
335 | p_cur = e_ins(ep, ep_adj(p_cur, 0, t_cur))->e_fwd;
|
---|
336 | ctrsw = TRUE;
|
---|
337 | se_disp(ep, D_FWD, gdstbc, 1);
|
---|
338 | ctrsw = FALSE;
|
---|
339 | }
|
---|
340 |
|
---|
341 | } else if ((angroup - 1) EQ i) {
|
---|
342 |
|
---|
343 | dsanval(2);
|
---|
344 | }
|
---|
345 | }
|
---|
346 | }
|
---|
347 | }
|
---|
348 |
|
---|
349 | break;
|
---|
350 |
|
---|
351 |
|
---|
352 | case 59: /* scroll wheel */
|
---|
353 |
|
---|
354 | wheel(); break;
|
---|
355 |
|
---|
356 | case 70: /* X key */
|
---|
357 |
|
---|
358 | (*x_key)(); break;
|
---|
359 |
|
---|
360 | case 71: /* E key */
|
---|
361 |
|
---|
362 | #if DEBUGIT
|
---|
363 | if (debugsw AND debugms)
|
---|
364 | printf("msl(): -> e_key ($%lX) astat=%d ndisp=%d\n",
|
---|
365 | e_key, astat, ndisp);
|
---|
366 | #endif
|
---|
367 | (*e_key)();
|
---|
368 |
|
---|
369 | #if DEBUGIT
|
---|
370 | if (debugsw AND debugms)
|
---|
371 | printf("msl(): <- e_key ($%lX) astat=%d ndisp=%d runit=%d\n",
|
---|
372 | e_key, astat, ndisp, runit);
|
---|
373 | #endif
|
---|
374 |
|
---|
375 | break;
|
---|
376 |
|
---|
377 | case 72: /* M key */
|
---|
378 |
|
---|
379 | (*m_key)(); break;
|
---|
380 |
|
---|
381 | case 73: /* Tempo */
|
---|
382 |
|
---|
383 | if (aval > 50) /* dead band */
|
---|
384 | if (aval < 53)
|
---|
385 | aval = 50;
|
---|
386 | else
|
---|
387 | aval -= 2;
|
---|
388 |
|
---|
389 | tmpomlt = aval > 100 ? 100 : aval;
|
---|
390 | #if OLDTIME
|
---|
391 | ti = ( (tmpomlt + 50) * tmpoval) / 100;
|
---|
392 | ti = (short)( (192000L / ti) - 1);
|
---|
393 | #else
|
---|
394 | ti = (tmpomlt + 50) * tmpoval;
|
---|
395 | ti = (int16_t)( (19200000L / ti) - 1);
|
---|
396 | #endif
|
---|
397 | TIME_T2H = ti >> 8;
|
---|
398 | TIME_T2L = ti & 0x00FF;
|
---|
399 |
|
---|
400 | if (tmpomlt EQ 50) { /* 0 */
|
---|
401 |
|
---|
402 | io_leds = 0x18; /* green off */
|
---|
403 | io_leds = 0x19; /* red off */
|
---|
404 |
|
---|
405 | } else if (tmpomlt GT 50) { /* hi */
|
---|
406 |
|
---|
407 | io_leds = 0x98; /* green on */
|
---|
408 | io_leds = 0x19; /* red off */
|
---|
409 |
|
---|
410 | } else { /* lo */
|
---|
411 |
|
---|
412 | io_leds = 0x18; /* green off */
|
---|
413 | io_leds = 0x99; /* red on */
|
---|
414 | }
|
---|
415 |
|
---|
416 | break;
|
---|
417 |
|
---|
418 | case 74: /* Time */
|
---|
419 |
|
---|
420 | if (aval > 50) /* dead band */
|
---|
421 | if (aval < 53)
|
---|
422 | aval = 50;
|
---|
423 | else
|
---|
424 | aval -= 2;
|
---|
425 |
|
---|
426 | ti = aval > 100 ? 100 : aval;
|
---|
427 | timemlt = tmultab[ti];
|
---|
428 |
|
---|
429 | if (ti EQ 50) { /* 0 */
|
---|
430 |
|
---|
431 | io_leds = 0x1A; /* green off */
|
---|
432 | io_leds = 0x1B; /* red off */
|
---|
433 |
|
---|
434 | } else if (ti GT 50) { /* hi */
|
---|
435 |
|
---|
436 | io_leds = 0x9A; /* green on */
|
---|
437 | io_leds = 0x1B; /* red off */
|
---|
438 |
|
---|
439 | } else { /* lo */
|
---|
440 |
|
---|
441 | io_leds = 0x1A; /* green off */
|
---|
442 | io_leds = 0x9B; /* red on */
|
---|
443 | }
|
---|
444 |
|
---|
445 | break;
|
---|
446 |
|
---|
447 |
|
---|
448 | case 75: /* Tuning */
|
---|
449 |
|
---|
450 | if (aval > 50) /* dead band */
|
---|
451 | if (aval < 53)
|
---|
452 | aval = 50;
|
---|
453 | else
|
---|
454 | aval -= 2;
|
---|
455 |
|
---|
456 | i = (aval > 100) ? 100 : aval;
|
---|
457 | tuneval = (i - 50) << 2;
|
---|
458 | settune();
|
---|
459 |
|
---|
460 | if (i EQ 50) {
|
---|
461 |
|
---|
462 | io_leds = 0x1C; /* green off */
|
---|
463 | io_leds = 0x1D; /* red off */
|
---|
464 |
|
---|
465 | } else if (i GT 50) {
|
---|
466 |
|
---|
467 | io_leds = 0x9C; /* green on */
|
---|
468 | io_leds = 0x1D; /* red off */
|
---|
469 |
|
---|
470 | } else {
|
---|
471 |
|
---|
472 | io_leds = 0x1C; /* green off */
|
---|
473 | io_leds = 0x9D; /* red on */
|
---|
474 | }
|
---|
475 |
|
---|
476 | break;
|
---|
477 |
|
---|
478 | case 76: /* amplitude */
|
---|
479 |
|
---|
480 | aval += aval >> 2;
|
---|
481 |
|
---|
482 | if (aval > 127)
|
---|
483 | aval = 127;
|
---|
484 |
|
---|
485 | amplval = (aval << 9) ^ 0x8000;
|
---|
486 | sendval(0, 0, amplval);
|
---|
487 | break;
|
---|
488 |
|
---|
489 | case 77: /* pedal 1 */
|
---|
490 |
|
---|
491 | val = SM_SCALE(aval);
|
---|
492 |
|
---|
493 | for (i = 0; i < 12; i++) {
|
---|
494 |
|
---|
495 | if (grp2prt[i][0] EQ LCL_PRT) {
|
---|
496 |
|
---|
497 | if (newsv(i, SM_PED1, val)) {
|
---|
498 |
|
---|
499 | if (recsw AND grpstat[i] AND
|
---|
500 | (2 EQ (ancmsw ? varmode[4][i] : grpmode[i]))) {
|
---|
501 |
|
---|
502 | if (E_NULL NE (ep = e_alc(E_SIZE2))) {
|
---|
503 |
|
---|
504 | ep->e_time = t_cur;
|
---|
505 | ep->e_type = EV_ANVL;
|
---|
506 | ep->e_data1 = 0x0040 | i;
|
---|
507 | ep->e_dn = (struct s_entry *)((int32_t)val << 16);
|
---|
508 | p_cur = e_ins(ep, ep_adj(p_cur, 0, t_cur))->e_fwd;
|
---|
509 | ctrsw = TRUE;
|
---|
510 | se_disp(ep, D_FWD, gdstbc, 1);
|
---|
511 | ctrsw = FALSE;
|
---|
512 | }
|
---|
513 |
|
---|
514 | } else if ((angroup - 1) EQ i) {
|
---|
515 |
|
---|
516 | dsanval(4);
|
---|
517 | }
|
---|
518 | }
|
---|
519 | }
|
---|
520 | }
|
---|
521 |
|
---|
522 | break;
|
---|
523 |
|
---|
524 |
|
---|
525 | case 79: /* cv 1 */
|
---|
526 |
|
---|
527 | val = SM_SCALE(aval);
|
---|
528 |
|
---|
529 | for (i = 0; i < 12; i++) {
|
---|
530 |
|
---|
531 | if (grp2prt[i][0] EQ LCL_PRT) {
|
---|
532 |
|
---|
533 | if (newsv(i, SM_CTL1, val)) {
|
---|
534 |
|
---|
535 | if (recsw AND grpstat[i] AND
|
---|
536 | (2 EQ (ancmsw ? varmode[3][i] : grpmode[i]))) {
|
---|
537 |
|
---|
538 | if (E_NULL NE (ep = e_alc(E_SIZE2))) {
|
---|
539 |
|
---|
540 | ep->e_time = t_cur;
|
---|
541 | ep->e_type = EV_ANVL;
|
---|
542 | ep->e_data1 = 0x0030 | i;
|
---|
543 | ep->e_dn = (struct s_entry *)((int32_t)val << 16);
|
---|
544 | p_cur = e_ins(ep, ep_adj(p_cur, 0, t_cur))->e_fwd;
|
---|
545 | ctrsw = TRUE;
|
---|
546 | se_disp(ep, D_FWD, gdstbc, 1);
|
---|
547 | ctrsw = FALSE;
|
---|
548 | }
|
---|
549 |
|
---|
550 | } if ((angroup - 1)EQ i) {
|
---|
551 |
|
---|
552 | dsanval(3);
|
---|
553 | }
|
---|
554 | }
|
---|
555 | }
|
---|
556 | }
|
---|
557 |
|
---|
558 | break;
|
---|
559 |
|
---|
560 | }
|
---|
561 | }
|
---|
562 | }
|
---|
563 |
|
---|
564 | #if DEBUGIT
|
---|
565 | if (debugsw AND debugms AND (NOT runit))
|
---|
566 | printf("msl(): end of asig cases -- dsp_ok = %d\n", dsp_ok);
|
---|
567 | #endif
|
---|
568 |
|
---|
569 | /* memory allocation changed ? */
|
---|
570 |
|
---|
571 | if ((ndisp EQ 2) AND se_chg AND dsp_ok) {
|
---|
572 |
|
---|
573 | dsmem(); /* display memory remaining */
|
---|
574 | se_chg = FALSE;
|
---|
575 | }
|
---|
576 |
|
---|
577 | nxtflag = FALSE; /* clear 'next score' flag */
|
---|
578 | fctemp = fc_val; /* sample the frame clock */
|
---|
579 |
|
---|
580 | if (t_cur NE fctemp) { /* see if frame clock changed */
|
---|
581 |
|
---|
582 | if (t_cur LT fctemp) { /* clock incremented */
|
---|
583 |
|
---|
584 | if (se EQ D_BAK) /* change direction ? */
|
---|
585 | chgsef();
|
---|
586 |
|
---|
587 | sc_trek(fctemp); /* track frame clock */
|
---|
588 |
|
---|
589 | } else { /* clock decremented */
|
---|
590 |
|
---|
591 | if (se EQ D_FWD) /* change direction ? */
|
---|
592 | chgseb();
|
---|
593 |
|
---|
594 | sc_trek(fctemp); /* track frame clock */
|
---|
595 | }
|
---|
596 |
|
---|
597 | /* handle display update if there's time for it */
|
---|
598 |
|
---|
599 | } else if (dsp_ok AND (t_ctr NE t_cur)) {
|
---|
600 |
|
---|
601 | if (t_ctr LT t_cur) { /* clock incremented */
|
---|
602 |
|
---|
603 | if (sd EQ D_BAK) /* change direction ? */
|
---|
604 | chgsdf();
|
---|
605 |
|
---|
606 | sc_trak(t_ctr + 1); /* track frame clock */
|
---|
607 |
|
---|
608 | } else { /* clock decremented */
|
---|
609 |
|
---|
610 | if (sd EQ D_FWD) /* change direction ? */
|
---|
611 | chgsdb();
|
---|
612 |
|
---|
613 | sc_trak(t_ctr - 1); /* track frame clock */
|
---|
614 | }
|
---|
615 | }
|
---|
616 |
|
---|
617 | #if DEBUGIT
|
---|
618 | if (debugsw AND debugms AND (NOT runit))
|
---|
619 | printf("msl(): end of clock processing -- dsp_ok = %d\n",
|
---|
620 | dsp_ok);
|
---|
621 | #endif
|
---|
622 |
|
---|
623 | /* handle 'next score' flag */
|
---|
624 |
|
---|
625 | if (nxtflag AND (sd EQ D_FWD)) { /* switch scores ? */
|
---|
626 |
|
---|
627 | oldrec = recsw;
|
---|
628 | oldclk = clkrun;
|
---|
629 |
|
---|
630 | ti = curscor + 1;
|
---|
631 |
|
---|
632 | if (ti GE N_SCORES)
|
---|
633 | ti = 0;
|
---|
634 |
|
---|
635 | for (i = 0; i < N_SCORES; i++) {
|
---|
636 |
|
---|
637 | if (E_NULL NE scores[ti]) {
|
---|
638 |
|
---|
639 | selscor(ti);
|
---|
640 | break;
|
---|
641 | }
|
---|
642 |
|
---|
643 | if (++ti GE N_SCORES)
|
---|
644 | ti = 0;
|
---|
645 | }
|
---|
646 |
|
---|
647 | clkset(oldclk); /* restore clock mode */
|
---|
648 | dsclk();
|
---|
649 | recsw = oldrec; /* restore record/play mode */
|
---|
650 | dsrpmod();
|
---|
651 | nxtflag = FALSE; /* clear 'next score' flag */
|
---|
652 | }
|
---|
653 |
|
---|
654 | #if DEBUGIT
|
---|
655 | if (debugsw AND debugms AND (NOT runit))
|
---|
656 | printf("msl(): curproc\n");
|
---|
657 | #endif
|
---|
658 |
|
---|
659 | curproc(); /* process wheel and ball */
|
---|
660 |
|
---|
661 | #if DEBUGIT
|
---|
662 | if (debugsw AND debugms AND (NOT runit))
|
---|
663 | printf("msl(): seqproc\n");
|
---|
664 | #endif
|
---|
665 |
|
---|
666 | seqproc(); /* process sequences */
|
---|
667 | }
|
---|
668 |
|
---|
669 | #if DEBUGIT
|
---|
670 | if (debugsw AND debugms)
|
---|
671 | printf("msl(): EXIT ndisp=%d\n", ndisp);
|
---|
672 | #endif
|
---|
673 | }
|
---|
674 |
|
---|