source: buchla-68k/ram/seccpy.c@ a4bd34f

Last change on this file since a4bd34f was fa38804, checked in by Thomas Lopatic <thomas@…>, 7 years ago

Removed form-feed comments.
  • Property mode set to 100644
File size: 14.3 KB
Line 
1/*
2 =============================================================================
3 seccpy.c -- section operation functions
4 Version 12 -- 1988-07-16 -- D.N. Lynx Crowe
5
6 This file contains the section operation functions for:
7
8 SOP_CPY copy sec_cpy()
9 SOP_MRG merge sec_mrg()
10 SOP_MOV move sec_mov()
11 SOP_RMV remove sec_rmv()
12 SOP_GRP regroup sec_grp()
13 SOP_DGR delete groups sec_dgr()
14 SOP_DEV delete events sec_dev()
15 =============================================================================
16*/
17
18#undef DEBUGGER /* define to enable debug trace */
19#define DEBUGIT 0
20
21#include "ram.h"
22
23/*
24 =============================================================================
25 sec_cpy() -- copy section 'ns' into the score at t_cur
26
27 ns section number to be copied
28
29 returns SUCCESS or FAILURE
30 =============================================================================
31*/
32
33int16_t sec_cpy(int16_t ns)
34{
35 register struct s_entry *cp, *lp, *rp;
36 register int32_t newet;
37
38 DB_ENTR("sec_cpy");
39
40 secopok = TRUE;
41
42 if (chksec(ns)) { /* check that section is OK */
43
44 DB_EXIT("sec_cpy - FAILED chksec");
45 return(FAILURE);
46 }
47
48 /* see if we have enough free event space to make the copy */
49
50 if (sizesec() > evleft()) {
51
52 DB_EXIT("sec_cpy - FAILED sizesec");
53 return(FAILURE);
54 }
55
56 /* make sure we won't overflow the time range */
57
58 newet = t_sect + ((scp->e_bak)->e_bak)->e_time;
59
60 if ((newet < 0) OR (newet GE 0x00FFFFFFL)) {
61
62 DB_EXIT("sec_cpy - FAILED time check");
63 return(FAILURE);
64 }
65
66
67 /* make a time adjusted copy of the section */
68
69 if (E_NULL EQ (cp = madjsec(p_sbgn, t_cur))) {
70
71 DB_EXIT("sec_cpy - FAILED madjsec");
72 return(FAILURE);
73 }
74
75 /* point at the events in the score that will surround the copy */
76
77 lp = ep_adj(p_cur, 0, t_cur); /* events left of the copy */
78 rp = lp->e_fwd; /* events right of the copy */
79
80 /* adjust the times in the score past the copy */
81
82 edelta(lp, t_cur, t_sect);
83
84 /* insert the copy into the score */
85
86 lp->e_fwd = p_cbgn; /* link copy to left events */
87 p_cbgn->e_bak = lp;
88
89 rp->e_bak = p_cend; /* link copy to right events */
90 p_cend->e_fwd = rp;
91
92 /* fix-up the event headers in the copy */
93
94 ehfix(p_cbgn, p_cend);
95
96 DB_EXIT("sec_cpy - SUCCESS");
97 return(SUCCESS);
98}
99
100/*
101 =============================================================================
102 sec_mrg() -- merge section 'ns' into the score at t_cur
103
104 ns section number to be merged
105
106 returns SUCCESS or FAILURE
107 =============================================================================
108*/
109
110int16_t sec_mrg(int16_t ns)
111{
112 register struct s_entry *cp, *lp, *rp;
113 register int32_t newet;
114 register int16_t et;
115
116 DB_ENTR("sec_mrg");
117
118 secopok = TRUE;
119
120 if (chksec(ns)) { /* check that section is OK */
121
122 DB_EXIT("sec_mrg - FAILED chksec");
123 return(FAILURE);
124 }
125
126 /* see if we have enough free event space to make the copy */
127
128 if (sizesec() > evleft()) {
129
130 DB_EXIT("sec_mrg - FAILED sizesec");
131 return(FAILURE);
132 }
133
134 /* make sure we won't overflow the time range */
135
136 newet = t_sect + ((scp->e_bak)->e_bak)->e_time;
137
138 if ((newet < 0) OR (newet GE 0x00FFFFFFL)) {
139
140 DB_EXIT("sec_mrg - FAILED time check");
141 return(FAILURE);
142 }
143
144
145 /* make a time adjusted copy of the section */
146
147 if (E_NULL EQ (cp = madjsec(p_sbgn, t_cur))) {
148
149 DB_EXIT("sec_mrg - FAILED madjsec");
150 return(FAILURE);
151 }
152
153 DB_CMNT("sec_mrg - merging events");
154
155 lp = ep_adj(p_cur, 0, t_cur); /* get merge point */
156
157 while (cp) { /* merge events into score starting at p_cur */
158
159 rp = cp->e_fwd; /* point at next event */
160 lp = ep_adj(lp, 0, cp->e_time); /* update merge point */
161 lp = e_ins(cp, lp); /* insert the element */
162 et = cp->e_type & 0x007F; /* get event type */
163
164 if (-1 NE ehdlist[et]) /* see if it's a header */
165 eh_ins(cp, ehdlist[et]); /* update header list */
166
167 cp = rp; /* update copy pointer */
168 }
169
170 DB_EXIT("sec_mrg - SUCCESS");
171 return(SUCCESS);
172}
173
174/*
175 =============================================================================
176 sec_grp() -- regroup section 'ns'
177
178 ns section number to be re-grouped
179
180 returns SUCCESS or FAILURE
181 =============================================================================
182*/
183
184int16_t sec_grp(int16_t ns)
185{
186 register struct s_entry *cp, *rp;
187 register int16_t et, nv, grp;
188
189 DB_ENTR("sec_grp");
190
191 secopok = TRUE;
192
193 if (chksec(ns)) { /* check that section is OK */
194
195 DB_EXIT("sec_grp - FAILED chksec");
196 return(FAILURE);
197 }
198
199 cp = p_sbgn; /* point at start of section */
200
201 while (cp NE p_send) { /* regroup events in section */
202
203 rp = cp->e_fwd; /* point at next event */
204 et = cp->e_type & 0x007F; /* get event type */
205
206 if (cmgtags[et]) { /* group sensitive ? */
207
208 grp = 0x000F & (cmgtype[et] ?
209 cp->e_data2 : cp->e_data1);
210
211 if ((et EQ EV_NBEG) OR (et EQ EV_NEND)) {
212
213 /* regroup */
214
215 cp->e_data2 = (cp->e_data2 & 0x00F0) |
216 grptmap[grp];
217
218 /* transpose */
219
220 nv = cp->e_data1 + grptran;
221
222 if (nv > 127)
223 nv = 127;
224 else if (nv < 0)
225 nv = 0;
226
227 cp->e_data1 = nv;
228
229 } else if ((et EQ EV_ANRS) OR (et EQ EV_ANVL)) {
230
231 /* regroup */
232
233 cp->e_data1 = (cp->e_data1 & 0x000F) |
234 (grptmap[grp] << 4);
235
236 } else {
237
238 /* regroup */
239
240 if (cmgtype[et])
241 cp->e_data2 = (cp->e_data2 & 0x00F0) |
242 grptmap[grp];
243 else
244 cp->e_data1 = (cp->e_data1 & 0x00F0) |
245 grptmap[grp];
246 }
247 }
248
249 cp = rp; /* update event pointer */
250 }
251
252 DB_EXIT("sec_grp - SUCCESS");
253 return(SUCCESS);
254}
255
256/*
257 =============================================================================
258 sec_mov() -- move section 'ns' to t_cur
259
260 ns section number to be moved
261
262 returns SUCCESS or FAILURE
263 =============================================================================
264*/
265
266int16_t sec_mov(int16_t ns)
267{
268 register struct s_entry *cp, *lp, *rp;
269 register int32_t newet;
270 register int16_t et, grp, nv;
271
272 DB_ENTR("sec_mov");
273
274 secopok = TRUE;
275
276 if (chksec(ns)) { /* check that section is OK */
277
278 DB_EXIT("sec_mov - FAILED chksec");
279 return(FAILURE);
280 }
281
282#if DEBUGIT
283 if (debugsw) {
284
285 printf("sec_mov: t_cur = %ld, t_sbgn = %ld, t_send = %ld, t_sect = %ld\n",
286 t_cur, t_sbgn, t_send, t_sect);
287
288 printf("sec_mov: p_cur = $%08lX, p_sbgn = $%08lX, p_send = $%08lX\n",
289 p_cur, p_sbgn, p_send);
290 }
291#endif
292
293 /* verify that section isn't being moved into itself */
294
295 if ((t_cur GE t_sbgn) AND (t_cur LE t_send)) {
296
297 DB_EXIT("sec_mov -- bad target");
298 return(FAILURE);
299 }
300
301
302 lp = ep_adj(p_cur, 0, t_cur); /* get left move point */
303 cp = p_send->e_fwd; /* get adjustment point */
304
305#if DEBUGIT
306 if (debugsw)
307 printf("sec_mov: lp = $%08lX, cp = $%08lX\n", lp, cp);
308#endif
309
310 /* clip out the section and close up the hole */
311
312 (p_sbgn->e_bak)->e_fwd = p_send->e_fwd;
313 (p_send->e_fwd)->e_bak = p_sbgn->e_bak;
314 p_sbgn->e_bak = E_NULL;
315 p_send->e_fwd = E_NULL;
316
317 /* adjust the times above the clip point to end of score */
318
319 if (t_cur GE t_send) /* adjust t_cur if above clip point */
320 t_cur -= t_sect;
321
322#if DEBUGIT
323 if (debugsw)
324 printf("sec_mov: adjusted t_cur = %ld\n", t_cur);
325#endif
326
327 while (EV_FINI NE (et = 0x007F & cp->e_type)) {
328
329 cp->e_time -= t_sect; /* adjust event time */
330 cp = cp->e_fwd; /* point at next event */
331 }
332
333
334#if DEBUGIT
335 if (debugsw)
336 printf("sec_mov: adjusted p_cur->e_time = %ld\n",
337 p_cur->e_time);
338#endif
339
340 /* relativize the section to 0 and unlink event headers from hplist */
341
342 rp = p_sbgn; /* start at the beginning */
343 newet = p_sbgn->e_time; /* relativize to begin time EQ 0 */
344
345 while (rp) {
346
347 rp->e_time -= newet; /* relativize the time */
348 et = 0x007F & rp->e_type; /* get event type */
349
350 if (cmgtags[et]) { /* group sensitive ? */
351
352 grp = 0x000F & (cmgtype[et] ?
353 rp->e_data2 : rp->e_data1);
354
355 if ((et EQ EV_NBEG) OR (et EQ EV_NEND)) {
356
357 /* regroup */
358
359 rp->e_data2 = (rp->e_data2 & 0x00F0) |
360 grptmap[grp];
361
362 /* transpose */
363
364 nv = rp->e_data1 + grptran;
365
366 if (nv > 127)
367 nv = 127;
368 else if (nv < 0)
369 nv = 0;
370
371 rp->e_data1 = nv;
372
373 } else if ((et EQ EV_ANRS) OR (et EQ EV_ANVL)) {
374
375 /* regroup */
376
377 rp->e_data1 = (rp->e_data1 & 0x000F) |
378 (grptmap[grp] << 4);
379
380 } else {
381
382 /* regroup */
383
384 if (cmgtype[et])
385 rp->e_data2 = (rp->e_data2 & 0x00F0) |
386 grptmap[grp];
387 else
388 rp->e_data1 = (rp->e_data1 & 0x00F0) |
389 grptmap[grp];
390 }
391 }
392
393 if (-1 NE ehdlist[et]) /* if it's a header ... */
394 eh_rmv(rp, ehdlist[et]); /* ... remove it from hplist */
395
396 rp = rp->e_fwd; /* point at the next event */
397 }
398
399 rp = lp->e_fwd; /* get right insert pointer */
400
401 /* insert the moved section */
402
403 p_sbgn->e_bak = lp;
404 p_send->e_fwd = rp;
405 lp->e_fwd = p_sbgn;
406 rp->e_bak = p_send;
407
408
409 /* derelativize the moved section and put headers back on hplist */
410
411 cp = p_sbgn;
412 newet = t_cur;
413
414#if DEBUGIT
415 if (debugsw)
416 printf("sec_mov: lp = $%08lX, cp = $%08lX, rp = $%08lX, newet = %ld\n",
417 lp, cp, rp, newet);
418#endif
419
420 while (cp NE rp) {
421
422 et = 0x007F & cp->e_type; /* get event type */
423 cp->e_time += newet; /* derelativize the time */
424
425 if (-1 NE ehdlist[et]) /* if event is a header ... */
426 eh_ins(cp, ehdlist[et]); /* ... put event on hplist */
427
428 cp = cp->e_fwd; /* point at next event */
429 }
430
431#if DEBUGIT
432 if (debugsw)
433 printf("sec_mov: adjusting times above $%08lx (%ld) by %ld\n",
434 cp, cp->e_time, t_sect);
435#endif
436
437 /* adjust times above move point */
438
439 while (EV_FINI NE (et = 0x007F & cp->e_type)) {
440
441 cp->e_time += t_sect; /* adjust the time */
442 cp = cp->e_fwd; /* point at next event */
443 }
444
445 DB_EXIT("sec_mov - SUCCESS");
446 return(SUCCESS);
447}
448
449/*
450 =============================================================================
451 sec_rmv() --remove section 'ns'
452
453 ns section number to be removed
454
455 returns SUCCESS or FAILURE
456 =============================================================================
457*/
458
459int16_t sec_rmv(int16_t ns)
460{
461 register struct s_entry *cp, *lp, *rp;
462 register int16_t et;
463 struct s_entry *pp;
464
465 DB_ENTR("sec_rmv");
466
467 secopok = TRUE;
468
469 if (chksec(ns)) { /* check that section is OK */
470
471 DB_EXIT("sec_rmv - FAILED chksec");
472 return(FAILURE);
473 }
474
475 pp = cp = p_send->e_fwd; /* get adjustment point */
476
477#if DEBUGIT
478 if (debugsw) {
479
480 printf("sec_rmv: t_cur = %ld, t_sbgn = %ld, t_send = %ld, t_sect = %ld\n",
481 t_cur, t_sbgn, t_send, t_sect);
482
483 printf("sec_rmv: p_cur = $%08lX, p_sbgn = $%08lX, p_send = $%08lX\n",
484 p_cur, p_sbgn, p_send);
485
486 printf("sec_rmv: cp = $%08lX\n", cp);
487 }
488#endif
489
490
491 /* clip out the section and close up the hole */
492
493 (p_sbgn->e_bak)->e_fwd = p_send->e_fwd;
494 (p_send->e_fwd)->e_bak = p_sbgn->e_bak;
495 p_sbgn->e_bak = E_NULL;
496 p_send->e_fwd = E_NULL;
497
498 /* adjust the times above the clip point to end of score */
499
500 if (t_cur GE t_send) /* adjust t_cur if above clip point */
501 t_cur -= t_sect;
502
503#if DEBUGIT
504 if (debugsw)
505 printf("sec_rmv: adjusted t_cur = %ld\n", t_cur);
506#endif
507
508 while (EV_FINI NE (et = 0x007F & cp->e_type)) {
509
510 cp->e_time -= t_sect; /* adjust event time */
511 cp = cp->e_fwd; /* point at next event */
512 }
513
514#if DEBUGIT
515 if (debugsw)
516 printf("sec_rmv: adjusted p_cur->e_time = %ld\n",
517 p_cur->e_time);
518#endif
519
520 /* unlink event headers from hplist, fix pointers, and delete events */
521
522 rp = p_sbgn; /* start at the beginning */
523
524 while (rp) {
525
526 lp = rp->e_fwd; /* get next event pointer */
527 et = 0x007F & rp->e_type; /* get event type */
528
529 if (p_bak EQ rp) /* fix p_bak */
530 p_bak = pp;
531
532 if (p_cur EQ rp) /* fix p_cur */
533 p_cur = pp;
534
535 if (p_ctr EQ rp) /* fix p_ctr */
536 p_ctr = pp;
537
538 if (p_fwd EQ rp) /* fix p_fwd */
539 p_fwd = pp;
540
541 if (-1 NE ehdlist[et]) /* if it's a header ... */
542 eh_rmv(rp, ehdlist[et]); /* ... remove it from hplist */
543
544 e_del(e_rmv(rp)); /* delete the event */
545 rp = lp; /* point at next event */
546 }
547
548 seclist[curscor][ns] = E_NULL; /* delete section from seclist */
549 DB_EXIT("sec_rmv");
550 return(SUCCESS);
551}
552
553/*
554 =============================================================================
555 sec_dgr() --delete notes in enabled groups in section 'ns'
556
557 ns section number to be processed
558
559 returns SUCCESS or FAILURE
560 =============================================================================
561*/
562
563int16_t sec_dgr(int16_t ns)
564{
565 register struct s_entry *lp, *rp;
566
567 DB_ENTR("sec_dgr");
568
569 secopok = TRUE;
570
571 if (chksec(ns)) { /* check that section is OK */
572
573 DB_EXIT("sec_dgr - FAILED chksec");
574 return(FAILURE);
575 }
576
577#if DEBUGIT
578 if (debugsw) {
579
580 printf("sec_dgr: t_cur = %ld, t_sbgn = %ld, t_send = %ld, t_sect = %ld\n",
581 t_cur, t_sbgn, t_send, t_sect);
582
583 printf("sec_dgr: p_cur = $%08lX, p_sbgn = $%08lX, p_send = $%08lX\n",
584 p_cur, p_sbgn, p_send);
585 }
586#endif
587
588
589 /* delete note events for record enabled groups */
590
591 DB_CMNT("sec_dgr - deleting");
592
593 rp = p_sbgn->e_fwd; /* start at the beginning */
594
595 while (rp NE p_send) {
596
597 lp = rp->e_fwd; /* get next event pointer */
598
599 if (oktodg(rp)) { /* if it's one we want ... */
600
601 if (p_bak EQ rp) /* fix p_bak */
602 p_bak = lp;
603
604 if (p_cur EQ rp) /* fix p_cur */
605 p_cur = lp;
606
607 if (p_ctr EQ rp) /* fix p_ctr */
608 p_ctr = lp;
609
610 if (p_fwd EQ rp) /* fix p_fwd */
611 p_fwd = lp;
612
613 e_del(e_rmv(rp)); /* ... delete it */
614 }
615
616 rp = lp; /* point at next event */
617 }
618
619 DB_EXIT("sec_dgr");
620 return(SUCCESS);
621}
622
623/*
624 =============================================================================
625 sec_dev() --delete non-note events in enabled groups in section 'ns'
626
627 ns section number to be processed
628
629 returns SUCCESS or FAILURE
630 =============================================================================
631*/
632
633int16_t sec_dev(int16_t ns)
634{
635 register struct s_entry *lp, *rp;
636
637 DB_ENTR("sec_dev");
638
639 secopok = TRUE;
640
641 if (chksec(ns)) { /* check that section is OK */
642
643 DB_EXIT("sec_dev - FAILED chksec");
644 return(FAILURE);
645 }
646
647#if DEBUGIT
648 if (debugsw) {
649
650 printf("sec_dev: t_cur = %ld, t_sbgn = %ld, t_send = %ld, t_sect = %ld\n",
651 t_cur, t_sbgn, t_send, t_sect);
652
653 printf("sec_dev: p_cur = $%08lX, p_sbgn = $%08lX, p_send = $%08lX\n",
654 p_cur, p_sbgn, p_send);
655 }
656#endif
657
658
659 /* delete non-note events for record enabled groups */
660
661 DB_CMNT("sec_dev - deleting");
662
663 rp = p_sbgn->e_fwd; /* start at the beginning */
664
665 while (rp NE p_send) {
666
667 lp = rp->e_fwd; /* get next event pointer */
668
669 if (oktode(rp)) { /* if it's one we want ... */
670
671 if (p_bak EQ rp) /* fix p_bak */
672 p_bak = lp;
673
674 if (p_cur EQ rp) /* fix p_cur */
675 p_cur = lp;
676
677 if (p_ctr EQ rp) /* fix p_ctr */
678 p_ctr = lp;
679
680 if (p_fwd EQ rp) /* fix p_fwd */
681 p_fwd = lp;
682
683 e_del(e_rmv(rp)); /* ... delete it */
684 }
685
686 rp = lp; /* point at next event */
687 }
688
689 DB_EXIT("sec_dev");
690 return(SUCCESS);
691}
692
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