source: buchla-68k/orig/RAM/LIBRW.C@ 5f1d169

Last change on this file since 5f1d169 was 3ae31e9, checked in by Thomas Lopatic <thomas@…>, 8 years ago

Imported original source code.
  • Property mode set to 100755
File size: 19.3 KB
RevLine 
[3ae31e9]1/*
2 =============================================================================
3 librw.c -- MIDAS librarian read / write functions
4 Version 22 -- 1988-11-18 -- D.N. Lynx Crowe
5 =============================================================================
6*/
7
8#define DEBUGIT 0
9
10#include "stddefs.h"
11#include "biosdefs.h"
12#include "memory.h"
13#include "stdio.h"
14#include "errno.h"
15
16#include "ascii.h"
17#include "charset.h"
18#include "fpu.h"
19#include "hwdefs.h"
20#include "vsdd.h"
21#include "vsddsw.h"
22#include "vsddvars.h"
23#include "graphdef.h"
24#include "charset.h"
25#include "fields.h"
26#include "patch.h"
27#include "score.h"
28#include "scfns.h"
29
30#include "midas.h"
31#include "asgdsp.h"
32#include "instdsp.h"
33#include "libdsp.h"
34#include "wsdsp.h"
35
36/*
37
38*/
39
40#if DEBUGIT
41extern short debugsw;
42#endif
43
44extern char *slotnam();
45
46extern long chksum();
47
48extern short ldslot, lderrsw, lrasw;
49extern short tunlib[][128];
50
51extern long lcsum, schksum, sntlreq;
52
53extern char tunname[][32];
54extern char ldfile[9];
55extern char ldcmnt[38];
56
57extern struct mlibhdr ldhead;
58extern struct asgent asgtab[];
59extern struct wstbl wslib[];
60extern struct instdef idefs[];
61extern struct s_time stimes[N_SCORES][N_SECTS];
62
63/*
64
65*/
66
67/*
68 =============================================================================
69 wrt_asg() -- write an assignment on the disk
70 =============================================================================
71*/
72
73short
74wrt_asg(slot)
75short slot;
76{
77 register FILE *fp;
78 register int i;
79 char cstemp[8];
80
81 preio(); /* kill LCD backlight */
82
83 fp = fopenb(slotnam(slot, FT_ASG), "w");
84
85 if ((FILE *)NULL EQ fp) {
86
87 ldermsg("Couldn't create a file",
88 " for the assignments", (char *)NULL,
89 LD_EMCF, LD_EMCB);
90
91 postio(); /* restore LCD backlight */
92 streset();
93 return(FAILURE);
94 }
95
96 makelh(FT_ASG); /* make header */
97
98 for (i = 0; i < NASGLIB; i++)
99 lcsum += chksum(&asgtab[i + 1], (long)(sizeof (struct asgent)));
100
101 sprintf(cstemp, "%08.8lX", lcsum);
102 memcpy(ldhead.l_csum, cstemp, 8);
103
104#if DEBUGIT
105 if (debugsw)
106 printf("wrt_asg(): hdr=[%-.56s]\n", &ldhead);
107#endif
108
109/*
110
111*/
112 if (wr_ec(fp, &ldhead, (long)LH_LEN)) { /* header */
113
114 streset();
115 return(FAILURE);
116 }
117
118 for (i = 0; i < NASGLIB; i++) {
119
120 if (wr_ec(fp, &asgtab[i + 1], (long)(sizeof (struct asgent)))) {
121
122 streset();
123 return(FAILURE);
124 }
125 }
126
127 fclose(fp);
128 postio(); /* restore LCD backlight */
129 return(SUCCESS);
130}
131
132/*
133
134*/
135
136/*
137 =============================================================================
138 get_asg() -- read an assignment library from the disk
139 =============================================================================
140*/
141
142short
143get_asg()
144{
145 register FILE *fp;
146 register int i;
147
148 preio(); /* kill LCD backlight */
149
150 fp = fopenb(slotnam(ldslot, FT_ASG), "r");
151
152 if ((FILE *)NULL EQ fp) {
153
154 ldermsg("Couldn't open the file",
155 " for the assignments", (char *)NULL,
156 LD_EMCF, LD_EMCB);
157
158 postio(); /* restore LCD backlight */
159 clrlsel();
160 return(FAILURE);
161 }
162
163 memcpy(ldfile, " ", 8);
164 memcpy(ldcmnt, " ", 37);
165 ldswin(3);
166 ldswin(5);
167
168/*
169
170*/
171 if (rd_ec(fp, &ldhead, (long)LH_LEN)) { /* header */
172
173 clrlsel();
174 return(FAILURE);
175 }
176
177#if DEBUGIT
178 if (debugsw)
179 printf("get_asg(): hdr=[%-.56s]\n", &ldhead);
180#endif
181
182
183 for (i = 0; i < NASGLIB; i++) {
184
185 if (rd_ec(fp, &asgtab[i + 1], (long)(sizeof (struct asgent)))) {
186
187 clrlsel();
188 return(FAILURE);
189 }
190 }
191
192 clrlsel();
193 fclose(fp);
194 postio(); /* restore LCD backlight */
195 return(SUCCESS);
196}
197
198/*
199
200*/
201
202/*
203 =============================================================================
204 wrt_orc() -- write an orchestra on the disk
205 =============================================================================
206*/
207
208short
209wrt_orc(slot, lorh)
210short slot, lorh;
211{
212 register FILE *fp;
213 register int i;
214 register struct instdef *ip;
215 char cstemp[8];
216
217 if (lorh)
218 ldbusy(" Writing Hi Orch");
219 else
220 ldbusy(" Writing Lo Orch");
221
222 preio(); /* kill LCD backlight */
223
224 fp = fopenb(slotnam(slot, FT_ORC), "w");
225
226 if ((FILE *)NULL EQ fp) {
227
228 ldermsg("Couldn't create a file",
229 " for the orchestra", (char *)NULL,
230 LD_EMCF, LD_EMCB);
231
232 postio(); /* restore LCD backlight */
233 streset();
234 return(FAILURE);
235 }
236
237 makelh(FT_ORC); /* make header */
238
239 for (i = 0; i < NINORC; i++) {
240
241 ip = &idefs[i + 1 + (lorh ? NINORC : 0)];
242
243 lcsum += chksum(ip, (long)OR_LEN1);
244 lcsum += chksum(ip->idhwvao, (long)OR_LEN2);
245 lcsum += chksum(ip->idhwvbo, (long)OR_LEN2);
246 }
247
248 sprintf(cstemp, "%08.8lX", lcsum);
249 memcpy(ldhead.l_csum, cstemp, 8);
250
251#if DEBUGIT
252 if (debugsw)
253 printf("wrt_orc(): hdr=[%-.56s]\n", &ldhead);
254#endif
255
256/*
257
258*/
259 if (wr_ec(fp, &ldhead, (long)LH_LEN)) { /* header */
260
261 streset();
262 return(FAILURE);
263 }
264
265 for (i = 0; i < NINORC; i++) {
266
267 ip = &idefs[i + 1 + (lorh ? NINORC : 0)];
268
269 if (wr_ec(fp, ip, (long)OR_LEN1)) { /* functions */
270
271 streset();
272 return(FAILURE);
273 }
274
275 if (wr_ec(fp, ip->idhwvao, (long)OR_LEN2)) { /* WS A */
276
277 streset();
278 return(FAILURE);
279 }
280
281 if (wr_ec(fp, ip->idhwvbo, (long)OR_LEN2)) { /* WS B */
282
283 streset();
284 return(FAILURE);
285 }
286 }
287
288 fclose(fp);
289 postio(); /* restore LCD backlight */
290 return(SUCCESS);
291}
292
293/*
294
295*/
296
297/*
298 =============================================================================
299 get_orc() -- read an orchestra from the disk
300 =============================================================================
301*/
302
303short
304get_orc(lorh, kind)
305short lorh, kind;
306{
307 register FILE *fp;
308 register int i;
309 register struct instdef *ip;
310
311 if (lorh)
312 ldbusy(" Reading Hi Orch");
313 else
314 ldbusy(" Reading Lo Orch");
315
316 preio(); /* kill LCD backlight */
317
318 fp = fopenb(slotnam(ldslot, kind), "r");
319
320 if ((FILE *)NULL EQ fp) {
321
322 ldermsg("Couldn't open the file",
323 " for the orchestra", (char *)NULL,
324 LD_EMCF, LD_EMCB);
325
326 postio(); /* restore LCD backlight */
327 clrlsel();
328 return(FAILURE);
329 }
330
331 memcpy(ldfile, " ", 8);
332 memcpy(ldcmnt, " ", 37);
333 ldswin(3);
334 ldswin(5);
335
336/*
337
338*/
339 if (rd_ec(fp, &ldhead, (long)LH_LEN)) { /* header */
340
341 clrlsel();
342 return(FAILURE);
343 }
344
345#if DEBUGIT
346 if (debugsw)
347 printf("get_orc(): hdr=[%-.56s]\n", &ldhead);
348#endif
349
350
351 for (i = 0; i < NINORC; i++) {
352
353 ip = &idefs[i + 1 + (lorh ? NINORC : 0)];
354
355 if (rd_ec(fp, ip, (long)OR_LEN1)) { /* functions */
356
357 clrlsel();
358 return(FAILURE);
359 }
360
361 if (rd_ec(fp, ip->idhwvao, (long)OR_LEN2)) { /* WS A */
362
363 clrlsel();
364 return(FAILURE);
365 }
366
367 if (rd_ec(fp, ip->idhwvbo, (long)OR_LEN2)) { /* WS B */
368
369 clrlsel();
370 return(FAILURE);
371 }
372
373 /* unpack offsets (and eventually harmonics) into finals */
374
375 memcpyw(ip->idhwvaf, ip->idhwvao, NUMWPNT);
376 memcpyw(ip->idhwvbf, ip->idhwvbo, NUMWPNT);
377 }
378
379 clrlsel();
380 fclose(fp);
381 postio(); /* restore LCD backlight */
382 return(SUCCESS);
383}
384
385/*
386
387*/
388
389/*
390 =============================================================================
391 wrt_tun() -- write a tuning library on the disk
392 =============================================================================
393*/
394
395short
396wrt_tun(slot)
397short slot;
398{
399 register FILE *fp;
400 register int i;
401 char cstemp[8];
402
403 preio(); /* kill LCD backlight */
404
405 fp = fopenb(slotnam(slot, FT_TUN), "w");
406
407 if ((FILE *)NULL EQ fp) {
408
409 ldermsg("Couldn't create a file",
410 " for the tunings", (char *)NULL,
411 LD_EMCF, LD_EMCB);
412
413 postio(); /* restore LCD backlight */
414 streset();
415 return(FAILURE);
416 }
417
418 makelh(FT_TUN); /* make header */
419
420 for (i = 0; i < NTUNSLIB; i++) {
421
422 lcsum += chksum(&tunlib[i + 1], 256L);
423 lcsum += chksum(&tunname[i + 1], 32L);
424 }
425
426 sprintf(cstemp, "%08.8lX", lcsum);
427 memcpy(ldhead.l_csum, cstemp, 8);
428
429#if DEBUGIT
430 if (debugsw)
431 printf("wrt_tun(): hdr=[%-.56s]\n", &ldhead);
432#endif
433
434/*
435
436*/
437 if (wr_ec(fp, &ldhead, (long)LH_LEN)) { /* header */
438
439 streset();
440 return(FAILURE);
441 }
442
443 for (i = 0; i < NTUNSLIB; i++) {
444
445 if (wr_ec(fp, &tunlib[i + 1], 256L)) {
446
447 streset();
448 return(FAILURE);
449 }
450
451 if (wr_ec(fp, &tunname[i + 1], 32L)) {
452
453 streset();
454 return(FAILURE);
455 }
456 }
457
458 fclose(fp);
459 postio(); /* restore LCD backlight */
460 return(SUCCESS);
461}
462
463/*
464
465*/
466
467/*
468 =============================================================================
469 get_tun() -- read a tuning library from the disk
470 =============================================================================
471*/
472
473short
474get_tun()
475{
476 register FILE *fp;
477 register int i;
478
479 preio(); /* kill LCD backlight */
480
481 fp = fopenb(slotnam(ldslot, FT_TUN), "r");
482
483 if ((FILE *)NULL EQ fp) {
484
485 ldermsg("Couldn't open the file",
486 " for the tunings", (char *)NULL,
487 LD_EMCF, LD_EMCB);
488
489 postio(); /* restore LCD backlight */
490 clrlsel();
491 return(FAILURE);
492 }
493
494 memcpy(ldfile, " ", 8);
495 memcpy(ldcmnt, " ", 37);
496 ldswin(3);
497 ldswin(5);
498
499/*
500
501*/
502 if (rd_ec(fp, &ldhead, (long)LH_LEN)) { /* header */
503
504 clrlsel();
505 return(FAILURE);
506 }
507
508#if DEBUGIT
509 if (debugsw)
510 printf("get_tun(): hdr=[%-.56s]\n", &ldhead);
511#endif
512
513
514 for (i = 0; i < NTUNSLIB; i++) {
515
516 if (rd_ec(fp, &tunlib[i + 1], 256L)) {
517
518 clrlsel();
519 return(FAILURE);
520 }
521
522 if (rd_ec(fp, &tunname[i + 1], 32L)) {
523
524 clrlsel();
525 return(FAILURE);
526 }
527 }
528
529 clrlsel();
530 fclose(fp);
531 postio(); /* restore LCD backlight */
532 return(SUCCESS);
533}
534
535/*
536
537*/
538
539/*
540 =============================================================================
541 wrt_pat() -- write a patch file on the disk
542 =============================================================================
543*/
544
545short
546wrt_pat(slot)
547short slot;
548{
549 register FILE *fp;
550 char cstemp[8];
551
552 preio(); /* kill LCD backlight */
553
554 fp = fopenb(slotnam(slot, FT_PAT), "w");
555
556 if ((FILE *)NULL EQ fp) {
557
558 ldermsg("Couldn't create a file",
559 " for the patches", (char *)NULL,
560 LD_EMCF, LD_EMCB);
561
562 postio(); /* restore LCD backlight */
563 streset();
564 return(FAILURE);
565 }
566
567 makelh(FT_PAT); /* make header */
568
569 sprintf(cstemp, "%08.8lX", lcsum);
570 memcpy(ldhead.l_csum, cstemp, 8);
571
572#if DEBUGIT
573 if (debugsw)
574 printf("wrt_pat(): hdr=[%-.56s]\n", &ldhead);
575#endif
576
577/*
578
579*/
580 if (wr_ec(fp, &ldhead, (long)LH_LEN)) { /* header */
581
582 streset();
583 return(FAILURE);
584 }
585
586 if (ptwrite(fp)) { /* patches */
587
588 streset();
589 return(FAILURE);
590 }
591
592 fclose(fp);
593 postio(); /* restore LCD backlight */
594 return(SUCCESS);
595}
596
597/*
598
599*/
600
601/*
602 =============================================================================
603 get_pat() -- read a patch file from the disk
604 =============================================================================
605*/
606
607short
608get_pat()
609{
610 register FILE *fp;
611
612 preio(); /* kill LCD backlight */
613
614 fp = fopenb(slotnam(ldslot, FT_PAT), "r");
615
616 if ((FILE *)NULL EQ fp) {
617
618 ldermsg("Couldn't open the file",
619 " for the patches", (char *)NULL,
620 LD_EMCF, LD_EMCB);
621
622 postio(); /* restore LCD backlight */
623 clrlsel();
624 return(FAILURE);
625 }
626
627 memcpy(ldfile, " ", 8);
628 memcpy(ldcmnt, " ", 37);
629 ldswin(3);
630 ldswin(5);
631
632/*
633
634*/
635 if (rd_ec(fp, &ldhead, (long)LH_LEN)) { /* header */
636
637 clrlsel();
638 return(FAILURE);
639 }
640
641#if DEBUGIT
642 if (debugsw)
643 printf("get_pat(): hdr=[%-.56s]\n", &ldhead);
644#endif
645
646 if (lrasw EQ 0) /* clear all patches if in replace mode */
647 initpt();
648
649 if (ptread(fp)) {
650
651 clrlsel();
652 return(FAILURE);
653 }
654
655 fclose(fp);
656 postio(); /* restore LCD backlight */
657 clrlsel();
658 return(SUCCESS);
659}
660
661/*
662
663*/
664
665/*
666 =============================================================================
667 wrt_scr() -- write a score file on the disk
668 =============================================================================
669*/
670
671short
672wrt_scr(slot)
673short slot;
674{
675 register FILE *fp;
676 register int i;
677 long tnb;
678 char cstemp[8];
679
680 preio(); /* kill LCD backlight */
681
682 fp = fopenb(slotnam(slot, FT_SCR), "w");
683
684 if ((FILE *)NULL EQ fp) {
685
686 ldermsg("Couldn't create a file",
687 " for the scores", (char *)NULL,
688 LD_EMCF, LD_EMCB);
689
690 postio(); /* restore LCD backlight */
691 streset();
692 return(FAILURE);
693 }
694
695 makelh(FT_SCR); /* make header */
696
697 lcsum += sntlreq;
698
699 sprintf(cstemp, "%08.8lX", lcsum);
700 memcpy(ldhead.l_csum, cstemp, 8);
701
702#if DEBUGIT
703 if (debugsw)
704 printf("wrt_scr(): hdr=[%-.56s]\n", &ldhead);
705#endif
706
707/*
708
709*/
710 if (wr_ec(fp, &ldhead, (long)LH_LEN)) { /* header */
711
712 streset();
713 return(FAILURE);
714 }
715
716 if (wr_ec(fp, &sntlreq, 4L)) { /* total longs required */
717
718 streset();
719 return(FAILURE);
720 }
721
722 for (i = 0; i < N_SCORES; i++) { /* scores */
723
724 if (scwrite(i, fp)) {
725
726 streset();
727 return(FAILURE);
728 }
729 }
730
731 fclose(fp);
732 postio(); /* restore LCD backlight */
733 return(SUCCESS);
734}
735
736/*
737
738*/
739
740/*
741 =============================================================================
742 get_scr() -- read a score file from the disk
743 =============================================================================
744*/
745
746short
747get_scr()
748{
749 register FILE *fp;
750 register int i;
751 long tnl;
752
753 preio(); /* kill LCD backlight */
754
755 fp = fopenb(slotnam(ldslot, FT_SCR), "r");
756
757 if ((FILE *)NULL EQ fp) {
758
759 ldermsg("Couldn't open the file",
760 " for the scores", (char *)NULL,
761 LD_EMCF, LD_EMCB);
762
763 postio(); /* restore LCD backlight */
764 clrlsel();
765 return(FAILURE);
766 }
767
768 memcpy(ldfile, " ", 8);
769 memcpy(ldcmnt, " ", 37);
770 ldswin(3);
771 ldswin(5);
772
773/*
774
775*/
776 if (rd_ec(fp, &ldhead, (long)LH_LEN)) { /* header */
777
778 clrlsel();
779 return(FAILURE);
780 }
781
782#if DEBUGIT
783 if (debugsw)
784 printf("get_scr(): hdr=[%-.56s]\n", &ldhead);
785#endif
786
787
788 if (rd_ec(fp, &tnl, 4L)) { /* longs required */
789
790 clrlsel();
791 return(FAILURE);
792 }
793
794 if (lrasw EQ 0) /* clear all scores if in replace mode */
795 scinit();
796
797 for (i = 0; i < N_SCORES; i++) { /* read scores */
798
799 if (scread(i, fp)) {
800
801 clrlsel();
802 return(FAILURE);
803 }
804 }
805
806 fclose(fp);
807 postio(); /* restore LCD backlight */
808
809 p_bak = p_cur = p_ctr = p_fwd = scp = E_NULL;
810 t_cur = t_ctr = 0L;
811 t_bak = t_cur - TO_BAK;
812 t_fwd = t_cur + TO_FWD;
813
814 selscor(0);
815
816 clrlsel();
817 return(SUCCESS);
818}
819
820/*
821
822*/
823
824/*
825 =============================================================================
826 wrt_seq() -- write a sequence file on the disk
827 =============================================================================
828*/
829
830short
831wrt_seq(slot)
832short slot;
833{
834 register FILE *fp;
835 char cstemp[8];
836
837 preio(); /* kill LCD backlight */
838
839 fp = fopenb(slotnam(slot, FT_SEQ), "w");
840
841 if ((FILE *)NULL EQ fp) {
842
843 ldermsg("Couldn't create a file",
844 " for the sequences", (char *)NULL,
845 LD_EMCF, LD_EMCB);
846
847 postio(); /* restore LCD backlight */
848 streset();
849 return(FAILURE);
850 }
851
852 makelh(FT_SEQ); /* make header */
853
854 sprintf(cstemp, "%08.8lX", lcsum);
855 memcpy(ldhead.l_csum, cstemp, 8);
856
857#if DEBUGIT
858 if (debugsw)
859 printf("wrt_seq(): hdr=[%-.56s]\n", &ldhead);
860#endif
861
862/*
863
864*/
865 if (wr_ec(fp, &ldhead, (long)LH_LEN)) { /* header */
866
867 streset();
868 return(FAILURE);
869 }
870
871 if (sqwrite(fp)) { /* sequences */
872
873 streset();
874 return(FAILURE);
875 }
876
877 fclose(fp);
878 postio(); /* restore LCD backlight */
879 return(SUCCESS);
880}
881
882/*
883
884*/
885
886/*
887 =============================================================================
888 get_seq() -- read a sequence file from the disk
889 =============================================================================
890*/
891
892short
893get_seq()
894{
895 register FILE *fp;
896
897 preio(); /* kill LCD backlight */
898
899 fp = fopenb(slotnam(ldslot, FT_SEQ), "r");
900
901 if ((FILE *)NULL EQ fp) {
902
903 ldermsg("Couldn't open the file",
904 " for the sequences", (char *)NULL,
905 LD_EMCF, LD_EMCB);
906
907 postio(); /* restore LCD backlight */
908 clrlsel();
909 return(FAILURE);
910 }
911
912 memcpy(ldfile, " ", 8);
913 memcpy(ldcmnt, " ", 37);
914 ldswin(3);
915 ldswin(5);
916
917/*
918
919*/
920 if (rd_ec(fp, &ldhead, (long)LH_LEN)) { /* header */
921
922 clrlsel();
923 return(FAILURE);
924 }
925
926#if DEBUGIT
927 if (debugsw)
928 printf("get_seq(): hdr=[%-.56s]\n", &ldhead);
929#endif
930
931 initsq();
932
933 if (sqread(fp)) {
934
935 clrlsel();
936 return(FAILURE);
937 }
938
939 fclose(fp);
940 postio(); /* restore LCD backlight */
941 clrlsel();
942 return(SUCCESS);
943}
944
945/*
946
947*/
948
949/*
950 =============================================================================
951 wrt_wav() -- write a waveshape library on the disk
952 =============================================================================
953*/
954
955short
956wrt_wav(slot)
957short slot;
958{
959 register FILE *fp;
960 register int i;
961 char cstemp[8];
962 register struct wstbl *wp;
963
964 preio(); /* kill LCD backlight */
965
966 fp = fopenb(slotnam(slot, FT_WAV), "w");
967
968 if ((FILE *)NULL EQ fp) {
969
970 ldermsg("Couldn't create a file",
971 " for the waveshapes", (char *)NULL,
972 LD_EMCF, LD_EMCB);
973
974 postio(); /* restore LCD backlight */
975 streset();
976 return(FAILURE);
977 }
978
979 makelh(FT_WAV); /* make header */
980
981 for (i = 0; i < NUMWAVS; i++) {
982
983 wp = &wslib[i];
984
985 lcsum += chksum(wp->offset, (long)(NUMWPNT * 2));
986 lcsum += chksum(wp->harmon, (long)(NUMHARM * 2));
987 }
988
989 sprintf(cstemp, "%08.8lX", lcsum);
990 memcpy(ldhead.l_csum, cstemp, 8);
991
992#if DEBUGIT
993 if (debugsw)
994 printf("wrt_wav(): hdr=[%-.56s]\n", &ldhead);
995#endif
996
997/*
998
999*/
1000 if (wr_ec(fp, &ldhead, (long)LH_LEN)) { /* header */
1001
1002 streset();
1003 return(FAILURE);
1004 }
1005
1006 for (i = 0; i < NUMWAVS; i++) {
1007
1008 wp = &wslib[i];
1009
1010 if (wr_ec(fp, wp->offset, (long)(NUMWPNT * 2))) {
1011
1012 streset();
1013 return(FAILURE);
1014 }
1015
1016 if (wr_ec(fp, wp->harmon, (long)(NUMHARM * 2))) {
1017
1018 streset();
1019 return(FAILURE);
1020 }
1021 }
1022
1023 fclose(fp);
1024 postio(); /* restore LCD backlight */
1025 return(SUCCESS);
1026}
1027
1028/*
1029
1030*/
1031
1032/*
1033 =============================================================================
1034 get_wav() -- read a waveshape library from the disk
1035 =============================================================================
1036*/
1037
1038short
1039get_wav()
1040{
1041 register FILE *fp;
1042 register int i;
1043 register struct wstbl *wp;
1044
1045 preio(); /* kill LCD backlight */
1046
1047 fp = fopenb(slotnam(ldslot, FT_WAV), "r");
1048
1049 if ((FILE *)NULL EQ fp) {
1050
1051 ldermsg("Couldn't open the file",
1052 " for the waveshapes", (char *)NULL,
1053 LD_EMCF, LD_EMCB);
1054
1055 postio(); /* restore LCD backlight */
1056 clrlsel();
1057 return(FAILURE);
1058 }
1059
1060 memcpy(ldfile, " ", 8);
1061 memcpy(ldcmnt, " ", 37);
1062 ldswin(3);
1063 ldswin(5);
1064
1065/*
1066
1067*/
1068 if (rd_ec(fp, &ldhead, (long)LH_LEN)) { /* header */
1069
1070 clrlsel();
1071 return(FAILURE);
1072 }
1073
1074#if DEBUGIT
1075 if (debugsw)
1076 printf("get_wav(): hdr=[%-.56s]\n", &ldhead);
1077#endif
1078
1079
1080 for (i = 0; i < NUMWAVS; i++) {
1081
1082 wp = &wslib[i];
1083
1084 if (rd_ec(fp, wp->offset, (long)(NUMWPNT * 2))) {
1085
1086 clrlsel();
1087 return(FAILURE);
1088 }
1089
1090 if (rd_ec(fp, wp->harmon, (long)(NUMHARM * 2))) {
1091
1092 clrlsel();
1093 return(FAILURE);
1094 }
1095
1096 /* unpack offsets (and eventually harmonics) into finals */
1097
1098 memcpyw(wp->final, wp->offset, NUMWPNT);
1099 }
1100
1101 clrlsel();
1102 fclose(fp);
1103 postio(); /* restore LCD backlight */
1104 return(SUCCESS);
1105}
1106
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