source: buchla-68k/ram/wheel.c@ e225e77

Last change on this file since e225e77 was e225e77, checked in by Thomas Lopatic <thomas@…>, 7 years ago

Added missing includes and declarations.
  • Property mode set to 100644
File size: 25.1 KB
Line 
1/*
2 =============================================================================
3 wheel.c -- MIDAS-VII -- scroll wheel, trackball and mouse functions
4 Version 47 -- 1989-12-19 -- D.N. Lynx Crowe
5
6 M8 Mouse driver -- uses 3 byte Microsoft format (default).
7 =============================================================================
8*/
9
10#define DEBUGMS 0
11#define DEBUGTF 0
12#define DEBUGTK 0
13
14#include "stddefs.h"
15#include "graphdef.h"
16#include "biosdefs.h"
17#include "uartio.h"
18#include "vsdd.h"
19#include "hwdefs.h"
20#include "fields.h"
21#include "macros.h"
22#include "sclock.h"
23#include "scwheel.h"
24#include "timers.h"
25#include "score.h"
26#include "curpak.h"
27
28#include "midas.h"
29
30extern uint16_t setipl(uint16_t arg);
31
32extern int16_t infield(int16_t row, int16_t col, struct fet *fetp);
33extern void cmfix(void);
34extern void smy_up(int16_t tag);
35extern void sqy_up(int16_t tag);
36
37#define M_FL_CT 1024 /* mouse flush count */
38
39#define M_ST_TM 2
40#define C_PER_S 500
41#define MAXTRIES 10
42
43#define MATIME 2000 /* mouse activity timeout -- ms*/
44
45#define CFR0 (BR_1200|NSB_1) /* UART CFR0 1200 baud, 1 stop bit */
46#define CFR1 (P_NONE|NDB_7) /* UART CFR1 7 data bits, no parity */
47
48#define M_NONE 0 /* No errors detected */
49#define M_FLUSH 1 /* Unable to flush mouse buffer */
50#define M_SYNC 2 /* Mouse out of sync */
51#define M_NORESP 3 /* No response from mouse */
52#define M_RESPNG 4 /* Bad response from mouse */
53
54/*
55
56*/
57
58#if DEBUGMS
59short debugms;
60#endif
61
62#if DEBUGTF
63short debugtf;
64
65long txficnt;
66long tyficnt;
67#endif
68
69#if DEBUGTK
70short debugtk;
71#endif
72
73int16_t M_error; /* mouse I/F error code */
74int16_t M_state; /* mouse state */
75int16_t M_oldbs; /* previous mouse button state */
76
77int8_t M_strng[32]; /* mouse input string buffer */
78
79int16_t msctrl; /* mouse control flag -- mouse update */
80int16_t msflag; /* mouse control flag -- mouse movement */
81int16_t msrtag; /* mouse control flag -- mouse reset */
82int16_t msxres; /* mouse x residue */
83int16_t msyres; /* mouse y residue */
84int16_t msxmov; /* mouse x movement */
85int16_t msymov; /* mouse y movement */
86int16_t msxdiv; /* mouse x divisor */
87int16_t msydiv; /* mouse y divisor */
88
89int16_t tkboth; /* both trackball axes went active */
90
91int16_t txdiv; /* text cursor X divider */
92int16_t tydiv; /* text cursor Y divider */
93
94int16_t tkxdvr = TKXDVR; /* text cursor X divisor */
95int16_t tkydvr = TKYDVR; /* text cursor Y divisor */
96
97int16_t tkhdvr = TKCDVR; /* text cursor horizontal movement threshold */
98int16_t tkvdvr = TKCDVR; /* text cursor vertical movement threshold */
99
100/*
101
102*/
103
104int16_t msxgdv[13] = { /* mouse x cursor divisor table */
105
106 1, /* -1 -- Main menu */
107 1, /* 0 -- Librarian */
108 1, /* 1 -- Patch editor */
109 1, /* 2 -- Score editor */
110 1, /* 3 -- Sequence editor */
111 1, /* 4 -- Instrument editor */
112 1, /* 5 -- Initialize system */
113 1, /* 6 -- Waveshape editor */
114 1, /* 7 -- Write program to disk */
115 1, /* 8 -- Tuning editor */
116 1, /* 9 -- Format disk */
117 1, /* 10 -- Assignment editor */
118 1 /* 11 -- Diagnostics */
119};
120
121int16_t msygdv[13] = { /* mouse y cursor divisor table */
122
123 2, /* -1 -- Main menu */
124 2, /* 0 -- Librarian */
125 2, /* 1 -- Patch editor */
126 2, /* 2 -- Score editor */
127 2, /* 3 -- Sequence editor */
128 2, /* 4 -- Instrument editor */
129 2, /* 5 -- Initialize system */
130 2, /* 6 -- Waveshape editor */
131 2, /* 7 -- Write program to disk */
132 2, /* 8 -- Tuning editor */
133 2, /* 9 -- Format disk */
134 2, /* 10 -- Assignment editor */
135 2 /* 11 -- Diagnostics */
136};
137
138/*
139
140*/
141
142extern void (*curmove)(void);
143extern void (*cx_upd)(void);
144extern void (*cy_upd)(void);
145extern void (*xy_dn)(void);
146extern void (*xy_up)(void);
147extern void (*e_key)(void);
148extern void (*m_key)(void);
149extern void (*x_key)(void);
150
151extern int16_t asig;
152extern int16_t astat;
153extern int16_t aval;
154extern int16_t chtime;
155extern int16_t chwait;
156extern int16_t clkctl;
157extern int16_t clkrun;
158extern int16_t cmfirst;
159extern int16_t cmtype;
160extern int16_t ctrsw;
161extern int16_t curhold;
162extern int16_t cvtime;
163extern int16_t cvwait;
164extern int16_t cxrate;
165extern int16_t cxval;
166extern int16_t cyrate;
167extern int16_t cyval;
168extern int16_t msctrl;
169extern int16_t msflag;
170extern int16_t msxdiv;
171extern int16_t msydiv;
172extern int16_t nchwait;
173extern int16_t ncvwait;
174extern int16_t ndisp;
175extern int16_t ss_ptsw;
176extern int16_t ss_sqsw;
177extern int16_t stccol;
178extern int16_t stcrow;
179extern int16_t swback;
180extern int16_t swctrl;
181extern int16_t swdelta;
182extern int16_t swdir;
183extern int16_t swfiin;
184extern int16_t swflag;
185extern int16_t swlast;
186extern int16_t swndx;
187extern int16_t swstop;
188extern int16_t swthr;
189extern int16_t swtime;
190extern int16_t swwait;
191
192/*
193
194*/
195
196extern int16_t tkback;
197extern int16_t tkctrl;
198extern int16_t tkrmin;
199extern int16_t tkthr;
200extern int16_t tktime;
201extern int16_t tkwait;
202extern int16_t trkball;
203extern int16_t txfiin;
204extern int16_t txflag;
205extern int16_t txlast;
206extern int16_t tyfiin;
207extern int16_t tyflag;
208extern int16_t tylast;
209extern int16_t txstop;
210extern int16_t tystop;
211extern int16_t vtccol;
212extern int16_t vtcrow;
213extern int16_t vtpcol;
214extern int16_t vtprow;
215extern int16_t xkstat;
216extern int16_t ykstat;
217
218extern int32_t swcount;
219extern int32_t swrate;
220extern int32_t swrmin;
221extern int32_t swtemp;
222
223extern int16_t *cratex;
224extern int16_t *cratey;
225
226extern int16_t sigtab[][2];
227extern int16_t swfifo[NSWFIFO];
228extern int16_t txfifo[NTKFIFO];
229extern int16_t tyfifo[NTKFIFO];
230
231#include "swrtab.h" /* long swrtab[128]; */
232
233#include "memory.h"
234#include "strings.h"
235
236/*
237
238*/
239
240/*
241 =============================================================================
242 MouseRT() -- reset the mouse activity timer
243 =============================================================================
244*/
245
246void MouseRT(uint16_t t)
247{
248 uint16_t oldi;
249
250 oldi = setipl(TIM_DI); /* disable interrupts */
251
252 timers[MUTIMER] = t; /* set the mouse timer */
253
254 setipl(oldi); /* enable interrupts */
255
256#if DEBUGMS
257 if (debugms > 2)
258 printf("MouseRT(%d)\n", t);
259#endif
260}
261
262/*
263
264*/
265
266/*
267 =============================================================================
268 MouseRD() -- read a string from the mouse
269 =============================================================================
270*/
271
272int16_t MouseRD(int8_t *str, int16_t nc, int16_t nt)
273{
274 int32_t tc;
275
276 tc = nt * (int32_t)C_PER_S;
277
278 while (nc > 0) {
279
280 if (BIOS(B_RDAV, PRT_DEV)) {
281
282 *str++ = (int8_t)BIOS(B_GETC, PRT_DEV);
283 *str = '\0';
284 --nc;
285
286 } else {
287
288 if (tc-- LE 0)
289 return(FAILURE);
290 }
291 }
292
293 return(SUCCESS);
294}
295
296/*
297 =============================================================================
298 MouseWR() -- write a string to the mouse
299 =============================================================================
300*/
301
302void MouseWR(int8_t *str)
303{
304 register uint16_t c;
305
306#if DEBUGMS
307 if (debugms > 1)
308 printf("OUT \"%s\"\n", str);
309#endif
310
311 while (c = 0x00FF & *str++) /* get a byte */
312 BIOS(B_PUTC, PRT_DEV, c); /* output it */
313}
314
315/*
316
317*/
318
319/*
320 =============================================================================
321 MouseFL() -- flush the mouse input buffer
322 =============================================================================
323*/
324
325int16_t MouseFL(int16_t tc)
326{
327 int32_t flushed;
328
329 flushed = 0L; /* reset the flush counter */
330
331 M_state = 0; /* reset mouse state */
332 msflag = FALSE; /* reset mouse movement flag */
333 msctrl = FALSE; /* reset mouse update flag */
334
335 while (BIOS(B_RDAV, PRT_DEV)) { /* check for data */
336
337 BIOS(B_GETC, PRT_DEV); /* read a byte */
338 ++flushed; /* update flush count */
339
340 if (--tc LE 0) { /* see if we've timed out */
341
342#if DEBUGMS
343 if (debugms)
344 printf("FLUSH %d %ld FAILURE\n", M_state, flushed);
345#endif
346
347 return(FAILURE); /* FAILED */
348 }
349 }
350
351#if DEBUGMS
352 if (debugms)
353 printf("FLUSH %d %ld SUCCESS\n", M_state, flushed);
354#endif
355
356 return(SUCCESS); /* SUCCEEDED */
357}
358
359/*
360
361*/
362
363/*
364 =============================================================================
365 MouseWK() -- wake up the mouse
366 =============================================================================
367*/
368
369int16_t MouseWK(void)
370{
371 int16_t tries;
372
373 M_error = M_NONE; /* reset mouse error flag */
374 M_oldbs = 0; /* reset mouse button state */
375 M_state = 0; /* reset the mouse state machine */
376
377 /* set the UART to 1200 baud, 7 data bits, No parity, 1 stop bit */
378
379 XBIOS(X_SETPRT, PRT_DEV, L_NUL, -1, CFR0, CFR1);
380
381 if (MouseFL(M_FL_CT)) { /* flush the FIFO */
382
383 M_error = M_FLUSH; /* error -- can't flush */
384
385#if DEBUGMS
386 if (debugms)
387 printf("MouseWK() -- FAILURE\n");
388#endif
389
390 return(FAILURE); /* return -- we failed */
391 }
392
393 for (tries = 0; tries < MAXTRIES; tries++) {
394
395 MouseWR("t"); /* ask the mouse its mode */
396
397 if (MouseRD(M_strng, 2, M_ST_TM)) {
398
399 M_error = M_NORESP;
400
401 } else if (strcmp("VO", M_strng)) {
402
403 M_error = M_RESPNG;
404
405 if (MouseFL(M_FL_CT))
406 M_error = M_FLUSH;
407
408 } else {
409
410 M_error = M_NONE;
411 MouseRT(MATIME);
412
413#if DEBUGMS
414 if (debugms)
415 printf("MouseWK() -- SUCCESS\n");
416#endif
417 return(SUCCESS);
418 }
419 }
420
421#if DEBUGMS
422 if (debugms)
423 printf("MouseWK() -- FAILURE\n");
424#endif
425
426 return(FAILURE);
427}
428
429
430/*
431
432*/
433
434/*
435 =============================================================================
436 MouseEX() -- process a mouse report
437 =============================================================================
438*/
439
440void MouseEX(int8_t *str)
441{
442 uint16_t oldi, msc, mst;
443
444#if DEBUGMS
445 if (debugms > 2)
446 printf("REPORT %02.2X %02.2X %02.2X\n",
447 str[0] & 0x00FF, str[1] & 0x00FF, str[2] & 0x00FF);
448#endif
449
450 M_error = M_NONE; /* reset error code */
451
452 if ((str[0] & 0x0040) NE 0x0040) {
453
454 if (MouseFL(M_FL_CT))
455 M_error = M_FLUSH;
456 else
457 M_error = M_SYNC;
458
459 M_state = 0;
460 MouseRT(MATIME);
461
462#if DEBUGMS
463 if (debugms)
464 printf("SYNC\n");
465#endif
466
467 return;
468 }
469
470 mst = str[0] & 0x0030; /* extract mouse buttons */
471 msc = M_oldbs ^ mst; /* see what changed */
472 M_oldbs = mst; /* update button state */
473
474 if (msc) { /* check for button status change */
475
476 if (msc & 0x0010) { /* m key ? (right mouse button) */
477
478 astat = (mst & 0x0010) >> 4;
479 (*m_key)();
480 }
481
482 if (msc & 0x0020) { /* e key ? (left mouse button) */
483
484 astat = (mst & 0x0020) >> 5;
485 (*e_key)();
486 }
487 }
488
489 if ((ss_ptsw NE 0) OR (ss_sqsw NE 0)) {
490
491 cxrate = 0;
492 cyrate = 0;
493 return;
494 }
495
496/*
497
498*/
499
500 msxmov = str[1] | ((str[0] & 0x0003) << 6);
501
502 if (msxmov & 0x0080)
503 msxmov |= 0xFF80;
504
505 msxmov += msxres;
506
507 msymov = str[2] + ((str[0] & 0x000C) << 4);
508
509 if (msymov & 0x0080)
510 msymov |= 0xFF80;
511
512 msymov += msyres;
513
514 msxdiv = msxgdv[ndisp + 1];
515 msydiv = msygdv[ndisp + 1];
516
517 /* calculate rates */
518
519 if (msxdiv > 1)
520 cxrate = msxmov / msxdiv;
521 else
522 cxrate = msxmov;
523
524 if (msydiv > 1)
525 cyrate = msymov / msydiv;
526 else
527 cyrate = msymov;
528
529 /* calculate residues */
530
531 if (msxdiv > 1)
532 msxres = msxmov % msxdiv;
533 else
534 msxres = 0;
535
536 if (msydiv > 1)
537 msyres = msymov % msydiv;
538 else
539 msyres = 0;
540
541/*
542
543*/
544
545 if ((cxrate EQ 0) AND (cyrate EQ 0)) /* we're done if nothing changed */
546 return;
547
548 msctrl = TRUE; /* setup movement switches */
549 cmfirst = FALSE;
550 trkball = FALSE;
551
552 cvtime = 0; /* clear delays */
553 ncvwait = 0;
554 chtime = 0;
555 nchwait = 0;
556 curhold = 0;
557
558 if (NOT msflag) /* if mouse just started moving ... */
559 (*xy_dn)(); /* ... process key down */
560
561 oldi = setipl(TIM_DI); /* set the mouse movement timer */
562 timers[MSTIMER] = MSTOVAL;
563 setipl(oldi);
564
565 msflag = TRUE; /* indicate the mouse has started moving */
566}
567
568/*
569
570*/
571
572/*
573 =============================================================================
574 MouseIN() -- process a byte from the mouse
575 =============================================================================
576*/
577
578void MouseIN(int16_t c)
579{
580 c &= 0x00FF; /* mask off extraneous bits from mouse input */
581
582#if DEBUGMS
583 if (debugms > 2)
584 printf("IN %d %02.2X\n", M_state, c);
585#endif
586
587 if ((M_state GE 0) AND (M_state < 3)) {
588
589 M_strng[M_state] = c;
590
591 if (M_state EQ 2) {
592
593 MouseEX(M_strng);
594 M_state = 0;
595
596 } else {
597
598 ++M_state;
599 }
600 }
601}
602
603/*
604
605*/
606
607#if DEBUGTF
608/*
609 =============================================================================
610 tfdump() -- dump a trackball FIFO
611 =============================================================================
612*/
613
614tfdump(msg, fifo, ndx, fin, cnt)
615char *msg;
616register short *fifo, ndx, fin;
617long cnt;
618{
619 register short nol = 0, i = fin, j = fin - 1;
620
621 printf("Dump of %s FIFO\n", msg);
622 printf(" ndx=%d fin=%d cnt=%ld\n", ndx, fin, cnt);
623
624 if (j < 0)
625 j = NTKFIFO - 1;
626
627 do {
628
629 if (nol EQ 0)
630 printf(" ");
631
632 if (i EQ ndx)
633 printf("<%2d ", fifo[i]);
634 else if (i EQ j)
635 printf(" %2d> ", fifo[i]);
636 else
637 printf(" %2d ", fifo[i]);
638
639 if (++nol GE 15) {
640
641 printf("\n");
642 nol = 0;
643 }
644
645 if (++i GE NTKFIFO)
646 i = 0;
647
648 } while (i NE fin);
649
650 if (nol)
651 printf("\n");
652
653 printf("\n");
654}
655#endif
656
657/*
658
659*/
660
661/*
662 =============================================================================
663 wheel() -- process inputs from the scroll wheel
664 =============================================================================
665*/
666
667void wheel(void)
668{
669 register int16_t i, oldi;
670
671 if (astat) { /* if it's touched ... */
672
673 if (NOT swflag) {
674
675 /* GOING DOWN */
676
677 swflag = TRUE;
678 swctrl = FALSE;
679 swfiin = 0;
680 swlast = aval;
681 swstop = swwait;
682 swcount = 0;
683
684 for (i = 0; i < NSWFIFO; i++)
685 swfifo[i] = aval;
686/*
687
688*/
689 } else { /* finger moved */
690
691 if (0 EQ swstop) {
692
693 swdelta = swlast - aval;
694
695 if (swdelta GE swthr) {
696
697 if ((clkctl EQ CK_STEP) OR
698 ((clkctl NE CK_STEP) AND
699 (NOT clkrun))) {
700
701 /* FINGER MOVED LEFT */
702
703 swtemp = swdelta / swthr;
704 oldi = setipl(TIM_DI);
705 fc_val += swtemp;
706
707 if (fc_val GE 0x00FFFFFFL)
708 fc_val = 0x00FFFFFFL;
709
710 setipl(oldi);
711 swlast = aval;
712 }
713
714 } else if ((swdelta = abs(swdelta)) GE swthr) {
715
716 if ((clkctl EQ CK_STEP) OR
717 ((clkctl NE CK_STEP) AND
718 (NOT clkrun))) {
719
720 /* FINGER MOVED RIGHT */
721
722 swtemp = swdelta / swthr;
723 oldi = setipl(TIM_DI);
724 fc_val -= swtemp;
725
726 if (fc_val LT 0L)
727 fc_val = 0L;
728
729 setipl(oldi);
730 swlast = aval;
731 }
732 }
733
734 } else {
735
736 swlast = aval;
737 --swstop;
738 }
739 }
740/*
741
742*/
743 } else { /* FINGER UP */
744
745 swlast = aval;
746 swflag = FALSE;
747 swctrl = FALSE;
748
749 if ((clkctl EQ CK_STEP) OR
750 ((clkctl NE CK_STEP) AND
751 (NOT clkrun))) {
752
753 swndx = swfiin - swback;
754
755 if (swndx < 0)
756 swndx += NSWFIFO;
757
758 swrate = swfifo[swndx] - swlast;
759
760 if (swrate > swrmin) {
761
762 swdir = D_FWD; /* SCROLL FORWARD */
763 swrate = swrtab[swrate - swrmin];
764 swctrl = TRUE;
765
766 } else if ((swrate = abs(swrate)) > swrmin) {
767
768 swdir = D_BAK; /* SCROLL BACKWARD */
769 swrate = swrtab[swrate - swrmin];
770 swctrl = TRUE;
771
772 } else {
773
774 swrate = 0L; /* STOP SCROLLING */
775 }
776 }
777 }
778}
779
780/*
781
782*/
783
784/*
785 =============================================================================
786 txyup() -- process trackball -- both axes inactive
787 =============================================================================
788*/
789
790void txyup(void)
791{
792 register int16_t txndx, tyndx, txrate, tyrate;
793
794#if DEBUGTF
795 if (debugtf)
796 printf("txyup(): both inactive\n");
797#endif
798
799 tkboth = FALSE; /* both axes inactive now */
800
801 txdiv = 0; /* reset text cursor dividers */
802 tydiv = 0;
803
804 if ((txndx = txfiin - tkback) < 0) /* get fifo index */
805 txndx += NTKFIFO; /* adjust index */
806
807 txrate = txfifo[txndx] - txlast; /* get movement */
808
809#if DEBUGTF
810 if (debugtf)
811 tfdump("X", txfifo, txndx, txfiin, txficnt);
812#endif
813
814 if (txrate GE tkrmin)
815 cxrate = -cratex[txrate - tkrmin]; /* tracking left */
816 else if ((txrate = abs(txrate)) GE tkrmin)
817 cxrate = cratex[txrate - tkrmin]; /* tracking right */
818 else
819 cxrate = 0; /* X inactive */
820
821/*
822
823*/
824 if ((tyndx = tyfiin - tkback) < 0) /* get fifo index */
825 tyndx += NTKFIFO; /* adjust index */
826
827 tyrate = tyfifo[tyndx] - tylast; /* get movement */
828
829#if DEBUGTF
830 if (debugtf)
831 tfdump("Y", tyfifo, tyndx, tyfiin, tyficnt);
832#endif
833
834 if (tyrate GE tkrmin)
835 cyrate = cratey[tyrate - tkrmin]; /* tracking down */
836 else if ((tyrate = abs(tyrate)) GE tkrmin)
837 cyrate = -cratey[tyrate - tkrmin]; /* tracking up */
838 else
839 cyrate = 0; /* Y inactive */
840
841 if ((cxrate EQ 0) AND (cyrate EQ 0)) {
842
843 tkctrl = FALSE; /* STOP -- both rates are zero */
844 (*xy_up)();
845
846 } else {
847
848 tkctrl = TRUE; /* ROLL -- some rate is non-zero */
849 }
850
851#if DEBUGTK
852 if (debugtk)
853 printf("txyup(): %s rmin=%d txr=%d cxr=%d tyr=%d cyr=%d\n",
854 tkctrl ? "ROLL" : "STOP", tkrmin, txrate, cxrate, tyrate, cyrate);
855#endif
856
857}
858
859/*
860
861*/
862
863/*
864 =============================================================================
865 txydn() -- process trackball -- both axes active
866 =============================================================================
867*/
868
869void txydn(void)
870{
871 register int16_t i;
872
873#if DEBUGTK
874 if (debugtk)
875 printf("txydn(): both active txlast=%d tylast=%d\n",
876 txlast, tylast);
877#endif
878
879 tkboth = TRUE; /* both down now */
880 (*xy_dn)();
881
882 tkctrl = FALSE; /* stop rolling */
883 cxrate = 0;
884 cyrate = 0;
885
886 txfiin = 0; /* preset the FIFOs */
887 tyfiin = 0;
888
889 for (i = 0; i < NTKFIFO; i++) {
890
891 txfifo[i] = txlast;
892 tyfifo[i] = tylast;
893 }
894
895#if DEBUGTF
896 txficnt = 0;
897 tyficnt = 0;
898#endif
899}
900
901/*
902
903*/
904
905/*
906 =============================================================================
907 txstd() -- process inputs from the trackball X axis
908 =============================================================================
909*/
910
911void txstd(void)
912{
913 register int16_t i, oldcx, oldi, txdelta, txcdvr;
914
915 trkball = TRUE; /* set trackball mode */
916 cmfirst = FALSE;
917 chtime = tktime;
918 nchwait = tktime;
919 chwait = tktime;
920
921
922 /* get rate divisor */
923
924 txcdvr = (cmtype EQ CT_GRAF) ? tkthr : tkhdvr;
925
926 if (astat) { /* is axis active ? */
927
928 if (NOT txflag) {
929
930 /* GOING ACTIVE */
931
932 txflag = TRUE;
933 txstop = tkwait;
934 txlast = aval;
935
936 if (tyflag AND (NOT tkboth))
937 txydn(); /* both active now */
938
939/*
940
941*/
942 } else { /* finger moved ? */
943
944 if (txstop LE 0) { /* debounced ? */
945
946 txdelta = txlast - aval;
947 oldcx = cxval;
948
949 if (txdelta GE txcdvr) {
950
951 /* FINGER MOVED LEFT */
952
953 cxrate = -(txdelta / txcdvr);
954
955 (*cx_upd)(); /* update cxval */
956
957 if (oldcx NE cxval) /* new cxval ? */
958 (*curmove)(); /* move cursor */
959
960 txlast = aval;
961 cxrate = 0;
962
963 } else if ((txdelta = abs(txdelta)) GE txcdvr) {
964
965 /* FINGER MOVED RIGHT */
966
967 cxrate = txdelta / txcdvr;
968
969 (*cx_upd)(); /* update cxval */
970
971 if (oldcx NE cxval) /* new cxval ? */
972 (*curmove)(); /* move cursor */
973
974 txlast = aval;
975 cxrate = 0;
976 }
977
978 } else { /* debounce data */
979
980 txlast = aval;
981 --txstop;
982 }
983 }
984/*
985
986*/
987 } else { /* AXIS GOING INACTIVE */
988
989 txlast = aval; /* get current value */
990 txflag = FALSE; /* X axis inactive */
991
992 if (NOT tyflag) /* check other axis */
993 txyup(); /* both inactive now */
994 }
995}
996
997/*
998
999*/
1000
1001/*
1002 =============================================================================
1003 tystd() -- process inputs from the trackball Y axis
1004 =============================================================================
1005*/
1006
1007void tystd(void)
1008{
1009 register int16_t i, oldcy, oldi, tydelta, tycdvr;
1010
1011 trkball = TRUE; /* set trackball mode */
1012 cmfirst = FALSE;
1013 cvtime = tktime;
1014 ncvwait = tktime;
1015 cvwait = tktime;
1016
1017 /* get rate divisor */
1018
1019 tycdvr = (cmtype EQ CT_GRAF) ? tkthr : tkvdvr;
1020
1021 if (astat) { /* if axis active ? */
1022
1023 if (NOT tyflag) {
1024
1025 /* GOING ACTIVE */
1026
1027 tyflag = TRUE;
1028 tystop = tkwait;
1029 tylast = aval;
1030
1031 if (txflag AND (NOT tkboth))
1032 txydn(); /* both active now */
1033/*
1034
1035*/
1036 } else { /* finger moved ? */
1037
1038 if (tystop LE 0) { /* debounced ? */
1039
1040 tydelta = tylast - aval;
1041 oldcy = cyval;
1042
1043 if (tydelta GE tycdvr) {
1044
1045 /* FINGER MOVED DOWN */
1046
1047 cyrate = tydelta / tycdvr;
1048
1049 (*cy_upd)(); /* update cyval */
1050
1051 if (oldcy NE cyval) /* new cyval ? */
1052 (*curmove)(); /* move cursor */
1053
1054 tylast = aval;
1055 cyrate = 0;
1056
1057 } else if ((tydelta = abs(tydelta)) GE tycdvr) {
1058
1059 /* FINGER MOVED UP */
1060
1061 cyrate = -(tydelta / tycdvr);
1062
1063 (*cy_upd)(); /* udpate cyval */
1064
1065 if (oldcy NE cyval) /* new cyval ? */
1066 (*curmove)(); /* move cursor */
1067
1068 tylast = aval;
1069 cyrate = 0;
1070 }
1071
1072 } else { /* debounce data */
1073
1074 tylast = aval;
1075 --tystop;
1076 }
1077 }
1078/*
1079
1080*/
1081 } else { /* AXIS GOING INACTIVE */
1082
1083 tylast = aval; /* get current value */
1084 tyflag = FALSE; /* Y axis inactive */
1085
1086 if (NOT txflag) /* check other axis */
1087 txyup(); /* both inactive now */
1088 }
1089}
1090
1091/*
1092
1093*/
1094
1095/*
1096 =============================================================================
1097 curproc() -- process cursor trackball and scroll wheel updates
1098 =============================================================================
1099*/
1100
1101void curproc(void)
1102{
1103 register int16_t i, cxprev, cyprev;
1104 int16_t oldcx, oldcy;
1105 register uint16_t oldi;
1106
1107 /* SET CURRENT WAIT COUNTS FROM TIMERS */
1108
1109 chwait = timers[TXTIMER];
1110 cvwait = timers[TYTIMER];
1111
1112 if (trkball) { /* are we tracking ? */
1113
1114 if (txflag AND (chwait LE 0)) {
1115
1116 /* SAMPLE THE TRACKBALL X AXIS */
1117
1118 txfifo[txfiin] = sigtab[55][0];
1119
1120#if DEBUGTF
1121 ++txficnt;
1122#endif
1123
1124 if (++txfiin GE NTKFIFO)
1125 txfiin = 0;
1126 }
1127
1128 if (tyflag AND (cvwait LE 0)) {
1129
1130 /* SAMPLE THE TRACKBALL Y AXIS */
1131
1132 tyfifo[tyfiin] = sigtab[56][0];
1133
1134#if DEBUGTF
1135 ++tyficnt;
1136#endif
1137
1138 if (++tyfiin GE NTKFIFO)
1139 tyfiin = 0;
1140 }
1141 }
1142/*
1143
1144*/
1145 /* PROCESS MOUSE INPUTS */
1146
1147 if (BIOS(B_RDAV, PRT_DEV)) {
1148
1149 MouseIN((int16_t)BIOS(B_GETC, PRT_DEV));
1150
1151 MouseRT(MATIME); /* reset mouse activity timer */
1152 }
1153
1154 /* PROCESS THE CURSORS */
1155
1156 if (cvwait LE 0) { /* has the vertical timer run out ? */
1157
1158 if (ss_ptsw) /* see if the patches need scrolled */
1159 smy_up(ss_ptsw); /* scroll the patch display */
1160
1161 if (ss_sqsw) /* see if the sequences need scrolled */
1162 sqy_up(ss_sqsw); /* scroll the sequence display */
1163 }
1164
1165 if (msctrl OR /* is the mouse moving ? */
1166 (cvwait LE 0) OR (chwait LE 0)) { /* has X or Y timer runout ? */
1167
1168 if (msctrl OR tkctrl OR (xkstat AND ykstat)) { /* cursor moving ? */
1169
1170 oldcx = cxrate; /* save old cxrate, cyrate */
1171 oldcy = cyrate;
1172 cxprev = cxval; /* save old cxval, cyval */
1173 cyprev = cyval;
1174 vtprow = vtcrow; /* save old vtrow, vtcol */
1175 vtpcol = vtccol;
1176
1177 if (NOT msctrl) /* if it's not the mouse ... */
1178 cmfix(); /* ... adjust the rates */
1179
1180/*
1181
1182*/
1183 if ((cxrate NE 0) AND (msctrl OR (chwait LE 0))) /* UPDATE X VALUES */
1184 (*cx_upd)();
1185
1186 if ((cyrate NE 0) AND (msctrl OR (cvwait LE 0))) /* UPDATE Y VALUES */
1187 (*cy_upd)();
1188
1189 cxrate = oldcx;
1190 cyrate = oldcy;
1191
1192 /* see if cursor should be moved */
1193
1194 if ( (cxprev NE cxval) OR (cyprev NE cyval) OR
1195 (vtprow NE vtcrow) OR (vtpcol NE vtccol) ) {
1196
1197 (*curmove)(); /* MOVE CURSOR */
1198
1199 if (ebflag) { /* FIXUP EDIT BUFFER */
1200
1201 if ((struct fet *)NULL NE curfet) {
1202
1203 if (infield(stcrow, stccol, curfet)) {
1204
1205 if ((cfetp NE NULL) AND
1206 (cfetp NE infetp)) {
1207
1208 (*cfetp->redisp)(cfetp->ftags);
1209 ebflag = FALSE;
1210 }
1211
1212 } else { /* isn't in a field */
1213
1214 if (cfetp NE NULL)
1215 (*cfetp->redisp)(cfetp->ftags);
1216
1217 ebflag = FALSE;
1218 }
1219
1220 } else { /* no fet, no field */
1221
1222 ebflag = FALSE;
1223 }
1224 }
1225 }
1226 }
1227 }
1228/*
1229
1230*/
1231 /* CHECK THE MOUSE MOTION TIMER */
1232
1233 if (msflag AND (0 EQ timers[MSTIMER])) {
1234
1235 (*xy_up)(); /* indicate key up */
1236
1237 msflag = FALSE; /* indicate mouse stopped */
1238 }
1239
1240 msctrl = FALSE; /* indicate mouse movement processed */
1241
1242
1243 /* CHECK THE MOUSE ACTIVITY TIMER */
1244
1245 if (0 EQ timers[MUTIMER]) {
1246
1247 if (M_state)
1248 if (MouseFL(M_FL_CT))
1249 M_error = M_FLUSH;
1250
1251 M_state = 0;
1252 MouseRT(MATIME);
1253
1254#if DEBUGMS
1255 if (debugms > 1)
1256 printf("MRESET\n");
1257#endif
1258 }
1259
1260/*
1261
1262*/
1263 /* UPDATE THE CURSOR TIMERS */
1264
1265 if (cvwait LE 0) { /* reset vertical timer */
1266
1267 cvwait = ncvwait;
1268 ncvwait = cvtime;
1269
1270 oldi = setipl(TIM_DI);
1271 timers[TYTIMER] = cvwait;
1272 setipl(oldi);
1273 }
1274
1275
1276 if (chwait LE 0) { /* reset horizontal timer */
1277
1278 chwait = nchwait;
1279 nchwait = chtime;
1280
1281 oldi = setipl(TIM_DI);
1282 timers[TXTIMER] = chwait;
1283 setipl(oldi);
1284 }
1285/*
1286
1287*/
1288 /* PROCESS THE SCROLL WHEEL */
1289
1290 if (0 EQ timers[SWTIMER]) { /* is it time ? */
1291
1292 if (swflag) { /* SAMPLE THE SCROLL WHEEL */
1293
1294 swfifo[swfiin] = sigtab[59][0];
1295
1296 if (++swfiin GE NSWFIFO)
1297 swfiin = 0;
1298 }
1299
1300 if (swctrl) { /* SCROLL ... */
1301
1302 swtemp = swcount + swrate;
1303 swcount = swtemp & 0x0000FFFFL;
1304 swtemp >>= 16;
1305
1306 if (swdir EQ D_FWD) { /* ... FORWARD */
1307
1308 oldi = setipl(TIM_DI);
1309 fc_val += swtemp;
1310
1311 if (fc_val GE 0x00FFFFFFL) {
1312
1313 swctrl = FALSE;
1314 fc_val = 0x00FFFFFFL;
1315 }
1316
1317 setipl(oldi);
1318
1319 } else { /* ... BACKWARD */
1320
1321 oldi = setipl(TIM_DI);
1322 fc_val -= swtemp;
1323
1324 if (fc_val < 0) {
1325
1326 swctrl = FALSE;
1327 fc_val = 0L;
1328 }
1329
1330 setipl(oldi);
1331 }
1332 }
1333/*
1334
1335*/
1336 if (swflag OR swctrl) { /* RESET THE SCROLL TIMER */
1337
1338 oldi = setipl(TIM_DI);
1339 timers[SWTIMER] = swtime;
1340 setipl(oldi);
1341 }
1342 }
1343}
1344
1345/*
1346
1347*/
1348
1349/*
1350 =============================================================================
1351 tkinit() -- initialize trackball variables
1352 =============================================================================
1353*/
1354
1355void tkinit(void)
1356{
1357 trkball = FALSE; /* stop the trackball */
1358 txflag = FALSE; /* ... */
1359 tyflag = FALSE; /* ... */
1360 tkctrl = FALSE; /* ... */
1361 tkboth = FALSE; /* ... */
1362
1363 memsetw(txfifo, 0, NTKFIFO); /* clear trackball X fifo */
1364 txfiin = 0; /* ... */
1365
1366 memsetw(tyfifo, 0, NTKFIFO); /* clear trackball Y fifo */
1367 tyfiin = 0; /* ... */
1368}
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