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source: buchla-68k/ram/im700.c@ abd4109

Last change on this file since abd4109 was f40a309, checked in by Thomas Lopatic <thomas@…>, 7 years ago
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1	/*
2	=============================================================================
3	im700.c -- variable definitions and initialization for MIDAS-VII
4	Version 102 -- 1989-11-16 -- D.N. Lynx Crowe
5	=============================================================================
6	*/
7
8	#define DEBUGVAL 0 /* initial value for debugsw */
9
10	#define FET_DEFS 1 /* so fields.h gets things right */
11	#define M7CAT 1 /* so libdsp.h gets it right */
12
13	#include "stddefs.h"
14	#include "biosdefs.h"
15	#include "cmeta.h"
16	#include "curpak.h"
17	#include "fields.h"
18	#include "fpu.h"
19	#include "glcfns.h"
20	#include "glcdefs.h"
21	#include "graphdef.h"
22	#include "hwdefs.h"
23	#include "macros.h"
24	#include "memory.h"
25	#include "objdefs.h"
26	#include "panel.h"
27	#include "sclock.h"
28	#include "scwheel.h"
29	#include "slice.h"
30	#include "smdefs.h"
31	#include "timers.h"
32	#include "vsdd.h"
33	#include "vsddsw.h"
34	#include "vsddvars.h"
35
36	#include "midas.h"
37
38	#include "asgdsp.h"
39	#include "instdsp.h"
40	#include "libdsp.h"
41	#include "score.h"
42	#include "scdsp.h"
43	#include "scfns.h"
44	#include "wsdsp.h"
45
46	extern unsigned tofpu();
47
48	extern short nokey(), stdmkey(), cxkstd(), cykstd(), cxgen(), cygen();
49	extern short cmvgen(), stdctp2();
50
51	extern short blakpal[16][3];
52
53	extern PFS t_prmtr[];
54
55	extern char *funcndx[256][2];
56
57	extern char keystat[24];
58	extern char ldcmnt[38];
59	extern char ldfile[9];
60	extern char loadedc[NLTYPES][37];
61	extern char loadedf[NLTYPES][8];
62	extern char masens[3];
63	extern char mctlval[NCTRLS];
64	extern char mdbyte[3];
65	extern char mpsust[48];
66	extern char mrstat[3];
67	extern char trgtab[NTRIGS];
68
69	extern short fnoff[];
70
71	extern short articen[12]; /* voice articulation enable status */
72	extern short grpmode[12]; /* group mode - 0 = play, 1 = stdby, 2 = rec */
73	extern short grpsel[12]; /* group select status for instrument selection */
74	extern short grpstat[12]; /* group status - 0 = off, non-0 = on */
75	extern short gtctab[12]; /* group to color table */
76	extern short lastvce[12]; /* last voice assigned in each group */
77	extern short lastvel[12]; /* last velocity sent to group */
78	extern short mpbend[48]; /* MIDI pitch bend data, by port and channel */
79	extern short msmstv[3]; /* MIDI state machine state variables */
80	extern short prstab[NTRIGS]; /* pressure */
81	extern short vce2trg[12]; /* voice to trigger map (-1 EQ NULL) */
82	extern short veltab[NTRIGS]; /* velocity */
83
84	/*
85
86	*/
87
88	extern PFS (oldsw)[]; / saved swpt value */
89	extern PFS (swpt)[]; / switch dispatch table pointer */
90
91	extern short (curmove)(); / cursor move function */
92	extern short (curtype)(); / cursor type function */
93	extern short (cx_key)(); / x rate calculation */
94	extern short (cx_upd)(); / x update */
95	extern short (cy_key)(); / y rate calculation */
96	extern short (cy_upd)(); / y update */
97	extern short (d_key)(); / in-field data key processor */
98	extern short (e_key)(); / E key processor */
99	extern short (m_key)(); / M key processor */
100	extern short (not_fld)(); / not-in-field data key processor */
101	extern short (premove)(); / cursor pre-move function */
102	extern short (pstmove)(); / cursor post-move function */
103	extern short (x_key)(); / X key processor */
104	extern short (xy_dn)(); / cursor - finger on (down) */
105	extern short (xy_up)(); / cursor - finger off (up) */
106
107	extern short cratex; / cursor x rate table pointer */
108	extern short cratey; / cursor x rate table pointer */
109
110	short admctl; /* assignment display submenu control variable */
111	short adnamsw; /* assignment display virtual typewriter flag */
112	short aflag; /* analog activity flag */
113	short aform; /* action buffer format */
114	short amplval; /* amplitude */
115	short ancmsw; /* analog variable r/p control source */
116	short angroup; /* analog variable group being shown */
117	short asgfks; /* first key selected */
118	short asghit; /* row hit / assignment in progress */
119	short asgmod; /* assignment number or table modified */
120	short asig; /* analog signal number */
121	short asmode; /* panel assignment mode */
122	short astat; /* analog signal status */
123	short auxctl; /* aux control flag */
124	short aval; /* analog signal value */
125	short bform; /* oscillator data buffer format */
126	short catin; /* catalog read in flag */
127	short cents; /* pitch to cents conversion buffer */
128	short chtime; /* horizontal cursor counter */
129	short chwait; /* horizontal cursor wait time */
130	short cflag; /* accidental flag */
131	short clkctl; /* clock control */
132	short clkrun; /* clock status */
133	short clksrc; /* clock source */
134	short cmfirst; /* first cursor motion switch */
135	short cmtype; /* cursor motion type */
136	short cnote; /* note value at cursor */
137	short ctrsw; /* scupd center update switch */
138	short curasg; /* current assignment table */
139	short curfunc; /* current function number */
140	short curgrp; /* current group */
141	short curinst; /* current instrument number */
142	short curmop; /* current MIDI output port */
143	short curpnt; /* current point number (absolute) */
144	short curpos; /* cursor pad position for current axis */
145	short cursbox; /* currently selected box */
146	short curscor; /* Current score number */
147	short cursect; /* current section */
148	short curslim; /* cursor type change point */
149	short curtun; /* current tuning table */
150	short curvce; /* current voice number */
151	short curwave; /* current waveshape library slot */
152	short curwdth; /* current waveshape cursor width */
153	short curwfnl; /* current waveshape final value */
154	short curwhrm; /* current waveshape harmonic number */
155	short curwhrv; /* current waveshape harmonic value */
156	short curwoff; /* current waveshape offset value */
157	short curwpnt; /* current waveshape point number */
158	short curwslt; /* current waveshape instrument slot */
159	short cvtime; /* vertical cursor counter */
160	short cvwait; /* veritcal cursor wait time */
161	short cxrate; /* cursor x rate */
162	short cxval; /* graphic cursor x value */
163	short cyrate; /* cursor y rate */
164	short cyval; /* graphic cursor y value */
165	short debugne; /* debug flag for note entry */
166	short defect; /* defect code */
167	short dferror; /* error code from BIOS or XBIOS */
168	short dfsides; /* number of sides */
169	short dftype; /* disk type code */
170	short dsp_ok; /* display update OK this cycle flag */
171	short dubsw; /* overdub / replace switch */
172	short ebflag; /* edit buffer data flag */
173	short editss; /* edit panel switch state */
174	short editsw; /* edit mode switch */
175	short endflg; /* !end flag */
176	short ext_cv1; /* CV-1 value */
177	short ext_cv2; /* CV-2 value */
178	short ext_cv3; /* CV-3 value */
179	short ext_cv4; /* CV-4 value */
180	short ext_mod; /* Aux Signal Mod value */
181	short gomode; /* go to mode */
182	short grptran; /* group translation value */
183	short gtmsel; /* group transpose/map select */
184	short hitbox; /* box we just hit */
185	short hitcx; /* x of cursor when we hit the box */
186	short hitcy; /* y of cursor when we hit the box */
187	short idcfsw; /* copy / fetch menu switch */
188	short idimsw; /* instrument display instrument menu switch */
189	short idintmp; /* temporary for instrument number */
190	short idnamsw; /* typewriter switch */
191	short idsrcsw; /* source menu switch */
192	short idtdat; /* current instrument vtyper data entry string */
193	short imflag; /* instrument modified flag */
194	short initcfg; /* initial configuration */
195	short insmode; /* score insert mode */
196	short ismode; /* instrument select mode */
197	short lampio; /* LCD timeout disable switch state at I/O time */
198	short lampsw; /* LCD timeout disable switch */
199	short lasgsw; /* assignments store switch */
200	short lastam; /* last assignment menu base */
201	short ldelsw; /* delete switch */
202	short lderrsw; /* error message displayed switch */
203	short ldidsiz; /* getcat() did showsiz() switch */
204	short ldkind; /* fetch file type */
205	short ldpass; /* librarian load state variable */
206	short ldrow; /* fetch select row */
207	short ldslot; /* fetch select slot */
208	short legato; /* execkey() "legato" mode switch */
209	short lksel; /* librarian key slot selector */
210	short lmwtype; /* librarian message window type */
211	short loadrow; /* librarian row selected for load letter */
212	short loadsw; /* panel "Load" mode state */
213	short lorchl; /* load hi (TRUE) / lo (FALSE) orchestra */
214	short lorchsw; /* hi orchestra (21 - 40) store switch */
215	short lorclsw; /* lo orchestra (01 - 20) store switch */
216	short lpatsw; /* patch table store switch */
217	short lrasw; /* append (TRUE) / replace (FALSE) score */
218	short lscrsw; /* score store switch */
219	short lselsw; /* fetch select switch */
220	short lseqsw; /* sequence table store switch */
221	short lstbgnc; /* last note begin entry table index */
222	short lstendc; /* last note end entry table index */
223	short lstflag; /* last note list end switch */
224	short lstrsw; /* store state switch */
225	short lstwoff; /* last waveshape offset value */
226	short lstwpnt; /* last waveshape point number */
227	short ltagged; /* load tag switch */
228	short ltunsw; /* tunings store switch */
229	short lwavsw; /* waveshapes store switch */
230	short mascntr; /* MIDI active sensing timeout counter */
231	short mdb1; /* current MIDI data byte 1 */
232	short mdb2; /* current MIDI data byte 2 */
233	short michan; /* current MIDI channel */
234	short midiclk; /* MIDI clock switch */
235	short midigo; /* MIDI run switch */
236	short mistat; /* current MIDI status */
237	short nchwait; /* next chwait value */
238	short ncvwait; /* next cvwait value */
239	short ndisp; /* current display number */
240	short newflag; /* new data entered while t_cur EQ t_ctr */
241	short nkdown; /* number of keys down */
242	short notenum; /* note number */
243	short noteop; /* pending note operation code */
244	short notepit; /* note pitch */
245	short notesel; /* note selection state */
246	short npts; /* number of points in function */
247	short nxtflag; /* next score flag */
248	short oldltag; /* previous load tag for tagslot */
249	short oldpk; /* previous pkctrl state */
250	short oldsl; /* previous sliders state */
251	short pchsw; /* punch-in enable switch */
252	short pecase; /* point edit case variable */
253	short pkctrl; /* local performance key state */
254	short pntsv; /* point selection state variable */
255	short prgchan; /* MIDI program change channel (port 1) */
256	short ps_dpth; /* phase shifter -- depth */
257	short ps_intn; /* phase shifter -- intensity */
258	short ps_rate; /* phase shifter -- rate */
259	short pulsclk; /* pulse clock state */
260	short recsw; /* record / play switch */
261	short runit; /* run switch for main scan loop */
262	short sbase; /* score VSDD RAM scroll offset */
263	short scmctl; /* score submenu control flag */
264	short scrlpot; /* scroll pot state */
265	short sd; /* score display direction */
266	short se; /* score execution direction */
267	short sdmcol; /* score menu - saved stccol */
268	short sdmctl; /* score menu - control variable */
269	short sdmrow; /* score menu - saved stcrow */
270	short secop; /* pending score section operation */
271	short secopok; /* section operation OK flag */
272	short sgcsw; /* graphic cursor display switch */
273	short sgoflag; /* section number relative column 0..3 */
274	short sharp; /* sharp flag */
275	short sliders; /* slider and switch state */
276	short soffset; /* score scroll offset */
277	short ss_ptsw; /* smooth scroll patch scroll switch */
278	short ss_sqsw; /* smooth scroll sequence scroll switch */
279	short stccol; /* score cursor col */
280	short stcrow; /* score cursor row */
281	short stepclk; /* note entry - step clock state */
282	short stepenb; /* note entry - step enable flag */
283	short stepint; /* note entry - note interval */
284	short stepwgt; /* note entry - note weight */
285	short subj; /* edited point number (relative) */
286	short submenu; /* submenu active switch */
287	short swctrl; /* scroll wheel 'srolling' flag */
288	short swdelta; /* scroll wheel change while touched */
289	short swdir; /* scroll wheel direction */
290	short swfiin; /* scroll wheel fifo input pointer */
291	short swflag; /* scroll wheel touched flag */
292	short swlast; /* scroll wheel last value */
293	short swstop; /* scroll wheel stop flag */
294	short swndx; /* scroll wheel look back index */
295	short tagslot; /* tagged load slot */
296	short tdnamsw; /* tuning editor displaying typewriter */
297	short temax; /* time upper limit */
298	short temin; /* time lower limit */
299	short testing; /* test level */
300	short tglclk; /* clock on/off toggle flag */
301	short tglpch; /* punch in/out toggle flag */
302	short thescore; /* score selected from sqscan */
303	short timemlt; /* time scaling */
304	short tkctrl; /* trackball active flag */
305	short tmpomlt; /* tempo multiplier */
306	short tmpoval; /* tempo value */
307	short trkball; /* trackball selected switch */
308	short ttcmdsv; /* tuning editor edit state variable */
309	short ttsel1; /* tuning editor key select variable 1 */
310	short ttsel2; /* tuning editor key select variable 2 */
311	short ttsel3; /* tuning editor key select variable 3 */
312	short tuneval; /* fine tuning */
313	short tunmod; /* tuning table modified */
314	short tunval; /* tuning editor increment / transpose value */
315	short txfiin; /* trackball x fifo input pointer */
316	short txflag; /* trackball x axis active flag */
317	short txlast; /* trackball x axis last value */
318	short txstop; /* trackball x axis filter counter */
319	short tyfiin; /* trackball y fifo input pointer */
320	short tyflag; /* trackball y axis active flag */
321	short tylast; /* trackball y axis last value */
322	short tystop; /* trackball y axis filter counter */
323	short velflag; /* velocity display flag */
324	short verbose; /* verbose output switch */
325	short vlbtype; /* type of message window display */
326	short vrbw08; /* score display video reset detail word */
327	short vrbw09; /* score display video reset detail word */
328	short vrbw10; /* score display video reset detail word */
329	short vrbw11; /* score display video reset detail word */
330	short vrbw12; /* score display video reset detail word */
331	short vrbw13; /* score display video reset detail word */
332	short vrbw14; /* score display video reset detail word */
333	short vrbw15; /* score display video reset detail word */
334	short vrcw; /* score display video reset control word */
335	short vtccol; /* virtual typewriter cursor column */
336	short vtcrow; /* virtual typewriter cursor row */
337	short vtdechr; /* virtual typewriter data entry character */
338	short vtdecol; /* virtual typewriter data entry column */
339	short vtpcol; /* virtual typewriter column */
340	short vtprow; /* virtual typewriter row */
341	short vtwcol; /* virtual typewriter window left column */
342	short vtwrow; /* virtual typewriter window top row */
343	short vtxval; /* virtual typewriter cursor x value */
344	short vtyval; /* virtual typewriter cursor y value */
345	short wcflag; /* ws/cf menu select flag (cf=0, ws=1) */
346	short wcmcol; /* ws/cf menu label column */
347	short wcmrow; /* ws/cf menu label row */
348	short wcpage; /* ws/cf menu page */
349	short wdupdfl; /* waveshape display needs updated flag */
350	short wmcsel; /* ws menu ws a/b select */
351	short wmctag; /* ws/cf display update flag */
352	short wplast; /* last point for interpolate operation */
353	short wpntsv; /* waveshape point selection state variable */
354	short wshmax; /* waveshape maximum value */
355	short wvlast; /* last value for interpolate operation */
356	short xkcount; /* cursor x key on count */
357	short xkstat; /* cursor x key status */
358	short xycntr; /* xy center for cursor pad */
359	short ykcount; /* cursor y key on count */
360	short ykstat; /* cursor y key status */
361
362	short anrs[8][16]; /* analog variable resolution */
363	short grp2prt[12][2]; /* group to port and channel table */
364	short sctctab[10][64]; /* score background color table */
365	short sigtab[128][2]; /* signals: [0] = value, [1] = switch */
366	short tunlib[NTUNS][128]; /* tuning table library */
367	short varmode[8][16]; /* analog variable record mode */
368	short wsnmod[12][2]; /* waveshape number / data modified */
369
370	struct EXFILE mphead; /* MIDAS-VII program header */
371	struct fet cfetp; / current fet entry pointer */
372	struct fet curfet; / current fet table pointer */
373	struct fet infetp; / in-field fet pointer */
374	struct gdsel gdfsep; / gdsel freechain pointer */
375	struct instpnt pntptr; / pointer to edited point */
376	struct mlibhdr ldhead; /* library header */
377	struct nevent nefree; / pointer to free note entries */
378	struct nevent nelist; / pointer to note entry list */
379	struct octent adoct; / assignment display object control pointer */
380	struct octent ldoct; / librarian object control table pointer */
381	struct octent mdoct; / menu display object control table pointer */
382	struct octent tdoct; / tuning display object control table pointer */
383	struct octent wdoct; / object control table pointer */
384	struct octent idoct; / instrument display octent pointer */
385	struct pflent pflist; / pendant function list header */
386	struct pflent pfqhdr; / pendant function list entry freechain header */
387	struct s_entry libsp; / librarian score pointer */
388	struct s_entry peg; / insert mode 'peg' to hang the tail on */
389	struct s_entry size1; / score E_SIZE1 entry free list pointer */
390	struct s_entry size2; / score E_SIZE2 entry free list pointer */
391	struct s_entry size3; / score E_SIZE3 entry free list pointer */
392	struct selbox csbp; / current select box table pointer */
393	struct selbox curboxp; / current select box pointer */
394	struct s_entry p_bak; / pointer to entry at left edge of display */
395	struct s_entry p_cbgn; / pointer to start of copy */
396	struct s_entry p_cend; / pointer to end of copy */
397	struct s_entry p_cur; / pointer to entry at current execution time */
398	struct s_entry p_ctr; / pointer to entry at center of display */
399	struct s_entry p_fwd; / pointer to entry at right edge of display */
400	struct n_entry p_nbeg; / pointer to note begin */
401	struct n_entry p_nend; / pointer to note end */
402	struct s_entry p_sbgn; / pointer to start of section */
403	struct s_entry p_sec1; / pointer to start of 1st section */
404	struct s_entry p_sec2; / pointer to start of 2nd section */
405	struct s_entry p_send; / pointer to end of section */
406	struct s_entry scp; / current score pointer */
407
408	struct asgent asgtab[NASGS]; /* assignment table library */
409	struct fcat filecat[FCMAX]; /* file catalog */
410	struct gdsel gdstbc[NGDSEL]; / center group & event status lists */
411	struct gdsel gdstbn[NGDSEL]; / right group & event status lists */
412	struct gdsel gdstbp[NGDSEL]; / left group & event status lists */
413	struct gdsel gdfsl[MAXFSL]; /* gdsel pool */
414	struct instdef idefs[NINST]; /* current instrument definitions */
415	struct n_entry lstbgns[NLSTENTS]; / last note begin entry table */
416	struct n_entry lstends[NLSTENTS]; / last note end entry table */
417	struct instdef vbufs[12]; /* voice instrument buffers */
418	struct nevent nevents[NNEVTS]; /* note event list */
419	struct pflent pfents[NPFENTS]; /* pendant function list entry pool */
420	struct scndx sindex[N_SCORES]; /* score file table of contents */
421	struct sment vpsms[192]; / voice parameter general S/M pointer table */
422	struct sment sments[192]; /* source multiplier assignment table */
423	struct valent valents[NGPSRS]; /* source value table */
424	struct wstbl wslib[NUMWAVS]; /* waveshape library */
425	struct s_entry scores[N_SCORES]; / Score pointer table */
426
427	struct s_time stimes[N_SCORES][N_SECTS]; /* score section SMPTE times */
428	struct s_entry hplist[N_SCORES][N_TYPES]; / Score change list pointers */
429	struct s_entry seclist[N_SCORES][N_SECTS]; / Section pointer table */
430
431	unsigned asgob; / assignment display object pointer */
432	unsigned consl; / constant slice pointer */
433	unsigned cursl; / current (center) slice pointer */
434	unsigned instob; / instrument object pointer */
435	unsigned librob; / librarian display object pointer */
436	unsigned menuob; / menu display object pointer */
437	unsigned nxtsl; / next (right edge) slice pointer */
438	unsigned obj0; / object 0 VSDD RAM pointer */
439	unsigned obj1; / object 1 VSDD RAM pointer */
440	unsigned obj2; / object 2 VSDD RAM pointer */
441	unsigned obj3; / object 3 VSDD RAM pointer */
442	unsigned obj4; / object 4 VSDD RAM pointer */
443	unsigned obj5; / object 5 VSDD RAM pointer */
444	unsigned obj6; / object 6 VSDD RAM pointer */
445	unsigned obj7; / object 7 VSDD RAM pointer */
446	unsigned obj8; / object 8 VSDD RAM pointer */
447	unsigned obj9; / object 9 VSDD RAM pointer */
448	unsigned obj10; / object 10 VSDD RAM pointer */
449	unsigned obj11; / object 11 VSDD RAM pointer */
450	unsigned obj12; / object 12 VSDD RAM pointer */
451	unsigned obj13; / object 13 VSDD RAM pointer */
452	unsigned obj14; / object 14 VSDD RAM pointer */
453	unsigned obj15; / object 15 VSDD RAM pointer */
454	unsigned prvsl; / previous (left edge) slice pointer */
455	unsigned saddr; / score VSDD RAM base pointer */
456	unsigned tunob; / tuning table display object pointer */
457	unsigned vtobj; / virtual typewriter display object pointer */
458	unsigned waveob; / waveshape display object pointer */
459
460	unsigned curintp; /* current interpolate time (FPU format) */
461	unsigned scrl; /* score VSDD object scroll register image */
462	unsigned vtbgval; /* virtual typewriter data background color */
463	unsigned vtfgval; /* virtual typewriter data foreground color */
464
465	unsigned dfbuf[4096]; /* track formatting buffer */
466	unsigned slices[896]; /* score display slices */
467
468	/*
469
470	*/
471
472	/* initialized variables */
473
474	short debugsw = DEBUGVAL; /* debug output switch */
475
476	short swback = SWBACK; /* scroll wheel look back count */
477	short swthr = SWTHR; /* scroll wheel movement threshold */
478	short swtime = SWTIME; /* scroll wheel timer scan time */
479	short swwait = SWWAIT; /* scroll wheel wait count */
480
481	short tkback = TKBACK; /* trackball FIFO look back count */
482	short tkrmin = TKRMIN; /* trackball rate threshold */
483	short tkthr = TKTHR; /* trackball movement threshold */
484	short tktime = TKTIME; /* trackball timer scan time */
485	short tkwait = TKWAIT; /* trackball wait count */
486
487	short curhold = CURHOLD; /* cursor hold time */
488	short hcwval = HCWVAL; /* graphics cursor X wait time */
489	short thcwval = THCWVAL; /* text cursor H wait time */
490	short tvcwval = TVCWVAL; /* text cursor V wait time */
491	short vcwval = VCWVAL; /* graphics cursor Y wait time */
492
493	/*
494
495	*/
496
497	short tmultab[] = { /* time multiplier table - indexed by voltage */
498
499	0xFFFF, 0xFAFA, 0xF627, 0xF182, 0xED09, /* 0 */
500	0xE8BA, 0xE492, 0xE08F, 0xDCB0, 0xD8F2, /* 5 */
501	0xD555, 0xD1D6, 0xCE73, 0xCB2C, 0xC800, /* 10 */
502	0xC4EC, 0xC1F0, 0xBF0B, 0xBC3C, 0xB981, /* 15 */
503	0xB6DB, 0xB448, 0xB1C7, 0xAF57, 0xACF9, /* 20 */
504	0xAAAA, 0xA86B, 0xA63B, 0xA41A, 0xA206, /* 25 */
505	0xA000, 0x9E06, 0x9C18, 0x9A37, 0x9861, /* 30 */
506	0x9696, 0x94D6, 0x9320, 0x9174, 0x8FD1, /* 35 */
507	0x8E38, 0x8CA8, 0x8B21, 0x89A2, 0x882B, /* 40 */
508	0x86BC, 0x8555, 0x83F5, 0x829C, 0x814A, /* 45 */
509	0x8000, 0x7EBB, 0x7D7D, 0x7C45, 0x7B13, /* 50 */
510	0x79E7, 0x78C1, 0x77A0, 0x7684, 0x756E, /* 55 */
511	0x745D, 0x7350, 0x7249, 0x7146, 0x7047, /* 60 */
512	0x6F4D, 0x6E58, 0x6D66, 0x6C79, 0x6B90, /* 65 */
513	0x6AAA, 0x69C8, 0x68EB, 0x6810, 0x6739, /* 70 */
514	0x6666, 0x6596, 0x64C9, 0x6400, 0x6339, /* 75 */
515	0x6276, 0x61B5, 0x60F8, 0x603D, 0x5F85, /* 80 */
516	0x5ED0, 0x5E1E, 0x5D6E, 0x5CC0, 0x5C16, /* 85 */
517	0x5B6D, 0x5AC7, 0x5A24, 0x5982, 0x58E3, /* 90 */
518	0x5846, 0x57AB, 0x5713, 0x567C, 0x55E7, /* 95 */
519	0x5555 /* 100 */
520	};
521
522	/*
523
524	*/
525
526	short crate0[] = { /* cursor rate table 1 */
527
528	0, 0, 0, 0, 0, 0, 0, 0, /* 0..7 */
529	0, 0, 0, 0, 1, 1, 1, 1, /* 8..15 */
530	1, 1, 1, 1, 1, 1, 1, 1, /* 16..23 */
531	1, 1, 1, 1, 1, 1, 1, 1, /* 24..31 */
532	1, 1, 1, 1, 1, 1, 1, 1, /* 32..39 */
533	1, 1, 1, 1, 1, 1, 1, 1, /* 40..47 */
534	1, 1, 1, 1, 1, 1, 1, 1, /* 48..55 */
535	1, 1, 1, 1, 1, 1, 1, 1 /* 56..63 */
536	};
537
538	short crate1[] = { /* cursor rate table 1 */
539
540	0, 0, 0, 0, 0, 0, 0, 0, /* 0..7 */
541	1, 1, 1, 1, 1, 1, 1, 1, /* 8..15 */
542	3, 3, 3, 3, 3, 3, 3, 3, /* 16..23 */
543	5, 5, 5, 5, 5, 5, 5, 5, /* 24..31 */
544	7, 7, 7, 7, 7, 7, 7, 7, /* 32..39 */
545	9, 9, 9, 9, 9, 9, 9, 9, /* 40..47 */
546	11, 11, 11, 11, 11, 11, 11, 11, /* 48..55 */
547	13, 13, 13, 13, 13, 13, 13, 13 /* 56..63 */
548	};
549
550	short crate2[] = { /* cursor rate table 2 */
551
552	0, 0, 0, 0, 0, 0, 0, 0, /* 0..7 */
553	1, 1, 1, 1, 1, 1, 1, 1, /* 8..15 */
554	2, 2, 2, 2, 2, 2, 2, 2, /* 16..23 */
555	4, 4, 4, 4, 8, 8, 8, 8, /* 24..31 */
556	16, 16, 16, 16, 32, 32, 32, 32, /* 32..39 */
557	64, 64, 64, 64,128,128,128,128, /* 40..47 */
558	96, 96, 96, 96,256,256,256,256, /* 48..55 */
559	256,256,256,256,256,256,256,256 /* 56..63 */
560	};
561
562	/*
563
564	*/
565
566	short loctab[9] = {
567
568	0, /* 0 - left */
569
570	125 << 5, /* 1 */
571	250 << 5, /* 2 */
572	375 << 5, /* 3 */
573
574	500 << 5, /* 4 - center */
575
576	625 << 5, /* 5 */
577	750 << 5, /* 6 */
578	875 << 5, /* 7 */
579
580	1000 << 5 /* 8 - right */
581	};
582
583	/*
584
585	*/
586
587	/*
588	=============================================================================
589	valof() -- return initial value of a source
590	=============================================================================
591	*/
592
593	short
594	valof(srcv)
595	short srcv;
596	{
597	switch (srcv) {
598
599	case SM_NONE: /* -none- */
600	return(0);
601
602	case SM_RAND: /* Random */
603	return(xgetran(0));
604
605	case SM_CTL1: /* Ctl V1 */
606	return(SM_SCALE(sigtab[79][0]));
607
608	case SM_PTCH: /* Pitch */
609	case SM_KPRS: /* Key Prs */
610	case SM_KVEL: /* Key Vel */
611	return(0);
612
613	case SM_PED1: /* Pedal 1 */
614	return(SM_SCALE(sigtab[77][0]));
615
616	case SM_HTPW: /* Hor Tab / Pch Whl */
617	return(0);
618
619	case SM_VTMW: /* Vrt Tab / Mod Whl */
620	return(SM_SCALE(sigtab[54][0]));
621
622	case SM_LPBR: /* LongPot / Breath */
623	return(SM_SCALE(sigtab[57][0]));
624
625	default:
626	return(0);
627	}
628	}
629
630	/*
631
632	*/
633
634	/*
635	=============================================================================
636	inismtb() -- initialize source / multiplier data structures
637	=============================================================================
638	*/
639
640	inismtb()
641	{
642	register short i, oldi;
643
644	oldi = setipl(FPU_DI);
645
646	/* ++++++++++++++++++++++++++++ FPU interrupts disabled +++++++++++++++++++++ */
647
648	for (i = 0; i < NGPSRS; i++) {
649
650	valents[i].nxt = &valents[i];
651	valents[i].prv = &valents[i];
652	valents[i].val = valof(i & 0x000F);
653	}
654
655	for (i = 0; i < 192; i++) {
656
657	vpsms[i] = &sments[i];
658
659	sments[i].prv = (struct sment *)&valents[0];
660	sments[i].nxt = valents[0].nxt;
661
662	valents[0].nxt->prv = &sments[i];
663	valents[0].nxt = &sments[i];
664
665	sments[i].vp = i;
666	sments[i].sm = 0;
667	}
668
669	setipl(oldi);
670
671	/* ++++++++++++++++++++++++++++ Interrupts restored +++++++++++++++++++++++++ */
672
673	}
674
675	/*
676
677	*/
678
679	/*
680	=============================================================================
681	clrpfl() -- clear pendant function list
682	=============================================================================
683	*/
684
685	clrpfl()
686	{
687	register short i;
688
689	memsetw(&pfents[0], 0, (NPFENTS * sizeof (struct pflent))/2);
690
691	for (i = 0; i < NPFENTS-1; i++)
692	pfents[i].nextpf = &pfents[i+1];
693
694	pfqhdr = &pfents[0];
695	pflist = (struct pflent *)NULL;
696	}
697
698	/*
699
700	*/
701
702	/*
703	=============================================================================
704	im700() -- initialize MIDAS 700
705	=============================================================================
706	*/
707
708	im700()
709	{
710	register short i, j, k;
711	register char *ioadr;
712	register struct instdef *ip;
713
714	debugsw = DEBUGVAL; /* initialize debug switch */
715
716	GLCinit(); /* initialize the GLC */
717	GLCcurs(G_ON);
718	GLCtext(2, 1, "MIDAS 7 -- Initialization in progress -- Please stand by");
719	GLCcurs(G_OFF);
720
721	vsndpal(blakpal); /* setup the blackout palette */
722
723	VHinit(); /* clear the video hardware */
724	VSinit(); /* ... and the video software */
725
726	memset(keystat, 0, 24); /* clear front panel key status */
727	memset(trgtab, 0, NTRIGS); /* clear trigger status table */
728	memset(mctlval, 0, NCTRLS); /* clear MIDI controller values */
729
730	memsetw(grpmode, 0, 12); /* set all groups to PLAY */
731	memsetw(grpstat, GS_ENBL, 12); /* enable all groups for param. artic. */
732	memsetw(grpsel, TRUE, 12); /* enable all groups for instr. sel. */
733	memsetw(sigtab, 0, ((sizeof sigtab) / (sizeof sigtab[0][0])));
734
735	memsetw(veltab, SM_SCALE(64), NTRIGS); /* clear velocity table */
736	memsetw(lastvel, SM_SCALE(64), 12); /* clear last velocity table */
737	memsetw(prstab, 0, NTRIGS); /* clear pressure table */
738
739	curintp = tofpu(100); /* set default interpolate time */
740
741	angroup = -1; /* analog values: group 1, not shown */
742	ancmsw = FALSE; /* analog variable mode from grpmode */
743	velflag = FALSE; /* velocity not displayed */
744
745	dubsw = TRUE; /* set overdub mode */
746
747	sd = D_FWD; /* set display direction */
748	se = D_FWD; /* set execution direction */
749
750	swinit(); /* reset the scroll wheel variables */
751
752	inismtb(); /* clear the S/M data structures */
753	clrnl(); /* clear note entry lists */
754	clrpfl(); /* clear pendant function list */
755
756	lstbgnc = 0; /* reset last note begin count */
757	lstendc = 0; /* reset last note end count */
758	lstflag = TRUE; /* set end of note entry list flag */
759
760	memsetw(lstbgns, 0, (NLSTENTS << 1)); /* clear note begin list */
761	memsetw(lstends, 0, (NLSTENTS << 1)); /* clear note end list */
762
763	/* set funcndx[] entries */
764
765	for (i = 0; i < 12; i++) {
766
767	ip = &vbufs[i];
768
769	for (j = 0; j < NFINST; j++) {
770
771	k = (i << 4) + fnoff[j];
772
773	funcndx[k][0] = &ip->idhfnc[j];
774	funcndx[k][1] = ip->idhpnt;
775	}
776	}
777
778	/*
779
780	*/
781	for (i = 0; i < 3; i++) { /* reset the state machines */
782
783	msmstv[i] = 0; /* state = 0 */
784	mrstat[i] = 0; /* clear running status */
785	mdbyte[i] = 0; /* clear first byte buffer */
786	masens[i] = 0; /* clear active sensing */
787	}
788
789	for (i = 0; i < 48; i++) {
790
791	mpbend[i] = 0; /* clear bend values */
792	mpsust[i] = 0; /* clear sustain values */
793	}
794
795	for (i = 0; i < 12; i++) {
796
797	for (j = 0; j < 6; j++) {
798
799	varmode[j][i] = 0; /* set r/p mode */
800	anrs[j][i] = 4; /* set analog resolution */
801	}
802
803	setdyn(i, 6); /* set group dynamics */
804	setloc(i, 4); /* set group locations */
805	lastvce[i] = 0; /* clear last voice assigned */
806	vce2trg[i] = -1; /* clear voice to trigger table */
807	}
808
809	for (i = 0; i < NLTYPES; i++) {
810
811	memset(loadedc[i], ' ', 37);
812	memset(loadedf[i], ' ', 8);
813	}
814
815	memset(ldfile, ' ', 8); /* clear the library file name field */
816	ldfile[8] = '\0';
817
818	memset(ldcmnt, ' ', 37); /* clear the library comment field */
819	ldcmnt[37] = '\0';
820
821	/*
822
823	*/
824	xkcount = 1; /* reset cursor control variables */
825	ykcount = 1;
826	xycntr = XYCENTRE;
827
828	clksrc = CK_LOCAL; /* clock source = local */
829	clkctl = CK_LOCAL; /* clock control = local */
830	clkrun = FALSE; /* clock stopped */
831	midiclk = FALSE; /* ... */
832	pulsclk = FALSE; /* ... */
833	stepclk = FALSE; /* ... */
834	fc_sw = 0; /* stop the frame clock */
835	fc_val = 0L; /* ... and reset it */
836	scrlpot = 0; /* not scrolling */
837	tmpomlt = 50; /* initialize tempo multiplier */
838	io_leds = 0x18; /* ... and turn off the LEDs */
839	io_leds = 0x19; /* ... */
840	settmpo(60); /* set default tempo */
841
842	timemlt = tmultab[50]; /* initialize time scaling */
843	io_leds = 0x1A;
844	io_leds = 0x1B;
845
846	tuneval = 0; /* initialize fine tuning */
847	io_leds = 0x1C;
848	io_leds = 0x1D;
849
850	for (i = 0; i < 12; i++) /* setup default values for gtctab */
851	gtctab[i] = ((i+3) << 12) \| ((i+3) << 8) \| ((i+3) << 4) \| (i+3);
852
853	editsw = FALSE; /* setup edit switch state */
854	io_leds = 0x1E;
855	ioadr = &io_ser + 2L;
856	editss = *ioadr & 0x0008;
857
858	ac_code = N_SHARP; /* default accidentals to display as sharps */
859
860	memsetw(articen, TRUE, 12); /* enable articulation for all voices */
861	/*
862
863	*/
864	curmove = cmvgen;
865	premove = nokey;
866	pstmove = nokey;
867	curtype = stdctp2;
868
869	x_key = nokey; /* setup default key processors */
870	e_key = nokey;
871	m_key = stdmkey;
872	d_key = nokey;
873
874	not_fld = nokey;
875
876	cx_key = cxkstd; /* setup default cursor processors */
877	cy_key = cykstd;
878	cx_upd = cxgen;
879	cy_upd = cygen;
880	xy_up = nokey;
881	xy_dn = nokey;
882
883	curslim = 349; /* cursor limit for graphics to text switch */
884
885	chtime = hcwval; /* initialize default cursor wait times */
886	cvtime = vcwval;
887	nchwait = curhold;
888	ncvwait = curhold;
889	chwait = 1;
890	cvwait = 1;
891
892	cratex = crate1; /* initialize default cursor x rate table */
893	cratey = crate1; /* initialize default cursor y rate table */
894
895	cmfirst = TRUE; /* setup for first motion of cursor */
896	cmtype = CT_GRAF;
897
898	cxval = XCTR; /* default cursor to center of screen */
899	cyval = YCTR;
900
901	stcrow = cyval / 14; /* keep text position in sync */
902	stccol = cxval / 8;
903
904	submenu = FALSE; /* no submenu up to start with */
905	/*
906
907	*/
908	curinst = 0; /* current instrument = 0 */
909	curfunc = 12; /* current function = 12 = level */
910	curvce = 0; /* current voice = 0 */
911
912	asmode = FALSE; /* deselect assignment mode */
913	gomode = GO_NULL; /* deselect go to mode */
914	ismode = IS_NULL; /* deselect instrument select mode */
915	pkctrl = PK_PFRM; /* select local performance key state */
916	oldpk = pkctrl; /* ... */
917	sliders = LS_PRMTR; /* setup the LCD display pots and switches */
918	oldsl = sliders; /* ... */
919	swpt = t_prmtr; /* ... */
920	oldsw = swpt; /* ... */
921	setleds(); /* set performance keyboard leds */
922
923	initpt(); /* initialize the patch table */
924	initsq(); /* initialize the sequence table */
925	initil(); /* initialize the instrument library */
926	iniwslb(); /* initialize the waveshape library */
927	inital(); /* initialize the assignment library */
928	inittl(); /* initialize the tuning table library */
929	scinit(); /* initialize the score */
930
931	clearer(1, 0); /* reset the fpu to its nominal values */
932	getasg(curasg = 0); /* setup default assignments */
933
934	lcdlbls(); /* put up the LCD display */
935	lampsw = FALSE; /* enable LCD timeout */
936	}

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