| 1 | /*
|
|---|
| 2 | =============================================================================
|
|---|
| 3 | initi.c -- MIDAS-VII - instrument editor support functions
|
|---|
| 4 | Version 2 -- 1989-12-19 -- D.N. Lynx Crowe
|
|---|
| 5 | =============================================================================
|
|---|
| 6 | */
|
|---|
| 7 |
|
|---|
| 8 | #define DEBUGPS 0 /* define non-zero to debug pntsel() */
|
|---|
| 9 |
|
|---|
| 10 | #include "stddefs.h"
|
|---|
| 11 | #include "fpu.h"
|
|---|
| 12 | #include "hwdefs.h"
|
|---|
| 13 | #include "vsdd.h"
|
|---|
| 14 | #include "graphdef.h"
|
|---|
| 15 |
|
|---|
| 16 | #include "midas.h"
|
|---|
| 17 | #include "instdsp.h"
|
|---|
| 18 |
|
|---|
| 19 | extern int setipl();
|
|---|
| 20 |
|
|---|
| 21 | extern unsigned tofpu(), fromfpu();
|
|---|
| 22 |
|
|---|
| 23 | extern short s_inst[], vce2trg[], vce2grp[];
|
|---|
| 24 |
|
|---|
| 25 | extern short curfunc; /* current function number */
|
|---|
| 26 | extern short curinst; /* current instrument number */
|
|---|
| 27 | extern short curpnt; /* current point number (absolute) */
|
|---|
| 28 | extern short curvce; /* current voice number */
|
|---|
| 29 | extern short cxval; /* graphics cursor x value */
|
|---|
| 30 | extern short editsw; /* edit mode switch */
|
|---|
| 31 | extern short initcfg; /* initialization cfg value */
|
|---|
| 32 | extern short npts; /* number of points in function */
|
|---|
| 33 | extern short pecase; /* point edit case variable */
|
|---|
| 34 | extern short pntsv; /* point selection state variable */
|
|---|
| 35 | extern short subj; /* edited point number (relative) */
|
|---|
| 36 | extern short temax; /* time upper limit */
|
|---|
| 37 | extern short temin; /* time lower limit */
|
|---|
| 38 |
|
|---|
| 39 | extern char *funcndx[256][2]; /* function header pointers */
|
|---|
| 40 |
|
|---|
| 41 | extern short idbox[][8]; /* display box parameters */
|
|---|
| 42 | extern short instmod[12]; /* intrument data modified */
|
|---|
| 43 |
|
|---|
| 44 | extern short fnoff[]; /* instrument fn to FPU fn table */
|
|---|
| 45 |
|
|---|
| 46 | extern struct instpnt *pntptr; /* pointer to edited point */
|
|---|
| 47 |
|
|---|
| 48 | extern struct instdef idefs[NINST]; /* current instrument definitions */
|
|---|
| 49 | extern struct instdef vbufs[12]; /* voice instrument buffers */
|
|---|
| 50 |
|
|---|
| 51 | /* |
|---|
| 52 |
|
|---|
| 53 | */
|
|---|
| 54 |
|
|---|
| 55 | #include "dfltins.h" /* short dfltins[]; default instrument */
|
|---|
| 56 | #include "ptoftab.h" /* short ptoftab[]; pitch to frequency table */
|
|---|
| 57 |
|
|---|
| 58 | short finival[NFINST] = { /* initial function values */
|
|---|
| 59 |
|
|---|
| 60 | FPUVAL(500), /* 0: Freq 1 */
|
|---|
| 61 | FPUVAL(500), /* 1: Freq 2 */
|
|---|
| 62 | FPUVAL(500), /* 2: Freq 3 */
|
|---|
| 63 | FPUVAL(500), /* 3: Freq 4 */
|
|---|
| 64 | FPUVAL(500), /* 4: Filter / Resonance */
|
|---|
| 65 | FPUVAL(500), /* 5: Location */
|
|---|
| 66 |
|
|---|
| 67 | FPUVAL(0), /* 6: Index 1 */
|
|---|
| 68 | FPUVAL(0), /* 7: Index 2 */
|
|---|
| 69 | FPUVAL(0), /* 8: Index 3 */
|
|---|
| 70 | FPUVAL(0), /* 9: Index 4 */
|
|---|
| 71 | FPUVAL(0), /* 10: Index 5 */
|
|---|
| 72 | FPUVAL(0), /* 11: Index 6 */
|
|---|
| 73 |
|
|---|
| 74 | FPUVAL(0) /* 12: Level */
|
|---|
| 75 | };
|
|---|
| 76 |
|
|---|
| 77 | short expbit[16] = { /* FPU time exponent bit expansion table */
|
|---|
| 78 |
|
|---|
| 79 | 0x0001, /* 0 */
|
|---|
| 80 | 0x0002, /* 1 */
|
|---|
| 81 | 0x0004, /* 2 */
|
|---|
| 82 | 0x0008, /* 3 */
|
|---|
| 83 | 0x0010, /* 4 */
|
|---|
| 84 | 0x0020, /* 5 */
|
|---|
| 85 | 0x0040, /* 6 */
|
|---|
| 86 | 0x0080, /* 7 */
|
|---|
| 87 | 0x0100, /* 8 */
|
|---|
| 88 | 0x0200, /* 9 */
|
|---|
| 89 | 0x0400, /* 10 */
|
|---|
| 90 | 0x0800, /* 11 */
|
|---|
| 91 | 0x1000, /* 12 */
|
|---|
| 92 | 0x2000, /* 13 */
|
|---|
| 93 | 0x4000, /* 14 */
|
|---|
| 94 | 0x8000 /* 15 */
|
|---|
| 95 | };
|
|---|
| 96 |
|
|---|
| 97 | /* |
|---|
| 98 |
|
|---|
| 99 | */
|
|---|
| 100 |
|
|---|
| 101 | /*
|
|---|
| 102 | =============================================================================
|
|---|
| 103 | segtime() -- determine time to a point using a new segment time
|
|---|
| 104 | =============================================================================
|
|---|
| 105 | */
|
|---|
| 106 |
|
|---|
| 107 | short
|
|---|
| 108 | segtime(pn, ptime)
|
|---|
| 109 | short pn;
|
|---|
| 110 | unsigned ptime;
|
|---|
| 111 | {
|
|---|
| 112 | register struct instpnt *pp;
|
|---|
| 113 | register short i;
|
|---|
| 114 | register unsigned tacc;
|
|---|
| 115 |
|
|---|
| 116 | pp = &vbufs[curvce].idhpnt[vbufs[curvce].idhfnc[curfunc].idfpt1];
|
|---|
| 117 | tacc = 0;
|
|---|
| 118 |
|
|---|
| 119 | for (i = 0; i < pn; i++)
|
|---|
| 120 | tacc += fromfpu(pp++->iptim);
|
|---|
| 121 |
|
|---|
| 122 | tacc += fromfpu(ptime);
|
|---|
| 123 |
|
|---|
| 124 | return(tacc);
|
|---|
| 125 | }
|
|---|
| 126 |
|
|---|
| 127 | /*
|
|---|
| 128 | =============================================================================
|
|---|
| 129 | setseg() -- set the time to a segment
|
|---|
| 130 | =============================================================================
|
|---|
| 131 | */
|
|---|
| 132 |
|
|---|
| 133 | setseg(pn, ptime)
|
|---|
| 134 | short pn;
|
|---|
| 135 | unsigned ptime;
|
|---|
| 136 | {
|
|---|
| 137 | register short i;
|
|---|
| 138 | register unsigned tacc;
|
|---|
| 139 | register struct instpnt *pp;
|
|---|
| 140 |
|
|---|
| 141 | pp = &vbufs[curvce].idhpnt[vbufs[curvce].idhfnc[curfunc].idfpt1];
|
|---|
| 142 | tacc = 0;
|
|---|
| 143 |
|
|---|
| 144 | for (i = 0; i < pn; i++)
|
|---|
| 145 | tacc += fromfpu(pp++->iptim);
|
|---|
| 146 |
|
|---|
| 147 | pp->iptim = tofpu(ptime - tacc);
|
|---|
| 148 | }
|
|---|
| 149 |
|
|---|
| 150 | /* |
|---|
| 151 |
|
|---|
| 152 | */
|
|---|
| 153 |
|
|---|
| 154 | /*
|
|---|
| 155 | =============================================================================
|
|---|
| 156 | timeto() -- find the time at a point in a function
|
|---|
| 157 | =============================================================================
|
|---|
| 158 | */
|
|---|
| 159 |
|
|---|
| 160 | short
|
|---|
| 161 | timeto(fn, pj)
|
|---|
| 162 | short fn, pj;
|
|---|
| 163 | {
|
|---|
| 164 | register struct instdef *ip;
|
|---|
| 165 | register struct instpnt *pt;
|
|---|
| 166 | register short tf, pm, pn;
|
|---|
| 167 |
|
|---|
| 168 | ip = &vbufs[curvce];
|
|---|
| 169 | pn = ip->idhfnc[fn].idfpt1;
|
|---|
| 170 | pt = &ip->idhpnt[pn];
|
|---|
| 171 | pm = pn + pj;
|
|---|
| 172 | tf = 0;
|
|---|
| 173 |
|
|---|
| 174 | while (pn LE pm) {
|
|---|
| 175 |
|
|---|
| 176 | tf += fromfpu(pt->iptim);
|
|---|
| 177 | ++pt;
|
|---|
| 178 | ++pn;
|
|---|
| 179 | }
|
|---|
| 180 |
|
|---|
| 181 | return(tf);
|
|---|
| 182 | }
|
|---|
| 183 |
|
|---|
| 184 | /* |
|---|
| 185 |
|
|---|
| 186 | */
|
|---|
| 187 |
|
|---|
| 188 | /*
|
|---|
| 189 | =============================================================================
|
|---|
| 190 | pntsel() -- setup editing limits for subj in the current function
|
|---|
| 191 | =============================================================================
|
|---|
| 192 | */
|
|---|
| 193 |
|
|---|
| 194 | pntsel()
|
|---|
| 195 | {
|
|---|
| 196 | register struct idfnhdr *fp;
|
|---|
| 197 |
|
|---|
| 198 | fp = &vbufs[curvce].idhfnc[curfunc];
|
|---|
| 199 |
|
|---|
| 200 | curpnt = fp->idfpt1 + subj;
|
|---|
| 201 | pntptr = &vbufs[curvce].idhpnt[curpnt];
|
|---|
| 202 |
|
|---|
| 203 | npts = fp->idfpif;
|
|---|
| 204 |
|
|---|
| 205 | if (npts EQ 1) { /* detemine editing case */
|
|---|
| 206 |
|
|---|
| 207 | pecase = 0; /* single point */
|
|---|
| 208 | temin = 1;
|
|---|
| 209 | temax = 32767;
|
|---|
| 210 |
|
|---|
| 211 | } else if (subj EQ (npts - 1)) {
|
|---|
| 212 |
|
|---|
| 213 | pecase = 1; /* last point */
|
|---|
| 214 | temin = timeto(curfunc, subj - 1);
|
|---|
| 215 | temax = 32767;
|
|---|
| 216 |
|
|---|
| 217 | } else {
|
|---|
| 218 |
|
|---|
| 219 | pecase = 2; /* interior point */
|
|---|
| 220 | temin = timeto(curfunc, subj - 1);
|
|---|
| 221 | temax = timeto(curfunc, subj + 1);
|
|---|
| 222 | }
|
|---|
| 223 |
|
|---|
| 224 | #if DEBUGPS
|
|---|
| 225 | printf("pntsel(): curpnt=%d, subj=%d, fp=0x%08lx, pntptr=0x%08lx\r\n",
|
|---|
| 226 | curpnt, subj, fp, pntptr);
|
|---|
| 227 | printf("pntsel(): npts=%d, pecase=%d, temin=%d, temax=%d\r\n",
|
|---|
| 228 | npts, pecase, temin, temax);
|
|---|
| 229 | #endif
|
|---|
| 230 | }
|
|---|
| 231 |
|
|---|
| 232 | /* |
|---|
| 233 |
|
|---|
| 234 | */
|
|---|
| 235 |
|
|---|
| 236 | /*
|
|---|
| 237 | =============================================================================
|
|---|
| 238 | vtoy() -- convert a value to a y coordinate for display
|
|---|
| 239 | =============================================================================
|
|---|
| 240 | */
|
|---|
| 241 |
|
|---|
| 242 | short
|
|---|
| 243 | vtoy(val, window)
|
|---|
| 244 | short val, window;
|
|---|
| 245 | {
|
|---|
| 246 | register short yval;
|
|---|
| 247 |
|
|---|
| 248 | if (val GT 1000)
|
|---|
| 249 | val = 1000;
|
|---|
| 250 |
|
|---|
| 251 | yval = 56 + (((1000 - val) * 14) / 100);
|
|---|
| 252 |
|
|---|
| 253 | if (window < 12)
|
|---|
| 254 | return((short)(idbox[window][1] + (((yval - 56) * 100L) / 540L)));
|
|---|
| 255 | else
|
|---|
| 256 | return(yval);
|
|---|
| 257 | }
|
|---|
| 258 |
|
|---|
| 259 | /* |
|---|
| 260 |
|
|---|
| 261 | */
|
|---|
| 262 |
|
|---|
| 263 | /*
|
|---|
| 264 | =============================================================================
|
|---|
| 265 | ttox() -- convert a time to an x coordinate for display
|
|---|
| 266 | =============================================================================
|
|---|
| 267 | */
|
|---|
| 268 |
|
|---|
| 269 | short
|
|---|
| 270 | ttox(time, window)
|
|---|
| 271 | unsigned time;
|
|---|
| 272 | short window;
|
|---|
| 273 | {
|
|---|
| 274 | register short xval;
|
|---|
| 275 |
|
|---|
| 276 | if (time < 128) /* 0..127 */
|
|---|
| 277 | xval = 8 + (short)(((time * 1000L) / 2309L));
|
|---|
| 278 | else if (time < 256) /* 128..255 */
|
|---|
| 279 | xval = 64 + (short)((((time - 128) * 1000L) / 2309L));
|
|---|
| 280 | else if (time < 512) /* 256..511 */
|
|---|
| 281 | xval = 120 + (short)((((time - 256) * 1000L) / 4636L));
|
|---|
| 282 | else if (time < 1024) /* 512..1023 */
|
|---|
| 283 | xval = 176 + (short)((((time - 512) * 1000L) / 9290L));
|
|---|
| 284 | else if (time < 2048) /* 1024..2047 */
|
|---|
| 285 | xval = 232 + (short)((((time - 1024) * 1000L) / 18600L));
|
|---|
| 286 | else if (time < 4096) /* 2048..4095 */
|
|---|
| 287 | xval = 288 + (short)((((time - 2048) * 1000L) / 37218L));
|
|---|
| 288 | else if (time < 8192) /* 4096..8191 */
|
|---|
| 289 | xval = 344 + (short)((((time - 4096) * 1000L)/ 74454L));
|
|---|
| 290 | else if (time < 16384) /* 8192..16383 */
|
|---|
| 291 | xval = 400 + (short)((((time - 8192) * 1000L) / 148927L));
|
|---|
| 292 | else if (time < (unsigned)32768) /* 16384..32767 */
|
|---|
| 293 | xval = 456 + (short)((((time - 16384) * 1000L) / 309113L));
|
|---|
| 294 | else
|
|---|
| 295 | xval = 509;
|
|---|
| 296 |
|
|---|
| 297 | if (xval > 509)
|
|---|
| 298 | xval = 509;
|
|---|
| 299 |
|
|---|
| 300 | if (window < 12)
|
|---|
| 301 | return((short)(idbox[window][0] + (((xval - 8) * 100L) / 599L)));
|
|---|
| 302 | else
|
|---|
| 303 | return(xval);
|
|---|
| 304 | }
|
|---|
| 305 |
|
|---|
| 306 | /* |
|---|
| 307 |
|
|---|
| 308 | */
|
|---|
| 309 |
|
|---|
| 310 | /*
|
|---|
| 311 | =============================================================================
|
|---|
| 312 | selpnt() -- select a point for editing
|
|---|
| 313 | =============================================================================
|
|---|
| 314 | */
|
|---|
| 315 |
|
|---|
| 316 | short
|
|---|
| 317 | selpnt()
|
|---|
| 318 | {
|
|---|
| 319 | register struct idfnhdr *fp;
|
|---|
| 320 |
|
|---|
| 321 | register short i, xv, np;
|
|---|
| 322 |
|
|---|
| 323 | short lo_x, lo_x_pt, hi_x, hi_x_pt;
|
|---|
| 324 |
|
|---|
| 325 | fp = &vbufs[curvce].idhfnc[curfunc];
|
|---|
| 326 | np = fp->idfpif;
|
|---|
| 327 | lo_x_pt = 0;
|
|---|
| 328 | lo_x = ttox(timeto(curfunc, lo_x_pt), 12);
|
|---|
| 329 | hi_x_pt = np - 1;
|
|---|
| 330 | hi_x = ttox(timeto(curfunc, hi_x_pt), 12);
|
|---|
| 331 |
|
|---|
| 332 | for (i = 0; i < np; i++) {
|
|---|
| 333 |
|
|---|
| 334 | xv = ttox(timeto(curfunc, i), 12);
|
|---|
| 335 |
|
|---|
| 336 | if (xv LE cxval) /* largest x LE cxval */
|
|---|
| 337 | if (xv GE lo_x) {
|
|---|
| 338 |
|
|---|
| 339 | lo_x = xv;
|
|---|
| 340 | lo_x_pt = i;
|
|---|
| 341 | }
|
|---|
| 342 |
|
|---|
| 343 | if (xv GE cxval) /* smallest x GE cxval*/
|
|---|
| 344 | if (xv LT hi_x) {
|
|---|
| 345 |
|
|---|
| 346 | hi_x = xv;
|
|---|
| 347 | hi_x_pt = i;
|
|---|
| 348 | }
|
|---|
| 349 | }
|
|---|
| 350 |
|
|---|
| 351 | if (lo_x EQ hi_x)
|
|---|
| 352 | return(lo_x_pt);
|
|---|
| 353 |
|
|---|
| 354 | if ((cxval - lo_x) LT (hi_x - cxval))
|
|---|
| 355 | return(lo_x_pt);
|
|---|
| 356 | else
|
|---|
| 357 | return(hi_x_pt);
|
|---|
| 358 | }
|
|---|
| 359 |
|
|---|
| 360 | /* |
|---|
| 361 |
|
|---|
| 362 | */
|
|---|
| 363 |
|
|---|
| 364 | /*
|
|---|
| 365 | =============================================================================
|
|---|
| 366 | setinst() -- setup for editing a new instrument
|
|---|
| 367 | =============================================================================
|
|---|
| 368 | */
|
|---|
| 369 |
|
|---|
| 370 | setinst()
|
|---|
| 371 | {
|
|---|
| 372 | register struct instdef *ip;
|
|---|
| 373 | register struct idfnhdr *fp;
|
|---|
| 374 |
|
|---|
| 375 | curfunc = 12; /* current function = 12 = level */
|
|---|
| 376 | subj = 0; /* current edited point = 0 (first point) */
|
|---|
| 377 | pntsv = 0; /* point selection state = unselected */
|
|---|
| 378 | pecase = 0; /* point selection case = 0 (first point) */
|
|---|
| 379 |
|
|---|
| 380 | ip = &vbufs[curvce]; /* instrument definition pointer */
|
|---|
| 381 | fp = &ip->idhfnc[curfunc]; /* function pointer */
|
|---|
| 382 |
|
|---|
| 383 | curpnt = subj + fp->idfpt1; /* current point in function */
|
|---|
| 384 | pntptr = &ip->idhpnt[curpnt]; /* current point pointer */
|
|---|
| 385 |
|
|---|
| 386 | newws(); /* setup waveshape variables */
|
|---|
| 387 | }
|
|---|
| 388 |
|
|---|
| 389 | /* |
|---|
| 390 |
|
|---|
| 391 | */
|
|---|
| 392 |
|
|---|
| 393 | /*
|
|---|
| 394 | =============================================================================
|
|---|
| 395 | newinst() -- select a new instrument
|
|---|
| 396 | =============================================================================
|
|---|
| 397 | */
|
|---|
| 398 |
|
|---|
| 399 | newinst(inst)
|
|---|
| 400 | short inst;
|
|---|
| 401 | {
|
|---|
| 402 | curinst = inst;
|
|---|
| 403 | s_inst[curvce] = inst;
|
|---|
| 404 | setinst();
|
|---|
| 405 | }
|
|---|
| 406 |
|
|---|
| 407 | /*
|
|---|
| 408 | =============================================================================
|
|---|
| 409 | newvce() -- select a new voice
|
|---|
| 410 | =============================================================================
|
|---|
| 411 | */
|
|---|
| 412 |
|
|---|
| 413 | newvce(voice)
|
|---|
| 414 | short voice;
|
|---|
| 415 | {
|
|---|
| 416 | curvce = voice;
|
|---|
| 417 | curinst = s_inst[curvce];
|
|---|
| 418 | setinst();
|
|---|
| 419 | }
|
|---|
| 420 |
|
|---|
| 421 | /* |
|---|
| 422 |
|
|---|
| 423 | */
|
|---|
| 424 |
|
|---|
| 425 | /*
|
|---|
| 426 | =============================================================================
|
|---|
| 427 | setivce() -- set instrument definition for a voice
|
|---|
| 428 | =============================================================================
|
|---|
| 429 | */
|
|---|
| 430 |
|
|---|
| 431 | setivce(voice)
|
|---|
| 432 | short voice;
|
|---|
| 433 | {
|
|---|
| 434 | register short i, j, k, oldi;
|
|---|
| 435 | register struct instdef *ip;
|
|---|
| 436 |
|
|---|
| 437 | ip = &vbufs[voice];
|
|---|
| 438 |
|
|---|
| 439 | oldi = setipl(FPU_DI); /* disable FPU interrupts */
|
|---|
| 440 |
|
|---|
| 441 | /* +++++++++++++++++++++++ FPU interrupts disabled ++++++++++++++++++++++++++ */
|
|---|
| 442 |
|
|---|
| 443 | for (j = 0; j < NFINST; j++) { /* set funcndx[] entries */
|
|---|
| 444 |
|
|---|
| 445 | k = (voice << 4) + fnoff[j];
|
|---|
| 446 | funcndx[k][0] = &ip->idhfnc[j];
|
|---|
| 447 | funcndx[k][1] = ip->idhpnt;
|
|---|
| 448 | }
|
|---|
| 449 |
|
|---|
| 450 | /* set waveshapes */
|
|---|
| 451 |
|
|---|
| 452 | memcpyw((io_fpu + FPU_OWST + (voice << 9) + 0x0100 + 1),
|
|---|
| 453 | ip->idhwvaf, NUMWPNT);
|
|---|
| 454 |
|
|---|
| 455 | memcpyw((io_fpu + FPU_OWST + (voice << 9) + 1),
|
|---|
| 456 | ip->idhwvbf, NUMWPNT);
|
|---|
| 457 |
|
|---|
| 458 | setipl(oldi); /* restore interrupts */
|
|---|
| 459 |
|
|---|
| 460 | /* ++++++++++++++++++++++++++ Interrupts restored +++++++++++++++++++++++++++ */
|
|---|
| 461 |
|
|---|
| 462 | instmod[voice] = FALSE; /* instrument matches library */
|
|---|
| 463 | }
|
|---|
| 464 |
|
|---|
| 465 | /* |
|---|
| 466 |
|
|---|
| 467 | */
|
|---|
| 468 |
|
|---|
| 469 | /*
|
|---|
| 470 | =============================================================================
|
|---|
| 471 | modinst() -- handle instrument modifications
|
|---|
| 472 | =============================================================================
|
|---|
| 473 | */
|
|---|
| 474 |
|
|---|
| 475 | modinst()
|
|---|
| 476 | {
|
|---|
| 477 | short f, i, grp, oldi;
|
|---|
| 478 |
|
|---|
| 479 | if (NOT instmod[curvce]) {
|
|---|
| 480 |
|
|---|
| 481 | instmod[curvce] = TRUE;
|
|---|
| 482 | dswin(19);
|
|---|
| 483 | }
|
|---|
| 484 |
|
|---|
| 485 | if (NOT editsw) {
|
|---|
| 486 |
|
|---|
| 487 | if ((grp = vce2grp[curvce]) > 0) {
|
|---|
| 488 |
|
|---|
| 489 | oldi = setipl(FPU_DI); /* +++++ disable FPU interrupts */
|
|---|
| 490 |
|
|---|
| 491 | for (i = 0; i < 12; i++) {
|
|---|
| 492 |
|
|---|
| 493 | if (vce2grp[i] EQ grp) {
|
|---|
| 494 |
|
|---|
| 495 | memcpyw(&vbufs[i], &vbufs[curvce],
|
|---|
| 496 | sizeof (struct instdef) / 2);
|
|---|
| 497 |
|
|---|
| 498 | for (f = 0; f < 12; f++)
|
|---|
| 499 | vbufs[i].idhfnc[f].idftmd
|
|---|
| 500 | &= ~I_ACTIVE;
|
|---|
| 501 |
|
|---|
| 502 | s_inst[i] = curinst;
|
|---|
| 503 | clrvce(i);
|
|---|
| 504 | setivce(i);
|
|---|
| 505 | dosync(i);
|
|---|
| 506 | execkey(0, 0, i, 1);
|
|---|
| 507 | vce2trg[i] = -1;
|
|---|
| 508 | }
|
|---|
| 509 | }
|
|---|
| 510 |
|
|---|
| 511 | setipl(oldi); /* +++++ enable FPU interrupts */
|
|---|
| 512 | }
|
|---|
| 513 | }
|
|---|
| 514 | }
|
|---|
| 515 |
|
|---|
| 516 | /* |
|---|
| 517 |
|
|---|
| 518 | */
|
|---|
| 519 |
|
|---|
| 520 | /*
|
|---|
| 521 | =============================================================================
|
|---|
| 522 | initi() -- initialize an instrument definition
|
|---|
| 523 | =============================================================================
|
|---|
| 524 | */
|
|---|
| 525 |
|
|---|
| 526 | initi(ip)
|
|---|
| 527 | register struct instdef *ip;
|
|---|
| 528 | {
|
|---|
| 529 | register short i, mintfpu, rb;
|
|---|
| 530 |
|
|---|
| 531 | memsetw(ip, 0, sizeof (struct instdef) / 2);
|
|---|
| 532 |
|
|---|
| 533 | memcpy(ip->idhname, " ", MAXIDLN+1);
|
|---|
| 534 | memcpy(ip->idhcom1, " ", MAXIDLN+1);
|
|---|
| 535 | memcpy(ip->idhcom2, " ", MAXIDLN+1);
|
|---|
| 536 | memcpy(ip->idhcom3, " ", MAXIDLN+1);
|
|---|
| 537 |
|
|---|
| 538 | ip->idhplft = NIPNTS - NFINST;
|
|---|
| 539 | ip->idhcfg = (initcfg >> 8) & 0x00FF;
|
|---|
| 540 | mintfpu = tofpu(1);
|
|---|
| 541 |
|
|---|
| 542 | for (i = 0; i < NFINST; i++) { /* for each function ... */
|
|---|
| 543 |
|
|---|
| 544 | /* initialize the function header */
|
|---|
| 545 |
|
|---|
| 546 | rb = ((i < 4) AND (i NE 0)) ? 0 : I_NRATIO;
|
|---|
| 547 | ip->idhfnc[i].idfpif = 1;
|
|---|
| 548 | ip->idhfnc[i].idfpt1 = i;
|
|---|
| 549 | ip->idhfnc[i].idftmd = (I_TM_KEY | 0x0010) | rb;
|
|---|
| 550 |
|
|---|
| 551 | /* initialize the first point in the function */
|
|---|
| 552 |
|
|---|
| 553 | ip->idhpnt[i].iptim = mintfpu;
|
|---|
| 554 | ip->idhpnt[i].ipval = finival[i];
|
|---|
| 555 | }
|
|---|
| 556 |
|
|---|
| 557 | for (i = 0; i < NUMWPNT; i++) {
|
|---|
| 558 |
|
|---|
| 559 | ip->idhwvaf[i] = (ip->idhwvao[i] = 0x8000 ^ ((i + 1) << 8));
|
|---|
| 560 | ip->idhwvbf[i] = (ip->idhwvbo[i] = 0x8000 ^ ((i + 1) << 8));
|
|---|
| 561 | }
|
|---|
| 562 | }
|
|---|
| 563 |
|
|---|
| 564 | /* |
|---|
| 565 |
|
|---|
| 566 | */
|
|---|
| 567 |
|
|---|
| 568 | /*
|
|---|
| 569 | =============================================================================
|
|---|
| 570 | initil() -- initialize instrument library
|
|---|
| 571 | =============================================================================
|
|---|
| 572 | */
|
|---|
| 573 |
|
|---|
| 574 | initil()
|
|---|
| 575 | {
|
|---|
| 576 | register short i;
|
|---|
| 577 |
|
|---|
| 578 | setipl(FPU_DI); /* disable FPU interrupts */
|
|---|
| 579 |
|
|---|
| 580 | /* +++++++++++++++++++++++ FPU interrupts disabled ++++++++++++++++++++++++++ */
|
|---|
| 581 |
|
|---|
| 582 | fpuclr(); /* clear the FPU */
|
|---|
| 583 |
|
|---|
| 584 | memcpyw(&idefs[0], dfltins, sizeof (struct instdef) / 2);
|
|---|
| 585 |
|
|---|
| 586 | for (i = 1; i < NINST; i++) /* initialize each instrument */
|
|---|
| 587 | initi(&idefs[i]);
|
|---|
| 588 |
|
|---|
| 589 | memset(funcndx, 0, sizeof funcndx);
|
|---|
| 590 |
|
|---|
| 591 | for (i = 0; i < 12; i++) { /* initialize voices */
|
|---|
| 592 |
|
|---|
| 593 | memcpyw(&vbufs[i], &idefs[0], sizeof (struct instdef) / 2);
|
|---|
| 594 | setivce(i);
|
|---|
| 595 | }
|
|---|
| 596 |
|
|---|
| 597 | setipl(FPU_EI); /* enable FPU interrupts */
|
|---|
| 598 |
|
|---|
| 599 | /* ++++++++++++++++++++++++++ Interrupts enabled ++++++++++++++++++++++++++++ */
|
|---|
| 600 |
|
|---|
| 601 | newvce(0); /* setup editing for instrument 0, voice 0 */
|
|---|
| 602 | newinst(0);
|
|---|
| 603 | }
|
|---|
| 604 |
|
|---|
![(please configure the [header_logo] section in trac.ini)](http://bob.lopatic.de/chrome/site/logo.png){kind=logo}
