[f40a309] | 1 | /*
|
---|
| 2 | =============================================================================
|
---|
| 3 | stmproc.c -- MIDAS-VII Patch facility support functions
|
---|
| 4 | Version 33 -- 1988-12-06 -- D.N. Lynx Crowe
|
---|
| 5 | =============================================================================
|
---|
| 6 | */
|
---|
| 7 |
|
---|
| 8 | #define DEBUGDP 0
|
---|
| 9 | #define DEBUGEP 0
|
---|
| 10 | #define DEBUGFD 0
|
---|
| 11 | #define DEBUGFP 0
|
---|
| 12 | #define DEBUGSR 0
|
---|
| 13 |
|
---|
| 14 | #define PATCHDEF /* so patch.h gets it right */
|
---|
| 15 |
|
---|
| 16 | #include "stddefs.h"
|
---|
| 17 | #include "graphdef.h"
|
---|
| 18 | #include "hwdefs.h"
|
---|
| 19 | #include "patch.h"
|
---|
| 20 | #include "vsdd.h"
|
---|
| 21 | #include "wordq.h"
|
---|
| 22 |
|
---|
| 23 | #include "midas.h"
|
---|
| 24 | #include "ptdisp.h"
|
---|
| 25 |
|
---|
[7258c6a] | 26 | extern int16_t ptegood, ptedfok, ptestok, ptedsok, ptedtok;
|
---|
[f40a309] | 27 |
|
---|
[7258c6a] | 28 | extern int16_t ptedef, ptestm, ptespec, ptesuba, ptedat1;
|
---|
[f40a309] | 29 |
|
---|
[7258c6a] | 30 | extern int16_t pteset;
|
---|
[f40a309] | 31 |
|
---|
[7258c6a] | 32 | extern int16_t ptecpos, ptepred, ptesucc;
|
---|
[f40a309] | 33 |
|
---|
| 34 | extern struct patch ptebuf;
|
---|
| 35 |
|
---|
[7258c6a] | 36 | extern int8_t ptdebuf[];
|
---|
[f40a309] | 37 |
|
---|
| 38 | #if DEBUGDP
|
---|
| 39 | short debugdp = 1;
|
---|
| 40 | #endif
|
---|
| 41 |
|
---|
| 42 | #if DEBUGEP
|
---|
| 43 | short debugep = 0;
|
---|
| 44 | short snapep = 1;
|
---|
| 45 | #endif
|
---|
| 46 |
|
---|
| 47 | #if DEBUGFD
|
---|
| 48 | short debugfd = 0;
|
---|
| 49 | #endif
|
---|
| 50 |
|
---|
| 51 | #if DEBUGFP
|
---|
| 52 | short debugfp = 1;
|
---|
| 53 | #endif
|
---|
| 54 |
|
---|
| 55 | #if DEBUGSR
|
---|
| 56 | short debugsr = 1;
|
---|
| 57 | short snapsr = 1;
|
---|
| 58 | #endif
|
---|
| 59 |
|
---|
| 60 | #if (DEBUGDP|DEBUGEP|DEBUGFD|DEBUGFP|DEBUGSR)
|
---|
| 61 | extern short debugsw;
|
---|
| 62 | #endif
|
---|
| 63 |
|
---|
[7258c6a] | 64 | uint16_t dtfree; /* defent free list index */
|
---|
| 65 | uint16_t ptfree; /* patch free list index */
|
---|
[f40a309] | 66 |
|
---|
[7258c6a] | 67 | uint16_t dpepred; /* defent predecessor index */
|
---|
| 68 | uint16_t dpecpos; /* current defent index */
|
---|
| 69 | uint16_t dpesucc; /* defent successor index */
|
---|
[f40a309] | 70 |
|
---|
[7258c6a] | 71 | int8_t ptdsbuf[50]; /* patch display build buffer */
|
---|
[f40a309] | 72 |
|
---|
[7258c6a] | 73 | int8_t defptr[NDEFSTMS]; /* definition index table */
|
---|
| 74 | int8_t stmptr[NDEFSTMS]; /* stimulus index table */
|
---|
[f40a309] | 75 |
|
---|
| 76 | struct defent defents[RAWDEFS]; /* definition control table */
|
---|
| 77 |
|
---|
| 78 | struct patch patches[MAXPATCH]; /* patch table */
|
---|
| 79 |
|
---|
| 80 | struct wordq ptefifo; /* patch trigger fifo header */
|
---|
| 81 |
|
---|
[7258c6a] | 82 | uint16_t ptewrds[NPTEQELS]; /* patch trigger fifo entries */
|
---|
[f40a309] | 83 |
|
---|
[7258c6a] | 84 | int8_t dmatch[] = { /* addat1 match tags */
|
---|
[f40a309] | 85 |
|
---|
| 86 | 0, 0, 0, 0, 0, 0, 0, 0, /* 0 .. 7 */
|
---|
| 87 | 0, 0, 0, 1, 0, 0, 0, 0, /* 8 .. 15 */
|
---|
| 88 | 1, 1, 1, 1, 1, 1, 1, 1, /* 16 .. 23 */
|
---|
| 89 | 1, 1, 1 /* 24 .. 26 */
|
---|
| 90 | };
|
---|
| 91 |
|
---|
| 92 | /* |
---|
| 93 |
|
---|
| 94 | */
|
---|
| 95 |
|
---|
| 96 | /*
|
---|
| 97 | =============================================================================
|
---|
| 98 | initpt() -- initialize patch table data structure
|
---|
| 99 | =============================================================================
|
---|
| 100 | */
|
---|
[0580615] | 101 |
|
---|
[f40a309] | 102 | void initpt(void)
|
---|
[7258c6a] | 103 | {
|
---|
[f40a309] | 104 | register uint16_t i;
|
---|
| 105 |
|
---|
| 106 | /* initialize the trigger fifo */
|
---|
| 107 |
|
---|
| 108 | setwq(&ptefifo, ptewrds, NPTEQELS, NPTEQHI, NPTEQLO);
|
---|
| 109 |
|
---|
| 110 | /* clear DEF / STM index tables */
|
---|
| 111 |
|
---|
| 112 | memset(defptr, 0, sizeof defptr);
|
---|
| 113 | memset(stmptr, 0, sizeof stmptr);
|
---|
| 114 |
|
---|
| 115 | /* setup patch free chain */
|
---|
| 116 |
|
---|
| 117 | memset(patches, 0, sizeof patches);
|
---|
| 118 |
|
---|
| 119 | for (i = 1; i < 255; i++)
|
---|
| 120 | patches[i].nextstm = 1 + i;
|
---|
| 121 |
|
---|
| 122 | ptfree = 1;
|
---|
| 123 |
|
---|
| 124 | /* setup defent free chain */
|
---|
| 125 |
|
---|
| 126 | memset(defents, 0, sizeof defents);
|
---|
| 127 |
|
---|
| 128 | for (i = 1; i < 255; i++)
|
---|
| 129 | defents[i].nextdef = 1 + i;
|
---|
| 130 |
|
---|
| 131 | dtfree = 1;
|
---|
| 132 | }
|
---|
| 133 |
|
---|
| 134 | /* |
---|
| 135 |
|
---|
| 136 | */
|
---|
| 137 |
|
---|
| 138 | /*
|
---|
| 139 | =============================================================================
|
---|
| 140 | pt_alc() -- allocate a patch table entry from the free list
|
---|
| 141 | =============================================================================
|
---|
[7258c6a] | 142 | */
|
---|
[f40a309] | 143 |
|
---|
[7258c6a] | 144 | uint16_t pt_alc(void)
|
---|
[f40a309] | 145 | {
|
---|
| 146 | register uint16_t pe;
|
---|
| 147 |
|
---|
| 148 | if (0 NE (pe = ptfree))
|
---|
| 149 | ptfree = patches[pe].nextstm;
|
---|
| 150 |
|
---|
| 151 | return(pe);
|
---|
| 152 | }
|
---|
| 153 |
|
---|
| 154 | /*
|
---|
| 155 | =============================================================================
|
---|
| 156 | pt_del() -- return a patch table entry to the free list
|
---|
| 157 | =============================================================================
|
---|
[7258c6a] | 158 | */
|
---|
[f40a309] | 159 |
|
---|
| 160 | void pt_del(uint16_t pe)
|
---|
| 161 | {
|
---|
| 162 | patches[pe].nextstm = ptfree;
|
---|
| 163 | ptfree = pe;
|
---|
| 164 | }
|
---|
| 165 |
|
---|
| 166 | /* |
---|
| 167 |
|
---|
| 168 | */
|
---|
| 169 |
|
---|
| 170 | /*
|
---|
| 171 | =============================================================================
|
---|
| 172 | dt_alc() -- allocate a def table entry from the free list
|
---|
[7258c6a] | 173 | =============================================================================
|
---|
[f40a309] | 174 | */
|
---|
[7258c6a] | 175 |
|
---|
[f40a309] | 176 | uint16_t dt_alc(void)
|
---|
| 177 | {
|
---|
| 178 | register uint16_t de;
|
---|
| 179 |
|
---|
| 180 | if (0 NE (de = dtfree))
|
---|
| 181 | dtfree = defents[de].nextdef;
|
---|
| 182 |
|
---|
| 183 | return(de);
|
---|
| 184 | }
|
---|
| 185 |
|
---|
| 186 | /*
|
---|
| 187 | =============================================================================
|
---|
| 188 | dt_del() -- return a def table entry to the free list
|
---|
[7258c6a] | 189 | =============================================================================
|
---|
[f40a309] | 190 | */
|
---|
| 191 |
|
---|
| 192 | void dt_del(uint16_t de)
|
---|
| 193 | {
|
---|
| 194 | defents[de].nextdef = dtfree;
|
---|
| 195 | dtfree = de;
|
---|
| 196 | }
|
---|
| 197 |
|
---|
| 198 | /* |
---|
| 199 |
|
---|
| 200 | */
|
---|
| 201 |
|
---|
| 202 | /*
|
---|
| 203 | =============================================================================
|
---|
| 204 | cprdpe() -- compare patch buffer to def table entry
|
---|
| 205 |
|
---|
| 206 | Returns:
|
---|
| 207 | -1 = buffer < table entry
|
---|
| 208 | 0 = buffer EQ table entry
|
---|
[7258c6a] | 209 | +1 = buffer > table entry
|
---|
[f40a309] | 210 | =============================================================================
|
---|
[7258c6a] | 211 | */
|
---|
[f40a309] | 212 |
|
---|
| 213 | int16_t cprdpe(uint16_t np)
|
---|
| 214 | {
|
---|
| 215 | register uint16_t ca, cb, ct;
|
---|
| 216 | register struct defent *pp;
|
---|
| 217 |
|
---|
| 218 | pp = &defents[np];
|
---|
| 219 |
|
---|
| 220 | if ((cb = ptestm) < (ct = pp->stm))
|
---|
| 221 | return(-1);
|
---|
| 222 |
|
---|
| 223 | if (cb > ct)
|
---|
| 224 | return(1);
|
---|
| 225 |
|
---|
| 226 | if ((ca = (PE_SPEC & ptespec)) < (ct = (PE_SPEC & pp->adspec)))
|
---|
| 227 | return(-1);
|
---|
| 228 |
|
---|
| 229 | if (ca > ct)
|
---|
| 230 | return(1);
|
---|
| 231 |
|
---|
| 232 | if ((cb = ptesuba) < (ct = pp->adsuba))
|
---|
| 233 | return(-1);
|
---|
| 234 |
|
---|
| 235 | if (cb > ct)
|
---|
| 236 | return(1);
|
---|
| 237 | /* |
---|
| 238 |
|
---|
| 239 | */
|
---|
| 240 | /* check for extended destinations -- they need further testing */
|
---|
| 241 |
|
---|
| 242 | if (dmatch[ca]) { /* check destination type */
|
---|
| 243 |
|
---|
| 244 | if ((cb = ptedat1) < (ct = pp->addat1))
|
---|
| 245 | return(-1);
|
---|
| 246 |
|
---|
| 247 | if (cb > ct)
|
---|
| 248 | return(1);
|
---|
| 249 | else
|
---|
| 250 | return(0);
|
---|
| 251 |
|
---|
| 252 | } else {
|
---|
| 253 |
|
---|
| 254 | return(0);
|
---|
| 255 | }
|
---|
| 256 | }
|
---|
| 257 |
|
---|
| 258 | /* |
---|
| 259 |
|
---|
| 260 | */
|
---|
| 261 |
|
---|
| 262 | /*
|
---|
| 263 | =============================================================================
|
---|
| 264 | finddpe() -- find def table entry
|
---|
| 265 |
|
---|
| 266 | Returns: +1 = new def -- no DEF entry yet
|
---|
| 267 | 0 = old def -- entry found in DEF chain
|
---|
| 268 | -1 = new def -- entry not in DEF chain
|
---|
| 269 |
|
---|
[7258c6a] | 270 | Sets: dpepred predecessor index, or 0 if none exists
|
---|
[f40a309] | 271 | dpecpos def table index, or 0 if none exists
|
---|
[7258c6a] | 272 | dpesucc successor index, or 0 if none exists
|
---|
[f40a309] | 273 | =============================================================================
|
---|
| 274 | */
|
---|
| 275 |
|
---|
| 276 | int16_t finddpe(void)
|
---|
| 277 | {
|
---|
| 278 | register uint16_t c, idef;
|
---|
| 279 |
|
---|
| 280 | dpepred = 0; /* initialize dpepred = 0 (no predecessor) */
|
---|
| 281 | dpecpos = 0; /* initialize dpecpos = 0 (no current defent */
|
---|
| 282 | dpesucc = 0; /* initialize dpesucc = 0 (no successor) */
|
---|
| 283 |
|
---|
| 284 | #if DEBUGFD
|
---|
| 285 | if (debugsw AND debugfd) {
|
---|
| 286 |
|
---|
| 287 | printf("finddpe(): entry\n");
|
---|
| 288 |
|
---|
| 289 | printf(" ptb $%04.4X $%04.4X $%04.4X $%04.4X $%04.4X $%04.4X\n",
|
---|
| 290 | ptebuf.defnum, ptebuf.stmnum, ptebuf.paspec,
|
---|
| 291 | ptebuf.pasuba, ptebuf.padat1, ptebuf.padat2);
|
---|
| 292 | }
|
---|
| 293 | #endif
|
---|
| 294 |
|
---|
| 295 | /* try to find the DEF chain index for the defent in defptr[] */
|
---|
| 296 |
|
---|
| 297 | if (0 EQ (idef = defptr[TRG_MASK & ptebuf.defnum])) {
|
---|
| 298 |
|
---|
| 299 | #if DEBUGFD
|
---|
| 300 | if (debugsw AND debugfd) {
|
---|
| 301 |
|
---|
| 302 | printf("finddpe(): 1 -- NO DEF -- ");
|
---|
| 303 | printf("dpe pred: %3d cpos: %3d succ: %3d\n",
|
---|
| 304 | dpepred, dpecpos, dpesucc);
|
---|
| 305 | }
|
---|
| 306 | #endif
|
---|
| 307 |
|
---|
| 308 | return(1); /* +1 = new defent -- no DEF entry yet */
|
---|
| 309 | }
|
---|
| 310 |
|
---|
| 311 | /* |
---|
| 312 |
|
---|
| 313 | */
|
---|
| 314 |
|
---|
| 315 | while (idef) { /* search the DEF chain */
|
---|
| 316 |
|
---|
| 317 | /* compare ptebuf to defents[idef] */
|
---|
| 318 |
|
---|
| 319 | if (1 NE (c = cprdpe(idef))) {
|
---|
| 320 |
|
---|
| 321 | if (c EQ 0) { /* if we find the defent ... */
|
---|
| 322 |
|
---|
| 323 | dpecpos = idef; /* ... point at it */
|
---|
| 324 | dpesucc = defents[idef].nextdef;
|
---|
| 325 |
|
---|
| 326 | }
|
---|
| 327 |
|
---|
| 328 | #if DEBUGFD
|
---|
| 329 | if (debugsw AND debugfd) {
|
---|
| 330 |
|
---|
| 331 | printf("finddpe(): %d -- %s -- ", c,
|
---|
| 332 | c ? "NOT FOUND (>)" : "FOUND");
|
---|
| 333 |
|
---|
| 334 | printf("dpe pred: %3d cpos: %3d succ: %3d\n",
|
---|
| 335 | dpepred, dpecpos, dpesucc);
|
---|
| 336 | }
|
---|
| 337 | #endif
|
---|
| 338 | return(c); /* return search result */
|
---|
| 339 | }
|
---|
| 340 |
|
---|
| 341 | dpepred = idef; /* point at next entry in DEF chain */
|
---|
| 342 | idef = defents[idef].nextdef;
|
---|
| 343 | }
|
---|
| 344 |
|
---|
| 345 | #if DEBUGFD
|
---|
| 346 | if (debugsw AND debugfd) {
|
---|
| 347 |
|
---|
| 348 | printf("finddpe(): -1 -- NOT FOUND (<) -- ");
|
---|
| 349 | printf("dpe pred: %3d cpos: %3d succ: %3d\n",
|
---|
| 350 | dpepred, dpecpos, dpesucc);
|
---|
| 351 | }
|
---|
| 352 | #endif
|
---|
| 353 |
|
---|
| 354 | return(-1); /* -1 = new defent -- entry not in DEF chain */
|
---|
| 355 | }
|
---|
| 356 |
|
---|
| 357 | /* |
---|
| 358 |
|
---|
| 359 | */
|
---|
| 360 |
|
---|
| 361 | /*
|
---|
| 362 | =============================================================================
|
---|
| 363 | cprpte() -- compare patch buffer to patch table entry
|
---|
[7258c6a] | 364 |
|
---|
[f40a309] | 365 | Returns:
|
---|
[7258c6a] | 366 | -1 = buffer < table entry
|
---|
[f40a309] | 367 | 0 = buffer EQ table entry
|
---|
| 368 | +1 = buffer > table entry
|
---|
| 369 | =============================================================================
|
---|
| 370 | */
|
---|
| 371 |
|
---|
| 372 | int16_t cprpte(uint16_t np)
|
---|
| 373 | {
|
---|
| 374 | register uint16_t ca, cb, ct;
|
---|
| 375 | register struct patch *pb, *pp;
|
---|
| 376 |
|
---|
| 377 | pb = &ptebuf;
|
---|
| 378 | pp = &patches[np];
|
---|
| 379 |
|
---|
| 380 | if ((cb = pb->stmnum) < (ct = pp->stmnum))
|
---|
| 381 | return(-1);
|
---|
| 382 |
|
---|
| 383 | if (cb > ct)
|
---|
| 384 | return(1);
|
---|
| 385 |
|
---|
| 386 | if ((cb = pb->defnum) < (ct = pp->defnum))
|
---|
| 387 | return(-1);
|
---|
| 388 |
|
---|
| 389 | if (cb > ct)
|
---|
| 390 | return(1);
|
---|
| 391 |
|
---|
| 392 | if ((ca = (PE_SPEC & pb->paspec)) < (ct = (PE_SPEC & pp->paspec)))
|
---|
| 393 | return(-1);
|
---|
| 394 |
|
---|
| 395 | if (ca > ct)
|
---|
| 396 | return(1);
|
---|
| 397 |
|
---|
| 398 | if ((cb = pb->pasuba) < (ct = pp->pasuba))
|
---|
| 399 | return(-1);
|
---|
| 400 |
|
---|
| 401 | if (cb > ct)
|
---|
| 402 | return(1);
|
---|
| 403 | /* |
---|
| 404 |
|
---|
| 405 | */
|
---|
| 406 | /* check for extended destinations -- they need further testing */
|
---|
| 407 |
|
---|
| 408 | if (dmatch[ca]) { /* check destination type */
|
---|
| 409 |
|
---|
| 410 | if ((cb = pb->padat1) < (ct = pp->padat1))
|
---|
| 411 | return(-1);
|
---|
| 412 |
|
---|
| 413 | if (cb > ct)
|
---|
| 414 | return(1);
|
---|
| 415 | else
|
---|
| 416 | return(0);
|
---|
| 417 |
|
---|
| 418 | } else {
|
---|
| 419 |
|
---|
| 420 | return(0);
|
---|
| 421 | }
|
---|
| 422 | }
|
---|
| 423 |
|
---|
| 424 | /* |
---|
| 425 |
|
---|
| 426 | */
|
---|
| 427 |
|
---|
| 428 | /*
|
---|
| 429 | =============================================================================
|
---|
| 430 | findpte() -- find patch table entry
|
---|
| 431 |
|
---|
[7258c6a] | 432 | Returns: +1 = new patch -- no STM entry yet
|
---|
[f40a309] | 433 | 0 = old patch -- entry found in STM chain
|
---|
[7258c6a] | 434 | -1 = new patch -- entry not in STM chain
|
---|
[f40a309] | 435 |
|
---|
| 436 | Sets: ptepred predecessor index, or 0 if none exists
|
---|
| 437 | ptecpos patch table index, or 0 if none exists
|
---|
| 438 | ptesucc successor index, or 0 if none exists
|
---|
| 439 | =============================================================================
|
---|
| 440 | */
|
---|
| 441 |
|
---|
| 442 | int16_t findpte(void)
|
---|
| 443 | {
|
---|
| 444 | register uint16_t c, istim;
|
---|
| 445 |
|
---|
| 446 | ptepred = 0; /* initialize ptepred = 0 (no predecessor) */
|
---|
| 447 | ptecpos = 0; /* initialize ptecpos = 0 (no current patch */
|
---|
| 448 | ptesucc = 0; /* initialize ptesucc = 0 (no successor) */
|
---|
| 449 |
|
---|
| 450 | #if DEBUGFP
|
---|
| 451 | if (debugsw AND debugfp) {
|
---|
| 452 |
|
---|
| 453 | printf("findpte(): entry\n");
|
---|
| 454 |
|
---|
| 455 | printf(" ptb $%04.4X $%04.4X $%04.4X $%04.4X $%04.4X $%04.4X\n",
|
---|
| 456 | ptebuf.defnum, ptebuf.stmnum, ptebuf.paspec,
|
---|
| 457 | ptebuf.pasuba, ptebuf.padat1, ptebuf.padat2);
|
---|
| 458 | }
|
---|
| 459 | #endif
|
---|
| 460 |
|
---|
| 461 | /* try to find the STM chain index for the patch in stmptr[] */
|
---|
| 462 |
|
---|
| 463 | if (0 EQ (istim = stmptr[TRG_MASK & ptebuf.stmnum])) {
|
---|
| 464 |
|
---|
| 465 | #if DEBUGFP
|
---|
| 466 | if (debugsw AND debugfp) {
|
---|
| 467 |
|
---|
| 468 | printf("findpte(): 1 -- NO STM -- ");
|
---|
| 469 | printf("pte pred: %3d cpos: %3d succ: %3d\n",
|
---|
| 470 | ptepred, ptecpos, ptesucc);
|
---|
| 471 | }
|
---|
| 472 | #endif
|
---|
| 473 |
|
---|
| 474 | return(1); /* +1 = new patch -- no STM entry yet */
|
---|
| 475 | }
|
---|
| 476 |
|
---|
| 477 | /* |
---|
| 478 |
|
---|
| 479 | */
|
---|
| 480 |
|
---|
| 481 | while (istim) { /* search the STM chain */
|
---|
| 482 |
|
---|
| 483 | /* compare ptebuf to patches[istim] */
|
---|
| 484 |
|
---|
| 485 | if (1 NE (c = cprpte(istim))) {
|
---|
| 486 |
|
---|
| 487 | if (c EQ 0) { /* if we find the patch ... */
|
---|
| 488 |
|
---|
| 489 | ptecpos = istim; /* ... point at it */
|
---|
| 490 | ptesucc = patches[istim].nextstm;
|
---|
| 491 |
|
---|
| 492 | }
|
---|
| 493 |
|
---|
| 494 | #if DEBUGFP
|
---|
| 495 | if (debugsw AND debugfp) {
|
---|
| 496 |
|
---|
| 497 | printf("findpte(): %d -- %s -- ", c,
|
---|
| 498 | c ? "NOT FOUND (>)" : "FOUND");
|
---|
| 499 |
|
---|
| 500 | printf("pte pred: %3d cpos: %3d succ: %3d\n",
|
---|
| 501 | ptepred, ptecpos, ptesucc);
|
---|
| 502 | }
|
---|
| 503 | #endif
|
---|
| 504 | return(c); /* return search result */
|
---|
| 505 | }
|
---|
| 506 |
|
---|
| 507 | ptepred = istim; /* point at next entry in STM chain */
|
---|
| 508 | istim = patches[istim].nextstm;
|
---|
| 509 | }
|
---|
| 510 |
|
---|
| 511 | #if DEBUGFP
|
---|
| 512 | if (debugsw AND debugfp) {
|
---|
| 513 |
|
---|
| 514 | printf("findpte(): -1 -- NOT FOUND (<) -- ");
|
---|
| 515 | printf("pte pred: %3d cpos: %3d succ: %3d\n",
|
---|
| 516 | ptepred, ptecpos, ptesucc);
|
---|
| 517 | }
|
---|
| 518 | #endif
|
---|
| 519 |
|
---|
| 520 | return(-1); /* -1 = new patch -- entry not in STM chain */
|
---|
[0580615] | 521 | }
|
---|
[f40a309] | 522 |
|
---|
[7258c6a] | 523 | /* |
---|
| 524 |
|
---|
[f40a309] | 525 | */
|
---|
| 526 |
|
---|
| 527 | /*
|
---|
| 528 | =============================================================================
|
---|
| 529 | entrpte() -- enter or update a patch table entry
|
---|
| 530 | =============================================================================
|
---|
| 531 | */
|
---|
| 532 |
|
---|
| 533 | void entrpte(void)
|
---|
| 534 | {
|
---|
| 535 | register int16_t c;
|
---|
| 536 | register uint16_t np, stim;
|
---|
| 537 |
|
---|
| 538 | ptegood = ptedfok AND ptestok AND ptedsok AND ptedtok;
|
---|
| 539 |
|
---|
| 540 | if (ptegood) {
|
---|
| 541 |
|
---|
| 542 | buf2pte();
|
---|
| 543 |
|
---|
| 544 | c = findpte();
|
---|
| 545 |
|
---|
| 546 | if (c EQ 0) { /* old patch -- just update it */
|
---|
| 547 |
|
---|
| 548 | memcpyw(&patches[ptecpos].defnum, &ptebuf.defnum, 6);
|
---|
| 549 |
|
---|
| 550 | patches[ptecpos].paspec |= PE_TBIT; /* define it */
|
---|
| 551 |
|
---|
| 552 | #if DEBUGEP
|
---|
| 553 | if (debugsw AND debugep) {
|
---|
| 554 |
|
---|
| 555 | if (snapep)
|
---|
| 556 | SnapPTV("entrpte");
|
---|
| 557 |
|
---|
| 558 | printf("entrpte(): UPDATED\n");
|
---|
| 559 | }
|
---|
| 560 | #endif
|
---|
| 561 |
|
---|
| 562 | return;
|
---|
| 563 | }
|
---|
| 564 | /* |
---|
| 565 |
|
---|
| 566 | */
|
---|
| 567 | /* allocate a patch entry and fill it in */
|
---|
| 568 |
|
---|
| 569 | if (0 EQ (ptecpos = pt_alc())) {
|
---|
| 570 |
|
---|
| 571 | #if DEBUGEP
|
---|
| 572 | if (debugsw AND debugep)
|
---|
| 573 | printf("entrpte(): patch table FULL\n");
|
---|
| 574 | #endif
|
---|
| 575 | return; /* no patch entries left */
|
---|
| 576 | }
|
---|
| 577 |
|
---|
| 578 | memcpyw(&patches[ptecpos].defnum, &ptebuf.defnum, 6);
|
---|
| 579 | patches[ptecpos].paspec |= PE_TBIT; /* define it */
|
---|
| 580 | stim = TRG_MASK & ptebuf.stmnum;
|
---|
| 581 |
|
---|
| 582 | if (c EQ 1) { /* new patch -- no STM entry yet */
|
---|
| 583 |
|
---|
| 584 | ptepred = 0;
|
---|
| 585 | stmptr[stim] = ptecpos;
|
---|
| 586 | }
|
---|
| 587 | /* |
---|
| 588 |
|
---|
| 589 | */
|
---|
| 590 | /* put patch in STM chain */
|
---|
| 591 |
|
---|
| 592 | if (ptepred) { /* predecessor exits */
|
---|
| 593 |
|
---|
| 594 | ptesucc = patches[ptepred].nextstm;
|
---|
| 595 |
|
---|
| 596 | patches[ptecpos].nextstm = ptesucc;
|
---|
| 597 | patches[ptecpos].prevstm = ptepred;
|
---|
| 598 |
|
---|
| 599 | patches[ptepred].nextstm = ptecpos;
|
---|
| 600 |
|
---|
| 601 | if (ptesucc)
|
---|
| 602 | patches[ptesucc].prevstm = ptecpos;
|
---|
| 603 |
|
---|
| 604 | } else { /* no predecessor */
|
---|
| 605 |
|
---|
| 606 | patches[ptecpos].prevstm = 0;
|
---|
| 607 |
|
---|
| 608 | if (c EQ -1) {
|
---|
| 609 |
|
---|
| 610 | ptesucc = stmptr[stim];
|
---|
| 611 |
|
---|
| 612 | patches[ptecpos].nextstm = ptesucc;
|
---|
| 613 |
|
---|
| 614 | patches[ptesucc].prevstm = ptecpos;
|
---|
| 615 |
|
---|
| 616 | stmptr[stim] = ptecpos;
|
---|
| 617 |
|
---|
| 618 | } else {
|
---|
| 619 |
|
---|
| 620 | patches[ptecpos].nextstm = 0;
|
---|
| 621 | }
|
---|
| 622 | }
|
---|
| 623 | /* |
---|
| 624 |
|
---|
| 625 | */
|
---|
| 626 | /* update DEF table */
|
---|
| 627 |
|
---|
| 628 | if (0 EQ (c = finddpe())) {
|
---|
| 629 |
|
---|
| 630 | #if DEBUGEP
|
---|
| 631 | if (debugsw AND debugep)
|
---|
| 632 | printf("entrpte(): defent already exists\n");
|
---|
| 633 | #endif
|
---|
| 634 | return; /* defent already exists */
|
---|
| 635 | }
|
---|
| 636 |
|
---|
| 637 | if (0 EQ (dpecpos = dt_alc())) {
|
---|
| 638 |
|
---|
| 639 | #if DEBUGEP
|
---|
| 640 | if (debugsw AND debugep)
|
---|
| 641 | printf("entrpte(): defent table FULL\n");
|
---|
| 642 | #endif
|
---|
| 643 | return; /* no defents left */
|
---|
| 644 | }
|
---|
| 645 |
|
---|
| 646 | defents[dpecpos].nextdef = 0;
|
---|
| 647 | defents[dpecpos].stm = ptestm;
|
---|
| 648 | defents[dpecpos].adspec = ptespec;
|
---|
| 649 | defents[dpecpos].adsuba = ptesuba;
|
---|
| 650 | defents[dpecpos].addat1 = ptedat1;
|
---|
| 651 |
|
---|
| 652 | np = TRG_MASK & ptebuf.defnum;
|
---|
| 653 |
|
---|
| 654 | if (c EQ 1) {
|
---|
| 655 |
|
---|
| 656 | dpepred = 0;
|
---|
| 657 | defptr[np] = dpecpos;
|
---|
| 658 | }
|
---|
| 659 |
|
---|
| 660 | if (dpepred) {
|
---|
| 661 |
|
---|
| 662 | dpesucc = defents[dpepred].nextdef;
|
---|
| 663 | defents[dpecpos].nextdef = dpesucc;
|
---|
| 664 | defents[dpepred].nextdef = dpecpos;
|
---|
| 665 |
|
---|
| 666 | } else {
|
---|
| 667 |
|
---|
| 668 | if (c EQ -1) {
|
---|
| 669 |
|
---|
| 670 | dpesucc = defptr[np];
|
---|
| 671 | defents[dpecpos].nextdef = dpesucc;
|
---|
| 672 | defptr[np] = dpecpos;
|
---|
| 673 |
|
---|
| 674 | } else {
|
---|
| 675 |
|
---|
| 676 | defents[dpecpos].nextdef = 0;
|
---|
| 677 | }
|
---|
| 678 | }
|
---|
| 679 |
|
---|
| 680 | #if DEBUGEP
|
---|
| 681 | if (debugsw AND debugep) {
|
---|
| 682 |
|
---|
| 683 | if (snapep)
|
---|
| 684 | SnapPTV("entrpte");
|
---|
| 685 |
|
---|
| 686 | printf("entrpte(): ENTERED\n");
|
---|
| 687 | }
|
---|
| 688 | #endif
|
---|
| 689 | return;
|
---|
| 690 | }
|
---|
| 691 |
|
---|
| 692 | #if DEBUGEP
|
---|
| 693 | if (debugsw AND debugep) {
|
---|
| 694 |
|
---|
| 695 | if (snapep)
|
---|
| 696 | SnapPTV("entrpte");
|
---|
[7258c6a] | 697 |
|
---|
[f40a309] | 698 | printf("entrpte(): INVALID\n");
|
---|
[7258c6a] | 699 | }
|
---|
[f40a309] | 700 | #endif
|
---|
| 701 | }
|
---|
| 702 |
|
---|
| 703 | /* |
---|
| 704 |
|
---|
| 705 | */
|
---|
| 706 |
|
---|
| 707 | /*
|
---|
| 708 | =============================================================================
|
---|
| 709 | find1st() -- find the first patch in the patch table
|
---|
| 710 | =============================================================================
|
---|
| 711 | */
|
---|
| 712 |
|
---|
| 713 | int16_t find1st(void)
|
---|
[7258c6a] | 714 | {
|
---|
[f40a309] | 715 | register int16_t cp, pp;
|
---|
[7258c6a] | 716 |
|
---|
[f40a309] | 717 | for (cp = 0; cp < NDEFSTMS; cp++)
|
---|
| 718 | if (0 NE (pp = ADR_MASK & stmptr[cp]))
|
---|
| 719 | return(pp);
|
---|
| 720 |
|
---|
| 721 | return(0);
|
---|
| 722 | }
|
---|
| 723 |
|
---|
| 724 | /*
|
---|
| 725 | =============================================================================
|
---|
| 726 | findnxt() -- find the next patch in the patch table
|
---|
| 727 | =============================================================================
|
---|
| 728 | */
|
---|
| 729 |
|
---|
| 730 | int16_t findnxt(int16_t cp)
|
---|
| 731 | {
|
---|
| 732 | register int16_t np, stim;
|
---|
| 733 |
|
---|
| 734 | if (0 NE (np = patches[cp].nextstm))
|
---|
| 735 | return(np);
|
---|
| 736 |
|
---|
| 737 | stim = TRG_MASK & patches[cp].stmnum;
|
---|
| 738 |
|
---|
[7258c6a] | 739 | while (++stim < NDEFSTMS)
|
---|
[f40a309] | 740 | if (0 NE (np = ADR_MASK & stmptr[stim]))
|
---|
[7258c6a] | 741 | return(np);
|
---|
[f40a309] | 742 |
|
---|
| 743 | return(0);
|
---|
| 744 | }
|
---|
| 745 |
|
---|
| 746 | /* |
---|
| 747 |
|
---|
| 748 | */
|
---|
| 749 |
|
---|
| 750 | /*
|
---|
| 751 | =============================================================================
|
---|
| 752 | findprv() -- find the previous patch in the patch table
|
---|
| 753 | =============================================================================
|
---|
| 754 | */
|
---|
| 755 |
|
---|
| 756 | int16_t findprv(int16_t cp)
|
---|
| 757 | {
|
---|
| 758 | register int16_t np, pp, stim;
|
---|
| 759 |
|
---|
| 760 | if (0 NE (np = patches[cp].prevstm)) /* return prevstm if set */
|
---|
| 761 | return(np);
|
---|
| 762 |
|
---|
| 763 | stim = TRG_MASK & patches[cp].stmnum; /* extract the stimulus */
|
---|
| 764 |
|
---|
| 765 | while (--stim GE 0) { /* back up one stimulus if we can */
|
---|
| 766 |
|
---|
| 767 | if (0 NE (np = ADR_MASK & stmptr[stim])) { /* any there ? */
|
---|
| 768 |
|
---|
| 769 | /* find the end of the chain for the stimulus */
|
---|
| 770 |
|
---|
| 771 | while (pp = patches[np].nextstm)
|
---|
| 772 | np = pp;
|
---|
[7258c6a] | 773 |
|
---|
[f40a309] | 774 | return(np);
|
---|
[7258c6a] | 775 | }
|
---|
[f40a309] | 776 | }
|
---|
| 777 |
|
---|
| 778 | return(0); /* backed up to the start of the table */
|
---|
| 779 | }
|
---|
| 780 |
|
---|
| 781 | /* |
---|
| 782 |
|
---|
| 783 | */
|
---|
| 784 |
|
---|
| 785 | /*
|
---|
| 786 | =============================================================================
|
---|
| 787 | dpte() -- display a patch at a given line on the screen
|
---|
[9519422] | 788 | =============================================================================
|
---|
[f40a309] | 789 | */
|
---|
| 790 |
|
---|
| 791 | void dpte(int16_t pe, int16_t row, int16_t atr)
|
---|
| 792 | {
|
---|
| 793 | register int16_t i;
|
---|
| 794 |
|
---|
| 795 | memset(ptdsbuf, ' ', 50);
|
---|
| 796 |
|
---|
| 797 | if (pe) {
|
---|
| 798 |
|
---|
| 799 | dspdfst(&ptdsbuf[ 2], patches[pe].defnum);
|
---|
| 800 | dspdfst(&ptdsbuf[15], patches[pe].stmnum);
|
---|
| 801 | dspdest(&ptdsbuf[28], &patches[pe]);
|
---|
| 802 |
|
---|
| 803 | for (i = 0; i < 50; i++)
|
---|
| 804 | if (ptdsbuf[i] EQ '\0')
|
---|
[0580615] | 805 | ptdsbuf[i] = ' ';
|
---|
[f40a309] | 806 |
|
---|
[7258c6a] | 807 | ptdsbuf[48] = '\0';
|
---|
[f40a309] | 808 | }
|
---|
| 809 |
|
---|
| 810 | UpdVid(row, 0, "\260 ", PTBATR);
|
---|
| 811 | UpdVid(row, 1, &ptdsbuf[1], atr);
|
---|
| 812 | }
|
---|
| 813 |
|
---|
| 814 | /* |
---|
| 815 |
|
---|
| 816 | */
|
---|
| 817 |
|
---|
| 818 | /*
|
---|
| 819 | =============================================================================
|
---|
| 820 | dptw() -- display window around current patch at ptecpos
|
---|
| 821 | =============================================================================
|
---|
| 822 | */
|
---|
| 823 |
|
---|
| 824 | void dptw(void)
|
---|
| 825 | {
|
---|
| 826 | register int16_t cp, r, row, pp;
|
---|
| 827 |
|
---|
| 828 | #if DEBUGDP
|
---|
| 829 | if (debugsw AND debugdp)
|
---|
| 830 | printf("dptw(): ENTRY ptecpos = %d\n", ptecpos);
|
---|
| 831 | #endif
|
---|
| 832 |
|
---|
| 833 | if (ptecpos) {
|
---|
| 834 |
|
---|
| 835 | /* search back from ptecpos for predecessors */
|
---|
| 836 |
|
---|
| 837 | row = 7;
|
---|
| 838 | pp = ptecpos;
|
---|
| 839 |
|
---|
| 840 | while (0 NE (cp = findprv(pp))) {
|
---|
| 841 |
|
---|
| 842 | pp = cp;
|
---|
| 843 |
|
---|
| 844 | if (--row EQ 0)
|
---|
| 845 | break;
|
---|
| 846 | }
|
---|
| 847 |
|
---|
| 848 | #if DEBUGDP
|
---|
| 849 | if (debugsw AND debugdp)
|
---|
| 850 | printf("dptw(): backed up to row = %d pp = %d\n", row, pp);
|
---|
| 851 | #endif
|
---|
| 852 |
|
---|
| 853 | if (row) { /* blank any unused lines (rows 0..6) */
|
---|
| 854 |
|
---|
| 855 | for (r = 0; r < row; r++)
|
---|
| 856 | dpte(0, r, PTPATR);
|
---|
| 857 | }
|
---|
| 858 |
|
---|
| 859 | while (row < 7) { /* display predecessors (rows 0..6) */
|
---|
| 860 |
|
---|
| 861 | dpte(pp, row++, PTPATR);
|
---|
| 862 | pp = findnxt(pp);
|
---|
| 863 | }
|
---|
| 864 | /* |
---|
| 865 |
|
---|
| 866 | */
|
---|
| 867 | /* display ptecpos at the center (row 7) */
|
---|
| 868 |
|
---|
| 869 | #if DEBUGDP
|
---|
| 870 | if (debugsw AND debugdp)
|
---|
[9519422] | 871 | printf("dptw(): row = %d pp = %d ptecpos = %d\n",
|
---|
[f40a309] | 872 | row, pp, ptecpos);
|
---|
| 873 | #endif
|
---|
| 874 |
|
---|
| 875 | dpte(pp, row++, PTEATR);
|
---|
| 876 |
|
---|
| 877 | /* display forward from ptecpos (rows 8..15) */
|
---|
| 878 |
|
---|
| 879 | while (0 NE (pp = findnxt(pp))) {
|
---|
| 880 |
|
---|
| 881 | dpte(pp, row++, PTPATR);
|
---|
| 882 |
|
---|
| 883 | if (row > 15)
|
---|
| 884 | break;
|
---|
| 885 | }
|
---|
| 886 |
|
---|
| 887 | /* blank any unused display lines (rows 8..15) */
|
---|
| 888 | while (row < 16)
|
---|
| 889 | dpte(0, row++, PTPATR);
|
---|
| 890 | /* |
---|
| 891 |
|
---|
| 892 | */
|
---|
| 893 | } else {
|
---|
| 894 |
|
---|
| 895 | if (0 NE (ptecpos = find1st())) {
|
---|
| 896 |
|
---|
| 897 | #if DEBUGDP
|
---|
| 898 | if (debugsw AND debugdp)
|
---|
| 899 | printf("dptw(): found 1st at %d\n", ptecpos);
|
---|
| 900 | #endif
|
---|
| 901 |
|
---|
| 902 | /* clear lines above the center (rows 0..6) */
|
---|
| 903 |
|
---|
| 904 | for (row = 0; row < 7; ++row)
|
---|
| 905 | dpte(0, row, PTPATR);
|
---|
| 906 |
|
---|
| 907 | /* display ptecpos at the center (row 7) */
|
---|
| 908 |
|
---|
| 909 | dpte(pp = ptecpos, row++, PTEATR);
|
---|
| 910 |
|
---|
| 911 | /* display forward from ptecpos (rows 8..15) */
|
---|
| 912 |
|
---|
| 913 | while (0 NE (pp = findnxt(pp))) {
|
---|
| 914 |
|
---|
| 915 | dpte(pp, row++, PTPATR);
|
---|
| 916 |
|
---|
| 917 | if (row > 15)
|
---|
| 918 | break;
|
---|
| 919 | }
|
---|
| 920 |
|
---|
| 921 | /* blank any unused display lines (rows 8..15) */
|
---|
| 922 |
|
---|
| 923 | while (row < 16)
|
---|
| 924 | dpte(0, row++, PTPATR);
|
---|
| 925 | /* |
---|
| 926 |
|
---|
| 927 | */
|
---|
| 928 | } else {
|
---|
| 929 |
|
---|
| 930 | #if DEBUGDP
|
---|
| 931 | if (debugsw AND debugdp)
|
---|
| 932 | printf("dptw(): no patches to display\n");
|
---|
| 933 | #endif
|
---|
| 934 |
|
---|
| 935 | /* clear the patch display */
|
---|
| 936 |
|
---|
| 937 | for (row = 0; row < 16; ++row)
|
---|
| 938 | dpte(0, row, (row EQ 7) ? PTEATR : PTPATR);
|
---|
| 939 | }
|
---|
| 940 | }
|
---|
| 941 |
|
---|
| 942 | if (ptecpos) {
|
---|
| 943 |
|
---|
| 944 | memcpyw(&ptebuf.defnum, &patches[ptecpos].defnum, 6);
|
---|
| 945 | pteset = TRUE;
|
---|
| 946 | pte2buf();
|
---|
| 947 |
|
---|
| 948 | #if DEBUGDP
|
---|
| 949 | if (debugsw AND debugdp)
|
---|
| 950 | printf("dptw(): EXIT -- LOADED buffer, ptecpos = %d\n",
|
---|
| 951 | ptecpos);
|
---|
| 952 | #endif
|
---|
| 953 |
|
---|
| 954 | } else {
|
---|
| 955 |
|
---|
[0580615] | 956 | pteset = FALSE;
|
---|
[f40a309] | 957 | voidpb();
|
---|
[7258c6a] | 958 |
|
---|
[f40a309] | 959 | #if DEBUGDP
|
---|
| 960 | if (debugsw AND debugdp)
|
---|
| 961 | printf("dptw(): EXIT -- VOIDED buffer, ptecpos = %d\n",
|
---|
| 962 | ptecpos);
|
---|
| 963 | #endif
|
---|
| 964 |
|
---|
| 965 |
|
---|
| 966 | }
|
---|
| 967 | }
|
---|
| 968 |
|
---|
| 969 | /* |
---|
| 970 |
|
---|
| 971 | */
|
---|
| 972 |
|
---|
| 973 | /*
|
---|
| 974 | =============================================================================
|
---|
| 975 | srdspte() -- search for and display patch table entry
|
---|
| 976 | =============================================================================
|
---|
| 977 | */
|
---|
| 978 |
|
---|
| 979 | void srdspte(void)
|
---|
| 980 | {
|
---|
| 981 | int16_t oldcpos, oldpred, oldsucc;
|
---|
| 982 | #if DEBUGSR
|
---|
| 983 | register short i;
|
---|
| 984 | char dbuf[50];
|
---|
| 985 | #endif
|
---|
| 986 |
|
---|
| 987 | ptegood = ptedfok AND ptestok AND ptedsok AND ptedtok;
|
---|
| 988 |
|
---|
| 989 | #if DEBUGSR
|
---|
| 990 | if (debugsw AND debugsr) {
|
---|
| 991 |
|
---|
| 992 | printf("srdspte(): ENTRY pte good=%d dfok=%d stok=%d dsok=%d dtok=%d\n",
|
---|
| 993 | ptegood, ptedfok, ptestok, ptedsok, ptedtok);
|
---|
| 994 |
|
---|
| 995 | memcpy(dbuf, ptdebuf, 48);
|
---|
| 996 |
|
---|
| 997 | for (i = 0; i < 48; i++)
|
---|
| 998 | if (dbuf[i] EQ '\0')
|
---|
| 999 | dbuf[i] = ' ';
|
---|
| 1000 | else if (dbuf[i] & 0x0080)
|
---|
| 1001 | dbuf[i] = '~';
|
---|
| 1002 |
|
---|
| 1003 | dbuf[48] = '\0';
|
---|
| 1004 |
|
---|
| 1005 | printf(" ptdebuf = \"%s\"\n", dbuf);
|
---|
| 1006 | }
|
---|
| 1007 | #endif
|
---|
| 1008 |
|
---|
| 1009 | if (ptegood) {
|
---|
| 1010 |
|
---|
| 1011 | oldcpos = ptecpos; /* save patch pointers */
|
---|
| 1012 | oldpred = ptepred;
|
---|
| 1013 | oldsucc = ptesucc;
|
---|
| 1014 |
|
---|
| 1015 | buf2pte();
|
---|
| 1016 |
|
---|
| 1017 | if (0 EQ findpte()) {
|
---|
| 1018 |
|
---|
| 1019 | #if DEBUGSR
|
---|
| 1020 | if (debugsw AND debugsr)
|
---|
| 1021 | printf("srdspte(): FOUND patch at ptecpos = %d\n", ptecpos);
|
---|
| 1022 | #endif
|
---|
| 1023 |
|
---|
| 1024 | memcpyw(&ptebuf.defnum, &patches[ptecpos].defnum, 6);
|
---|
| 1025 | pteset = TRUE;
|
---|
| 1026 | pte2buf();
|
---|
| 1027 | dptw();
|
---|
| 1028 |
|
---|
| 1029 | } else {
|
---|
| 1030 |
|
---|
| 1031 | ptecpos = oldcpos; /* restore patch pointers */
|
---|
| 1032 | ptepred = oldpred;
|
---|
| 1033 | ptesucc = oldsucc;
|
---|
| 1034 |
|
---|
| 1035 | #if DEBUGSR
|
---|
| 1036 | if (debugsw AND debugsr) {
|
---|
| 1037 |
|
---|
| 1038 | printf("srdspte(): patch not found\n");
|
---|
| 1039 |
|
---|
| 1040 | if (snapsr)
|
---|
| 1041 | SnapPTV("srdspte");
|
---|
[7258c6a] | 1042 |
|
---|
[f40a309] | 1043 | }
|
---|
| 1044 | #endif
|
---|
| 1045 |
|
---|
[7258c6a] | 1046 | }
|
---|
| 1047 | }
|
---|
[f40a309] | 1048 |
|
---|
| 1049 | #if DEBUGSR
|
---|
| 1050 | if (debugsw AND debugsr)
|
---|
| 1051 | printf("srdspte(): EXIT -- ptecpos = %d\n", ptecpos);
|
---|
| 1052 | #endif
|
---|
| 1053 |
|
---|
| 1054 | }
|
---|
| 1055 |
|
---|
| 1056 | /* |
---|
| 1057 |
|
---|
| 1058 | */
|
---|
| 1059 |
|
---|
| 1060 | /*
|
---|
| 1061 | =============================================================================
|
---|
| 1062 | stmproc() -- process a trigger as a definer and a stimulus
|
---|
| 1063 | =============================================================================
|
---|
| 1064 | */
|
---|
| 1065 |
|
---|
| 1066 | void stmproc(uint16_t trg)
|
---|
| 1067 | {
|
---|
| 1068 | register struct defent *nextdef;
|
---|
| 1069 | register struct patch *nextpch;
|
---|
| 1070 | register uint16_t adspec, adsuba, np, stim;
|
---|
| 1071 | uint16_t addat1, adrtag;
|
---|
| 1072 |
|
---|
| 1073 | /* ***** DEFINER PROCESSING PHASE ***** */
|
---|
| 1074 |
|
---|
| 1075 | np = ADR_MASK & defptr[TRG_MASK & trg];
|
---|
| 1076 | nextdef = np ? &defents[np] : (struct defent *)NULL; /* point at DEF chain */
|
---|
| 1077 |
|
---|
| 1078 | /* |
---|
| 1079 |
|
---|
| 1080 | */
|
---|
| 1081 | while ((struct defent *)NULL NE nextdef) { /* process DEF chain */
|
---|
| 1082 |
|
---|
| 1083 | /* setup search criteria */
|
---|
| 1084 |
|
---|
| 1085 | adspec = nextdef->adspec;
|
---|
| 1086 | adsuba = nextdef->adsuba;
|
---|
| 1087 | addat1 = nextdef->addat1;
|
---|
| 1088 | stim = nextdef->stm;
|
---|
| 1089 | adrtag = dmatch[adspec];
|
---|
| 1090 |
|
---|
| 1091 | /* point at the start of the STM chain */
|
---|
| 1092 |
|
---|
| 1093 | np = ADR_MASK & stmptr[TRG_MASK & stim];
|
---|
| 1094 | nextpch = np ? &patches[np] : (struct patch *)NULL;
|
---|
| 1095 |
|
---|
| 1096 | while ((struct patch *)NULL NE nextpch) { /* process STM chain */
|
---|
| 1097 |
|
---|
| 1098 | /* if this patch matches our search criteria ... */
|
---|
| 1099 |
|
---|
| 1100 | if ((stim EQ nextpch->stmnum) AND
|
---|
| 1101 | (adspec EQ (nextpch->paspec & PE_SPEC)) AND
|
---|
| 1102 | (adsuba EQ nextpch->pasuba)) {
|
---|
| 1103 |
|
---|
| 1104 | if ((NOT adrtag) OR
|
---|
| 1105 | (adrtag AND addat1 EQ nextpch->padat1)) {
|
---|
| 1106 |
|
---|
| 1107 | if (nextpch->defnum EQ trg)
|
---|
| 1108 | nextpch->paspec |= PE_TBIT; /* define */
|
---|
| 1109 | else
|
---|
| 1110 | nextpch->paspec &= ~PE_TBIT; /* undefine */
|
---|
| 1111 | }
|
---|
| 1112 | }
|
---|
| 1113 |
|
---|
| 1114 | /* point at the next patch in the STM chain */
|
---|
| 1115 |
|
---|
| 1116 | np = nextpch->nextstm;
|
---|
| 1117 | nextpch = np ? &patches[np] : (struct patch *)NULL;
|
---|
| 1118 | }
|
---|
| 1119 |
|
---|
| 1120 | /* point at the next DEF entry */
|
---|
| 1121 |
|
---|
| 1122 | np = nextdef->nextdef;
|
---|
| 1123 | nextdef = np ? &defents[np] : (struct defent *)NULL;
|
---|
| 1124 | }
|
---|
| 1125 | /* |
---|
| 1126 |
|
---|
| 1127 | */
|
---|
| 1128 |
|
---|
| 1129 | /* ***** STIMULUS PROCESSING PHASE ***** */
|
---|
| 1130 |
|
---|
| 1131 | /* setup initial STM chain pointer */
|
---|
| 1132 |
|
---|
| 1133 | np = ADR_MASK & stmptr[TRG_MASK & trg];
|
---|
| 1134 | nextpch = np ? &patches[np] : (struct patch *)NULL;
|
---|
| 1135 |
|
---|
| 1136 | /* process the STM chain */
|
---|
| 1137 |
|
---|
| 1138 | while ((struct patch *)NULL NE nextpch) { /* for each patch .. */
|
---|
| 1139 |
|
---|
| 1140 | if ((nextpch->paspec & PE_TBIT) AND /* if it's defined ... */
|
---|
| 1141 | (nextpch->stmnum EQ trg)) /* ... and stm matches */
|
---|
| 1142 | dopatch(nextpch); /* ... do the patch */
|
---|
| 1143 |
|
---|
| 1144 | /* point at the next patch */
|
---|
| 1145 |
|
---|
| 1146 | np = nextpch->nextstm;
|
---|
| 1147 | nextpch = np ? &patches[np] : (struct patch *)NULL;
|
---|
| 1148 | }
|
---|
| 1149 | }
|
---|