| 1 | /* Copyright (c) 1979 Regents of the University of California */ |
| 2 | |
| 3 | static char sccsid[] = "@(#)interp.c 1.9 %G%"; |
| 4 | |
| 5 | #include <math.h> |
| 6 | #include "whoami.h" |
| 7 | #include "objfmt.h" |
| 8 | #include "vars.h" |
| 9 | #include "panics.h" |
| 10 | #include "h02opcs.h" |
| 11 | #include "machdep.h" |
| 12 | #include "h01errs.h" |
| 13 | #include "libpc.h" |
| 14 | |
| 15 | /* |
| 16 | * program variables |
| 17 | */ |
| 18 | union disply _display; |
| 19 | struct disp *_dp; |
| 20 | long _lino = 0; |
| 21 | int _argc; |
| 22 | char **_argv; |
| 23 | long _mode; |
| 24 | bool _runtst = TRUE; |
| 25 | bool _nodump = FALSE; |
| 26 | long _stlim = 500000; |
| 27 | long _stcnt = 0; |
| 28 | long _seed = 1; |
| 29 | #ifdef VAX |
| 30 | char *_minptr = (char *)0x7fffffff; |
| 31 | #else |
| 32 | char *_minptr = (char *)0xffff; |
| 33 | #endif VAX |
| 34 | char *_maxptr = (char *)0; |
| 35 | long *_pcpcount = (long *)0; |
| 36 | long _cntrs = 0; |
| 37 | long _rtns = 0; |
| 38 | |
| 39 | /* |
| 40 | * standard files |
| 41 | */ |
| 42 | char _inwin, _outwin, _errwin; |
| 43 | struct iorechd _err = { |
| 44 | &_errwin, /* fileptr */ |
| 45 | 0, /* lcount */ |
| 46 | 0x7fffffff, /* llimit */ |
| 47 | &_iob[2], /* fbuf */ |
| 48 | FILNIL, /* fchain */ |
| 49 | STDLVL, /* flev */ |
| 50 | "Message file", /* pfname */ |
| 51 | FTEXT | FWRITE | EOFF, /* funit */ |
| 52 | 2, /* fblk */ |
| 53 | 1 /* fsize */ |
| 54 | }; |
| 55 | struct iorechd output = { |
| 56 | &_outwin, /* fileptr */ |
| 57 | 0, /* lcount */ |
| 58 | 0x7fffffff, /* llimit */ |
| 59 | &_iob[1], /* fbuf */ |
| 60 | ERR, /* fchain */ |
| 61 | STDLVL, /* flev */ |
| 62 | "standard output", /* pfname */ |
| 63 | FTEXT | FWRITE | EOFF, /* funit */ |
| 64 | 1, /* fblk */ |
| 65 | 1 /* fsize */ |
| 66 | }; |
| 67 | struct iorechd input = { |
| 68 | &_inwin, /* fileptr */ |
| 69 | 0, /* lcount */ |
| 70 | 0x7fffffff, /* llimit */ |
| 71 | &_iob[0], /* fbuf */ |
| 72 | OUTPUT, /* fchain */ |
| 73 | STDLVL, /* flev */ |
| 74 | "standard input", /* pfname */ |
| 75 | FTEXT | FREAD | SYNC, /* funit */ |
| 76 | 0, /* fblk */ |
| 77 | 1 /* fsize */ |
| 78 | }; |
| 79 | |
| 80 | /* |
| 81 | * file record variables |
| 82 | */ |
| 83 | long _filefre = PREDEF; |
| 84 | struct iorechd _fchain = { |
| 85 | 0, 0, 0, 0, /* only use fchain field */ |
| 86 | INPUT /* fchain */ |
| 87 | }; |
| 88 | struct iorec *_actfile[MAXFILES] = { |
| 89 | INPUT, |
| 90 | OUTPUT, |
| 91 | ERR |
| 92 | }; |
| 93 | |
| 94 | /* |
| 95 | * Px profile array |
| 96 | */ |
| 97 | #ifdef PROFILE |
| 98 | long _profcnts[NUMOPS]; |
| 99 | #endif PROFILE |
| 100 | |
| 101 | /* |
| 102 | * debugging variables |
| 103 | */ |
| 104 | #ifdef DEBUG |
| 105 | char opc[10]; |
| 106 | long opcptr = 9; |
| 107 | #endif DEBUG |
| 108 | \f |
| 109 | interpreter(base) |
| 110 | char *base; |
| 111 | { |
| 112 | union progcntr pc; /* interpreted program cntr */ |
| 113 | register char *vpc; /* register used for "pc" */ |
| 114 | struct iorec *curfile; /* active file */ |
| 115 | register struct stack *stp; /* active stack frame ptr */ |
| 116 | /* |
| 117 | * the following variables are used as scratch |
| 118 | */ |
| 119 | register char *tcp; |
| 120 | register long tl, tl1, tl2; |
| 121 | double td, td1; |
| 122 | struct sze8 t8; |
| 123 | long *tlp; |
| 124 | register short *tsp, *tsp1, ts; |
| 125 | bool tb; |
| 126 | char *tcp1; |
| 127 | struct stack *tstp; |
| 128 | struct formalrtn *tfp; |
| 129 | union progcntr tpc; |
| 130 | struct iorec **ip; |
| 131 | |
| 132 | /* |
| 133 | * Setup sets up any hardware specific parameters before |
| 134 | * starting the interpreter. Typically this is inline replaced |
| 135 | * by interp.sed to utilize specific machine instructions. |
| 136 | */ |
| 137 | setup(); |
| 138 | /* |
| 139 | * necessary only on systems which do not initialize |
| 140 | * memory to zero |
| 141 | */ |
| 142 | for (ip = &_actfile[3]; ip < &_actfile[MAXFILES]; *ip++ = FILNIL) |
| 143 | /* void */; |
| 144 | /* |
| 145 | * set up global environment, then ``call'' the main program |
| 146 | */ |
| 147 | _display.frame[0].locvars = pushsp((long)(2 * sizeof(struct iorec *))); |
| 148 | _display.frame[0].locvars += 2 * sizeof(struct iorec *); |
| 149 | *(struct iorec **)(_display.frame[0].locvars + OUTPUT_OFF) = OUTPUT; |
| 150 | *(struct iorec **)(_display.frame[0].locvars + INPUT_OFF) = INPUT; |
| 151 | stp = (struct stack *)pushsp((long)(sizeof(struct stack))); |
| 152 | _dp = &_display.frame[0]; |
| 153 | pc.cp = base; |
| 154 | for(;;) { |
| 155 | # ifdef DEBUG |
| 156 | if (++opcptr == 10) |
| 157 | opcptr = 0; |
| 158 | opc[opcptr] = *pc.ucp; |
| 159 | # endif DEBUG |
| 160 | # ifdef PROFILE |
| 161 | _profcnts[*pc.ucp]++; |
| 162 | # endif PROFILE |
| 163 | switch (*pc.ucp++) { |
| 164 | case O_NODUMP: |
| 165 | _nodump = TRUE; |
| 166 | /* and fall through */ |
| 167 | case O_BEG: |
| 168 | _dp += 1; /* enter local scope */ |
| 169 | stp->odisp = *_dp; /* save old display value */ |
| 170 | tl = *pc.ucp++; /* tl = name size */ |
| 171 | stp->entry = pc.hdrp; /* pointer to entry info */ |
| 172 | tl1 = pc.hdrp->framesze;/* tl1 = size of frame */ |
| 173 | _lino = pc.hdrp->offset; |
| 174 | _runtst = pc.hdrp->tests; |
| 175 | disableovrflo(); |
| 176 | if (_runtst) |
| 177 | enableovrflo(); |
| 178 | pc.cp += (int)tl; /* skip over proc hdr info */ |
| 179 | stp->file = curfile; /* save active file */ |
| 180 | tcp = pushsp(tl1); /* tcp = new top of stack */ |
| 181 | if (_runtst) /* zero stack frame */ |
| 182 | blkclr(tl1, tcp); |
| 183 | tcp += (int)tl1; /* offsets of locals are neg */ |
| 184 | _dp->locvars = tcp; /* set new display pointer */ |
| 185 | _dp->stp = stp; |
| 186 | stp->tos = pushsp((long)0); /* set tos pointer */ |
| 187 | continue; |
| 188 | case O_END: |
| 189 | PCLOSE(_dp->locvars); /* flush & close local files */ |
| 190 | stp = _dp->stp; |
| 191 | curfile = stp->file; /* restore old active file */ |
| 192 | *_dp = stp->odisp; /* restore old display entry */ |
| 193 | if (_dp == &_display.frame[1]) |
| 194 | return; /* exiting main proc ??? */ |
| 195 | _lino = stp->lino; /* restore lino, pc, dp */ |
| 196 | pc.cp = stp->pc.cp; |
| 197 | _dp = stp->dp; |
| 198 | _runtst = stp->entry->tests; |
| 199 | disableovrflo(); |
| 200 | if (_runtst) |
| 201 | enableovrflo(); |
| 202 | popsp(stp->entry->framesze + /* pop local vars */ |
| 203 | sizeof(struct stack) + /* pop stack frame */ |
| 204 | stp->entry->nargs); /* pop parms */ |
| 205 | continue; |
| 206 | case O_CALL: |
| 207 | tl = *pc.cp++; |
| 208 | tcp = base + *pc.lp++;/* calc new entry point */ |
| 209 | tcp += sizeof(short); |
| 210 | tcp = base + *(long *)tcp; |
| 211 | stp = (struct stack *) |
| 212 | pushsp((long)(sizeof(struct stack))); |
| 213 | stp->lino = _lino; /* save lino, pc, dp */ |
| 214 | stp->pc.cp = pc.cp; |
| 215 | stp->dp = _dp; |
| 216 | _dp = &_display.frame[tl]; /* set up new display ptr */ |
| 217 | pc.cp = tcp; |
| 218 | continue; |
| 219 | case O_FCALL: |
| 220 | tl = *pc.cp++; /* tl = number of args */ |
| 221 | if (tl == 0) |
| 222 | tl = *pc.lp++; |
| 223 | tfp = (struct formalrtn *)popaddr(); |
| 224 | stp = (struct stack *) |
| 225 | pushsp((long)(sizeof(struct stack))); |
| 226 | stp->lino = _lino; /* save lino, pc, dp */ |
| 227 | stp->pc.cp = pc.cp; |
| 228 | stp->dp = _dp; |
| 229 | pc.cp = tfp->entryaddr; /* calc new entry point */ |
| 230 | if (_runtst) { |
| 231 | tpc.sp = pc.sp + 1; |
| 232 | tl -= tpc.hdrp->nargs; |
| 233 | if (tl != 0) { |
| 234 | if (tl > 0) |
| 235 | tl += sizeof(int) - 1; |
| 236 | else |
| 237 | tl -= sizeof(int) - 1; |
| 238 | ERROR(ENARGS, tl / sizeof(int)); |
| 239 | } |
| 240 | } |
| 241 | _dp = &_display.frame[tfp->cbn];/* new display ptr */ |
| 242 | blkcpy(tfp->cbn * sizeof(struct disp), |
| 243 | &_display.frame[1], &tfp->disp[tfp->cbn]); |
| 244 | blkcpy(tfp->cbn * sizeof(struct disp), |
| 245 | &tfp->disp[0], &_display.frame[1]); |
| 246 | continue; |
| 247 | case O_FRTN: |
| 248 | tl = *pc.cp++; /* tl = size of return obj */ |
| 249 | if (tl == 0) |
| 250 | tl = *pc.usp++; |
| 251 | tcp = pushsp((long)(0)); |
| 252 | tfp = *(struct formalrtn **)(tcp + tl); |
| 253 | blkcpy(tl, tcp, tcp + sizeof(struct formalrtn *)); |
| 254 | popsp((long)(sizeof(struct formalrtn *))); |
| 255 | blkcpy(tfp->cbn * sizeof(struct disp), |
| 256 | &tfp->disp[tfp->cbn], &_display.frame[1]); |
| 257 | continue; |
| 258 | case O_FSAV: |
| 259 | tfp = (struct formalrtn *)popaddr(); |
| 260 | tfp->cbn = *pc.cp++; /* blk number of routine */ |
| 261 | tcp = base + *pc.lp++;/* calc new entry point */ |
| 262 | tcp += sizeof(short); |
| 263 | tfp->entryaddr = base + *(long *)tcp; |
| 264 | blkcpy(tfp->cbn * sizeof(struct disp), |
| 265 | &_display.frame[1], &tfp->disp[0]); |
| 266 | pushaddr(tfp); |
| 267 | continue; |
| 268 | case O_SDUP2: |
| 269 | pc.cp++; |
| 270 | tl = pop2(); |
| 271 | push2((short)(tl)); |
| 272 | push2((short)(tl)); |
| 273 | continue; |
| 274 | case O_SDUP4: |
| 275 | pc.cp++; |
| 276 | tl = pop4(); |
| 277 | push4(tl); |
| 278 | push4(tl); |
| 279 | continue; |
| 280 | case O_TRA: |
| 281 | pc.cp++; |
| 282 | pc.cp += *pc.sp; |
| 283 | continue; |
| 284 | case O_TRA4: |
| 285 | pc.cp++; |
| 286 | pc.cp = base + *pc.lp; |
| 287 | continue; |
| 288 | case O_GOTO: |
| 289 | tstp = _display.frame[*pc.cp++].stp; /* ptr to |
| 290 | exit frame */ |
| 291 | pc.cp = base + *pc.lp; |
| 292 | stp = _dp->stp; |
| 293 | while (tstp != stp) { |
| 294 | if (_dp == &_display.frame[1]) |
| 295 | ERROR(EGOTO); /* exiting prog ??? */ |
| 296 | PCLOSE(_dp->locvars); /* close local files */ |
| 297 | curfile = stp->file; /* restore active file */ |
| 298 | *_dp = stp->odisp; /* old display entry */ |
| 299 | _dp = stp->dp; /* restore dp */ |
| 300 | stp = _dp->stp; |
| 301 | } |
| 302 | /* pop locals, stack frame, parms, and return values */ |
| 303 | popsp((long)(stp->tos - pushsp((long)(0)))); |
| 304 | continue; |
| 305 | case O_LINO: |
| 306 | if (_dp->stp->tos != pushsp((long)(0))) |
| 307 | panic(PSTKNEMP); |
| 308 | _lino = *pc.cp++; /* set line number */ |
| 309 | if (_lino == 0) |
| 310 | _lino = *pc.sp++; |
| 311 | if (_runtst) { |
| 312 | LINO(); /* inc statement count */ |
| 313 | continue; |
| 314 | } |
| 315 | _stcnt++; |
| 316 | continue; |
| 317 | case O_PUSH: |
| 318 | tl = *pc.cp++; |
| 319 | if (tl == 0) |
| 320 | tl = *pc.usp++; |
| 321 | tl = (-tl + 1) & ~1; |
| 322 | tcp = pushsp(tl); |
| 323 | if (_runtst) |
| 324 | blkclr(tl, tcp); |
| 325 | continue; |
| 326 | case O_IF: |
| 327 | pc.cp++; |
| 328 | if (pop2()) { |
| 329 | pc.sp++; |
| 330 | continue; |
| 331 | } |
| 332 | pc.cp += *pc.sp; |
| 333 | continue; |
| 334 | case O_REL2: |
| 335 | tl = pop2(); |
| 336 | tl1 = pop2(); |
| 337 | goto cmplong; |
| 338 | case O_REL24: |
| 339 | tl = pop2(); |
| 340 | tl1 = pop4(); |
| 341 | goto cmplong; |
| 342 | case O_REL42: |
| 343 | tl = pop4(); |
| 344 | tl1 = pop2(); |
| 345 | goto cmplong; |
| 346 | case O_REL4: |
| 347 | tl = pop4(); |
| 348 | tl1 = pop4(); |
| 349 | cmplong: |
| 350 | tl2 = *pc.cp++; |
| 351 | switch (tl2) { |
| 352 | case releq: |
| 353 | push2(tl1 == tl); |
| 354 | continue; |
| 355 | case relne: |
| 356 | push2(tl1 != tl); |
| 357 | continue; |
| 358 | case rellt: |
| 359 | push2(tl1 < tl); |
| 360 | continue; |
| 361 | case relgt: |
| 362 | push2(tl1 > tl); |
| 363 | continue; |
| 364 | case relle: |
| 365 | push2(tl1 <= tl); |
| 366 | continue; |
| 367 | case relge: |
| 368 | push2(tl1 >= tl); |
| 369 | continue; |
| 370 | default: |
| 371 | panic(PSYSTEM); |
| 372 | continue; |
| 373 | } |
| 374 | case O_RELG: |
| 375 | tl2 = *pc.cp++; /* tc has jump opcode */ |
| 376 | tl = *pc.usp++; /* tl has comparison length */ |
| 377 | tl1 = (tl + 1) & ~1; /* tl1 has arg stack length */ |
| 378 | tcp = pushsp((long)(0));/* tcp pts to first arg */ |
| 379 | switch (tl2) { |
| 380 | case releq: |
| 381 | tb = RELEQ(tl, tcp + tl1, tcp); |
| 382 | break; |
| 383 | case relne: |
| 384 | tb = RELNE(tl, tcp + tl1, tcp); |
| 385 | break; |
| 386 | case rellt: |
| 387 | tb = RELSLT(tl, tcp + tl1, tcp); |
| 388 | break; |
| 389 | case relgt: |
| 390 | tb = RELSGT(tl, tcp + tl1, tcp); |
| 391 | break; |
| 392 | case relle: |
| 393 | tb = RELSLE(tl, tcp + tl1, tcp); |
| 394 | break; |
| 395 | case relge: |
| 396 | tb = RELSGE(tl, tcp + tl1, tcp); |
| 397 | break; |
| 398 | default: |
| 399 | panic(PSYSTEM); |
| 400 | break; |
| 401 | } |
| 402 | popsp(tl1 << 1); |
| 403 | push2((short)(tb)); |
| 404 | continue; |
| 405 | case O_RELT: |
| 406 | tl2 = *pc.cp++; /* tc has jump opcode */ |
| 407 | tl1 = *pc.usp++; /* tl1 has comparison length */ |
| 408 | tcp = pushsp((long)(0));/* tcp pts to first arg */ |
| 409 | switch (tl2) { |
| 410 | case releq: |
| 411 | tb = RELEQ(tl1, tcp + tl1, tcp); |
| 412 | break; |
| 413 | case relne: |
| 414 | tb = RELNE(tl1, tcp + tl1, tcp); |
| 415 | break; |
| 416 | case rellt: |
| 417 | tb = RELTLT(tl1, tcp + tl1, tcp); |
| 418 | break; |
| 419 | case relgt: |
| 420 | tb = RELTGT(tl1, tcp + tl1, tcp); |
| 421 | break; |
| 422 | case relle: |
| 423 | tb = RELTLE(tl1, tcp + tl1, tcp); |
| 424 | break; |
| 425 | case relge: |
| 426 | tb = RELTGE(tl1, tcp + tl1, tcp); |
| 427 | break; |
| 428 | default: |
| 429 | panic(PSYSTEM); |
| 430 | break; |
| 431 | } |
| 432 | popsp(tl1 << 1); |
| 433 | push2((short)(tb)); |
| 434 | continue; |
| 435 | case O_REL28: |
| 436 | td = pop2(); |
| 437 | td1 = pop8(); |
| 438 | goto cmpdbl; |
| 439 | case O_REL48: |
| 440 | td = pop4(); |
| 441 | td1 = pop8(); |
| 442 | goto cmpdbl; |
| 443 | case O_REL82: |
| 444 | td = pop8(); |
| 445 | td1 = pop2(); |
| 446 | goto cmpdbl; |
| 447 | case O_REL84: |
| 448 | td = pop8(); |
| 449 | td1 = pop4(); |
| 450 | goto cmpdbl; |
| 451 | case O_REL8: |
| 452 | td = pop8(); |
| 453 | td1 = pop8(); |
| 454 | cmpdbl: |
| 455 | switch (*pc.cp++) { |
| 456 | case releq: |
| 457 | push2(td1 == td); |
| 458 | continue; |
| 459 | case relne: |
| 460 | push2(td1 != td); |
| 461 | continue; |
| 462 | case rellt: |
| 463 | push2(td1 < td); |
| 464 | continue; |
| 465 | case relgt: |
| 466 | push2(td1 > td); |
| 467 | continue; |
| 468 | case relle: |
| 469 | push2(td1 <= td); |
| 470 | continue; |
| 471 | case relge: |
| 472 | push2(td1 >= td); |
| 473 | continue; |
| 474 | default: |
| 475 | panic(PSYSTEM); |
| 476 | continue; |
| 477 | } |
| 478 | case O_AND: |
| 479 | pc.cp++; |
| 480 | push2(pop2() & pop2()); |
| 481 | continue; |
| 482 | case O_OR: |
| 483 | pc.cp++; |
| 484 | push2(pop2() | pop2()); |
| 485 | continue; |
| 486 | case O_NOT: |
| 487 | pc.cp++; |
| 488 | push2(pop2() ^ 1); |
| 489 | continue; |
| 490 | case O_AS2: |
| 491 | pc.cp++; |
| 492 | tl = pop2(); |
| 493 | *(short *)popaddr() = tl; |
| 494 | continue; |
| 495 | case O_AS4: |
| 496 | pc.cp++; |
| 497 | tl = pop4(); |
| 498 | *(long *)popaddr() = tl; |
| 499 | continue; |
| 500 | case O_AS24: |
| 501 | pc.cp++; |
| 502 | tl = pop2(); |
| 503 | *(long *)popaddr() = tl; |
| 504 | continue; |
| 505 | case O_AS42: |
| 506 | pc.cp++; |
| 507 | tl = pop4(); |
| 508 | *(short *)popaddr() = tl; |
| 509 | continue; |
| 510 | case O_AS21: |
| 511 | pc.cp++; |
| 512 | tl = pop2(); |
| 513 | *popaddr() = tl; |
| 514 | continue; |
| 515 | case O_AS41: |
| 516 | pc.cp++; |
| 517 | tl = pop4(); |
| 518 | *popaddr() = tl; |
| 519 | continue; |
| 520 | case O_AS28: |
| 521 | pc.cp++; |
| 522 | tl = pop2(); |
| 523 | *(double *)popaddr() = tl; |
| 524 | continue; |
| 525 | case O_AS48: |
| 526 | pc.cp++; |
| 527 | tl = pop4(); |
| 528 | *(double *)popaddr() = tl; |
| 529 | continue; |
| 530 | case O_AS8: |
| 531 | pc.cp++; |
| 532 | t8 = popsze8(); |
| 533 | *(struct sze8 *)popaddr() = t8; |
| 534 | continue; |
| 535 | case O_AS: |
| 536 | tl = *pc.cp++; |
| 537 | if (tl == 0) |
| 538 | tl = *pc.usp++; |
| 539 | tl1 = (tl + 1) & ~1; |
| 540 | tcp = pushsp((long)(0)); |
| 541 | blkcpy(tl, tcp, *(char **)(tcp + tl1)); |
| 542 | popsp(tl1 + sizeof(char *)); |
| 543 | continue; |
| 544 | case O_INX2P2: |
| 545 | tl = *pc.cp++; /* tl has shift amount */ |
| 546 | tl1 = (pop2() - *pc.sp++) << tl; |
| 547 | pushaddr(popaddr() + tl1); |
| 548 | continue; |
| 549 | case O_INX4P2: |
| 550 | tl = *pc.cp++; /* tl has shift amount */ |
| 551 | tl1 = (pop4() - *pc.sp++) << tl; |
| 552 | pushaddr(popaddr() + tl1); |
| 553 | continue; |
| 554 | case O_INX2: |
| 555 | tl = *pc.cp++; /* tl has element size */ |
| 556 | if (tl == 0) |
| 557 | tl = *pc.usp++; |
| 558 | tl1 = pop2(); /* index */ |
| 559 | tl2 = *pc.sp++; |
| 560 | pushaddr(popaddr() + (tl1 - tl2) * tl); |
| 561 | tl = *pc.usp++; |
| 562 | if (_runtst) |
| 563 | SUBSC(tl1, tl2, tl); /* range check */ |
| 564 | continue; |
| 565 | case O_INX4: |
| 566 | tl = *pc.cp++; /* tl has element size */ |
| 567 | if (tl == 0) |
| 568 | tl = *pc.usp++; |
| 569 | tl1 = pop4(); /* index */ |
| 570 | tl2 = *pc.sp++; |
| 571 | pushaddr(popaddr() + (tl1 - tl2) * tl); |
| 572 | tl = *pc.usp++; |
| 573 | if (_runtst) |
| 574 | SUBSC(tl1, tl2, tl); /* range check */ |
| 575 | continue; |
| 576 | case O_OFF: |
| 577 | tl = *pc.cp++; |
| 578 | if (tl == 0) |
| 579 | tl = *pc.usp++; |
| 580 | pushaddr(popaddr() + tl); |
| 581 | continue; |
| 582 | case O_NIL: |
| 583 | pc.cp++; |
| 584 | NIL(); |
| 585 | continue; |
| 586 | case O_ADD2: |
| 587 | pc.cp++; |
| 588 | push4((long)(pop2() + pop2())); |
| 589 | continue; |
| 590 | case O_ADD4: |
| 591 | pc.cp++; |
| 592 | push4(pop4() + pop4()); |
| 593 | continue; |
| 594 | case O_ADD24: |
| 595 | pc.cp++; |
| 596 | tl = pop2(); |
| 597 | push4(pop4() + tl); |
| 598 | continue; |
| 599 | case O_ADD42: |
| 600 | pc.cp++; |
| 601 | tl = pop4(); |
| 602 | push4(pop2() + tl); |
| 603 | continue; |
| 604 | case O_ADD28: |
| 605 | pc.cp++; |
| 606 | tl = pop2(); |
| 607 | push8(pop8() + tl); |
| 608 | continue; |
| 609 | case O_ADD48: |
| 610 | pc.cp++; |
| 611 | tl = pop4(); |
| 612 | push8(pop8() + tl); |
| 613 | continue; |
| 614 | case O_ADD82: |
| 615 | pc.cp++; |
| 616 | td = pop8(); |
| 617 | push8(pop2() + td); |
| 618 | continue; |
| 619 | case O_ADD84: |
| 620 | pc.cp++; |
| 621 | td = pop8(); |
| 622 | push8(pop4() + td); |
| 623 | continue; |
| 624 | case O_SUB2: |
| 625 | pc.cp++; |
| 626 | tl = pop2(); |
| 627 | push4(pop2() - tl); |
| 628 | continue; |
| 629 | case O_SUB4: |
| 630 | pc.cp++; |
| 631 | tl = pop4(); |
| 632 | push4(pop4() - tl); |
| 633 | continue; |
| 634 | case O_SUB24: |
| 635 | pc.cp++; |
| 636 | tl = pop2(); |
| 637 | push4(pop4() - tl); |
| 638 | continue; |
| 639 | case O_SUB42: |
| 640 | pc.cp++; |
| 641 | tl = pop4(); |
| 642 | push4(pop2() - tl); |
| 643 | continue; |
| 644 | case O_SUB28: |
| 645 | pc.cp++; |
| 646 | tl = pop2(); |
| 647 | push8(pop8() - tl); |
| 648 | continue; |
| 649 | case O_SUB48: |
| 650 | pc.cp++; |
| 651 | tl = pop4(); |
| 652 | push8(pop8() - tl); |
| 653 | continue; |
| 654 | case O_SUB82: |
| 655 | pc.cp++; |
| 656 | td = pop8(); |
| 657 | push8(pop2() - td); |
| 658 | continue; |
| 659 | case O_SUB84: |
| 660 | pc.cp++; |
| 661 | td = pop8(); |
| 662 | push8(pop4() - td); |
| 663 | continue; |
| 664 | case O_MUL2: |
| 665 | pc.cp++; |
| 666 | push4((long)(pop2() * pop2())); |
| 667 | continue; |
| 668 | case O_MUL4: |
| 669 | pc.cp++; |
| 670 | push4(pop4() * pop4()); |
| 671 | continue; |
| 672 | case O_MUL24: |
| 673 | pc.cp++; |
| 674 | tl = pop2(); |
| 675 | push4(pop4() * tl); |
| 676 | continue; |
| 677 | case O_MUL42: |
| 678 | pc.cp++; |
| 679 | tl = pop4(); |
| 680 | push4(pop2() * tl); |
| 681 | continue; |
| 682 | case O_MUL28: |
| 683 | pc.cp++; |
| 684 | tl = pop2(); |
| 685 | push8(pop8() * tl); |
| 686 | continue; |
| 687 | case O_MUL48: |
| 688 | pc.cp++; |
| 689 | tl = pop4(); |
| 690 | push8(pop8() * tl); |
| 691 | continue; |
| 692 | case O_MUL82: |
| 693 | pc.cp++; |
| 694 | td = pop8(); |
| 695 | push8(pop2() * td); |
| 696 | continue; |
| 697 | case O_MUL84: |
| 698 | pc.cp++; |
| 699 | td = pop8(); |
| 700 | push8(pop4() * td); |
| 701 | continue; |
| 702 | case O_ABS2: |
| 703 | case O_ABS4: |
| 704 | pc.cp++; |
| 705 | tl = pop4(); |
| 706 | push4(tl >= 0 ? tl : -tl); |
| 707 | continue; |
| 708 | case O_ABS8: |
| 709 | pc.cp++; |
| 710 | td = pop8(); |
| 711 | push8(td >= 0.0 ? td : -td); |
| 712 | continue; |
| 713 | case O_NEG2: |
| 714 | pc.cp++; |
| 715 | push4((long)(-pop2())); |
| 716 | continue; |
| 717 | case O_NEG4: |
| 718 | pc.cp++; |
| 719 | push4(-pop4()); |
| 720 | continue; |
| 721 | case O_NEG8: |
| 722 | pc.cp++; |
| 723 | push8(-pop8()); |
| 724 | continue; |
| 725 | case O_DIV2: |
| 726 | pc.cp++; |
| 727 | tl = pop2(); |
| 728 | push4(pop2() / tl); |
| 729 | continue; |
| 730 | case O_DIV4: |
| 731 | pc.cp++; |
| 732 | tl = pop4(); |
| 733 | push4(pop4() / tl); |
| 734 | continue; |
| 735 | case O_DIV24: |
| 736 | pc.cp++; |
| 737 | tl = pop2(); |
| 738 | push4(pop4() / tl); |
| 739 | continue; |
| 740 | case O_DIV42: |
| 741 | pc.cp++; |
| 742 | tl = pop4(); |
| 743 | push4(pop2() / tl); |
| 744 | continue; |
| 745 | case O_MOD2: |
| 746 | pc.cp++; |
| 747 | tl = pop2(); |
| 748 | push4(pop2() % tl); |
| 749 | continue; |
| 750 | case O_MOD4: |
| 751 | pc.cp++; |
| 752 | tl = pop4(); |
| 753 | push4(pop4() % tl); |
| 754 | continue; |
| 755 | case O_MOD24: |
| 756 | pc.cp++; |
| 757 | tl = pop2(); |
| 758 | push4(pop4() % tl); |
| 759 | continue; |
| 760 | case O_MOD42: |
| 761 | pc.cp++; |
| 762 | tl = pop4(); |
| 763 | push4(pop2() % tl); |
| 764 | continue; |
| 765 | case O_ADD8: |
| 766 | pc.cp++; |
| 767 | push8(pop8() + pop8()); |
| 768 | continue; |
| 769 | case O_SUB8: |
| 770 | pc.cp++; |
| 771 | td = pop8(); |
| 772 | push8(pop8() - td); |
| 773 | continue; |
| 774 | case O_MUL8: |
| 775 | pc.cp++; |
| 776 | push8(pop8() * pop8()); |
| 777 | continue; |
| 778 | case O_DVD8: |
| 779 | pc.cp++; |
| 780 | td = pop8(); |
| 781 | push8(pop8() / td); |
| 782 | continue; |
| 783 | case O_STOI: |
| 784 | pc.cp++; |
| 785 | push4((long)(pop2())); |
| 786 | continue; |
| 787 | case O_STOD: |
| 788 | pc.cp++; |
| 789 | td = pop2(); |
| 790 | push8(td); |
| 791 | continue; |
| 792 | case O_ITOD: |
| 793 | pc.cp++; |
| 794 | td = pop4(); |
| 795 | push8(td); |
| 796 | continue; |
| 797 | case O_ITOS: |
| 798 | pc.cp++; |
| 799 | push2((short)(pop4())); |
| 800 | continue; |
| 801 | case O_DVD2: |
| 802 | pc.cp++; |
| 803 | td = pop2(); |
| 804 | push8(pop2() / td); |
| 805 | continue; |
| 806 | case O_DVD4: |
| 807 | pc.cp++; |
| 808 | td = pop4(); |
| 809 | push8(pop4() / td); |
| 810 | continue; |
| 811 | case O_DVD24: |
| 812 | pc.cp++; |
| 813 | td = pop2(); |
| 814 | push8(pop4() / td); |
| 815 | continue; |
| 816 | case O_DVD42: |
| 817 | pc.cp++; |
| 818 | td = pop4(); |
| 819 | push8(pop2() / td); |
| 820 | continue; |
| 821 | case O_DVD28: |
| 822 | pc.cp++; |
| 823 | td = pop2(); |
| 824 | push8(pop8() / td); |
| 825 | continue; |
| 826 | case O_DVD48: |
| 827 | pc.cp++; |
| 828 | td = pop4(); |
| 829 | push8(pop8() / td); |
| 830 | continue; |
| 831 | case O_DVD82: |
| 832 | pc.cp++; |
| 833 | td = pop8(); |
| 834 | push8(pop2() / td); |
| 835 | continue; |
| 836 | case O_DVD84: |
| 837 | pc.cp++; |
| 838 | td = pop8(); |
| 839 | push8(pop4() / td); |
| 840 | continue; |
| 841 | case O_RV1: |
| 842 | tcp = _display.raw[*pc.ucp++]; |
| 843 | push2((short)(*(tcp + *pc.sp++))); |
| 844 | continue; |
| 845 | case O_RV14: |
| 846 | tcp = _display.raw[*pc.ucp++]; |
| 847 | push4((long)(*(tcp + *pc.sp++))); |
| 848 | continue; |
| 849 | case O_RV2: |
| 850 | tcp = _display.raw[*pc.ucp++]; |
| 851 | push2(*(short *)(tcp + *pc.sp++)); |
| 852 | continue; |
| 853 | case O_RV24: |
| 854 | tcp = _display.raw[*pc.ucp++]; |
| 855 | push4((long)(*(short *)(tcp + *pc.sp++))); |
| 856 | continue; |
| 857 | case O_RV4: |
| 858 | tcp = _display.raw[*pc.ucp++]; |
| 859 | push4(*(long *)(tcp + *pc.sp++)); |
| 860 | continue; |
| 861 | case O_RV8: |
| 862 | tcp = _display.raw[*pc.ucp++]; |
| 863 | pushsze8(*(struct sze8 *)(tcp + *pc.sp++)); |
| 864 | continue; |
| 865 | case O_RV: |
| 866 | tcp = _display.raw[*pc.ucp++]; |
| 867 | tcp += *pc.sp++; |
| 868 | tl = *pc.usp++; |
| 869 | tcp1 = pushsp((tl + 1) & ~1); |
| 870 | blkcpy(tl, tcp, tcp1); |
| 871 | continue; |
| 872 | case O_LV: |
| 873 | tcp = _display.raw[*pc.ucp++]; |
| 874 | pushaddr(tcp + *pc.sp++); |
| 875 | continue; |
| 876 | case O_LRV1: |
| 877 | tcp = _display.raw[*pc.ucp++]; |
| 878 | push2((short)(*(tcp + *pc.lp++))); |
| 879 | continue; |
| 880 | case O_LRV14: |
| 881 | tcp = _display.raw[*pc.ucp++]; |
| 882 | push4((long)(*(tcp + *pc.lp++))); |
| 883 | continue; |
| 884 | case O_LRV2: |
| 885 | tcp = _display.raw[*pc.ucp++]; |
| 886 | push2(*(short *)(tcp + *pc.lp++)); |
| 887 | continue; |
| 888 | case O_LRV24: |
| 889 | tcp = _display.raw[*pc.ucp++]; |
| 890 | push4((long)(*(short *)(tcp + *pc.lp++))); |
| 891 | continue; |
| 892 | case O_LRV4: |
| 893 | tcp = _display.raw[*pc.ucp++]; |
| 894 | push4(*(long *)(tcp + *pc.lp++)); |
| 895 | continue; |
| 896 | case O_LRV8: |
| 897 | tcp = _display.raw[*pc.ucp++]; |
| 898 | pushsze8(*(struct sze8 *)(tcp + *pc.lp++)); |
| 899 | continue; |
| 900 | case O_LRV: |
| 901 | tcp = _display.raw[*pc.ucp++]; |
| 902 | tcp += (int)*pc.lp++; |
| 903 | tl = *pc.usp++; |
| 904 | tcp1 = pushsp((tl + 1) & ~1); |
| 905 | blkcpy(tl, tcp, tcp1); |
| 906 | continue; |
| 907 | case O_LLV: |
| 908 | tcp = _display.raw[*pc.ucp++]; |
| 909 | pushaddr(tcp + *pc.lp++); |
| 910 | continue; |
| 911 | case O_IND1: |
| 912 | pc.cp++; |
| 913 | push2((short)(*popaddr())); |
| 914 | continue; |
| 915 | case O_IND14: |
| 916 | pc.cp++; |
| 917 | push4((long)(*popaddr())); |
| 918 | continue; |
| 919 | case O_IND2: |
| 920 | pc.cp++; |
| 921 | push2(*(short *)(popaddr())); |
| 922 | continue; |
| 923 | case O_IND24: |
| 924 | pc.cp++; |
| 925 | push4((long)(*(short *)(popaddr()))); |
| 926 | continue; |
| 927 | case O_IND4: |
| 928 | pc.cp++; |
| 929 | push4(*(long *)(popaddr())); |
| 930 | continue; |
| 931 | case O_IND8: |
| 932 | pc.cp++; |
| 933 | pushsze8(*(struct sze8 *)(popaddr())); |
| 934 | continue; |
| 935 | case O_IND: |
| 936 | tl = *pc.cp++; |
| 937 | if (tl == 0) |
| 938 | tl = *pc.usp++; |
| 939 | tcp = popaddr(); |
| 940 | tcp1 = pushsp((tl + 1) & ~1); |
| 941 | blkcpy(tl, tcp, tcp1); |
| 942 | continue; |
| 943 | case O_CON1: |
| 944 | push2((short)(*pc.cp++)); |
| 945 | continue; |
| 946 | case O_CON14: |
| 947 | push4((long)(*pc.cp++)); |
| 948 | continue; |
| 949 | case O_CON2: |
| 950 | pc.cp++; |
| 951 | push2(*pc.sp++); |
| 952 | continue; |
| 953 | case O_CON24: |
| 954 | pc.cp++; |
| 955 | push4((long)(*pc.sp++)); |
| 956 | continue; |
| 957 | case O_CON4: |
| 958 | pc.cp++; |
| 959 | push4(*pc.lp++); |
| 960 | continue; |
| 961 | case O_CON8: |
| 962 | pc.cp++; |
| 963 | push8(*pc.dbp++); |
| 964 | continue; |
| 965 | case O_CON: |
| 966 | tl = *pc.cp++; |
| 967 | if (tl == 0) |
| 968 | tl = *pc.usp++; |
| 969 | tl = (tl + 1) & ~1; |
| 970 | tcp = pushsp(tl); |
| 971 | blkcpy(tl, pc.cp, tcp); |
| 972 | pc.cp += (int)tl; |
| 973 | continue; |
| 974 | case O_CONG: |
| 975 | tl = *pc.cp++; |
| 976 | if (tl == 0) |
| 977 | tl = *pc.usp++; |
| 978 | tl1 = (tl + 1) & ~1; |
| 979 | tcp = pushsp(tl1); |
| 980 | blkcpy(tl1, pc.cp, tcp); |
| 981 | pc.cp += (int)((tl + 2) & ~1); |
| 982 | continue; |
| 983 | case O_LVCON: |
| 984 | tl = *pc.cp++; |
| 985 | if (tl == 0) |
| 986 | tl = *pc.usp++; |
| 987 | tl = (tl + 1) & ~1; |
| 988 | pushaddr(pc.cp); |
| 989 | pc.cp += (int)tl; |
| 990 | continue; |
| 991 | case O_RANG2: |
| 992 | tl = *pc.cp++; |
| 993 | if (tl == 0) |
| 994 | tl = *pc.sp++; |
| 995 | tl1 = pop2(); |
| 996 | push2((short)(RANG4(tl1, tl, *pc.sp++))); |
| 997 | continue; |
| 998 | case O_RANG42: |
| 999 | tl = *pc.cp++; |
| 1000 | if (tl == 0) |
| 1001 | tl = *pc.sp++; |
| 1002 | tl1 = pop4(); |
| 1003 | push4(RANG4(tl1, tl, *pc.sp++)); |
| 1004 | continue; |
| 1005 | case O_RSNG2: |
| 1006 | tl = *pc.cp++; |
| 1007 | if (tl == 0) |
| 1008 | tl = *pc.sp++; |
| 1009 | tl1 = pop2(); |
| 1010 | push2((short)(RSNG4(tl1, tl))); |
| 1011 | continue; |
| 1012 | case O_RSNG42: |
| 1013 | tl = *pc.cp++; |
| 1014 | if (tl == 0) |
| 1015 | tl = *pc.sp++; |
| 1016 | tl1 = pop4(); |
| 1017 | push4(RSNG4(tl1, tl)); |
| 1018 | continue; |
| 1019 | case O_RANG4: |
| 1020 | pc.cp++; |
| 1021 | tl = *pc.lp++; |
| 1022 | tl1 = pop4(); |
| 1023 | push4(RANG4(tl1, tl, *pc.lp++)); |
| 1024 | continue; |
| 1025 | case O_RANG24: |
| 1026 | pc.cp++; |
| 1027 | tl = *pc.lp++; |
| 1028 | tl1 = pop2(); |
| 1029 | push2((short)(RANG4(tl1, tl, *pc.lp++))); |
| 1030 | continue; |
| 1031 | case O_RSNG4: |
| 1032 | pc.cp++; |
| 1033 | tl = pop4(); |
| 1034 | push4(RSNG4(tl, *pc.lp++)); |
| 1035 | continue; |
| 1036 | case O_RSNG24: |
| 1037 | pc.cp++; |
| 1038 | tl = pop2(); |
| 1039 | push2((short)(RSNG4(tl, *pc.lp++))); |
| 1040 | continue; |
| 1041 | case O_STLIM: |
| 1042 | pc.cp++; |
| 1043 | STLIM(); |
| 1044 | popsp((long)(sizeof(long))); |
| 1045 | continue; |
| 1046 | case O_LLIMIT: |
| 1047 | pc.cp++; |
| 1048 | LLIMIT(); |
| 1049 | popsp((long)(sizeof(char *)+sizeof(long))); |
| 1050 | continue; |
| 1051 | case O_BUFF: |
| 1052 | BUFF((long)(*pc.cp++)); |
| 1053 | continue; |
| 1054 | case O_HALT: |
| 1055 | pc.cp++; |
| 1056 | panic(PHALT); |
| 1057 | continue; |
| 1058 | case O_PXPBUF: |
| 1059 | pc.cp++; |
| 1060 | _cntrs = *pc.lp++; |
| 1061 | _rtns = *pc.lp++; |
| 1062 | NEWZ(&_pcpcount, (_cntrs + 1) * sizeof(long)); |
| 1063 | continue; |
| 1064 | case O_COUNT: |
| 1065 | pc.cp++; |
| 1066 | _pcpcount[*pc.usp++]++; |
| 1067 | continue; |
| 1068 | case O_CASE1OP: |
| 1069 | tl = *pc.cp++; /* tl = number of cases */ |
| 1070 | if (tl == 0) |
| 1071 | tl = *pc.usp++; |
| 1072 | tsp = pc.sp + tl; /* ptr to end of jump table */ |
| 1073 | tcp = (char *)tsp; /* tcp = ptr to case values */ |
| 1074 | tl1 = pop2(); /* tl1 = element to find */ |
| 1075 | for(; tl > 0; tl--) /* look for element */ |
| 1076 | if (tl1 == *tcp++) |
| 1077 | break; |
| 1078 | if (tl == 0) /* default case => error */ |
| 1079 | ERROR(ECASE, tl1); |
| 1080 | pc.cp += *(tsp - tl); |
| 1081 | continue; |
| 1082 | case O_CASE2OP: |
| 1083 | tl = *pc.cp++; /* tl = number of cases */ |
| 1084 | if (tl == 0) |
| 1085 | tl = *pc.usp++; |
| 1086 | tsp = pc.sp + tl; /* ptr to end of jump table */ |
| 1087 | tsp1 = tsp; /* tsp1 = ptr to case values */ |
| 1088 | tl1 = (unsigned short)pop2();/* tl1 = element to find */ |
| 1089 | for(; tl > 0; tl--) /* look for element */ |
| 1090 | if (tl1 == *tsp1++) |
| 1091 | break; |
| 1092 | if (tl == 0) /* default case => error */ |
| 1093 | ERROR(ECASE, tl1); |
| 1094 | pc.cp += *(tsp - tl); |
| 1095 | continue; |
| 1096 | case O_CASE4OP: |
| 1097 | tl = *pc.cp++; /* tl = number of cases */ |
| 1098 | if (tl == 0) |
| 1099 | tl = *pc.usp++; |
| 1100 | tsp = pc.sp + tl; /* ptr to end of jump table */ |
| 1101 | tlp = (long *)tsp; /* tlp = ptr to case values */ |
| 1102 | tl1 = pop4(); /* tl1 = element to find */ |
| 1103 | for(; tl > 0; tl--) /* look for element */ |
| 1104 | if (tl1 == *tlp++) |
| 1105 | break; |
| 1106 | if (tl == 0) /* default case => error */ |
| 1107 | ERROR(ECASE, tl1); |
| 1108 | pc.cp += *(tsp - tl); |
| 1109 | continue; |
| 1110 | case O_ADDT: |
| 1111 | tl = *pc.cp++; /* tl has comparison length */ |
| 1112 | if (tl == 0) |
| 1113 | tl = *pc.usp++; |
| 1114 | tcp = pushsp((long)(0));/* tcp pts to first arg */ |
| 1115 | ADDT(tcp + tl, tcp + tl, tcp, tl >> 2); |
| 1116 | popsp(tl); |
| 1117 | continue; |
| 1118 | case O_SUBT: |
| 1119 | tl = *pc.cp++; /* tl has comparison length */ |
| 1120 | if (tl == 0) |
| 1121 | tl = *pc.usp++; |
| 1122 | tcp = pushsp((long)(0));/* tcp pts to first arg */ |
| 1123 | SUBT(tcp + tl, tcp + tl, tcp, tl >> 2); |
| 1124 | popsp(tl); |
| 1125 | continue; |
| 1126 | case O_MULT: |
| 1127 | tl = *pc.cp++; /* tl has comparison length */ |
| 1128 | if (tl == 0) |
| 1129 | tl = *pc.usp++; |
| 1130 | tcp = pushsp((long)(0));/* tcp pts to first arg */ |
| 1131 | MULT(tcp + tl, tcp + tl, tcp, tl >> 2); |
| 1132 | popsp(tl); |
| 1133 | continue; |
| 1134 | case O_INCT: |
| 1135 | tl = *pc.cp++; /* tl has number of args */ |
| 1136 | if (tl == 0) |
| 1137 | tl = *pc.usp++; |
| 1138 | tb = INCT(); |
| 1139 | popsp(tl*sizeof(long)); |
| 1140 | push2((short)(tb)); |
| 1141 | continue; |
| 1142 | case O_CTTOT: |
| 1143 | tl = *pc.cp++; /* tl has number of args */ |
| 1144 | if (tl == 0) |
| 1145 | tl = *pc.usp++; |
| 1146 | tl1 = tl * sizeof(long); |
| 1147 | tcp = pushsp((long)(0)) + tl1; /* tcp pts to result */ |
| 1148 | CTTOT(tcp); |
| 1149 | popsp(tl*sizeof(long)); |
| 1150 | continue; |
| 1151 | case O_CARD: |
| 1152 | tl = *pc.cp++; /* tl has comparison length */ |
| 1153 | if (tl == 0) |
| 1154 | tl = *pc.usp++; |
| 1155 | tcp = pushsp((long)(0));/* tcp pts to set */ |
| 1156 | tl1 = CARD(tcp, tl); |
| 1157 | popsp(tl); |
| 1158 | push2((short)(tl1)); |
| 1159 | continue; |
| 1160 | case O_IN: |
| 1161 | tl = *pc.cp++; /* tl has comparison length */ |
| 1162 | if (tl == 0) |
| 1163 | tl = *pc.usp++; |
| 1164 | tl1 = pop4(); /* tl1 is the element */ |
| 1165 | tcp = pushsp((long)(0));/* tcp pts to set */ |
| 1166 | tl2 = *pc.usp++; /* lower bound */ |
| 1167 | tb = IN(tl1, tl2, (long)(*pc.usp++), tcp); |
| 1168 | popsp(tl); |
| 1169 | push2((short)(tb)); |
| 1170 | continue; |
| 1171 | case O_ASRT: |
| 1172 | pc.cp++; |
| 1173 | ts = pop2(); |
| 1174 | ASRT(ts, ""); |
| 1175 | continue; |
| 1176 | case O_FOR1U: |
| 1177 | pc.cp++; |
| 1178 | tcp = popaddr(); /* tcp = ptr to index var */ |
| 1179 | if (*tcp < pop4()) { /* still going up */ |
| 1180 | tl = *tcp + 1; /* inc index var */ |
| 1181 | tl1 = *pc.sp++; /* index lower bound */ |
| 1182 | tl2 = *pc.sp++; /* index upper bound */ |
| 1183 | if (_runtst) |
| 1184 | RANG4(tl, tl1, tl2); |
| 1185 | *tcp = tl; /* update index var */ |
| 1186 | pc.cp += *pc.sp;/* return to top of loop */ |
| 1187 | continue; |
| 1188 | } |
| 1189 | pc.sp += 3; /* else fall through */ |
| 1190 | continue; |
| 1191 | case O_FOR2U: |
| 1192 | pc.cp++; |
| 1193 | tsp = (short *)popaddr(); /* tsp = ptr to index var */ |
| 1194 | if (*tsp < pop4()) { /* still going up */ |
| 1195 | tl = *tsp + 1; /* inc index var */ |
| 1196 | tl1 = *pc.sp++; /* index lower bound */ |
| 1197 | tl2 = *pc.sp++; /* index upper bound */ |
| 1198 | if (_runtst) |
| 1199 | RANG4(tl, tl1, tl2); |
| 1200 | *tsp = tl; /* update index var */ |
| 1201 | pc.cp += *pc.sp;/* return to top of loop */ |
| 1202 | continue; |
| 1203 | } |
| 1204 | pc.sp += 3; /* else fall through */ |
| 1205 | continue; |
| 1206 | case O_FOR4U: |
| 1207 | pc.cp++; |
| 1208 | tlp = (long *)popaddr(); /* tlp = ptr to index var */ |
| 1209 | if (*tlp < pop4()) { /* still going up */ |
| 1210 | tl = *tlp + 1; /* inc index var */ |
| 1211 | tl1 = *pc.lp++; /* index lower bound */ |
| 1212 | tl2 = *pc.lp++; /* index upper bound */ |
| 1213 | if (_runtst) |
| 1214 | RANG4(tl, tl1, tl2); |
| 1215 | *tlp = tl; /* update index var */ |
| 1216 | pc.cp += *pc.sp;/* return to top of loop */ |
| 1217 | continue; |
| 1218 | } |
| 1219 | pc.sp += 5; /* else fall through */ |
| 1220 | continue; |
| 1221 | case O_FOR1D: |
| 1222 | pc.cp++; |
| 1223 | tcp = popaddr(); /* tcp = ptr to index var */ |
| 1224 | if (*tcp > pop4()) { /* still going down */ |
| 1225 | tl = *tcp - 1; /* inc index var */ |
| 1226 | tl1 = *pc.sp++; /* index lower bound */ |
| 1227 | tl2 = *pc.sp++; /* index upper bound */ |
| 1228 | if (_runtst) |
| 1229 | RANG4(tl, tl1, tl2); |
| 1230 | *tcp = tl; /* update index var */ |
| 1231 | pc.cp += *pc.sp;/* return to top of loop */ |
| 1232 | continue; |
| 1233 | } |
| 1234 | pc.sp += 3; /* else fall through */ |
| 1235 | continue; |
| 1236 | case O_FOR2D: |
| 1237 | pc.cp++; |
| 1238 | tsp = (short *)popaddr(); /* tsp = ptr to index var */ |
| 1239 | if (*tsp > pop4()) { /* still going down */ |
| 1240 | tl = *tsp - 1; /* inc index var */ |
| 1241 | tl1 = *pc.sp++; /* index lower bound */ |
| 1242 | tl2 = *pc.sp++; /* index upper bound */ |
| 1243 | if (_runtst) |
| 1244 | RANG4(tl, tl1, tl2); |
| 1245 | *tsp = tl; /* update index var */ |
| 1246 | pc.cp += *pc.sp;/* return to top of loop */ |
| 1247 | continue; |
| 1248 | } |
| 1249 | pc.sp += 3; /* else fall through */ |
| 1250 | continue; |
| 1251 | case O_FOR4D: |
| 1252 | pc.cp++; |
| 1253 | tlp = (long *)popaddr(); /* tlp = ptr to index var */ |
| 1254 | if (*tlp > pop4()) { /* still going down */ |
| 1255 | tl = *tlp - 1; /* inc index var */ |
| 1256 | tl1 = *pc.lp++; /* index lower bound */ |
| 1257 | tl2 = *pc.lp++; /* index upper bound */ |
| 1258 | if (_runtst) |
| 1259 | RANG4(tl, tl1, tl2); |
| 1260 | *tlp = tl; /* update index var */ |
| 1261 | pc.cp += *pc.sp;/* return to top of loop */ |
| 1262 | continue; |
| 1263 | } |
| 1264 | pc.sp += 5; /* else fall through */ |
| 1265 | continue; |
| 1266 | case O_READE: |
| 1267 | pc.cp++; |
| 1268 | push2((short)(READE(curfile, base + *pc.lp++))); |
| 1269 | continue; |
| 1270 | case O_READ4: |
| 1271 | pc.cp++; |
| 1272 | push4(READ4(curfile)); |
| 1273 | continue; |
| 1274 | case O_READC: |
| 1275 | pc.cp++; |
| 1276 | push2((short)(READC(curfile))); |
| 1277 | continue; |
| 1278 | case O_READ8: |
| 1279 | pc.cp++; |
| 1280 | push8(READ8(curfile)); |
| 1281 | continue; |
| 1282 | case O_READLN: |
| 1283 | pc.cp++; |
| 1284 | READLN(curfile); |
| 1285 | continue; |
| 1286 | case O_EOF: |
| 1287 | pc.cp++; |
| 1288 | push2((short)(TEOF(popaddr()))); |
| 1289 | continue; |
| 1290 | case O_EOLN: |
| 1291 | pc.cp++; |
| 1292 | push2((short)(TEOLN(popaddr()))); |
| 1293 | continue; |
| 1294 | case O_WRITEC: |
| 1295 | pc.cp++; |
| 1296 | if (_runtst) { |
| 1297 | WRITEC(curfile); |
| 1298 | popsp((long)(sizeof(long)+sizeof(FILE *))); |
| 1299 | continue; |
| 1300 | } |
| 1301 | #ifdef VAX |
| 1302 | fputc(); |
| 1303 | #else |
| 1304 | WRITEC(curfile); |
| 1305 | #endif VAX |
| 1306 | popsp((long)(sizeof(long)+sizeof(FILE *))); |
| 1307 | continue; |
| 1308 | case O_WRITES: |
| 1309 | pc.cp++; |
| 1310 | if (_runtst) { |
| 1311 | WRITES(curfile); |
| 1312 | popsp((long)(2*sizeof(char *)+2*sizeof(long))); |
| 1313 | continue; |
| 1314 | } |
| 1315 | #ifdef VAX |
| 1316 | fwrite(); |
| 1317 | #else |
| 1318 | WRITES(curfile); |
| 1319 | #endif VAX |
| 1320 | popsp((long)(2*sizeof(char *)+2*sizeof(long))); |
| 1321 | continue; |
| 1322 | case O_WRITEF: |
| 1323 | if (_runtst) { |
| 1324 | WRITEF(curfile); |
| 1325 | popsp((long)(((*pc.cp++ - 2) * sizeof(long)) + |
| 1326 | 2 * sizeof(char *))); |
| 1327 | continue; |
| 1328 | } |
| 1329 | #ifdef VAX |
| 1330 | fprintf(); |
| 1331 | #else |
| 1332 | WRITEF(curfile); |
| 1333 | #endif VAX |
| 1334 | popsp((long)(((*pc.cp++ - 2) * sizeof(long)) + |
| 1335 | 2 * sizeof(char *))); |
| 1336 | continue; |
| 1337 | case O_WRITLN: |
| 1338 | pc.cp++; |
| 1339 | if (_runtst) { |
| 1340 | WRITLN(curfile); |
| 1341 | continue; |
| 1342 | } |
| 1343 | fputc('\n', ACTFILE(curfile)); |
| 1344 | continue; |
| 1345 | case O_PAGE: |
| 1346 | pc.cp++; |
| 1347 | if (_runtst) { |
| 1348 | PAGE(curfile); |
| 1349 | continue; |
| 1350 | } |
| 1351 | fputc('\f', ACTFILE(curfile)); |
| 1352 | continue; |
| 1353 | case O_NAM: |
| 1354 | pc.cp++; |
| 1355 | tl = pop4(); |
| 1356 | pushaddr(NAM(tl, base + *pc.lp++)); |
| 1357 | continue; |
| 1358 | case O_MAX: |
| 1359 | tl = *pc.cp++; |
| 1360 | if (tl == 0) |
| 1361 | tl = *pc.usp++; |
| 1362 | tl1 = pop4(); |
| 1363 | if (_runtst) { |
| 1364 | push4(MAX(tl1, tl, (long)(*pc.usp++))); |
| 1365 | continue; |
| 1366 | } |
| 1367 | tl1 -= tl; |
| 1368 | tl = *pc.usp++; |
| 1369 | push4(tl1 > tl ? tl1 : tl); |
| 1370 | continue; |
| 1371 | case O_MIN: |
| 1372 | tl = *pc.cp++; |
| 1373 | if (tl == 0) |
| 1374 | tl = *pc.usp++; |
| 1375 | tl1 = pop4(); |
| 1376 | push4(tl1 < tl ? tl1 : tl); |
| 1377 | continue; |
| 1378 | case O_UNIT: |
| 1379 | pc.cp++; |
| 1380 | curfile = UNIT(popaddr()); |
| 1381 | continue; |
| 1382 | case O_UNITINP: |
| 1383 | pc.cp++; |
| 1384 | curfile = INPUT; |
| 1385 | continue; |
| 1386 | case O_UNITOUT: |
| 1387 | pc.cp++; |
| 1388 | curfile = OUTPUT; |
| 1389 | continue; |
| 1390 | case O_MESSAGE: |
| 1391 | pc.cp++; |
| 1392 | PFLUSH(); |
| 1393 | curfile = ERR; |
| 1394 | continue; |
| 1395 | case O_PUT: |
| 1396 | pc.cp++; |
| 1397 | PUT(curfile); |
| 1398 | continue; |
| 1399 | case O_GET: |
| 1400 | pc.cp++; |
| 1401 | GET(curfile); |
| 1402 | continue; |
| 1403 | case O_FNIL: |
| 1404 | pc.cp++; |
| 1405 | pushaddr(FNIL(popaddr())); |
| 1406 | continue; |
| 1407 | case O_DEFNAME: |
| 1408 | pc.cp++; |
| 1409 | DEFNAME(); |
| 1410 | popsp((long)(2*sizeof(char *)+2*sizeof(long))); |
| 1411 | continue; |
| 1412 | case O_RESET: |
| 1413 | pc.cp++; |
| 1414 | RESET(); |
| 1415 | popsp((long)(2*sizeof(char *)+2*sizeof(long))); |
| 1416 | continue; |
| 1417 | case O_REWRITE: |
| 1418 | pc.cp++; |
| 1419 | REWRITE(); |
| 1420 | popsp((long)(2*sizeof(char *)+2*sizeof(long))); |
| 1421 | continue; |
| 1422 | case O_FILE: |
| 1423 | pc.cp++; |
| 1424 | pushaddr(ACTFILE(curfile)); |
| 1425 | continue; |
| 1426 | case O_REMOVE: |
| 1427 | pc.cp++; |
| 1428 | REMOVE(); |
| 1429 | popsp((long)(sizeof(char *)+sizeof(long))); |
| 1430 | continue; |
| 1431 | case O_FLUSH: |
| 1432 | pc.cp++; |
| 1433 | FLUSH(); |
| 1434 | popsp((long)(sizeof(char *))); |
| 1435 | continue; |
| 1436 | case O_PACK: |
| 1437 | pc.cp++; |
| 1438 | PACK(); |
| 1439 | popsp((long)(5*sizeof(long)+2*sizeof(char*))); |
| 1440 | continue; |
| 1441 | case O_UNPACK: |
| 1442 | pc.cp++; |
| 1443 | UNPACK(); |
| 1444 | popsp((long)(5*sizeof(long)+2*sizeof(char*))); |
| 1445 | continue; |
| 1446 | case O_ARGC: |
| 1447 | pc.cp++; |
| 1448 | push4((long)_argc); |
| 1449 | continue; |
| 1450 | case O_ARGV: |
| 1451 | tl = *pc.cp++; /* tl = size of char array */ |
| 1452 | if (tl == 0) |
| 1453 | tl = *pc.usp++; |
| 1454 | tcp = popaddr(); /* tcp = addr of char array */ |
| 1455 | tl1 = pop4(); /* tl1 = argv subscript */ |
| 1456 | ARGV(tl1, tcp, tl); |
| 1457 | continue; |
| 1458 | case O_CLCK: |
| 1459 | pc.cp++; |
| 1460 | push4(CLCK()); |
| 1461 | continue; |
| 1462 | case O_WCLCK: |
| 1463 | pc.cp++; |
| 1464 | push4(time(0)); |
| 1465 | continue; |
| 1466 | case O_SCLCK: |
| 1467 | pc.cp++; |
| 1468 | push4(SCLCK()); |
| 1469 | continue; |
| 1470 | case O_DISPOSE: |
| 1471 | tl = *pc.cp++; /* tl = size being disposed */ |
| 1472 | if (tl == 0) |
| 1473 | tl = *pc.usp++; |
| 1474 | tcp = popaddr(); /* ptr to ptr being disposed */ |
| 1475 | DISPOSE(tcp, tl); |
| 1476 | *(char **)tcp = (char *)0; |
| 1477 | continue; |
| 1478 | case O_NEW: |
| 1479 | tl = *pc.cp++; /* tl = size being new'ed */ |
| 1480 | if (tl == 0) |
| 1481 | tl = *pc.usp++; |
| 1482 | tcp = popaddr(); /* ptr to ptr being new'ed */ |
| 1483 | if (_runtst) { |
| 1484 | NEWZ(tcp, tl); |
| 1485 | continue; |
| 1486 | } |
| 1487 | NEW(tcp, tl); |
| 1488 | continue; |
| 1489 | case O_DATE: |
| 1490 | pc.cp++; |
| 1491 | DATE(popaddr()); |
| 1492 | continue; |
| 1493 | case O_TIME: |
| 1494 | pc.cp++; |
| 1495 | TIME(popaddr()); |
| 1496 | continue; |
| 1497 | case O_UNDEF: |
| 1498 | pc.cp++; |
| 1499 | pop8(); |
| 1500 | push2((short)(0)); |
| 1501 | continue; |
| 1502 | case O_ATAN: |
| 1503 | pc.cp++; |
| 1504 | push8(atan(pop8())); |
| 1505 | continue; |
| 1506 | case O_COS: |
| 1507 | pc.cp++; |
| 1508 | push8(cos(pop8())); |
| 1509 | continue; |
| 1510 | case O_EXP: |
| 1511 | pc.cp++; |
| 1512 | push8(exp(pop8())); |
| 1513 | continue; |
| 1514 | case O_LN: |
| 1515 | pc.cp++; |
| 1516 | if (_runtst) { |
| 1517 | push8(LN(pop8())); |
| 1518 | continue; |
| 1519 | } |
| 1520 | push8(log(pop8())); |
| 1521 | continue; |
| 1522 | case O_SIN: |
| 1523 | pc.cp++; |
| 1524 | push8(sin(pop8())); |
| 1525 | continue; |
| 1526 | case O_SQRT: |
| 1527 | pc.cp++; |
| 1528 | if (_runtst) { |
| 1529 | push8(SQRT(pop8())); |
| 1530 | continue; |
| 1531 | } |
| 1532 | push8(sqrt(pop8())); |
| 1533 | continue; |
| 1534 | case O_CHR2: |
| 1535 | case O_CHR4: |
| 1536 | pc.cp++; |
| 1537 | if (_runtst) { |
| 1538 | push2((short)(CHR(pop4()))); |
| 1539 | continue; |
| 1540 | } |
| 1541 | push2((short)(pop4())); |
| 1542 | continue; |
| 1543 | case O_ODD2: |
| 1544 | case O_ODD4: |
| 1545 | pc.cp++; |
| 1546 | push2((short)(pop4() & 1)); |
| 1547 | continue; |
| 1548 | case O_SUCC2: |
| 1549 | tl = *pc.cp++; |
| 1550 | if (tl == 0) |
| 1551 | tl = *pc.sp++; |
| 1552 | tl1 = pop4(); |
| 1553 | if (_runtst) { |
| 1554 | push2((short)(SUCC(tl1, tl, (long)(*pc.sp++)))); |
| 1555 | continue; |
| 1556 | } |
| 1557 | push2((short)(tl1 + 1)); |
| 1558 | pc.sp++; |
| 1559 | continue; |
| 1560 | case O_SUCC24: |
| 1561 | tl = *pc.cp++; |
| 1562 | if (tl == 0) |
| 1563 | tl = *pc.sp++; |
| 1564 | tl1 = pop4(); |
| 1565 | if (_runtst) { |
| 1566 | push4(SUCC(tl1, tl, (long)(*pc.sp++))); |
| 1567 | continue; |
| 1568 | } |
| 1569 | push4(tl1 + 1); |
| 1570 | pc.sp++; |
| 1571 | continue; |
| 1572 | case O_SUCC4: |
| 1573 | tl = *pc.cp++; |
| 1574 | if (tl == 0) |
| 1575 | tl = *pc.lp++; |
| 1576 | tl1 = pop4(); |
| 1577 | if (_runtst) { |
| 1578 | push4(SUCC(tl1, tl, (long)(*pc.lp++))); |
| 1579 | continue; |
| 1580 | } |
| 1581 | push4(tl1 + 1); |
| 1582 | pc.lp++; |
| 1583 | continue; |
| 1584 | case O_PRED2: |
| 1585 | tl = *pc.cp++; |
| 1586 | if (tl == 0) |
| 1587 | tl = *pc.sp++; |
| 1588 | tl1 = pop4(); |
| 1589 | if (_runtst) { |
| 1590 | push2((short)(PRED(tl1, tl, (long)(*pc.sp++)))); |
| 1591 | continue; |
| 1592 | } |
| 1593 | push2((short)(tl1 - 1)); |
| 1594 | pc.sp++; |
| 1595 | continue; |
| 1596 | case O_PRED24: |
| 1597 | tl = *pc.cp++; |
| 1598 | if (tl == 0) |
| 1599 | tl = *pc.sp++; |
| 1600 | tl1 = pop4(); |
| 1601 | if (_runtst) { |
| 1602 | push4(PRED(tl1, tl, (long)(*pc.sp++))); |
| 1603 | continue; |
| 1604 | } |
| 1605 | push4(tl1 - 1); |
| 1606 | pc.sp++; |
| 1607 | continue; |
| 1608 | case O_PRED4: |
| 1609 | tl = *pc.cp++; |
| 1610 | if (tl == 0) |
| 1611 | tl = *pc.lp++; |
| 1612 | tl1 = pop4(); |
| 1613 | if (_runtst) { |
| 1614 | push4(PRED(tl1, tl, (long)(*pc.lp++))); |
| 1615 | continue; |
| 1616 | } |
| 1617 | push4(tl1 - 1); |
| 1618 | pc.lp++; |
| 1619 | continue; |
| 1620 | case O_SEED: |
| 1621 | pc.cp++; |
| 1622 | push4(SEED(pop4())); |
| 1623 | continue; |
| 1624 | case O_RANDOM: |
| 1625 | pc.cp++; |
| 1626 | push8(RANDOM(pop8())); |
| 1627 | continue; |
| 1628 | case O_EXPO: |
| 1629 | pc.cp++; |
| 1630 | push4(EXPO(pop8())); |
| 1631 | continue; |
| 1632 | case O_SQR2: |
| 1633 | case O_SQR4: |
| 1634 | pc.cp++; |
| 1635 | tl = pop4(); |
| 1636 | push4(tl * tl); |
| 1637 | continue; |
| 1638 | case O_SQR8: |
| 1639 | pc.cp++; |
| 1640 | td = pop8(); |
| 1641 | push8(td * td); |
| 1642 | continue; |
| 1643 | case O_ROUND: |
| 1644 | pc.cp++; |
| 1645 | push4(ROUND(pop8())); |
| 1646 | continue; |
| 1647 | case O_TRUNC: |
| 1648 | pc.cp++; |
| 1649 | push4(TRUNC(pop8())); |
| 1650 | continue; |
| 1651 | default: |
| 1652 | panic(PBADOP); |
| 1653 | continue; |
| 1654 | } |
| 1655 | } |
| 1656 | } |