projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 43017a6f KM |
1 | /* Copyright (c) 1979 Regents of the University of California */ |
| 2 | ||
| be286a4e | 3 | static char sccsid[] = "@(#)interp.c 1.3 %G%"; |
| 43017a6f KM |
4 | |
| 5 | #include <math.h> | |
| 6 | #include "vars.h" | |
| 7 | #include "panics.h" | |
| 8 | #include "h02opcs.h" | |
| 9 | #include "machdep.h" | |
| 10 | #include "h01errs.h" | |
| 11 | #include "libpc.h" | |
| 12 | ||
| 43017a6f KM |
13 | /* |
| 14 | * program variables | |
| 15 | */ | |
| 15834a19 | 16 | union disply _display; |
| 43017a6f KM |
17 | struct disp *_dp; |
| 18 | long _lino = 0; | |
| 19 | int _argc; | |
| 20 | char **_argv; | |
| 21 | long _mode; | |
| 22 | long _nodump; | |
| 23 | long _stlim = 500000; | |
| 24 | long _stcnt = 0; | |
| 25 | char *_minptr = (char *)0x7fffffff; | |
| 26 | char *_maxptr = (char *)0; | |
| 27 | long *_pcpcount = (long *)0; | |
| 28 | long _cntrs = 0; | |
| 29 | long _rtns = 0; | |
| 30 | ||
| 31 | /* | |
| 32 | * file record variables | |
| 33 | */ | |
| 34 | long _filefre = PREDEF; | |
| 35 | struct iorechd _fchain = { | |
| 36 | 0, 0, 0, 0, /* only use fchain field */ | |
| 37 | INPUT /* fchain */ | |
| 38 | }; | |
| 39 | struct iorec *_actfile[MAXFILES] = { | |
| 40 | INPUT, | |
| 41 | OUTPUT, | |
| 42 | ERR | |
| 43 | }; | |
| 44 | ||
| 45 | /* | |
| 46 | * standard files | |
| 47 | */ | |
| 48 | char _inwin, _outwin, _errwin; | |
| 49 | struct iorechd input = { | |
| 50 | &_inwin, /* fileptr */ | |
| 51 | 0, /* lcount */ | |
| 52 | 0x7fffffff, /* llimit */ | |
| 53 | &_iob[0], /* fbuf */ | |
| 54 | OUTPUT, /* fchain */ | |
| 55 | STDLVL, /* flev */ | |
| 56 | "standard input", /* pfname */ | |
| 57 | FTEXT | FREAD | SYNC, /* funit */ | |
| 58 | 0, /* fblk */ | |
| 59 | 1 /* fsize */ | |
| 60 | }; | |
| 61 | struct iorechd output = { | |
| 62 | &_outwin, /* fileptr */ | |
| 63 | 0, /* lcount */ | |
| 64 | 0x7fffffff, /* llimit */ | |
| 65 | &_iob[1], /* fbuf */ | |
| 66 | ERR, /* fchain */ | |
| 67 | STDLVL, /* flev */ | |
| 68 | "standard output", /* pfname */ | |
| 69 | FTEXT | FWRITE | EOFF, /* funit */ | |
| 70 | 1, /* fblk */ | |
| 71 | 1 /* fsize */ | |
| 72 | }; | |
| 73 | struct iorechd _err = { | |
| 74 | &_errwin, /* fileptr */ | |
| 75 | 0, /* lcount */ | |
| 76 | 0x7fffffff, /* llimit */ | |
| 77 | &_iob[2], /* fbuf */ | |
| 78 | FILNIL, /* fchain */ | |
| 79 | STDLVL, /* flev */ | |
| 80 | "Message file", /* pfname */ | |
| 81 | FTEXT | FWRITE | EOFF, /* funit */ | |
| 82 | 2, /* fblk */ | |
| 83 | 1 /* fsize */ | |
| 84 | }; | |
| 85 | ||
| 15834a19 KM |
86 | /* |
| 87 | * Px profile array | |
| 88 | */ | |
| 89 | #ifdef PROFILE | |
| 90 | long _profcnts[NUMOPS]; | |
| 91 | #endif PROFILE | |
| 92 | ||
| 93 | /* | |
| 94 | * debugging variables | |
| 95 | */ | |
| 96 | #ifdef DEBUG | |
| 97 | char opc[10]; | |
| 98 | long opcptr = 9; | |
| 99 | #endif DEBUG | |
| 100 | \f | |
| 43017a6f KM |
101 | interpreter(base) |
| 102 | char *base; | |
| 103 | { | |
| 104 | union progcntr pc; /* interpreted program cntr */ | |
| 105 | register char *vpc; /* register used for "pc" */ | |
| 106 | struct iorec *curfile; /* active file */ | |
| 107 | register struct stack *stp; /* active stack frame ptr */ | |
| 108 | /* | |
| 109 | * the following variables are used as scratch | |
| 110 | */ | |
| 111 | double td, td1; | |
| 112 | register long tl, tl1, tl2; | |
| 113 | long *tlp; | |
| 114 | short *tsp, *tsp1; | |
| 115 | register char *tcp; | |
| 116 | char *tcp1; | |
| 117 | struct stack *tstp; | |
| 118 | struct formalrtn *tfp; | |
| 119 | union progcntr tpc; | |
| 120 | struct iorec **ip; | |
| 121 | ||
| 122 | /* | |
| 123 | * necessary only on systems which do not initialize | |
| 124 | * memory to zero | |
| 125 | */ | |
| 126 | for (ip = &_actfile[3]; ip < &_actfile[MAXFILES]; *ip++ = FILNIL) | |
| 127 | /* void */; | |
| 128 | /* | |
| 129 | * set up global environment, then ``call'' the main program | |
| 130 | */ | |
| 15834a19 KM |
131 | _display.frame[0].locvars = pushsp(2 * sizeof(struct iorec *)); |
| 132 | _display.frame[0].locvars += 8; /* local offsets are negative */ | |
| 133 | *(struct iorec **)(_display.frame[0].locvars - 4) = OUTPUT; | |
| 134 | *(struct iorec **)(_display.frame[0].locvars - 8) = INPUT; | |
| 135 | enableovrflo(); | |
| 43017a6f | 136 | stp = (struct stack *)pushsp(sizeof(struct stack)); |
| 15834a19 | 137 | _dp = &_display.frame[0]; |
| 43017a6f KM |
138 | pc.cp = base; |
| 139 | for(;;) { | |
| 15834a19 | 140 | # ifdef DEBUG |
| 43017a6f KM |
141 | if (++opcptr == 10) |
| 142 | opcptr = 0; | |
| 143 | opc[opcptr] = *pc.ucp; | |
| 15834a19 KM |
144 | # endif DEBUG |
| 145 | # ifdef PROFILE | |
| 146 | _profcnts[*pc.ucp]++; | |
| 147 | # endif PROFILE | |
| 43017a6f KM |
148 | switch (*pc.ucp++) { |
| 149 | default: | |
| 150 | panic(PBADOP); | |
| 151 | continue; | |
| 152 | case O_NODUMP: | |
| 153 | _nodump++; | |
| 15834a19 | 154 | disableovrflo(); |
| 43017a6f KM |
155 | /* and fall through */ |
| 156 | case O_BEG: | |
| 157 | _dp += 1; /* enter local scope */ | |
| 158 | stp->odisp = *_dp; /* save old display value */ | |
| 159 | tl = *pc.ucp++; /* tl = name size */ | |
| 160 | stp->entry = pc.hdrp; /* pointer to entry info */ | |
| 15834a19 | 161 | tl1 = *pc.lp++; /* tl1 = local variable size */ |
| 43017a6f KM |
162 | pc.lp++; /* skip over number of args */ |
| 163 | _lino = *pc.usp++; /* set new lino */ | |
| 164 | pc.cp += tl; /* skip over name text */ | |
| 165 | stp->file = curfile; /* save active file */ | |
| 166 | tcp = pushsp(tl1); /* tcp = new top of stack */ | |
| 167 | blkclr(tl1, tcp); /* zero stack frame */ | |
| 15834a19 KM |
168 | tcp += tl1; /* offsets of locals are neg */ |
| 169 | _dp->locvars = tcp; /* set new display pointer */ | |
| 170 | _dp->stp = stp; | |
| 43017a6f | 171 | stp->tos = pushsp(0); /* set top of stack pointer */ |
| 43017a6f KM |
172 | continue; |
| 173 | case O_END: | |
| 174 | PCLOSE(_dp->locvars); /* flush & close local files */ | |
| 175 | stp = _dp->stp; | |
| 176 | curfile = stp->file; /* restore old active file */ | |
| 177 | *_dp = stp->odisp; /* restore old display entry */ | |
| 15834a19 | 178 | if (_dp == &_display.frame[1]) |
| 43017a6f KM |
179 | return; /* exiting main proc ??? */ |
| 180 | _lino = stp->lino; /* restore lino, pc, dp */ | |
| 181 | pc.cp = stp->pc.cp; | |
| 182 | _dp = stp->dp; | |
| 15834a19 | 183 | popsp(stp->entry->framesze + /* pop local vars */ |
| 43017a6f KM |
184 | sizeof(struct stack) + /* pop stack frame */ |
| 185 | stp->entry->nargs); /* pop parms */ | |
| 186 | continue; | |
| 187 | case O_CALL: | |
| 188 | tl = *pc.cp++; | |
| 189 | tcp = base + *pc.lp++;/* calc new entry point */ | |
| 190 | tcp += sizeof(short); | |
| 191 | tcp = base + *(long *)tcp; | |
| 192 | stp = (struct stack *)pushsp(sizeof(struct stack)); | |
| 193 | stp->lino = _lino; /* save lino, pc, dp */ | |
| 194 | stp->pc.cp = pc.cp; | |
| 195 | stp->dp = _dp; | |
| 15834a19 | 196 | _dp = &_display.frame[tl]; /* set up new display ptr */ |
| 43017a6f KM |
197 | pc.cp = tcp; |
| 198 | continue; | |
| 199 | case O_FCALL: | |
| 200 | tl = *pc.cp++; /* tl = number of args */ | |
| 201 | if (tl == 0) | |
| 202 | tl = *pc.lp++; | |
| 203 | tfp = (struct formalrtn *)popaddr(); | |
| 204 | stp = (struct stack *)pushsp(sizeof(struct stack)); | |
| 205 | stp->lino = _lino; /* save lino, pc, dp */ | |
| 206 | stp->pc.cp = pc.cp; | |
| 207 | stp->dp = _dp; | |
| 208 | pc.cp = tfp->entryaddr; /* calc new entry point */ | |
| 209 | tpc.sp = pc.sp + 1; | |
| 210 | tl -= tpc.hdrp->nargs; | |
| 211 | if (tl != 0) { | |
| 212 | if (tl > 0) | |
| 213 | tl += sizeof(int) - 1; | |
| 214 | else | |
| 215 | tl -= sizeof(int) - 1; | |
| 216 | ERROR(ENARGS, tl / sizeof(int)); | |
| 217 | } | |
| 15834a19 | 218 | _dp = &_display.frame[tfp->cbn];/* new display ptr */ |
| 43017a6f | 219 | blkcpy(sizeof(struct disp) * tfp->cbn, |
| 15834a19 | 220 | &_display.frame[1], &tfp->disp[tfp->cbn]); |
| 43017a6f | 221 | blkcpy(sizeof(struct disp) * tfp->cbn, |
| 15834a19 | 222 | &tfp->disp[0], &_display.frame[1]); |
| 43017a6f KM |
223 | continue; |
| 224 | case O_FRTN: | |
| 225 | tl = *pc.cp++; /* tl = size of return obj */ | |
| 226 | if (tl == 0) | |
| 227 | tl = *pc.usp++; | |
| 228 | tcp = pushsp(0); | |
| 229 | tfp = *(struct formalrtn **)(tcp + tl); | |
| 230 | blkcpy(tl, tcp, tcp + sizeof(struct formalrtn *)); | |
| 231 | popsp(sizeof(struct formalrtn *)); | |
| 232 | blkcpy(sizeof(struct disp) * tfp->cbn, | |
| 15834a19 | 233 | &tfp->disp[tfp->cbn], &_display.frame[1]); |
| 43017a6f KM |
234 | continue; |
| 235 | case O_FSAV: | |
| 236 | tfp = (struct formalrtn *)popaddr(); | |
| 237 | tfp->cbn = *pc.cp++; /* blk number of routine */ | |
| 238 | tcp = base + *pc.lp++;/* calc new entry point */ | |
| 239 | tcp += sizeof(short); | |
| 240 | tfp->entryaddr = base + *(long *)tcp; | |
| 241 | blkcpy(sizeof(struct disp) * tfp->cbn, | |
| 15834a19 | 242 | &_display.frame[1], &tfp->disp[0]); |
| 43017a6f KM |
243 | pushaddr(tfp); |
| 244 | continue; | |
| 245 | case O_SDUP2: | |
| 246 | pc.cp++; | |
| 247 | tl = pop2(); | |
| 248 | push2(tl); | |
| 249 | push2(tl); | |
| 250 | continue; | |
| 251 | case O_SDUP4: | |
| 252 | pc.cp++; | |
| 253 | tl = pop4(); | |
| 254 | push4(tl); | |
| 255 | push4(tl); | |
| 256 | continue; | |
| 257 | case O_TRA: | |
| 258 | pc.cp++; | |
| 259 | pc.cp += *pc.sp; | |
| 260 | continue; | |
| 261 | case O_TRA4: | |
| 262 | pc.cp++; | |
| 263 | pc.cp = base + *pc.lp; | |
| 264 | continue; | |
| 265 | case O_GOTO: | |
| 15834a19 KM |
266 | tstp = _display.frame[*pc.cp++].stp; /* ptr to |
| 267 | exit frame */ | |
| 43017a6f KM |
268 | pc.cp = base + *pc.lp; |
| 269 | stp = _dp->stp; | |
| 270 | while (tstp != stp) { | |
| 15834a19 | 271 | if (_dp == &_display.frame[1]) |
| 43017a6f KM |
272 | ERROR(EGOTO); /* exiting prog ??? */ |
| 273 | PCLOSE(_dp->locvars); /* close local files */ | |
| 274 | curfile = stp->file; /* restore active file */ | |
| 275 | *_dp = stp->odisp; /* old display entry */ | |
| 276 | _dp = stp->dp; /* restore dp */ | |
| 277 | stp = _dp->stp; | |
| 278 | } | |
| 279 | /* pop locals, stack frame, parms, and return values */ | |
| 280 | popsp(stp->tos - pushsp(0)); | |
| 281 | continue; | |
| 282 | case O_LINO: | |
| 283 | if (_dp->stp->tos != pushsp(0)) | |
| 284 | panic(PSTKNEMP); | |
| 285 | _lino = *pc.cp++; /* set line number */ | |
| 286 | if (_lino == 0) | |
| 287 | _lino = *pc.sp++; | |
| 288 | LINO(); /* inc statement count */ | |
| 289 | continue; | |
| 290 | case O_PUSH: | |
| 291 | tl = *pc.cp++; | |
| 292 | if (tl == 0) | |
| 293 | tl = *pc.usp++; | |
| 294 | tl = (-tl + 1) & ~1; | |
| 295 | tcp = pushsp(tl); | |
| 296 | blkclr(tl, tcp); | |
| 297 | continue; | |
| 298 | case O_IF: | |
| 299 | pc.cp++; | |
| 300 | if (pop2()) | |
| 301 | pc.sp++; | |
| 302 | else | |
| 303 | pc.cp += *pc.sp; | |
| 304 | continue; | |
| 305 | case O_REL2: | |
| 306 | tl = pop2(); | |
| 307 | tl1 = pop2(); | |
| 308 | goto cmplong; | |
| 309 | case O_REL24: | |
| 310 | tl = pop2(); | |
| 311 | tl1 = pop4(); | |
| 312 | goto cmplong; | |
| 313 | case O_REL42: | |
| 314 | tl = pop4(); | |
| 315 | tl1 = pop2(); | |
| 316 | goto cmplong; | |
| 317 | case O_REL4: | |
| 318 | tl = pop4(); | |
| 319 | tl1 = pop4(); | |
| 320 | cmplong: | |
| 321 | tl2 = *pc.cp++; | |
| 322 | switch (tl2) { | |
| 323 | case releq: | |
| 324 | push2(tl1 == tl); | |
| 325 | continue; | |
| 326 | case relne: | |
| 327 | push2(tl1 != tl); | |
| 328 | continue; | |
| 329 | case rellt: | |
| 330 | push2(tl1 < tl); | |
| 331 | continue; | |
| 332 | case relgt: | |
| 333 | push2(tl1 > tl); | |
| 334 | continue; | |
| 335 | case relle: | |
| 336 | push2(tl1 <= tl); | |
| 337 | continue; | |
| 338 | case relge: | |
| 339 | push2(tl1 >= tl); | |
| 340 | continue; | |
| 341 | default: | |
| 342 | panic(PSYSTEM); | |
| 343 | continue; | |
| 344 | } | |
| 345 | case O_RELG: | |
| 346 | tl2 = *pc.cp++; /* tc has jump opcode */ | |
| 347 | tl = *pc.usp++; /* tl has comparison length */ | |
| 348 | tl1 = (tl + 1) & ~1; /* tl1 has arg stack length */ | |
| 349 | tcp = pushsp(0); /* tcp pts to first arg */ | |
| 350 | switch (tl2) { | |
| 351 | case releq: | |
| 352 | tl = RELEQ(tl, tcp + tl1, tcp); | |
| 353 | break; | |
| 354 | case relne: | |
| 355 | tl = RELNE(tl, tcp + tl1, tcp); | |
| 356 | break; | |
| 357 | case rellt: | |
| 358 | tl = RELSLT(tl, tcp + tl1, tcp); | |
| 359 | break; | |
| 360 | case relgt: | |
| 361 | tl = RELSGT(tl, tcp + tl1, tcp); | |
| 362 | break; | |
| 363 | case relle: | |
| 364 | tl = RELSLE(tl, tcp + tl1, tcp); | |
| 365 | break; | |
| 366 | case relge: | |
| 367 | tl = RELSGE(tl, tcp + tl1, tcp); | |
| 368 | break; | |
| 369 | default: | |
| 370 | panic(PSYSTEM); | |
| 371 | break; | |
| 372 | } | |
| 373 | popsp(tl1 << 1); | |
| 374 | push2(tl); | |
| 375 | continue; | |
| 376 | case O_RELT: | |
| 377 | tl2 = *pc.cp++; /* tc has jump opcode */ | |
| 378 | tl1 = *pc.usp++; /* tl1 has comparison length */ | |
| 379 | tcp = pushsp(0); /* tcp pts to first arg */ | |
| 380 | switch (tl2) { | |
| 381 | case releq: | |
| 382 | tl = RELEQ(tl1, tcp + tl1, tcp); | |
| 383 | break; | |
| 384 | case relne: | |
| 385 | tl = RELNE(tl1, tcp + tl1, tcp); | |
| 386 | break; | |
| 387 | case rellt: | |
| 388 | tl = RELTLT(tl1, tcp + tl1, tcp); | |
| 389 | break; | |
| 390 | case relgt: | |
| 391 | tl = RELTGT(tl1, tcp + tl1, tcp); | |
| 392 | break; | |
| 393 | case relle: | |
| 394 | tl = RELTLE(tl1, tcp + tl1, tcp); | |
| 395 | break; | |
| 396 | case relge: | |
| 397 | tl = RELTGE(tl1, tcp + tl1, tcp); | |
| 398 | break; | |
| 399 | default: | |
| 400 | panic(PSYSTEM); | |
| 401 | break; | |
| 402 | } | |
| 403 | popsp(tl1 << 1); | |
| 404 | push2(tl); | |
| 405 | continue; | |
| 406 | case O_REL28: | |
| 407 | td = pop2(); | |
| 408 | td1 = pop8(); | |
| 409 | goto cmpdbl; | |
| 410 | case O_REL48: | |
| 411 | td = pop4(); | |
| 412 | td1 = pop8(); | |
| 413 | goto cmpdbl; | |
| 414 | case O_REL82: | |
| 415 | td = pop8(); | |
| 416 | td1 = pop2(); | |
| 417 | goto cmpdbl; | |
| 418 | case O_REL84: | |
| 419 | td = pop8(); | |
| 420 | td1 = pop4(); | |
| 421 | goto cmpdbl; | |
| 422 | case O_REL8: | |
| 423 | td = pop8(); | |
| 424 | td1 = pop8(); | |
| 425 | cmpdbl: | |
| 426 | switch (*pc.cp++) { | |
| 427 | case releq: | |
| 428 | push2(td1 == td); | |
| 429 | continue; | |
| 430 | case relne: | |
| 431 | push2(td1 != td); | |
| 432 | continue; | |
| 433 | case rellt: | |
| 434 | push2(td1 < td); | |
| 435 | continue; | |
| 436 | case relgt: | |
| 437 | push2(td1 > td); | |
| 438 | continue; | |
| 439 | case relle: | |
| 440 | push2(td1 <= td); | |
| 441 | continue; | |
| 442 | case relge: | |
| 443 | push2(td1 >= td); | |
| 444 | continue; | |
| 445 | default: | |
| 446 | panic(PSYSTEM); | |
| 447 | continue; | |
| 448 | } | |
| 449 | case O_AND: | |
| 450 | pc.cp++; | |
| 451 | push2(pop2() & pop2()); | |
| 452 | continue; | |
| 453 | case O_OR: | |
| 454 | pc.cp++; | |
| 455 | push2(pop2() | pop2()); | |
| 456 | continue; | |
| 457 | case O_NOT: | |
| 458 | pc.cp++; | |
| 459 | push2(pop2() ^ 1); | |
| 460 | continue; | |
| 461 | case O_AS2: | |
| 462 | pc.cp++; | |
| 463 | tl = pop2(); | |
| 464 | *(short *)popaddr() = tl; | |
| 465 | continue; | |
| 466 | case O_AS4: | |
| 467 | pc.cp++; | |
| 468 | tl = pop4(); | |
| 469 | *(long *)popaddr() = tl; | |
| 470 | continue; | |
| 471 | case O_AS24: | |
| 472 | pc.cp++; | |
| 473 | tl = pop2(); | |
| 474 | *(long *)popaddr() = tl; | |
| 475 | continue; | |
| 476 | case O_AS42: | |
| 477 | pc.cp++; | |
| 478 | tl = pop4(); | |
| 479 | *(short *)popaddr() = tl; | |
| 480 | continue; | |
| 481 | case O_AS21: | |
| 482 | pc.cp++; | |
| 483 | tl = pop2(); | |
| 484 | *popaddr() = tl; | |
| 485 | continue; | |
| 486 | case O_AS41: | |
| 487 | pc.cp++; | |
| 488 | tl = pop4(); | |
| 489 | *popaddr() = tl; | |
| 490 | continue; | |
| 491 | case O_AS28: | |
| 492 | pc.cp++; | |
| 493 | tl = pop2(); | |
| 494 | *(double *)popaddr() = tl; | |
| 495 | continue; | |
| 496 | case O_AS48: | |
| 497 | pc.cp++; | |
| 498 | tl = pop4(); | |
| 499 | *(double *)popaddr() = tl; | |
| 500 | continue; | |
| 501 | case O_AS8: | |
| 502 | pc.cp++; | |
| 503 | td = pop8(); | |
| 504 | *(double *)popaddr() = td; | |
| 505 | continue; | |
| 506 | case O_AS: | |
| 507 | tl = *pc.cp++; | |
| 508 | if (tl == 0) | |
| 509 | tl = *pc.usp++; | |
| 510 | tl1 = (tl + 1) & ~1; | |
| 511 | tcp = pushsp(0); | |
| 512 | blkcpy(tl, tcp, *(char **)(tcp + tl1)); | |
| 513 | popsp(tl1 + sizeof(char *)); | |
| 514 | continue; | |
| 515 | case O_INX2P2: | |
| 516 | tl = *pc.cp++; /* tl has shift amount */ | |
| 517 | tl1 = (pop2() - *pc.sp++) << tl; | |
| 518 | pushaddr(popaddr() + tl1); | |
| 519 | continue; | |
| 520 | case O_INX4P2: | |
| 521 | tl = *pc.cp++; /* tl has shift amount */ | |
| 522 | tl1 = (pop4() - *pc.sp++) << tl; | |
| 523 | pushaddr(popaddr() + tl1); | |
| 524 | continue; | |
| 525 | case O_INX2: | |
| 526 | tl = *pc.cp++; /* tl has element size */ | |
| 527 | if (tl == 0) | |
| 528 | tl = *pc.usp++; | |
| 529 | tl1 = pop2(); /* index */ | |
| 530 | tl2 = *pc.sp++; | |
| 15834a19 | 531 | SUBSC(tl1, tl2, *pc.usp++); /* range check */ |
| 43017a6f KM |
532 | pushaddr(popaddr() + (tl1 - tl2) * tl); |
| 533 | continue; | |
| 534 | case O_INX4: | |
| 535 | tl = *pc.cp++; /* tl has element size */ | |
| 536 | if (tl == 0) | |
| 537 | tl = *pc.usp++; | |
| 538 | tl1 = pop4(); /* index */ | |
| 539 | tl2 = *pc.sp++; | |
| 15834a19 | 540 | SUBSC(tl1, tl2, *pc.usp++); /* range check */ |
| 43017a6f KM |
541 | pushaddr(popaddr() + (tl1 - tl2) * tl); |
| 542 | continue; | |
| 543 | case O_OFF: | |
| 544 | tl = *pc.cp++; | |
| 545 | if (tl == 0) | |
| 546 | tl = *pc.usp++; | |
| 547 | push4(pop4() + tl); | |
| 548 | continue; | |
| 549 | case O_NIL: | |
| 550 | pc.cp++; | |
| 551 | NIL(); | |
| 552 | continue; | |
| 553 | case O_ADD2: | |
| 554 | pc.cp++; | |
| 555 | push4(pop2() + pop2()); | |
| 556 | continue; | |
| 557 | case O_ADD4: | |
| 558 | pc.cp++; | |
| 559 | push4(pop4() + pop4()); | |
| 560 | continue; | |
| 561 | case O_ADD24: | |
| 562 | pc.cp++; | |
| 563 | tl = pop2(); | |
| 564 | push4(pop4() + tl); | |
| 565 | continue; | |
| 566 | case O_ADD42: | |
| 567 | pc.cp++; | |
| 568 | tl = pop4(); | |
| 569 | push4(pop2() + tl); | |
| 570 | continue; | |
| 571 | case O_ADD28: | |
| 572 | pc.cp++; | |
| 573 | tl = pop2(); | |
| 574 | push8(pop8() + tl); | |
| 575 | continue; | |
| 576 | case O_ADD48: | |
| 577 | pc.cp++; | |
| 578 | tl = pop4(); | |
| 579 | push8(pop8() + tl); | |
| 580 | continue; | |
| 581 | case O_ADD82: | |
| 582 | pc.cp++; | |
| 583 | td = pop8(); | |
| 584 | push8(pop2() + td); | |
| 585 | continue; | |
| 586 | case O_ADD84: | |
| 587 | pc.cp++; | |
| 588 | td = pop8(); | |
| 589 | push8(pop4() + td); | |
| 590 | continue; | |
| 591 | case O_SUB2: | |
| 592 | pc.cp++; | |
| 593 | tl = pop2(); | |
| 594 | push4(pop2() - tl); | |
| 595 | continue; | |
| 596 | case O_SUB4: | |
| 597 | pc.cp++; | |
| 598 | tl = pop4(); | |
| 599 | push4(pop4() - tl); | |
| 600 | continue; | |
| 601 | case O_SUB24: | |
| 602 | pc.cp++; | |
| 603 | tl = pop2(); | |
| 604 | push4(pop4() - tl); | |
| 605 | continue; | |
| 606 | case O_SUB42: | |
| 607 | pc.cp++; | |
| 608 | tl = pop4(); | |
| 609 | push4(pop2() - tl); | |
| 610 | continue; | |
| 611 | case O_SUB28: | |
| 612 | pc.cp++; | |
| 613 | tl = pop2(); | |
| 614 | push8(pop8() - tl); | |
| 615 | continue; | |
| 616 | case O_SUB48: | |
| 617 | pc.cp++; | |
| 618 | tl = pop4(); | |
| 619 | push8(pop8() - tl); | |
| 620 | continue; | |
| 621 | case O_SUB82: | |
| 622 | pc.cp++; | |
| 623 | td = pop8(); | |
| 624 | push8(pop2() - td); | |
| 625 | continue; | |
| 626 | case O_SUB84: | |
| 627 | pc.cp++; | |
| 628 | td = pop8(); | |
| 629 | push8(pop4() - td); | |
| 630 | continue; | |
| 631 | case O_MUL2: | |
| 632 | pc.cp++; | |
| 633 | push4(pop2() * pop2()); | |
| 634 | continue; | |
| 635 | case O_MUL4: | |
| 636 | pc.cp++; | |
| 637 | push4(pop4() * pop4()); | |
| 638 | continue; | |
| 639 | case O_MUL24: | |
| 640 | pc.cp++; | |
| 641 | tl = pop2(); | |
| 642 | push4(pop4() * tl); | |
| 643 | continue; | |
| 644 | case O_MUL42: | |
| 645 | pc.cp++; | |
| 646 | tl = pop4(); | |
| 647 | push4(pop2() * tl); | |
| 648 | continue; | |
| 649 | case O_MUL28: | |
| 650 | pc.cp++; | |
| 651 | tl = pop2(); | |
| 652 | push8(pop8() * tl); | |
| 653 | continue; | |
| 654 | case O_MUL48: | |
| 655 | pc.cp++; | |
| 656 | tl = pop4(); | |
| 657 | push8(pop8() * tl); | |
| 658 | continue; | |
| 659 | case O_MUL82: | |
| 660 | pc.cp++; | |
| 661 | td = pop8(); | |
| 662 | push8(pop2() * td); | |
| 663 | continue; | |
| 664 | case O_MUL84: | |
| 665 | pc.cp++; | |
| 666 | td = pop8(); | |
| 667 | push8(pop4() * td); | |
| 668 | continue; | |
| 669 | case O_ABS2: | |
| 670 | case O_ABS4: | |
| 671 | pc.cp++; | |
| 672 | tl = pop4(); | |
| 673 | push4(tl >= 0 ? tl : -tl); | |
| 674 | continue; | |
| 675 | case O_ABS8: | |
| 676 | pc.cp++; | |
| 677 | td = pop8(); | |
| 678 | push8(td >= 0.0 ? td : -td); | |
| 679 | continue; | |
| 680 | case O_NEG2: | |
| 681 | pc.cp++; | |
| 682 | push4(-pop2()); | |
| 683 | continue; | |
| 684 | case O_NEG4: | |
| 685 | pc.cp++; | |
| 686 | push4(-pop4()); | |
| 687 | continue; | |
| 688 | case O_NEG8: | |
| 689 | pc.cp++; | |
| 690 | push8(-pop8()); | |
| 691 | continue; | |
| 692 | case O_DIV2: | |
| 693 | pc.cp++; | |
| 694 | tl = pop2(); | |
| 695 | push4(pop2() / tl); | |
| 696 | continue; | |
| 697 | case O_DIV4: | |
| 698 | pc.cp++; | |
| 699 | tl = pop4(); | |
| 700 | push4(pop4() / tl); | |
| 701 | continue; | |
| 702 | case O_DIV24: | |
| 703 | pc.cp++; | |
| 704 | tl = pop2(); | |
| 705 | push4(pop4() / tl); | |
| 706 | continue; | |
| 707 | case O_DIV42: | |
| 708 | pc.cp++; | |
| 709 | tl = pop4(); | |
| 710 | push4(pop2() / tl); | |
| 711 | continue; | |
| 712 | case O_MOD2: | |
| 713 | pc.cp++; | |
| 714 | tl = pop2(); | |
| 715 | push4(pop2() % tl); | |
| 716 | continue; | |
| 717 | case O_MOD4: | |
| 718 | pc.cp++; | |
| 719 | tl = pop4(); | |
| 720 | push4(pop4() % tl); | |
| 721 | continue; | |
| 722 | case O_MOD24: | |
| 723 | pc.cp++; | |
| 724 | tl = pop2(); | |
| 725 | push4(pop4() % tl); | |
| 726 | continue; | |
| 727 | case O_MOD42: | |
| 728 | pc.cp++; | |
| 729 | tl = pop4(); | |
| 730 | push4(pop2() % tl); | |
| 731 | continue; | |
| 732 | case O_ADD8: | |
| 733 | pc.cp++; | |
| 734 | push8(pop8() + pop8()); | |
| 735 | continue; | |
| 736 | case O_SUB8: | |
| 737 | pc.cp++; | |
| 738 | td = pop8(); | |
| 739 | push8(pop8() - td); | |
| 740 | continue; | |
| 741 | case O_MUL8: | |
| 742 | pc.cp++; | |
| 743 | push8(pop8() * pop8()); | |
| 744 | continue; | |
| 745 | case O_DVD8: | |
| 746 | pc.cp++; | |
| 747 | td = pop8(); | |
| 748 | push8(pop8() / td); | |
| 749 | continue; | |
| 750 | case O_STOI: | |
| 751 | pc.cp++; | |
| 752 | push4(pop2()); | |
| 753 | continue; | |
| 754 | case O_STOD: | |
| 755 | pc.cp++; | |
| 756 | td = pop2(); | |
| 757 | push8(td); | |
| 758 | continue; | |
| 759 | case O_ITOD: | |
| 760 | pc.cp++; | |
| 761 | td = pop4(); | |
| 762 | push8(td); | |
| 763 | continue; | |
| 764 | case O_ITOS: | |
| 765 | pc.cp++; | |
| 766 | push2(pop4()); | |
| 767 | continue; | |
| 768 | case O_DVD2: | |
| 769 | pc.cp++; | |
| 770 | td = pop2(); | |
| 771 | push8(pop2() / td); | |
| 772 | continue; | |
| 773 | case O_DVD4: | |
| 774 | pc.cp++; | |
| 775 | td = pop4(); | |
| 776 | push8(pop4() / td); | |
| 777 | continue; | |
| 778 | case O_DVD24: | |
| 779 | pc.cp++; | |
| 780 | td = pop2(); | |
| 781 | push8(pop4() / td); | |
| 782 | continue; | |
| 783 | case O_DVD42: | |
| 784 | pc.cp++; | |
| 785 | td = pop4(); | |
| 786 | push8(pop2() / td); | |
| 787 | continue; | |
| 788 | case O_DVD28: | |
| 789 | pc.cp++; | |
| 790 | td = pop2(); | |
| 791 | push8(pop8() / td); | |
| 792 | continue; | |
| 793 | case O_DVD48: | |
| 794 | pc.cp++; | |
| 795 | td = pop4(); | |
| 796 | push8(pop8() / td); | |
| 797 | continue; | |
| 798 | case O_DVD82: | |
| 799 | pc.cp++; | |
| 800 | td = pop8(); | |
| 801 | push8(pop2() / td); | |
| 802 | continue; | |
| 803 | case O_DVD84: | |
| 804 | pc.cp++; | |
| 805 | td = pop8(); | |
| 806 | push8(pop4() / td); | |
| 807 | continue; | |
| 808 | case O_RV1: | |
| 15834a19 | 809 | tcp = _display.raw[*pc.ucp++]; |
| 43017a6f KM |
810 | push2(*(tcp + *pc.sp++)); |
| 811 | continue; | |
| 812 | case O_RV14: | |
| 15834a19 | 813 | tcp = _display.raw[*pc.ucp++]; |
| 43017a6f KM |
814 | push4(*(tcp + *pc.sp++)); |
| 815 | continue; | |
| 816 | case O_RV2: | |
| 15834a19 | 817 | tcp = _display.raw[*pc.ucp++]; |
| 43017a6f KM |
818 | push2(*(short *)(tcp + *pc.sp++)); |
| 819 | continue; | |
| 820 | case O_RV24: | |
| 15834a19 | 821 | tcp = _display.raw[*pc.ucp++]; |
| 43017a6f KM |
822 | push4(*(short *)(tcp + *pc.sp++)); |
| 823 | continue; | |
| 824 | case O_RV4: | |
| 15834a19 | 825 | tcp = _display.raw[*pc.ucp++]; |
| 43017a6f KM |
826 | push4(*(long *)(tcp + *pc.sp++)); |
| 827 | continue; | |
| 828 | case O_RV8: | |
| 15834a19 | 829 | tcp = _display.raw[*pc.ucp++]; |
| 43017a6f KM |
830 | push8(*(double *)(tcp + *pc.sp++)); |
| 831 | continue; | |
| 832 | case O_RV: | |
| 15834a19 | 833 | tcp = _display.raw[*pc.ucp++]; |
| 43017a6f KM |
834 | tcp += *pc.sp++; |
| 835 | tl = *pc.usp++; | |
| 836 | tcp1 = pushsp(tl); | |
| 837 | blkcpy(tl, tcp, tcp1); | |
| 838 | continue; | |
| 839 | case O_LV: | |
| 15834a19 | 840 | tcp = _display.raw[*pc.ucp++]; |
| 43017a6f KM |
841 | pushaddr(tcp + *pc.sp++); |
| 842 | continue; | |
| 843 | case O_LRV1: | |
| 15834a19 | 844 | tcp = _display.raw[*pc.ucp++]; |
| 43017a6f KM |
845 | push2(*(tcp + *pc.lp++)); |
| 846 | continue; | |
| 847 | case O_LRV14: | |
| 15834a19 | 848 | tcp = _display.raw[*pc.ucp++]; |
| 43017a6f KM |
849 | push4(*(tcp + *pc.lp++)); |
| 850 | continue; | |
| 851 | case O_LRV2: | |
| 15834a19 | 852 | tcp = _display.raw[*pc.ucp++]; |
| 43017a6f KM |
853 | push2(*(short *)(tcp + *pc.lp++)); |
| 854 | continue; | |
| 855 | case O_LRV24: | |
| 15834a19 | 856 | tcp = _display.raw[*pc.ucp++]; |
| 43017a6f KM |
857 | push4(*(short *)(tcp + *pc.lp++)); |
| 858 | continue; | |
| 859 | case O_LRV4: | |
| 15834a19 | 860 | tcp = _display.raw[*pc.ucp++]; |
| 43017a6f KM |
861 | push4(*(long *)(tcp + *pc.lp++)); |
| 862 | continue; | |
| 863 | case O_LRV8: | |
| 15834a19 | 864 | tcp = _display.raw[*pc.ucp++]; |
| 43017a6f KM |
865 | push8(*(double *)(tcp + *pc.lp++)); |
| 866 | continue; | |
| 867 | case O_LRV: | |
| 15834a19 | 868 | tcp = _display.raw[*pc.ucp++]; |
| 43017a6f KM |
869 | tcp += *pc.lp++; |
| 870 | tl = *pc.usp++; | |
| 871 | tcp1 = pushsp(tl); | |
| 872 | blkcpy(tl, tcp, tcp1); | |
| 873 | continue; | |
| 874 | case O_LLV: | |
| 15834a19 | 875 | tcp = _display.raw[*pc.ucp++]; |
| 43017a6f KM |
876 | pushaddr(tcp + *pc.lp++); |
| 877 | continue; | |
| 878 | case O_IND1: | |
| 879 | pc.cp++; | |
| 880 | push2(*popaddr()); | |
| 881 | continue; | |
| 882 | case O_IND14: | |
| 883 | pc.cp++; | |
| 884 | push4(*popaddr()); | |
| 885 | continue; | |
| 886 | case O_IND2: | |
| 887 | pc.cp++; | |
| 888 | push2(*(short *)(popaddr())); | |
| 889 | continue; | |
| 890 | case O_IND24: | |
| 891 | pc.cp++; | |
| 892 | push4(*(short *)(popaddr())); | |
| 893 | continue; | |
| 894 | case O_IND4: | |
| 895 | pc.cp++; | |
| 896 | push4(*(long *)(popaddr())); | |
| 897 | continue; | |
| 898 | case O_IND8: | |
| 899 | pc.cp++; | |
| 900 | push8(*(double *)(popaddr())); | |
| 901 | continue; | |
| 902 | case O_IND: | |
| 903 | tl = *pc.cp++; | |
| 904 | if (tl == 0) | |
| 905 | tl = *pc.usp++; | |
| 906 | tcp = popaddr(); | |
| 907 | tcp1 = pushsp((tl + 1) & ~1); | |
| 908 | blkcpy(tl, tcp, tcp1); | |
| 909 | continue; | |
| 910 | case O_CON1: | |
| 911 | push2(*pc.cp++); | |
| 912 | continue; | |
| 913 | case O_CON14: | |
| 914 | push4(*pc.cp++); | |
| 915 | continue; | |
| 916 | case O_CON2: | |
| 917 | pc.cp++; | |
| 918 | push2(*pc.sp++); | |
| 919 | continue; | |
| 920 | case O_CON24: | |
| 921 | pc.cp++; | |
| 922 | push4(*pc.sp++); | |
| 923 | continue; | |
| 924 | case O_CON4: | |
| 925 | pc.cp++; | |
| 926 | push4(*pc.lp++); | |
| 927 | continue; | |
| 928 | case O_CON8: | |
| 929 | pc.cp++; | |
| 930 | push8(*pc.dp++); | |
| 931 | continue; | |
| 932 | case O_CON: | |
| 933 | tl = *pc.cp++; | |
| 934 | if (tl == 0) | |
| 935 | tl = *pc.usp++; | |
| 936 | tl = (tl + 1) & ~1; | |
| 937 | tcp = pushsp(tl); | |
| 938 | blkcpy(tl, pc.cp, tcp); | |
| 939 | pc.cp += tl; | |
| 940 | continue; | |
| 941 | case O_LVCON: | |
| 942 | tl = *pc.cp++; | |
| 943 | if (tl == 0) | |
| 944 | tl = *pc.usp++; | |
| 945 | tl = (tl + 1) & ~1; | |
| 946 | pushaddr(pc.cp); | |
| 947 | pc.cp += tl; | |
| 948 | continue; | |
| 949 | case O_RANG2: | |
| 950 | tl = *pc.cp++; | |
| 951 | if (tl == 0) | |
| 952 | tl = *pc.sp++; | |
| 953 | tl1 = pop2(); | |
| 954 | push2(RANG4(tl1, tl, *pc.sp++)); | |
| 955 | continue; | |
| 956 | case O_RANG42: | |
| 957 | tl = *pc.cp++; | |
| 958 | if (tl == 0) | |
| 959 | tl = *pc.sp++; | |
| 960 | tl1 = pop4(); | |
| 961 | push4(RANG4(tl1, tl, *pc.sp++)); | |
| 962 | continue; | |
| 963 | case O_RSNG2: | |
| 964 | tl = *pc.cp++; | |
| 965 | if (tl == 0) | |
| 966 | tl = *pc.sp++; | |
| 967 | tl1 = pop2(); | |
| 968 | push2(RSNG4(tl1, tl)); | |
| 969 | continue; | |
| 970 | case O_RSNG42: | |
| 971 | tl = *pc.cp++; | |
| 972 | if (tl == 0) | |
| 973 | tl = *pc.sp++; | |
| 974 | tl1 = pop4(); | |
| 975 | push4(RSNG4(tl1, tl)); | |
| 976 | continue; | |
| 977 | case O_RANG4: | |
| 978 | pc.cp++; | |
| 979 | tl = *pc.lp++; | |
| 980 | tl1 = pop4(); | |
| 981 | push4(RANG4(tl1, tl, *pc.lp++)); | |
| 982 | continue; | |
| 983 | case O_RANG24: | |
| 984 | pc.cp++; | |
| 985 | tl = *pc.lp++; | |
| 986 | tl1 = pop2(); | |
| 987 | push2(RANG4(tl1, tl, *pc.lp++)); | |
| 988 | continue; | |
| 989 | case O_RSNG4: | |
| 990 | pc.cp++; | |
| 991 | tl = pop4(); | |
| 992 | push4(RSNG4(tl, *pc.lp++)); | |
| 993 | continue; | |
| 994 | case O_RSNG24: | |
| 995 | pc.cp++; | |
| 996 | tl = pop2(); | |
| 997 | push2(RSNG4(tl, *pc.lp++)); | |
| 998 | continue; | |
| 999 | case O_STLIM: | |
| 1000 | pc.cp++; | |
| c9065fb5 KM |
1001 | STLIM(); |
| 1002 | popargs(1); | |
| 43017a6f KM |
1003 | continue; |
| 1004 | case O_LLIMIT: | |
| 1005 | pc.cp++; | |
| 1006 | LLIMIT(); | |
| 1007 | popargs(2); | |
| 1008 | continue; | |
| 1009 | case O_BUFF: | |
| 1010 | BUFF(*pc.cp++); | |
| 1011 | continue; | |
| 1012 | case O_HALT: | |
| 1013 | pc.cp++; | |
| 1014 | panic(PHALT); | |
| 1015 | continue; | |
| 1016 | case O_PXPBUF: | |
| 1017 | pc.cp++; | |
| 1018 | _cntrs = *pc.lp++; | |
| 1019 | _rtns = *pc.lp++; | |
| 1020 | _pcpcount = (long *)calloc(_cntrs + 1, sizeof(long)); | |
| 1021 | continue; | |
| 1022 | case O_COUNT: | |
| 1023 | pc.cp++; | |
| 1024 | _pcpcount[*pc.usp++]++; | |
| 1025 | continue; | |
| 1026 | case O_CASE1OP: | |
| 1027 | tl = *pc.cp++; /* tl = number of cases */ | |
| 1028 | if (tl == 0) | |
| 1029 | tl = *pc.usp++; | |
| 1030 | tsp = pc.sp + tl; /* ptr to end of jump table */ | |
| 1031 | tcp = (char *)tsp; /* tcp = ptr to case values */ | |
| 1032 | tl1 = pop2(); /* tl1 = element to find */ | |
| 1033 | for(; tl > 0; tl--) /* look for element */ | |
| 1034 | if (tl1 == *tcp++) | |
| 1035 | break; | |
| 1036 | if (tl == 0) /* default case => error */ | |
| 1037 | ERROR(ECASE, tl2); | |
| 1038 | pc.cp += *(tsp - tl); | |
| 1039 | continue; | |
| 1040 | case O_CASE2OP: | |
| 1041 | tl = *pc.cp++; /* tl = number of cases */ | |
| 1042 | if (tl == 0) | |
| 1043 | tl = *pc.usp++; | |
| 1044 | tsp = pc.sp + tl; /* ptr to end of jump table */ | |
| 1045 | tsp1 = tsp; /* tsp1 = ptr to case values */ | |
| 1046 | tl1 = (unsigned short)pop2();/* tl1 = element to find */ | |
| 1047 | for(; tl > 0; tl--) /* look for element */ | |
| 1048 | if (tl1 == *tsp1++) | |
| 1049 | break; | |
| 1050 | if (tl == 0) /* default case => error */ | |
| 1051 | ERROR(ECASE, tl2); | |
| 1052 | pc.cp += *(tsp - tl); | |
| 1053 | continue; | |
| 1054 | case O_CASE4OP: | |
| 1055 | tl = *pc.cp++; /* tl = number of cases */ | |
| 1056 | if (tl == 0) | |
| 1057 | tl = *pc.usp++; | |
| 1058 | tsp = pc.sp + tl; /* ptr to end of jump table */ | |
| 1059 | tlp = (long *)tsp; /* tlp = ptr to case values */ | |
| 1060 | tl1 = pop4(); /* tl1 = element to find */ | |
| 1061 | for(; tl > 0; tl--) /* look for element */ | |
| 1062 | if (tl1 == *tlp++) | |
| 1063 | break; | |
| 1064 | if (tl == 0) /* default case => error */ | |
| 1065 | ERROR(ECASE, tl2); | |
| 1066 | pc.cp += *(tsp - tl); | |
| 1067 | continue; | |
| 1068 | case O_ADDT: | |
| 1069 | tl = *pc.cp++; /* tl has comparison length */ | |
| 1070 | if (tl == 0) | |
| 1071 | tl = *pc.usp++; | |
| 1072 | tcp = pushsp(0); /* tcp pts to first arg */ | |
| 1073 | ADDT(tcp + tl, tcp + tl, tcp, tl >> 2); | |
| 1074 | popsp(tl); | |
| 1075 | continue; | |
| 1076 | case O_SUBT: | |
| 1077 | tl = *pc.cp++; /* tl has comparison length */ | |
| 1078 | if (tl == 0) | |
| 1079 | tl = *pc.usp++; | |
| 1080 | tcp = pushsp(0); /* tcp pts to first arg */ | |
| 1081 | SUBT(tcp + tl, tcp + tl, tcp, tl >> 2); | |
| 1082 | popsp(tl); | |
| 1083 | continue; | |
| 1084 | case O_MULT: | |
| 1085 | tl = *pc.cp++; /* tl has comparison length */ | |
| 1086 | if (tl == 0) | |
| 1087 | tl = *pc.usp++; | |
| 1088 | tcp = pushsp(0); /* tcp pts to first arg */ | |
| 1089 | MULT(tcp + tl, tcp + tl, tcp, tl >> 2); | |
| 1090 | popsp(tl); | |
| 1091 | continue; | |
| 1092 | case O_INCT: | |
| 1093 | tl = *pc.cp++; /* tl has number of args */ | |
| 1094 | if (tl == 0) | |
| 1095 | tl = *pc.usp++; | |
| 1096 | tl1 = INCT(); | |
| 1097 | popargs(tl); | |
| 1098 | push2(tl1); | |
| 1099 | continue; | |
| 1100 | case O_CTTOT: | |
| 1101 | tl = *pc.cp++; /* tl has number of args */ | |
| 1102 | if (tl == 0) | |
| 1103 | tl = *pc.usp++; | |
| 1104 | tl1 = tl * sizeof(long); | |
| 1105 | tcp = pushsp(0) + tl1; /* tcp pts to result space */ | |
| 1106 | CTTOT(tcp); | |
| 1107 | popargs(tl); | |
| 1108 | continue; | |
| 1109 | case O_CARD: | |
| 1110 | tl = *pc.cp++; /* tl has comparison length */ | |
| 1111 | if (tl == 0) | |
| 1112 | tl = *pc.usp++; | |
| 1113 | tcp = pushsp(0); /* tcp pts to set */ | |
| 1114 | tl1 = CARD(tcp, tl); | |
| 1115 | popsp(tl); | |
| 1116 | push2(tl1); | |
| 1117 | continue; | |
| 1118 | case O_IN: | |
| 1119 | tl = *pc.cp++; /* tl has comparison length */ | |
| 1120 | if (tl == 0) | |
| 1121 | tl = *pc.usp++; | |
| 1122 | tl1 = pop4(); /* tl1 is the element */ | |
| 1123 | tcp = pushsp(0); /* tcp pts to set */ | |
| 1124 | tl2 = *pc.usp++; /* lower bound */ | |
| 1125 | tl1 = IN(tl1, tl2, *pc.usp++, tcp); | |
| 1126 | popsp(tl); | |
| 1127 | push2(tl1); | |
| 1128 | continue; | |
| 1129 | case O_ASRT: | |
| 1130 | pc.cp++; | |
| 15834a19 | 1131 | ASRT(pop2(), ""); |
| 43017a6f KM |
1132 | continue; |
| 1133 | case O_FOR1U: | |
| 1134 | pc.cp++; | |
| 1135 | tcp = (char *)pop4(); /* tcp = ptr to index var */ | |
| 1136 | if (*tcp < pop4()) { /* still going up */ | |
| 1137 | *tcp += 1; /* inc index var */ | |
| 1138 | pc.cp += *pc.sp;/* return to top of loop */ | |
| 1139 | continue; | |
| 1140 | } | |
| 1141 | pc.sp++; /* else fall through */ | |
| 1142 | continue; | |
| 1143 | case O_FOR2U: | |
| 1144 | pc.cp++; | |
| 1145 | tsp = (short *)pop4(); /* tsp = ptr to index var */ | |
| 1146 | if (*tsp < pop4()) { /* still going up */ | |
| 1147 | *tsp += 1; /* inc index var */ | |
| 1148 | pc.cp += *pc.sp;/* return to top of loop */ | |
| 1149 | continue; | |
| 1150 | } | |
| 1151 | pc.sp++; /* else fall through */ | |
| 1152 | continue; | |
| 1153 | case O_FOR4U: | |
| 1154 | pc.cp++; | |
| 1155 | tlp = (long *)pop4(); /* tlp = ptr to index var */ | |
| 1156 | if (*tlp < pop4()) { /* still going up */ | |
| 1157 | *tlp += 1; /* inc index var */ | |
| 1158 | pc.cp += *pc.sp;/* return to top of loop */ | |
| 1159 | continue; | |
| 1160 | } | |
| 1161 | pc.sp++; /* else fall through */ | |
| 1162 | continue; | |
| 1163 | case O_FOR1D: | |
| 1164 | pc.cp++; | |
| 1165 | tcp = (char *)pop4(); /* tcp = ptr to index var */ | |
| 1166 | if (*tcp > pop4()) { /* still going down */ | |
| 1167 | *tcp -= 1; /* dec index var */ | |
| 1168 | pc.cp += *pc.sp;/* return to top of loop */ | |
| 1169 | continue; | |
| 1170 | } | |
| 1171 | pc.sp++; /* else fall through */ | |
| 1172 | continue; | |
| 1173 | case O_FOR2D: | |
| 1174 | pc.cp++; | |
| 1175 | tsp = (short *)pop4(); /* tsp = ptr to index var */ | |
| 1176 | if (*tsp > pop4()) { /* still going down */ | |
| 1177 | *tsp -= 1; /* dec index var */ | |
| 1178 | pc.cp += *pc.sp;/* return to top of loop */ | |
| 1179 | continue; | |
| 1180 | } | |
| 1181 | pc.sp++; /* else fall through */ | |
| 1182 | continue; | |
| 1183 | case O_FOR4D: | |
| 1184 | pc.cp++; | |
| 1185 | tlp = (long *)pop4(); /* tlp = ptr to index var */ | |
| 1186 | if (*tlp > pop4()) { /* still going down */ | |
| 1187 | *tlp -= 1; /* dec index var */ | |
| 1188 | pc.cp += *pc.sp;/* return to top of loop */ | |
| 1189 | continue; | |
| 1190 | } | |
| 1191 | pc.sp++; /* else fall through */ | |
| 1192 | continue; | |
| 1193 | case O_READE: | |
| 1194 | pc.cp++; | |
| 1195 | push2(READE(curfile, base + *pc.lp++)); | |
| 1196 | continue; | |
| 1197 | case O_READ4: | |
| 1198 | pc.cp++; | |
| 1199 | push4(READ4(curfile)); | |
| 1200 | continue; | |
| 1201 | case O_READC: | |
| 1202 | pc.cp++; | |
| 1203 | push2(READC(curfile)); | |
| 1204 | continue; | |
| 1205 | case O_READ8: | |
| 1206 | pc.cp++; | |
| 1207 | push8(READ8(curfile)); | |
| 1208 | continue; | |
| 1209 | case O_READLN: | |
| 1210 | pc.cp++; | |
| 1211 | READLN(curfile); | |
| 1212 | continue; | |
| 1213 | case O_EOF: | |
| 1214 | pc.cp++; | |
| 1215 | push2(TEOF(popaddr())); | |
| 1216 | continue; | |
| 1217 | case O_EOLN: | |
| 1218 | pc.cp++; | |
| 1219 | push2(TEOLN(popaddr())); | |
| 1220 | continue; | |
| 1221 | case O_WRITEC: | |
| 1222 | pc.cp++; | |
| 1223 | WRITEC(curfile); | |
| 1224 | popargs(2); | |
| 1225 | continue; | |
| 1226 | case O_WRITES: | |
| 1227 | pc.cp++; | |
| 1228 | WRITES(curfile); | |
| 1229 | popargs(4); | |
| 1230 | continue; | |
| 1231 | case O_WRITEF: | |
| 1232 | WRITEF(curfile); | |
| 1233 | popargs(*pc.cp++); | |
| 1234 | continue; | |
| 1235 | case O_WRITLN: | |
| 1236 | pc.cp++; | |
| 1237 | WRITLN(curfile); | |
| 1238 | continue; | |
| 1239 | case O_PAGE: | |
| 1240 | pc.cp++; | |
| 1241 | PAGE(curfile); | |
| 1242 | continue; | |
| 1243 | case O_NAM: | |
| 1244 | pc.cp++; | |
| 1245 | tl = pop4(); | |
| 1246 | pushaddr(NAM(tl, base + *pc.lp++)); | |
| 1247 | continue; | |
| 1248 | case O_MAX: | |
| 1249 | tl = *pc.cp++; | |
| 1250 | if (tl == 0) | |
| 1251 | tl = *pc.usp++; | |
| 1252 | tl1 = pop4(); | |
| 1253 | push4(MAX(tl1, tl, *pc.usp++)); | |
| 1254 | continue; | |
| 1255 | case O_MIN: | |
| 1256 | tl = *pc.cp++; | |
| 1257 | if (tl == 0) | |
| 1258 | tl = *pc.usp++; | |
| 1259 | tl1 = pop4(); | |
| 1260 | push4(tl1 < tl ? tl1 : tl); | |
| 1261 | continue; | |
| 1262 | case O_UNIT: | |
| 1263 | pc.cp++; | |
| 1264 | curfile = UNIT(popaddr()); | |
| 1265 | continue; | |
| 1266 | case O_UNITINP: | |
| 1267 | pc.cp++; | |
| 1268 | curfile = INPUT; | |
| 1269 | continue; | |
| 1270 | case O_UNITOUT: | |
| 1271 | pc.cp++; | |
| 1272 | curfile = OUTPUT; | |
| 1273 | continue; | |
| 1274 | case O_MESSAGE: | |
| 1275 | pc.cp++; | |
| 1276 | PFLUSH(); | |
| 1277 | curfile = ERR; | |
| 1278 | continue; | |
| 15834a19 KM |
1279 | case O_PUT: |
| 1280 | pc.cp++; | |
| 1281 | PUT(curfile); | |
| 1282 | continue; | |
| 43017a6f KM |
1283 | case O_GET: |
| 1284 | pc.cp++; | |
| 1285 | GET(curfile); | |
| 1286 | continue; | |
| 1287 | case O_FNIL: | |
| 1288 | pc.cp++; | |
| 1289 | pushaddr(FNIL(popaddr())); | |
| 1290 | continue; | |
| 1291 | case O_DEFNAME: | |
| 1292 | pc.cp++; | |
| 1293 | DEFNAME(); | |
| 1294 | popargs(4); | |
| 1295 | continue; | |
| 1296 | case O_RESET: | |
| 1297 | pc.cp++; | |
| 1298 | RESET(); | |
| 1299 | popargs(4); | |
| 1300 | continue; | |
| 1301 | case O_REWRITE: | |
| 1302 | pc.cp++; | |
| 1303 | REWRITE(); | |
| 1304 | popargs(4); | |
| 1305 | continue; | |
| 1306 | case O_FILE: | |
| 1307 | pc.cp++; | |
| 1308 | pushaddr(ACTFILE(curfile)); | |
| 1309 | continue; | |
| 1310 | case O_REMOVE: | |
| 1311 | pc.cp++; | |
| 1312 | REMOVE(); | |
| 1313 | popargs(2); | |
| 1314 | continue; | |
| 1315 | case O_FLUSH: | |
| 1316 | pc.cp++; | |
| 1317 | FLUSH(); | |
| 1318 | popargs(1); | |
| 1319 | continue; | |
| 1320 | case O_PACK: | |
| 1321 | pc.cp++; | |
| 1322 | PACK(); | |
| 1323 | popargs(7); | |
| 1324 | continue; | |
| 1325 | case O_UNPACK: | |
| 1326 | pc.cp++; | |
| 1327 | UNPACK(); | |
| 1328 | popargs(7); | |
| 1329 | continue; | |
| 1330 | case O_ARGC: | |
| 1331 | pc.cp++; | |
| 1332 | push4(_argc); | |
| 1333 | continue; | |
| 1334 | case O_ARGV: | |
| 1335 | tl = *pc.cp++; /* tl = size of char array */ | |
| 1336 | if (tl == 0) | |
| 1337 | tl = *pc.usp++; | |
| 1338 | tcp = popaddr(); /* tcp = addr of char array */ | |
| 1339 | tl1 = pop4(); /* tl1 = argv subscript */ | |
| 1340 | ARGV(tl1, tcp, tl); | |
| 1341 | continue; | |
| 1342 | case O_CLCK: | |
| 1343 | pc.cp++; | |
| 1344 | push4(CLCK()); | |
| 1345 | continue; | |
| 1346 | case O_WCLCK: | |
| 1347 | pc.cp++; | |
| 1348 | push4(time(0)); | |
| 1349 | continue; | |
| 1350 | case O_SCLCK: | |
| 1351 | pc.cp++; | |
| 1352 | push4(SCLCK()); | |
| 1353 | continue; | |
| 1354 | case O_DISPOSE: | |
| 1355 | tl = *pc.cp++; /* tl = size being disposed */ | |
| 1356 | if (tl == 0) | |
| 1357 | tl = *pc.usp++; | |
| 1358 | tcp = popaddr(); /* ptr to ptr being disposed */ | |
| 1359 | DISPOSE(tcp, tl); | |
| 1360 | *(char **)tcp = (char *)0; | |
| 1361 | continue; | |
| 1362 | case O_NEW: | |
| 1363 | tl = *pc.cp++; /* tl = size being new'ed */ | |
| 1364 | if (tl == 0) | |
| 1365 | tl = *pc.usp++; | |
| 1366 | tcp = popaddr(); /* ptr to ptr being new'ed */ | |
| 1367 | NEWZ(tcp, tl); | |
| 1368 | continue; | |
| 1369 | case O_DATE: | |
| 1370 | pc.cp++; | |
| 1371 | DATE(popaddr()); | |
| 1372 | continue; | |
| 1373 | case O_TIME: | |
| 1374 | pc.cp++; | |
| 1375 | TIME(popaddr()); | |
| 1376 | continue; | |
| 1377 | case O_UNDEF: | |
| 1378 | pc.cp++; | |
| 1379 | pop8(); | |
| 1380 | push2(0); | |
| 1381 | continue; | |
| 1382 | case O_ATAN: | |
| 1383 | pc.cp++; | |
| 1384 | push8(atan(pop8())); | |
| 1385 | continue; | |
| 1386 | case O_COS: | |
| 1387 | pc.cp++; | |
| 1388 | push8(cos(pop8())); | |
| 1389 | continue; | |
| 1390 | case O_EXP: | |
| 1391 | pc.cp++; | |
| 1392 | push8(exp(pop8())); | |
| 1393 | continue; | |
| 1394 | case O_LN: | |
| 1395 | pc.cp++; | |
| 1396 | push8(LN(pop8())); | |
| 1397 | continue; | |
| 1398 | case O_SIN: | |
| 1399 | pc.cp++; | |
| 1400 | push8(sin(pop8())); | |
| 1401 | continue; | |
| 1402 | case O_SQRT: | |
| 1403 | pc.cp++; | |
| 1404 | push8(SQRT(pop8())); | |
| 1405 | continue; | |
| 1406 | case O_CHR2: | |
| 1407 | case O_CHR4: | |
| 1408 | pc.cp++; | |
| 1409 | push2(CHR(pop4())); | |
| 1410 | continue; | |
| 1411 | case O_ODD2: | |
| 1412 | case O_ODD4: | |
| 1413 | pc.cp++; | |
| 1414 | push2(pop4() & 1); | |
| 1415 | continue; | |
| 1416 | case O_SUCC2: | |
| 15834a19 KM |
1417 | tl = *pc.cp++; |
| 1418 | if (tl == 0) | |
| 1419 | tl = *pc.sp++; | |
| 1420 | tl1 = pop4(); | |
| 1421 | push2(SUCC(tl1, tl, *pc.sp++)); | |
| 43017a6f KM |
1422 | continue; |
| 1423 | case O_SUCC24: | |
| 15834a19 KM |
1424 | tl = *pc.cp++; |
| 1425 | if (tl == 0) | |
| 1426 | tl = *pc.sp++; | |
| 1427 | tl1 = pop4(); | |
| 1428 | push4(SUCC(tl1, tl, *pc.sp++)); | |
| 1429 | continue; | |
| 43017a6f | 1430 | case O_SUCC4: |
| 15834a19 KM |
1431 | tl = *pc.cp++; |
| 1432 | if (tl == 0) | |
| 1433 | tl = *pc.lp++; | |
| 1434 | tl1 = pop4(); | |
| 1435 | push4(SUCC(tl1, tl, *pc.lp++)); | |
| 43017a6f KM |
1436 | continue; |
| 1437 | case O_PRED2: | |
| 15834a19 KM |
1438 | tl = *pc.cp++; |
| 1439 | if (tl == 0) | |
| 1440 | tl = *pc.sp++; | |
| 1441 | tl1 = pop4(); | |
| 1442 | push2(PRED(tl1, tl, *pc.sp++)); | |
| 43017a6f KM |
1443 | continue; |
| 1444 | case O_PRED24: | |
| 15834a19 KM |
1445 | tl = *pc.cp++; |
| 1446 | if (tl == 0) | |
| 1447 | tl = *pc.sp++; | |
| 1448 | tl1 = pop4(); | |
| 1449 | push4(PRED(tl1, tl, *pc.sp++)); | |
| 1450 | continue; | |
| 43017a6f | 1451 | case O_PRED4: |
| 15834a19 KM |
1452 | tl = *pc.cp++; |
| 1453 | if (tl == 0) | |
| 1454 | tl = *pc.lp++; | |
| 1455 | tl1 = pop4(); | |
| 1456 | push4(PRED(tl1, tl, *pc.lp++)); | |
| 43017a6f KM |
1457 | continue; |
| 1458 | case O_SEED: | |
| 1459 | pc.cp++; | |
| 1460 | push4(SEED(pop4())); | |
| 1461 | continue; | |
| 1462 | case O_RANDOM: | |
| 1463 | pc.cp++; | |
| 1464 | push8(RANDOM(pop8())); | |
| 1465 | continue; | |
| 1466 | case O_EXPO: | |
| 1467 | pc.cp++; | |
| 1468 | push4(EXPO(pop8())); | |
| 1469 | continue; | |
| 1470 | case O_SQR2: | |
| 1471 | case O_SQR4: | |
| 1472 | pc.cp++; | |
| 1473 | tl = pop4(); | |
| 1474 | push4(tl * tl); | |
| 1475 | continue; | |
| 1476 | case O_SQR8: | |
| 1477 | pc.cp++; | |
| 1478 | td = pop8(); | |
| 1479 | push8(td * td); | |
| 1480 | continue; | |
| 1481 | case O_ROUND: | |
| 1482 | pc.cp++; | |
| 1483 | push4(ROUND(pop8())); | |
| 1484 | continue; | |
| 1485 | case O_TRUNC: | |
| 1486 | pc.cp++; | |
| 1487 | push4(TRUNC(pop8())); | |
| 1488 | continue; | |
| 1489 | } | |
| 1490 | } | |
| 1491 | } |