pr_execprogram.h

   1
   2 // This code isn't #ifdef/#define protectable, don't try.
   3
   4                 while (1)
   5                 {
   6                         st++;
   7                         if (++profile > 10000000) // LordHavoc: increased runaway loop limit 100x
   8                         {
   9                                 // LordHavoc: update profile counter for debugging reasons
  10                                 // (identifying erroneous loops and recursion patterns)
  11                                 pr_xfunction->profile += profile - startprofile;
  12                                 startprofile = profile;
  13                                 // update the statement number before we error out
  14                                 pr_xstatement = st - pr_statements;
  15                                 Host_Error("runaway loop counter hit limit of %d opcodes\ntip: if having trouble identifying the problem, try typing profile now", profile);
  16                         }
  17
  18 #if PRTRACE
  19                         pr_xfunction->profile += profile - startprofile;
  20                         startprofile = profile;
  21                         pr_xstatement = st - pr_statements;
  22                         PR_PrintStatement(st);
  23 #endif
  24
  25                         switch (st->op)
  26                         {
  27                         case OP_ADD_F:
  28                                 OPC->_float = OPA->_float + OPB->_float;
  29                                 break;
  30                         case OP_ADD_V:
  31                                 OPC->vector[0] = OPA->vector[0] + OPB->vector[0];
  32                                 OPC->vector[1] = OPA->vector[1] + OPB->vector[1];
  33                                 OPC->vector[2] = OPA->vector[2] + OPB->vector[2];
  34                                 break;
  35                         case OP_SUB_F:
  36                                 OPC->_float = OPA->_float - OPB->_float;
  37                                 break;
  38                         case OP_SUB_V:
  39                                 OPC->vector[0] = OPA->vector[0] - OPB->vector[0];
  40                                 OPC->vector[1] = OPA->vector[1] - OPB->vector[1];
  41                                 OPC->vector[2] = OPA->vector[2] - OPB->vector[2];
  42                                 break;
  43                         case OP_MUL_F:
  44                                 OPC->_float = OPA->_float * OPB->_float;
  45                                 break;
  46                         case OP_MUL_V:
  47                                 OPC->_float = OPA->vector[0]*OPB->vector[0] + OPA->vector[1]*OPB->vector[1] + OPA->vector[2]*OPB->vector[2];
  48                                 break;
  49                         case OP_MUL_FV:
  50                                 OPC->vector[0] = OPA->_float * OPB->vector[0];
  51                                 OPC->vector[1] = OPA->_float * OPB->vector[1];
  52                                 OPC->vector[2] = OPA->_float * OPB->vector[2];
  53                                 break;
  54                         case OP_MUL_VF:
  55                                 OPC->vector[0] = OPB->_float * OPA->vector[0];
  56                                 OPC->vector[1] = OPB->_float * OPA->vector[1];
  57                                 OPC->vector[2] = OPB->_float * OPA->vector[2];
  58                                 break;
  59                         case OP_DIV_F:
  60                                 OPC->_float = OPA->_float / OPB->_float;
  61                                 break;
  62                         case OP_BITAND:
  63                                 OPC->_float = (int)OPA->_float & (int)OPB->_float;
  64                                 break;
  65                         case OP_BITOR:
  66                                 OPC->_float = (int)OPA->_float | (int)OPB->_float;
  67                                 break;
  68                         case OP_GE:
  69                                 OPC->_float = OPA->_float >= OPB->_float;
  70                                 break;
  71                         case OP_LE:
  72                                 OPC->_float = OPA->_float <= OPB->_float;
  73                                 break;
  74                         case OP_GT:
  75                                 OPC->_float = OPA->_float > OPB->_float;
  76                                 break;
  77                         case OP_LT:
  78                                 OPC->_float = OPA->_float < OPB->_float;
  79                                 break;
  80                         case OP_AND:
  81                                 OPC->_float = OPA->_float && OPB->_float;
  82                                 break;
  83                         case OP_OR:
  84                                 OPC->_float = OPA->_float || OPB->_float;
  85                                 break;
  86                         case OP_NOT_F:
  87                                 OPC->_float = !OPA->_float;
  88                                 break;
  89                         case OP_NOT_V:
  90                                 OPC->_float = !OPA->vector[0] && !OPA->vector[1] && !OPA->vector[2];
  91                                 break;
  92                         case OP_NOT_S:
  93                                 OPC->_float = !OPA->string || !*PR_GetString(OPA->string);
  94                                 break;
  95                         case OP_NOT_FNC:
  96                                 OPC->_float = !OPA->function;
  97                                 break;
  98                         case OP_NOT_ENT:
  99                                 OPC->_float = (OPA->edict == 0);
 100                                 break;
 101                         case OP_EQ_F:
 102                                 OPC->_float = OPA->_float == OPB->_float;
 103                                 break;
 104                         case OP_EQ_V:
 105                                 OPC->_float = (OPA->vector[0] == OPB->vector[0]) && (OPA->vector[1] == OPB->vector[1]) && (OPA->vector[2] == OPB->vector[2]);
 106                                 break;
 107                         case OP_EQ_S:
 108                                 OPC->_float = !strcmp(PR_GetString(OPA->string),PR_GetString(OPB->string));
 109                                 break;
 110                         case OP_EQ_E:
 111                                 OPC->_float = OPA->_int == OPB->_int;
 112                                 break;
 113                         case OP_EQ_FNC:
 114                                 OPC->_float = OPA->function == OPB->function;
 115                                 break;
 116                         case OP_NE_F:
 117                                 OPC->_float = OPA->_float != OPB->_float;
 118                                 break;
 119                         case OP_NE_V:
 120                                 OPC->_float = (OPA->vector[0] != OPB->vector[0]) || (OPA->vector[1] != OPB->vector[1]) || (OPA->vector[2] != OPB->vector[2]);
 121                                 break;
 122                         case OP_NE_S:
 123                                 OPC->_float = strcmp(PR_GetString(OPA->string),PR_GetString(OPB->string));
 124                                 break;
 125                         case OP_NE_E:
 126                                 OPC->_float = OPA->_int != OPB->_int;
 127                                 break;
 128                         case OP_NE_FNC:
 129                                 OPC->_float = OPA->function != OPB->function;
 130                                 break;
 131
 132                 //==================
 133                         case OP_STORE_F:
 134                         case OP_STORE_ENT:
 135                         case OP_STORE_FLD:              // integers
 136                         case OP_STORE_S:
 137                         case OP_STORE_FNC:              // pointers
 138                                 OPB->_int = OPA->_int;
 139                                 break;
 140                         case OP_STORE_V:
 141                                 OPB->ivector[0] = OPA->ivector[0];
 142                                 OPB->ivector[1] = OPA->ivector[1];
 143                                 OPB->ivector[2] = OPA->ivector[2];
 144                                 break;
 145
 146                         case OP_STOREP_F:
 147                         case OP_STOREP_ENT:
 148                         case OP_STOREP_FLD:             // integers
 149                         case OP_STOREP_S:
 150                         case OP_STOREP_FNC:             // pointers
 151 #if PRBOUNDSCHECK
 152                                 if (OPB->_int < 0 || OPB->_int + 4 > pr_edictareasize)
 153                                 {
 154                                         pr_xfunction->profile += profile - startprofile;
 155                                         startprofile = profile;
 156                                         pr_xstatement = st - pr_statements;
 157                                         Host_Error("Progs attempted to write to an out of bounds edict (%i)\n", OPB->_int);
 158                                         return;
 159                                 }
 160 #endif
 161                                 ptr = (eval_t *)((qbyte *)sv.edictsfields + OPB->_int);
 162                                 ptr->_int = OPA->_int;
 163                                 break;
 164                         case OP_STOREP_V:
 165 #if PRBOUNDSCHECK
 166                                 if (OPB->_int < 0 || OPB->_int + 12 > pr_edictareasize)
 167                                 {
 168                                         pr_xfunction->profile += profile - startprofile;
 169                                         startprofile = profile;
 170                                         pr_xstatement = st - pr_statements;
 171                                         Host_Error("Progs attempted to write to an out of bounds edict (%i)\n", OPB->_int);
 172                                         return;
 173                                 }
 174 #endif
 175                                 ptr = (eval_t *)((qbyte *)sv.edictsfields + OPB->_int);
 176                                 ptr->vector[0] = OPA->vector[0];
 177                                 ptr->vector[1] = OPA->vector[1];
 178                                 ptr->vector[2] = OPA->vector[2];
 179                                 break;
 180
 181                         case OP_ADDRESS:
 182 #if PRBOUNDSCHECK
 183                                 if ((unsigned int)(OPB->_int) >= (unsigned int)(progs->entityfields))
 184                                 {
 185                                         pr_xfunction->profile += profile - startprofile;
 186                                         startprofile = profile;
 187                                         pr_xstatement = st - pr_statements;
 188                                         Host_Error("Progs attempted to address an invalid field (%i) in an edict\n", OPB->_int);
 189                                         return;
 190                                 }
 191 #endif
 192                                 if (OPA->edict == 0 && sv.state == ss_active)
 193                                 {
 194                                         pr_xfunction->profile += profile - startprofile;
 195                                         startprofile = profile;
 196                                         pr_xstatement = st - pr_statements;
 197                                         Host_Error("assignment to world entity");
 198                                         return;
 199                                 }
 200                                 ed = PROG_TO_EDICT(OPA->edict);
 201                                 OPC->_int = (qbyte *)((int *)ed->v + OPB->_int) - (qbyte *)sv.edictsfields;
 202                                 break;
 203
 204                         case OP_LOAD_F:
 205                         case OP_LOAD_FLD:
 206                         case OP_LOAD_ENT:
 207                         case OP_LOAD_S:
 208                         case OP_LOAD_FNC:
 209 #if PRBOUNDSCHECK
 210                                 if ((unsigned int)(OPB->_int) >= (unsigned int)(progs->entityfields))
 211                                 {
 212                                         pr_xfunction->profile += profile - startprofile;
 213                                         startprofile = profile;
 214                                         pr_xstatement = st - pr_statements;
 215                                         Host_Error("Progs attempted to read an invalid field in an edict (%i)\n", OPB->_int);
 216                                         return;
 217                                 }
 218 #endif
 219                                 ed = PROG_TO_EDICT(OPA->edict);
 220                                 OPC->_int = ((eval_t *)((int *)ed->v + OPB->_int))->_int;
 221                                 break;
 222
 223                         case OP_LOAD_V:
 224 #if PRBOUNDSCHECK
 225                                 if (OPB->_int < 0 || OPB->_int + 2 >= progs->entityfields)
 226                                 {
 227                                         pr_xfunction->profile += profile - startprofile;
 228                                         startprofile = profile;
 229                                         pr_xstatement = st - pr_statements;
 230                                         Host_Error("Progs attempted to read an invalid field in an edict (%i)\n", OPB->_int);
 231                                         return;
 232                                 }
 233 #endif
 234                                 ed = PROG_TO_EDICT(OPA->edict);
 235                                 OPC->vector[0] = ((eval_t *)((int *)ed->v + OPB->_int))->vector[0];
 236                                 OPC->vector[1] = ((eval_t *)((int *)ed->v + OPB->_int))->vector[1];
 237                                 OPC->vector[2] = ((eval_t *)((int *)ed->v + OPB->_int))->vector[2];
 238                                 break;
 239
 240                 //==================
 241
 242                         case OP_IFNOT:
 243                                 if (!OPA->_int)
 244                                         st += st->b - 1;        // offset the s++
 245                                 break;
 246
 247                         case OP_IF:
 248                                 if (OPA->_int)
 249                                         st += st->b - 1;        // offset the s++
 250                                 break;
 251
 252                         case OP_GOTO:
 253                                 st += st->a - 1;        // offset the s++
 254                                 break;
 255
 256                         case OP_CALL0:
 257                         case OP_CALL1:
 258                         case OP_CALL2:
 259                         case OP_CALL3:
 260                         case OP_CALL4:
 261                         case OP_CALL5:
 262                         case OP_CALL6:
 263                         case OP_CALL7:
 264                         case OP_CALL8:
 265                                 pr_xfunction->profile += profile - startprofile;
 266                                 startprofile = profile;
 267                                 pr_xstatement = st - pr_statements;
 268                                 pr_argc = st->op - OP_CALL0;
 269                                 if (!OPA->function )
 270                                         Host_Error("NULL function");
 271                                 else if (OPA->function > (unsigned) progs->numfunctions)
 272                                         Host_Error("Bad function number");
 273
 274                                 newf = &pr_functions[OPA->function];
 275
 276                                 if (newf->first_statement < 0)
 277                                 {
 278                                         // negative statements are built in functions
 279                                         int builtinnumber = -newf->first_statement;
 280                                         pr_xfunction->builtinsprofile++;
 281                                         if (builtinnumber < pr_numbuiltins && pr_builtins[builtinnumber])
 282                                                 pr_builtins[builtinnumber]();
 283                                         else
 284                                                 Host_Error("No such builtin #%i", builtinnumber);
 285                                 }
 286                                 else
 287                                         st = pr_statements + PR_EnterFunction(newf);
 288                                 if (pr_trace != cachedpr_trace)
 289                                         goto chooseexecprogram;
 290                                 break;
 291
 292                         case OP_DONE:
 293                         case OP_RETURN:
 294                                 pr_xfunction->profile += profile - startprofile;
 295                                 startprofile = profile;
 296                                 pr_xstatement = st - pr_statements;
 297
 298                                 pr_globals[OFS_RETURN] = pr_globals[(unsigned short) st->a];
 299                                 pr_globals[OFS_RETURN+1] = pr_globals[(unsigned short) st->a+1];
 300                                 pr_globals[OFS_RETURN+2] = pr_globals[(unsigned short) st->a+2];
 301
 302                                 st = pr_statements + PR_LeaveFunction();
 303                                 if (pr_depth <= exitdepth)
 304                                         return;         // all done
 305                                 if (pr_trace != cachedpr_trace)
 306                                         goto chooseexecprogram;
 307                                 break;
 308
 309                         case OP_STATE:
 310                                 pr_xfunction->profile += profile - startprofile;
 311                                 startprofile = profile;
 312                                 pr_xstatement = st - pr_statements;
 313                                 ed = PROG_TO_EDICT(pr_global_struct->self);
 314                                 ed->v->nextthink = pr_global_struct->time + 0.1;
 315                                 ed->v->frame = OPA->_float;
 316                                 ed->v->think = OPB->function;
 317                                 break;
 318
 319 // LordHavoc: to be enabled when Progs version 7 (or whatever it will be numbered) is finalized
 320 /*
 321                         case OP_ADD_I:
 322                                 OPC->_int = OPA->_int + OPB->_int;
 323                                 break;
 324                         case OP_ADD_IF:
 325                                 OPC->_int = OPA->_int + (int) OPB->_float;
 326                                 break;
 327                         case OP_ADD_FI:
 328                                 OPC->_float = OPA->_float + (float) OPB->_int;
 329                                 break;
 330                         case OP_SUB_I:
 331                                 OPC->_int = OPA->_int - OPB->_int;
 332                                 break;
 333                         case OP_SUB_IF:
 334                                 OPC->_int = OPA->_int - (int) OPB->_float;
 335                                 break;
 336                         case OP_SUB_FI:
 337                                 OPC->_float = OPA->_float - (float) OPB->_int;
 338                                 break;
 339                         case OP_MUL_I:
 340                                 OPC->_int = OPA->_int * OPB->_int;
 341                                 break;
 342                         case OP_MUL_IF:
 343                                 OPC->_int = OPA->_int * (int) OPB->_float;
 344                                 break;
 345                         case OP_MUL_FI:
 346                                 OPC->_float = OPA->_float * (float) OPB->_int;
 347                                 break;
 348                         case OP_MUL_VI:
 349                                 OPC->vector[0] = (float) OPB->_int * OPA->vector[0];
 350                                 OPC->vector[1] = (float) OPB->_int * OPA->vector[1];
 351                                 OPC->vector[2] = (float) OPB->_int * OPA->vector[2];
 352                                 break;
 353                         case OP_DIV_VF:
 354                                 {
 355                                         float temp = 1.0f / OPB->_float;
 356                                         OPC->vector[0] = temp * OPA->vector[0];
 357                                         OPC->vector[1] = temp * OPA->vector[1];
 358                                         OPC->vector[2] = temp * OPA->vector[2];
 359                                 }
 360                                 break;
 361                         case OP_DIV_I:
 362                                 OPC->_int = OPA->_int / OPB->_int;
 363                                 break;
 364                         case OP_DIV_IF:
 365                                 OPC->_int = OPA->_int / (int) OPB->_float;
 366                                 break;
 367                         case OP_DIV_FI:
 368                                 OPC->_float = OPA->_float / (float) OPB->_int;
 369                                 break;
 370                         case OP_CONV_IF:
 371                                 OPC->_float = OPA->_int;
 372                                 break;
 373                         case OP_CONV_FI:
 374                                 OPC->_int = OPA->_float;
 375                                 break;
 376                         case OP_BITAND_I:
 377                                 OPC->_int = OPA->_int & OPB->_int;
 378                                 break;
 379                         case OP_BITOR_I:
 380                                 OPC->_int = OPA->_int | OPB->_int;
 381                                 break;
 382                         case OP_BITAND_IF:
 383                                 OPC->_int = OPA->_int & (int)OPB->_float;
 384                                 break;
 385                         case OP_BITOR_IF:
 386                                 OPC->_int = OPA->_int | (int)OPB->_float;
 387                                 break;
 388                         case OP_BITAND_FI:
 389                                 OPC->_float = (int)OPA->_float & OPB->_int;
 390                                 break;
 391                         case OP_BITOR_FI:
 392                                 OPC->_float = (int)OPA->_float | OPB->_int;
 393                                 break;
 394                         case OP_GE_I:
 395                                 OPC->_float = OPA->_int >= OPB->_int;
 396                                 break;
 397                         case OP_LE_I:
 398                                 OPC->_float = OPA->_int <= OPB->_int;
 399                                 break;
 400                         case OP_GT_I:
 401                                 OPC->_float = OPA->_int > OPB->_int;
 402                                 break;
 403                         case OP_LT_I:
 404                                 OPC->_float = OPA->_int < OPB->_int;
 405                                 break;
 406                         case OP_AND_I:
 407                                 OPC->_float = OPA->_int && OPB->_int;
 408                                 break;
 409                         case OP_OR_I:
 410                                 OPC->_float = OPA->_int || OPB->_int;
 411                                 break;
 412                         case OP_GE_IF:
 413                                 OPC->_float = (float)OPA->_int >= OPB->_float;
 414                                 break;
 415                         case OP_LE_IF:
 416                                 OPC->_float = (float)OPA->_int <= OPB->_float;
 417                                 break;
 418                         case OP_GT_IF:
 419                                 OPC->_float = (float)OPA->_int > OPB->_float;
 420                                 break;
 421                         case OP_LT_IF:
 422                                 OPC->_float = (float)OPA->_int < OPB->_float;
 423                                 break;
 424                         case OP_AND_IF:
 425                                 OPC->_float = (float)OPA->_int && OPB->_float;
 426                                 break;
 427                         case OP_OR_IF:
 428                                 OPC->_float = (float)OPA->_int || OPB->_float;
 429                                 break;
 430                         case OP_GE_FI:
 431                                 OPC->_float = OPA->_float >= (float)OPB->_int;
 432                                 break;
 433                         case OP_LE_FI:
 434                                 OPC->_float = OPA->_float <= (float)OPB->_int;
 435                                 break;
 436                         case OP_GT_FI:
 437                                 OPC->_float = OPA->_float > (float)OPB->_int;
 438                                 break;
 439                         case OP_LT_FI:
 440                                 OPC->_float = OPA->_float < (float)OPB->_int;
 441                                 break;
 442                         case OP_AND_FI:
 443                                 OPC->_float = OPA->_float && (float)OPB->_int;
 444                                 break;
 445                         case OP_OR_FI:
 446                                 OPC->_float = OPA->_float || (float)OPB->_int;
 447                                 break;
 448                         case OP_NOT_I:
 449                                 OPC->_float = !OPA->_int;
 450                                 break;
 451                         case OP_EQ_I:
 452                                 OPC->_float = OPA->_int == OPB->_int;
 453                                 break;
 454                         case OP_EQ_IF:
 455                                 OPC->_float = (float)OPA->_int == OPB->_float;
 456                                 break;
 457                         case OP_EQ_FI:
 458                                 OPC->_float = OPA->_float == (float)OPB->_int;
 459                                 break;
 460                         case OP_NE_I:
 461                                 OPC->_float = OPA->_int != OPB->_int;
 462                                 break;
 463                         case OP_NE_IF:
 464                                 OPC->_float = (float)OPA->_int != OPB->_float;
 465                                 break;
 466                         case OP_NE_FI:
 467                                 OPC->_float = OPA->_float != (float)OPB->_int;
 468                                 break;
 469                         case OP_STORE_I:
 470                                 OPB->_int = OPA->_int;
 471                                 break;
 472                         case OP_STOREP_I:
 473 #if PRBOUNDSCHECK
 474                                 if (OPB->_int < 0 || OPB->_int + 4 > pr_edictareasize)
 475                                 {
 476                                         pr_xfunction->profile += profile - startprofile;
 477                                         startprofile = profile;
 478                                         pr_xstatement = st - pr_statements;
 479                                         Host_Error("Progs attempted to write to an out of bounds edict\n");
 480                                         return;
 481                                 }
 482 #endif
 483                                 ptr = (eval_t *)((qbyte *)sv.edictsfields + OPB->_int);
 484                                 ptr->_int = OPA->_int;
 485                                 break;
 486                         case OP_LOAD_I:
 487 #if PRBOUNDSCHECK
 488                                 if (OPA->edict < 0 || OPA->edict >= pr_edictareasize)
 489                                 {
 490                                         pr_xfunction->profile += profile - startprofile;
 491                                         startprofile = profile;
 492                                         pr_xstatement = st - pr_statements;
 493                                         Host_Error("Progs attempted to read an out of bounds edict number\n");
 494                                         return;
 495                                 }
 496                                 if (OPB->_int < 0 || OPB->_int >= progs->entityfields)
 497                                 {
 498                                         pr_xfunction->profile += profile - startprofile;
 499                                         startprofile = profile;
 500                                         pr_xstatement = st - pr_statements;
 501                                         Host_Error("Progs attempted to read an invalid field in an edict\n");
 502                                         return;
 503                                 }
 504 #endif
 505                                 ed = PROG_TO_EDICT(OPA->edict);
 506                                 OPC->_int = ((eval_t *)((int *)ed->v + OPB->_int))->_int;
 507                                 break;
 508
 509                         case OP_GSTOREP_I:
 510                         case OP_GSTOREP_F:
 511                         case OP_GSTOREP_ENT:
 512                         case OP_GSTOREP_FLD:            // integers
 513                         case OP_GSTOREP_S:
 514                         case OP_GSTOREP_FNC:            // pointers
 515 #if PRBOUNDSCHECK
 516                                 if (OPB->_int < 0 || OPB->_int >= pr_globaldefs)
 517                                 {
 518                                         pr_xfunction->profile += profile - startprofile;
 519                                         startprofile = profile;
 520                                         pr_xstatement = st - pr_statements;
 521                                         Host_Error("Progs attempted to write to an invalid indexed global\n");
 522                                         return;
 523                                 }
 524 #endif
 525                                 pr_globals[OPB->_int] = OPA->_float;
 526                                 break;
 527                         case OP_GSTOREP_V:
 528 #if PRBOUNDSCHECK
 529                                 if (OPB->_int < 0 || OPB->_int + 2 >= pr_globaldefs)
 530                                 {
 531                                         pr_xfunction->profile += profile - startprofile;
 532                                         startprofile = profile;
 533                                         pr_xstatement = st - pr_statements;
 534                                         Host_Error("Progs attempted to write to an invalid indexed global\n");
 535                                         return;
 536                                 }
 537 #endif
 538                                 pr_globals[OPB->_int  ] = OPA->vector[0];
 539                                 pr_globals[OPB->_int+1] = OPA->vector[1];
 540                                 pr_globals[OPB->_int+2] = OPA->vector[2];
 541                                 break;
 542
 543                         case OP_GADDRESS:
 544                                 i = OPA->_int + (int) OPB->_float;
 545 #if PRBOUNDSCHECK
 546                                 if (i < 0 || i >= pr_globaldefs)
 547                                 {
 548                                         pr_xfunction->profile += profile - startprofile;
 549                                         startprofile = profile;
 550                                         pr_xstatement = st - pr_statements;
 551                                         Host_Error("Progs attempted to address an out of bounds global\n");
 552                                         return;
 553                                 }
 554 #endif
 555                                 OPC->_float = pr_globals[i];
 556                                 break;
 557
 558                         case OP_GLOAD_I:
 559                         case OP_GLOAD_F:
 560                         case OP_GLOAD_FLD:
 561                         case OP_GLOAD_ENT:
 562                         case OP_GLOAD_S:
 563                         case OP_GLOAD_FNC:
 564 #if PRBOUNDSCHECK
 565                                 if (OPA->_int < 0 || OPA->_int >= pr_globaldefs)
 566                                 {
 567                                         pr_xfunction->profile += profile - startprofile;
 568                                         startprofile = profile;
 569                                         pr_xstatement = st - pr_statements;
 570                                         Host_Error("Progs attempted to read an invalid indexed global\n");
 571                                         return;
 572                                 }
 573 #endif
 574                                 OPC->_float = pr_globals[OPA->_int];
 575                                 break;
 576
 577                         case OP_GLOAD_V:
 578 #if PRBOUNDSCHECK
 579                                 if (OPA->_int < 0 || OPA->_int + 2 >= pr_globaldefs)
 580                                 {
 581                                         pr_xfunction->profile += profile - startprofile;
 582                                         startprofile = profile;
 583                                         pr_xstatement = st - pr_statements;
 584                                         Host_Error("Progs attempted to read an invalid indexed global\n");
 585                                         return;
 586                                 }
 587 #endif
 588                                 OPC->vector[0] = pr_globals[OPA->_int  ];
 589                                 OPC->vector[1] = pr_globals[OPA->_int+1];
 590                                 OPC->vector[2] = pr_globals[OPA->_int+2];
 591                                 break;
 592
 593                         case OP_BOUNDCHECK:
 594                                 if (OPA->_int < 0 || OPA->_int >= st->b)
 595                                 {
 596                                         pr_xfunction->profile += profile - startprofile;
 597                                         startprofile = profile;
 598                                         pr_xstatement = st - pr_statements;
 599                                         Host_Error("Progs boundcheck failed at line number %d, value is < 0 or >= %d\n", st->b, st->c);
 600                                         return;
 601                                 }
 602                                 break;
 603
 604 */
 605
 606                         default:
 607                                 pr_xfunction->profile += profile - startprofile;
 608                                 startprofile = profile;
 609                                 pr_xstatement = st - pr_statements;
 610                                 Host_Error ("Bad opcode %i", st->op);
 611                         }
 612                 }
 613