Mercurial > hg-old > index.cgi
annotate src/pseudo.c @ 53:493cb8ea50a0
Added rm[dq], zm[bdq]
| author | lost |
|---|---|
| date | Sun, 04 Jan 2009 20:28:30 +0000 |
| parents | b9856da2674a |
| children | 360d53062bb9 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 pseudo.c |
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3 Copyright © 2009 William Astle |
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4 |
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5 This file is part of LWASM. |
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6 |
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7 LWASM is free software: you can redistribute it and/or modify it under the |
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8 terms of the GNU General Public License as published by the Free Software |
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9 Foundation, either version 3 of the License, or (at your option) any later |
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10 version. |
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11 |
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12 This program is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
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15 more details. |
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16 |
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17 You should have received a copy of the GNU General Public License along with |
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18 this program. If not, see <http://www.gnu.org/licenses/>. |
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19 |
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20 |
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21 This file implements the various pseudo operations. |
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22 */ |
| 0 | 23 |
| 24 #include <stdlib.h> | |
| 50 | 25 #include <string.h> |
| 0 | 26 #include "lwasm.h" |
| 27 #include "instab.h" | |
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28 #include "expr.h" |
| 52 | 29 #include "util.h" |
| 0 | 30 |
| 52 | 31 extern int lwasm_read_file(asmstate_t *as, const char *filename); |
| 0 | 32 |
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33 OPFUNC(pseudo_org) |
| 0 | 34 { |
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35 int rval; |
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36 lwasm_expr_stack_t *s; |
| 52 | 37 |
| 38 if (as -> passnum != 1) | |
| 39 { | |
| 40 // org is not needed to be processed on pass 2 | |
| 41 // this will prevent phasing errors for forward references that | |
| 42 // resolve on the second pass | |
| 43 // we saved the org address in l -> codeaddr on pass 1 | |
| 44 as -> addr = l -> codeaddr; | |
| 45 return; | |
| 46 } | |
| 0 | 47 |
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48 if (l -> sym) |
| 0 | 49 { |
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50 register_error(as, l, 1, "No symbol allowed with ORG"); |
| 0 | 51 } |
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52 s = lwasm_evaluate_expr(as, l, *p, NULL); |
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53 if (!s) |
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54 { |
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55 register_error(as, l, 1, "Bad expression"); |
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56 return; |
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57 } |
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58 if (!lwasm_expr_is_constant(s)) |
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59 { |
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60 register_error(as, l, 1, "Illegal incomplete reference (pass 1)"); |
| 50 | 61 lwasm_expr_stack_free(s); |
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62 return; |
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63 } |
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64 rval = lwasm_expr_get_value(s) & 0xffff; |
| 50 | 65 lwasm_expr_stack_free(s); |
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66 l -> codeaddr = rval; |
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67 l -> addrset = 1; |
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68 as -> addr = rval; |
| 0 | 69 } |
| 70 | |
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71 /* |
| 52 | 72 The operand for include is a string optionally enclosed in " |
| 73 */ | |
| 74 OPFUNC(pseudo_include) | |
| 0 | 75 { |
| 76 int v1; | |
| 52 | 77 char *fn; |
| 0 | 78 |
| 52 | 79 // only include files on pass 1 |
| 80 // but make sure local include context is right | |
| 81 // for the next line... | |
| 0 | 82 if (as -> passnum != 1) |
| 52 | 83 { |
| 84 as -> context += 1; | |
| 0 | 85 return; |
| 52 | 86 } |
| 87 | |
| 88 while (**p && isspace(**p)) | |
| 89 (*p)++; | |
| 90 | |
| 91 if (!**p) | |
| 0 | 92 { |
| 52 | 93 register_error(as, l, 1, "Bad file name"); |
| 0 | 94 return; |
| 95 } | |
| 52 | 96 |
| 97 if (**p == '"') | |
| 98 { | |
| 99 // search for ending " | |
| 100 (*p)++; | |
| 101 for (v1 = 0; *((*p)+v1) && *((*p)+v1) != '"'; v1++) | |
| 102 /* do nothing */ ; | |
| 103 if (*((*p)+v1) != '"') | |
| 104 { | |
| 105 register_error(as, l, 1, "Bad file name"); | |
| 106 return; | |
| 107 } | |
| 108 } | |
| 109 else | |
| 0 | 110 { |
| 52 | 111 // search for a space type character |
| 112 for (v1 = 0; *((*p)+v1) && !isspace(*((*p)+v1)); v1++) | |
| 113 ; | |
| 0 | 114 } |
| 52 | 115 |
| 116 fn = lwasm_alloc(v1 + 1); | |
| 117 memcpy(fn, *p, v1); | |
| 118 fn[v1] = '\0'; | |
| 119 | |
| 120 // end local label context on include | |
| 121 as -> context += 1; | |
| 122 if (lwasm_read_file(as, fn) < 0) | |
| 123 { | |
| 124 register_error(as, l, 1, "File include error (%s)", fn); | |
| 125 } | |
| 126 lwasm_free(fn); | |
| 0 | 127 } |
| 128 | |
| 50 | 129 OPFUNC(pseudo_rmb) |
| 0 | 130 { |
| 50 | 131 int rval; |
| 132 lwasm_expr_stack_t *s; | |
| 0 | 133 |
| 50 | 134 s = lwasm_evaluate_expr(as, l, *p, NULL); |
| 135 if (!s) | |
| 0 | 136 { |
| 50 | 137 register_error(as, l, 1, "Bad expression"); |
| 0 | 138 return; |
| 139 } | |
| 50 | 140 if (!lwasm_expr_is_constant(s)) |
| 0 | 141 { |
| 50 | 142 register_error(as, l, 1, "Illegal incomplete reference (pass 1)"); |
| 143 lwasm_expr_stack_free(s); | |
| 0 | 144 return; |
| 145 } | |
| 50 | 146 rval = lwasm_expr_get_value(s); |
| 147 lwasm_expr_stack_free(s); | |
| 148 l -> nocodelen = rval; | |
| 149 as -> addr += rval; | |
| 0 | 150 } |
| 53 | 151 |
| 152 OPFUNC(pseudo_rmd) | |
| 0 | 153 { |
| 53 | 154 int rval; |
| 155 lwasm_expr_stack_t *s; | |
| 0 | 156 |
| 53 | 157 s = lwasm_evaluate_expr(as, l, *p, NULL); |
| 158 if (!s) | |
| 0 | 159 { |
| 53 | 160 register_error(as, l, 1, "Bad expression"); |
| 0 | 161 return; |
| 162 } | |
| 53 | 163 if (!lwasm_expr_is_constant(s)) |
| 0 | 164 { |
| 53 | 165 register_error(as, l, 1, "Illegal incomplete reference (pass 1)"); |
| 166 lwasm_expr_stack_free(s); | |
| 0 | 167 return; |
| 168 } | |
| 53 | 169 rval = lwasm_expr_get_value(s) * 2; |
| 170 lwasm_expr_stack_free(s); | |
| 171 l -> nocodelen = rval; | |
| 172 as -> addr += rval; | |
| 0 | 173 } |
| 174 | |
| 53 | 175 OPFUNC(pseudo_rmq) |
| 0 | 176 { |
| 53 | 177 int rval; |
| 178 lwasm_expr_stack_t *s; | |
| 0 | 179 |
| 53 | 180 s = lwasm_evaluate_expr(as, l, *p, NULL); |
| 181 if (!s) | |
| 0 | 182 { |
| 53 | 183 register_error(as, l, 1, "Bad expression"); |
| 0 | 184 return; |
| 185 } | |
| 53 | 186 if (!lwasm_expr_is_constant(s)) |
| 0 | 187 { |
| 53 | 188 register_error(as, l, 1, "Illegal incomplete reference (pass 1)"); |
| 189 lwasm_expr_stack_free(s); | |
| 0 | 190 return; |
| 191 } | |
| 53 | 192 rval = lwasm_expr_get_value(s) * 4; |
| 193 lwasm_expr_stack_free(s); | |
| 194 l -> nocodelen = rval; | |
| 195 as -> addr += rval; | |
| 0 | 196 } |
| 197 | |
| 53 | 198 OPFUNC(pseudo_zmb) |
| 0 | 199 { |
| 53 | 200 int rval; |
| 201 lwasm_expr_stack_t *s; | |
| 0 | 202 |
| 53 | 203 s = lwasm_evaluate_expr(as, l, *p, NULL); |
| 204 if (!s) | |
| 0 | 205 { |
| 53 | 206 register_error(as, l, 1, "Bad expression"); |
| 0 | 207 return; |
| 208 } | |
| 53 | 209 if (!lwasm_expr_is_constant(s)) |
| 0 | 210 { |
| 53 | 211 register_error(as, l, 1, "Illegal incomplete reference (pass 1)"); |
| 212 lwasm_expr_stack_free(s); | |
| 0 | 213 return; |
| 214 } | |
| 53 | 215 rval = lwasm_expr_get_value(s); |
| 216 lwasm_expr_stack_free(s); | |
| 217 while (rval-- > 0) | |
| 0 | 218 { |
| 53 | 219 lwasm_emit(as, l, 0); |
| 0 | 220 } |
| 221 } | |
| 222 | |
| 53 | 223 OPFUNC(pseudo_zmd) |
| 0 | 224 { |
| 53 | 225 int rval; |
| 226 lwasm_expr_stack_t *s; | |
| 0 | 227 |
| 53 | 228 s = lwasm_evaluate_expr(as, l, *p, NULL); |
| 229 if (!s) | |
| 0 | 230 { |
| 53 | 231 register_error(as, l, 1, "Bad expression"); |
| 0 | 232 return; |
| 233 } | |
| 53 | 234 if (!lwasm_expr_is_constant(s)) |
| 0 | 235 { |
| 53 | 236 register_error(as, l, 1, "Illegal incomplete reference (pass 1)"); |
| 237 lwasm_expr_stack_free(s); | |
| 0 | 238 return; |
| 239 } | |
| 53 | 240 rval = lwasm_expr_get_value(s); |
| 241 lwasm_expr_stack_free(s); | |
| 242 while (rval-- > 0) | |
| 0 | 243 { |
| 53 | 244 lwasm_emit(as, l, 0); |
| 245 lwasm_emit(as, l, 0); | |
| 0 | 246 } |
| 247 } | |
| 248 | |
| 53 | 249 OPFUNC(pseudo_zmq) |
| 250 { | |
| 251 int rval; | |
| 252 lwasm_expr_stack_t *s; | |
| 253 | |
| 254 s = lwasm_evaluate_expr(as, l, *p, NULL); | |
| 255 if (!s) | |
| 256 { | |
| 257 register_error(as, l, 1, "Bad expression"); | |
| 258 return; | |
| 259 } | |
| 260 if (!lwasm_expr_is_constant(s)) | |
| 261 { | |
| 262 register_error(as, l, 1, "Illegal incomplete reference (pass 1)"); | |
| 263 lwasm_expr_stack_free(s); | |
| 264 return; | |
| 265 } | |
| 266 rval = lwasm_expr_get_value(s); | |
| 267 lwasm_expr_stack_free(s); | |
| 268 while (rval-- > 0) | |
| 269 { | |
| 270 lwasm_emit(as, l, 0); | |
| 271 lwasm_emit(as, l, 0); | |
| 272 lwasm_emit(as, l, 0); | |
| 273 lwasm_emit(as, l, 0); | |
| 274 } | |
| 275 } | |
| 276 | |
| 277 /* | |
| 0 | 278 void pseudo_end(asmstate_t *as, sourceline_t *cl, char **optr) |
| 279 { | |
| 280 int rval, v1; | |
| 281 | |
| 282 while (**optr && isspace(**optr)) | |
| 283 ; | |
| 284 if (**optr && **optr != '*' && **optr != ';') | |
| 285 { | |
| 286 rval = eval_expr(as, cl, optr, &v1); | |
| 287 if (rval < 0) | |
| 288 { | |
| 289 errorp1(ERR_FORWARD); | |
| 290 return; | |
| 291 } | |
| 292 } | |
| 293 else | |
| 294 { | |
| 295 v1 = 0; | |
| 296 } | |
| 297 if (as -> passnum == 2) | |
| 298 as -> execaddr = v1; | |
| 299 } | |
| 300 | |
| 301 void pseudo_align(asmstate_t *as, sourceline_t *cl, char **optr) | |
| 302 { | |
| 303 int rval, v1; | |
| 304 int cn; | |
| 305 | |
| 306 rval = eval_expr(as, cl, optr, &v1); | |
| 307 if (rval < 0) | |
| 308 { | |
| 309 errorp1(ERR_FORWARD); | |
| 310 return; | |
| 311 } | |
| 312 cn = cl -> addr % v1; | |
| 313 if (cn) | |
| 314 cn = v1 - cn; | |
| 315 | |
| 316 while (cn) | |
| 317 { | |
| 318 emit(0); | |
| 319 cn--; | |
| 320 } | |
| 321 } | |
| 50 | 322 */ |
| 323 OPFUNC(pseudo_equ) | |
| 0 | 324 { |
| 50 | 325 lwasm_expr_stack_t *s; |
| 326 int rval; | |
| 52 | 327 |
| 328 // equ is not needed to be processed on pass 2 | |
| 329 if (as -> passnum != 1) | |
| 330 return; | |
| 331 | |
| 50 | 332 if (l -> sym == NULL) |
| 0 | 333 { |
| 50 | 334 register_error(as, l, 1, "No symbol specified"); |
| 0 | 335 return; |
| 336 } | |
| 50 | 337 |
| 338 s = lwasm_evaluate_expr(as, l, *p, NULL); | |
| 339 | |
| 340 if (!s) | |
| 0 | 341 { |
| 50 | 342 register_error(as, l, 1, "Bad expression"); |
| 343 rval = 0; | |
| 0 | 344 } |
| 50 | 345 else |
| 0 | 346 { |
| 50 | 347 if (!lwasm_expr_is_constant(s)) |
| 348 register_error(as, l, 1, "Invalid incomplete reference (pass 1)"); | |
| 349 rval = lwasm_expr_get_value(s); | |
| 350 lwasm_expr_stack_free(s); | |
| 0 | 351 } |
| 50 | 352 l -> symaddr = rval & 0xFFFF; |
| 353 l -> addrset = 2; | |
| 354 if (strchr(l -> sym, '@') || strchr(l -> sym, '?')) | |
| 355 lwasm_set_symbol(as, l -> sym, as -> context, l -> symaddr); | |
| 356 else | |
| 357 lwasm_set_symbol(as, l -> sym, -1, l -> symaddr); | |
| 0 | 358 } |
| 50 | 359 /* |
| 0 | 360 void pseudo_set(asmstate_t *as, sourceline_t *cl, char **optr) |
| 361 { | |
| 362 int rval, v1; | |
| 363 | |
| 364 if (cl -> hassym == 0) | |
| 365 { | |
| 366 errorp1(ERR_NOSYM); | |
| 367 return; | |
| 368 } | |
| 369 rval = eval_expr(as, cl, optr, &v1); | |
| 370 // eval_expr returns -1 if there was a forward ref | |
| 371 // or -2 if the expr was invalid | |
| 372 if (rval == -2) | |
| 373 { | |
| 374 // carp | |
| 375 errorp1(ERR_FORWARD); | |
| 376 } | |
| 377 if (rval < 0) | |
| 378 { | |
| 379 // remove symbol ref | |
| 380 cl -> hassym = 0; | |
| 381 // mark as a "comment" so it isn't processed next time | |
| 382 cl -> opcode = -1; | |
| 383 return; | |
| 384 } | |
| 385 cl -> code_symloc = v1; | |
| 386 cl -> isset = 1; | |
| 387 cl -> isequ = 1; | |
| 388 cl -> symaddr = v1 & 0xFFFF; | |
| 389 } | |
| 390 | |
| 391 void pseudo_setdp(asmstate_t *as, sourceline_t *cl, char **optr) | |
| 392 { | |
| 393 int rval, v1; | |
| 394 | |
| 395 if (cl -> hassym) | |
| 396 { | |
| 397 register_error(as, cl, ERR_SYM); | |
| 398 cl -> hassym = 0; | |
| 399 return; | |
| 400 } | |
| 401 else | |
| 402 { | |
| 403 rval = eval_expr(as, cl, optr, &v1); | |
| 404 if (rval == -1) | |
| 405 { | |
| 406 errorp1(ERR_FORWARD); | |
| 407 } | |
| 408 if (rval < 0) | |
| 409 { | |
| 410 cl -> opcode = -1; | |
| 411 return; | |
| 412 } | |
| 413 } | |
| 414 // setdp needs to resolve properly on pass 2 | |
| 415 if (v1 > 0xff || v1 < 0) | |
| 416 { | |
| 417 errorp1(ERR_OVERFLOW); | |
| 418 } | |
| 419 as -> dpval = v1 & 0xff; | |
| 420 cl -> dpval = v1 & 0xff; | |
| 421 cl -> issetdp = 1; | |
| 422 cl -> numcodebytes = 0; | |
| 423 //printf("%s\n", "SETDP2"); | |
| 424 } | |
| 425 | |
| 426 void pseudo_fcc(asmstate_t *as, sourceline_t *cl, char **optr) | |
| 427 { | |
| 428 int cn = 0; | |
| 429 int delim = 0; | |
| 430 | |
| 431 delim = *(*optr)++; | |
| 432 if (!delim) | |
| 433 { | |
| 434 errorp1(ERR_BADOPER); | |
| 435 } | |
| 436 else | |
| 437 { | |
| 438 while (**optr && **optr != delim) | |
| 439 { | |
| 440 emit(**optr); | |
| 441 (*optr)++; | |
| 442 cn += 1; | |
| 443 } | |
| 444 } | |
| 445 cl -> len = cn; | |
| 446 } | |
| 447 | |
| 448 void pseudo_fcs(asmstate_t *as, sourceline_t *cl, char **optr) | |
| 449 { | |
| 450 int cn = 0; | |
| 451 int delim = 0; | |
| 452 | |
| 453 delim = *(*optr)++; | |
| 454 if (!delim) | |
| 455 { | |
| 456 errorp1(ERR_BADOPER); | |
| 457 } | |
| 458 else | |
| 459 { | |
| 460 while (**optr && **optr != delim) | |
| 461 { | |
| 462 if (!*((*optr) + 1) || *((*optr) + 1) == delim) | |
| 463 emit((**optr) | 0x80); | |
| 464 else | |
| 465 emit(**optr); | |
| 466 (*optr)++; | |
| 467 cn += 1; | |
| 468 } | |
| 469 } | |
| 470 cl -> len = cn; | |
| 471 } | |
| 472 | |
| 473 void pseudo_fcn(asmstate_t *as, sourceline_t *cl, char **optr) | |
| 474 { | |
| 475 int cn = 0; | |
| 476 int delim = 0; | |
| 477 | |
| 478 delim = *(*optr)++; | |
| 479 if (!delim) | |
| 480 { | |
| 481 errorp1(ERR_BADOPER); | |
| 482 } | |
| 483 else | |
| 484 { | |
| 485 while (**optr && **optr != delim) | |
| 486 { | |
| 487 emit(**optr); | |
| 488 (*optr)++; | |
| 489 cn += 1; | |
| 490 } | |
| 491 } | |
| 492 emit(0); | |
| 493 cl -> len = cn + 1; | |
| 494 } | |
| 495 | |
| 496 void pseudo_fcb(asmstate_t *as, sourceline_t *cl, char **optr) | |
| 497 { | |
| 498 int rval, v1; | |
| 499 | |
| 500 fcb_again: | |
| 501 rval = eval_expr(as, cl, optr, &v1); | |
| 502 if (v1 < -127 || v1 > 0xff) | |
| 503 errorp2(ERR_OVERFLOW); | |
| 504 emit(v1 & 0xff); | |
| 505 if (**optr == ',') | |
| 506 { | |
| 507 (*optr)++; | |
| 508 goto fcb_again; | |
| 509 } | |
| 510 } | |
| 511 | |
| 512 void pseudo_fdb(asmstate_t *as, sourceline_t *cl, char **optr) | |
| 513 { | |
| 514 int rval, v1; | |
| 515 | |
| 516 fdb_again: | |
| 517 rval = eval_expr(as, cl, optr, &v1); | |
| 518 emit((v1 >> 8) & 0xff); | |
| 519 emit(v1 & 0xff); | |
| 520 if (**optr == ',') | |
| 521 { | |
| 522 (*optr)++; | |
| 523 goto fdb_again; | |
| 524 } | |
| 525 } | |
| 526 | |
| 527 void pseudo_fqb(asmstate_t *as, sourceline_t *cl, char **optr) | |
| 528 { | |
| 529 int rval, v1; | |
| 530 | |
| 531 fqb_again: | |
| 532 rval = eval_expr(as, cl, optr, &v1); | |
| 533 emit((v1 >> 24) & 0xff); | |
| 534 emit((v1 >> 16) & 0xff); | |
| 535 emit((v1 >> 8) & 0xff); | |
| 536 emit(v1 & 0xff); | |
| 537 if (**optr == ',') | |
| 538 { | |
| 539 (*optr)++; | |
| 540 goto fqb_again; | |
| 541 } | |
| 542 } | |
| 543 | |
| 544 // don't need to do anything if we are executing one of these | |
| 545 void pseudo_endc(asmstate_t *as, sourceline_t *cl, char **optr) | |
| 546 { | |
| 547 return; | |
| 548 } | |
| 549 | |
| 550 // if "else" executes, we must be going into an "ignore" state | |
| 551 void pseudo_else(asmstate_t *as, sourceline_t *cl, char **optr) | |
| 552 { | |
| 553 as -> skipcond = 1; | |
| 554 as -> skipcount = 1; | |
| 555 } | |
| 556 | |
| 557 void pseudo_ifne(asmstate_t *as, sourceline_t *cl, char **optr) | |
| 558 { | |
| 559 int v1; | |
| 560 int rval; | |
| 561 // printf("ifne %s\n", *optr); | |
| 562 rval = eval_expr(as, cl, optr, &v1); | |
| 563 if (rval < 0) | |
| 564 { | |
| 565 errorp1(ERR_BADCOND); | |
| 566 } | |
| 567 else | |
| 568 { | |
| 569 // printf("Condition value: %d\n", v1); | |
| 570 if (!v1) | |
| 571 { | |
| 572 // printf("condition no match\n"); | |
| 573 as -> skipcond = 1; | |
| 574 as -> skipcount = 1; | |
| 575 } | |
| 576 } | |
| 577 } | |
| 578 void pseudo_ifeq(asmstate_t *as, sourceline_t *cl, char **optr) | |
| 579 { | |
| 580 int v1; | |
| 581 int rval; | |
| 582 | |
| 583 rval = eval_expr(as, cl, optr, &v1); | |
| 584 if (rval < 0) | |
| 585 { | |
| 586 errorp1(ERR_BADCOND); | |
| 587 } | |
| 588 else | |
| 589 { | |
| 590 if (v1) | |
| 591 { | |
| 592 as -> skipcond = 1; | |
| 593 as -> skipcount = 1; | |
| 594 } | |
| 595 } | |
| 596 } | |
| 597 void pseudo_iflt(asmstate_t *as, sourceline_t *cl, char **optr) | |
| 598 { | |
| 599 int v1; | |
| 600 int rval; | |
| 601 | |
| 602 rval = eval_expr(as, cl, optr, &v1); | |
| 603 if (rval < 0) | |
| 604 { | |
| 605 errorp1(ERR_BADCOND); | |
| 606 } | |
| 607 else | |
| 608 { | |
| 609 if (v1 >= 0) | |
| 610 { | |
| 611 as -> skipcond = 1; | |
| 612 as -> skipcount = 1; | |
| 613 } | |
| 614 } | |
| 615 } | |
| 616 void pseudo_ifle(asmstate_t *as, sourceline_t *cl, char **optr) | |
| 617 { | |
| 618 int v1; | |
| 619 int rval; | |
| 620 | |
| 621 rval = eval_expr(as, cl, optr, &v1); | |
| 622 if (rval < 0) | |
| 623 { | |
| 624 errorp1(ERR_BADCOND); | |
| 625 } | |
| 626 else | |
| 627 { | |
| 628 if (v1 > 0) | |
| 629 { | |
| 630 as -> skipcond = 1; | |
| 631 as -> skipcount = 1; | |
| 632 } | |
| 633 } | |
| 634 } | |
| 635 void pseudo_ifgt(asmstate_t *as, sourceline_t *cl, char **optr) | |
| 636 { | |
| 637 int v1; | |
| 638 int rval; | |
| 639 | |
| 640 rval = eval_expr(as, cl, optr, &v1); | |
| 641 if (rval < 0) | |
| 642 { | |
| 643 errorp1(ERR_BADCOND); | |
| 644 } | |
| 645 else | |
| 646 { | |
| 647 if (v1 <= 0) | |
| 648 { | |
| 649 as -> skipcond = 1; | |
| 650 as -> skipcount = 1; | |
| 651 } | |
| 652 } | |
| 653 } | |
| 654 void pseudo_ifge(asmstate_t *as, sourceline_t *cl, char **optr) | |
| 655 { | |
| 656 int v1; | |
| 657 int rval; | |
| 658 | |
| 659 rval = eval_expr(as, cl, optr, &v1); | |
| 660 if (rval < 0) | |
| 661 { | |
| 662 errorp1(ERR_BADCOND); | |
| 663 } | |
| 664 else | |
| 665 { | |
| 666 if (v1 < 0) | |
| 667 { | |
| 668 as -> skipcond = 1; | |
| 669 as -> skipcount = 1; | |
| 670 } | |
| 671 } | |
| 672 } | |
| 673 | |
| 674 void pseudo_error(asmstate_t *as, sourceline_t *cl, char **optr) | |
| 675 { | |
| 676 cl -> user_error = strdup(*optr); | |
| 677 errorp1(ERR_USER); | |
| 678 } | |
|
47
804d7465e0f9
Implemented ORG and fixed problems with constants using $, &, or @ to specify base
lost
parents:
4
diff
changeset
|
679 */ |