| 1 |
/* |
| 2 |
* mon_cmd.cpp - mon standard commands |
| 3 |
* |
| 4 |
* mon (C) 1997-1999 Christian Bauer, Marc Hellwig |
| 5 |
* |
| 6 |
* This program is free software; you can redistribute it and/or modify |
| 7 |
* it under the terms of the GNU General Public License as published by |
| 8 |
* the Free Software Foundation; either version 2 of the License, or |
| 9 |
* (at your option) any later version. |
| 10 |
* |
| 11 |
* This program is distributed in the hope that it will be useful, |
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
* GNU General Public License for more details. |
| 15 |
* |
| 16 |
* You should have received a copy of the GNU General Public License |
| 17 |
* along with this program; if not, write to the Free Software |
| 18 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 |
*/ |
| 20 |
|
| 21 |
#include "sysdeps.h" |
| 22 |
|
| 23 |
#include <stdlib.h> |
| 24 |
|
| 25 |
#include "mon.h" |
| 26 |
#include "mon_cmd.h" |
| 27 |
#include "mon_ppc.h" |
| 28 |
#include "mon_68k.h" |
| 29 |
#include "mon_x86.h" |
| 30 |
#include "mon_6502.h" |
| 31 |
#include "mon_8080.h" |
| 32 |
|
| 33 |
#ifndef VERSION |
| 34 |
#define VERSION "2" |
| 35 |
#endif |
| 36 |
|
| 37 |
|
| 38 |
/* |
| 39 |
* range_args = [expression] [[COMMA] expression] END |
| 40 |
* |
| 41 |
* Read start address to "adr", end address to "end_adr". |
| 42 |
* "adr" defaults to '.', "end_adr" defaults to '.'+def_range |
| 43 |
* |
| 44 |
* true: OK, false: Error |
| 45 |
*/ |
| 46 |
|
| 47 |
static bool range_args(uint32 *adr, uint32 *end_adr, uint32 def_range) |
| 48 |
{ |
| 49 |
*adr = mon_dot_address; |
| 50 |
*end_adr = mon_dot_address + def_range; |
| 51 |
|
| 52 |
if (mon_token == T_END) |
| 53 |
return true; |
| 54 |
else { |
| 55 |
if (!mon_expression(adr)) |
| 56 |
return false; |
| 57 |
*end_adr = *adr + def_range; |
| 58 |
if (mon_token == T_END) |
| 59 |
return true; |
| 60 |
else { |
| 61 |
if (mon_token == T_COMMA) mon_get_token(); |
| 62 |
if (!mon_expression(end_adr)) |
| 63 |
return false; |
| 64 |
return mon_token == T_END; |
| 65 |
} |
| 66 |
} |
| 67 |
} |
| 68 |
|
| 69 |
|
| 70 |
/* |
| 71 |
* byte_string = (expression | STRING) {COMMA (expression | STRING)} END |
| 72 |
*/ |
| 73 |
|
| 74 |
static bool byte_string(uint8 *s, uint32 &len) |
| 75 |
{ |
| 76 |
uint32 value; |
| 77 |
|
| 78 |
len = 0; |
| 79 |
goto start; |
| 80 |
|
| 81 |
for (;;) { |
| 82 |
if (mon_token == T_COMMA) { |
| 83 |
mon_get_token(); |
| 84 |
|
| 85 |
start: |
| 86 |
if (mon_token == T_STRING) { |
| 87 |
uint8 *p = (uint8 *)mon_string; |
| 88 |
while ((*s++ = *p++) != 0) ; |
| 89 |
s--; |
| 90 |
len += strlen(mon_string); |
| 91 |
mon_get_token(); |
| 92 |
} else if (mon_expression(&value)) { |
| 93 |
*s++ = value; |
| 94 |
len++; |
| 95 |
} else |
| 96 |
return false; |
| 97 |
|
| 98 |
} else if (mon_token == T_END) |
| 99 |
return true; |
| 100 |
else { |
| 101 |
mon_error("',' expected"); |
| 102 |
return false; |
| 103 |
} |
| 104 |
} |
| 105 |
} |
| 106 |
|
| 107 |
|
| 108 |
/* |
| 109 |
* Convert character to printable character |
| 110 |
*/ |
| 111 |
|
| 112 |
static inline uint8 char2print(uint8 c) |
| 113 |
{ |
| 114 |
return (c >= 0x20 && c <= 0x7e) ? c : '.'; |
| 115 |
} |
| 116 |
|
| 117 |
|
| 118 |
/* |
| 119 |
* Show version |
| 120 |
* ver |
| 121 |
*/ |
| 122 |
|
| 123 |
void version(void) |
| 124 |
{ |
| 125 |
fprintf(monout, "mon V" VERSION "\n"); |
| 126 |
} |
| 127 |
|
| 128 |
|
| 129 |
/* |
| 130 |
* Redirect output |
| 131 |
* o [file] |
| 132 |
*/ |
| 133 |
|
| 134 |
void redir_output(void) |
| 135 |
{ |
| 136 |
// Close old file |
| 137 |
if (monout != monerr) { |
| 138 |
fclose(monout); |
| 139 |
monout = monerr; |
| 140 |
return; |
| 141 |
} |
| 142 |
|
| 143 |
// No argument given? |
| 144 |
if (mon_token == T_END) |
| 145 |
return; |
| 146 |
|
| 147 |
// Otherwise open file |
| 148 |
if (mon_token == T_STRING) { |
| 149 |
mon_get_token(); |
| 150 |
if (mon_token != T_END) { |
| 151 |
mon_error("Too many arguments"); |
| 152 |
return; |
| 153 |
} |
| 154 |
if (!(monout = fopen(mon_string, "w"))) |
| 155 |
mon_error("Unable to open file"); |
| 156 |
} else |
| 157 |
mon_error("'\"' around file name expected"); |
| 158 |
} |
| 159 |
|
| 160 |
|
| 161 |
/* |
| 162 |
* Compute and display expression |
| 163 |
* ? expression |
| 164 |
*/ |
| 165 |
|
| 166 |
void print_expr(void) |
| 167 |
{ |
| 168 |
uint32 val; |
| 169 |
|
| 170 |
if (!mon_expression(&val)) |
| 171 |
return; |
| 172 |
if (mon_token != T_END) { |
| 173 |
mon_error("Too many arguments"); |
| 174 |
return; |
| 175 |
} |
| 176 |
|
| 177 |
if (val > 0x7fffffff) { |
| 178 |
fprintf(monout, "Hex unsigned: $%08x\n" |
| 179 |
"Hex signed : -$%08x\n" |
| 180 |
"Dec unsigned: %u\n" |
| 181 |
"Dec signed : %d\n", val, -val, val, val); |
| 182 |
fprintf(monout, "Char : '%c%c%c%c'\n", char2print(val >> 24), char2print(val >> 16), char2print(val >> 8), char2print(val)); |
| 183 |
} else { |
| 184 |
fprintf(monout, "Hex : $%08x\n" |
| 185 |
"Dec : %d\n", val, val); |
| 186 |
fprintf(monout, "Char: '%c%c%c%c'\n", char2print(val >> 24), char2print(val >> 16), char2print(val >> 8), char2print(val)); |
| 187 |
} |
| 188 |
} |
| 189 |
|
| 190 |
|
| 191 |
/* |
| 192 |
* Execute shell command |
| 193 |
* \ "command" |
| 194 |
*/ |
| 195 |
|
| 196 |
void shell_command(void) |
| 197 |
{ |
| 198 |
if (mon_token != T_STRING) { |
| 199 |
mon_error("'\"' around command expected"); |
| 200 |
return; |
| 201 |
} |
| 202 |
mon_get_token(); |
| 203 |
if (mon_token != T_END) { |
| 204 |
mon_error("Too many arguments"); |
| 205 |
return; |
| 206 |
} |
| 207 |
system(mon_string); |
| 208 |
} |
| 209 |
|
| 210 |
|
| 211 |
/* |
| 212 |
* Memory dump |
| 213 |
* m [start [end]] |
| 214 |
*/ |
| 215 |
|
| 216 |
#define MEMDUMP_BPL 16 // Bytes per line |
| 217 |
|
| 218 |
void memory_dump(void) |
| 219 |
{ |
| 220 |
uint32 adr, end_adr; |
| 221 |
uint8 mem[MEMDUMP_BPL + 1]; |
| 222 |
|
| 223 |
mem[MEMDUMP_BPL] = 0; |
| 224 |
|
| 225 |
if (!range_args(&adr, &end_adr, 16 * MEMDUMP_BPL - 1)) // 16 lines unless end address specified |
| 226 |
return; |
| 227 |
|
| 228 |
while (adr <= end_adr && !mon_aborted()) { |
| 229 |
fprintf(monout, "%08x:", mon_use_real_mem ? adr: adr % mon_mem_size); |
| 230 |
for (int i=0; i<MEMDUMP_BPL; i++, adr++) { |
| 231 |
if (i % 4 == 0) |
| 232 |
fprintf(monout, " %08x", mon_read_word(adr)); |
| 233 |
mem[i] = char2print(mon_read_byte(adr)); |
| 234 |
} |
| 235 |
fprintf(monout, " '%s'\n", mem); |
| 236 |
} |
| 237 |
|
| 238 |
mon_dot_address = adr; |
| 239 |
} |
| 240 |
|
| 241 |
|
| 242 |
/* |
| 243 |
* ASCII dump |
| 244 |
* i [start [end]] |
| 245 |
*/ |
| 246 |
|
| 247 |
#define ASCIIDUMP_BPL 64 // Bytes per line |
| 248 |
|
| 249 |
void ascii_dump(void) |
| 250 |
{ |
| 251 |
uint32 adr, end_adr; |
| 252 |
uint8 str[ASCIIDUMP_BPL + 1]; |
| 253 |
|
| 254 |
str[ASCIIDUMP_BPL] = 0; |
| 255 |
|
| 256 |
if (!range_args(&adr, &end_adr, 16 * ASCIIDUMP_BPL - 1)) // 16 lines unless end address specified |
| 257 |
return; |
| 258 |
|
| 259 |
while (adr <= end_adr && !mon_aborted()) { |
| 260 |
fprintf(monout, "%08x:", mon_use_real_mem ? adr : adr % mon_mem_size); |
| 261 |
for (int i=0; i<ASCIIDUMP_BPL; i++, adr++) |
| 262 |
str[i] = char2print(mon_read_byte(adr)); |
| 263 |
fprintf(monout, " '%s'\n", str); |
| 264 |
} |
| 265 |
|
| 266 |
mon_dot_address = adr; |
| 267 |
} |
| 268 |
|
| 269 |
|
| 270 |
/* |
| 271 |
* Binary dump |
| 272 |
* b [start [end]] |
| 273 |
*/ |
| 274 |
|
| 275 |
void binary_dump(void) |
| 276 |
{ |
| 277 |
uint32 adr, end_adr; |
| 278 |
uint8 str[9]; |
| 279 |
|
| 280 |
str[8] = 0; |
| 281 |
|
| 282 |
if (!range_args(&adr, &end_adr, 7)) // 8 lines unless end address specified |
| 283 |
return; |
| 284 |
|
| 285 |
while (adr <= end_adr && !mon_aborted()) { |
| 286 |
fprintf(monout, "%08x:", mon_use_real_mem ? adr : adr % mon_mem_size); |
| 287 |
uint8 b = mon_read_byte(adr); |
| 288 |
for (int m=0x80, i=0; i<8; m>>=1, i++) |
| 289 |
str[i] = (b & m) ? '*' : '.'; |
| 290 |
fprintf(monout, " '%s'\n", str); |
| 291 |
adr++; |
| 292 |
} |
| 293 |
|
| 294 |
mon_dot_address = adr; |
| 295 |
} |
| 296 |
|
| 297 |
|
| 298 |
/* |
| 299 |
* Disassemble |
| 300 |
* d [start [end]] |
| 301 |
* d65 [start [end]] |
| 302 |
* d68 [start [end]] |
| 303 |
* d80 [start [end]] |
| 304 |
* d86 [start [end]] |
| 305 |
*/ |
| 306 |
|
| 307 |
enum CPUType { |
| 308 |
CPU_PPC, |
| 309 |
CPU_6502, |
| 310 |
CPU_680x0, |
| 311 |
CPU_8080, |
| 312 |
CPU_80x86 |
| 313 |
}; |
| 314 |
|
| 315 |
static void disassemble(CPUType type) |
| 316 |
{ |
| 317 |
uint32 adr, end_adr; |
| 318 |
|
| 319 |
if (!range_args(&adr, &end_adr, 16 * 4 - 1)) // 16 lines unless end address specified |
| 320 |
return; |
| 321 |
|
| 322 |
switch (type) { |
| 323 |
case CPU_PPC: |
| 324 |
while (adr <= end_adr && !mon_aborted()) { |
| 325 |
uint32 w = mon_read_word(adr); |
| 326 |
fprintf(monout, "%08x: %08x\t", mon_use_real_mem ? adr : adr % mon_mem_size, w); |
| 327 |
disass_ppc(monout, mon_use_real_mem ? adr : adr % mon_mem_size, w); |
| 328 |
adr += 4; |
| 329 |
} |
| 330 |
break; |
| 331 |
|
| 332 |
case CPU_6502: |
| 333 |
while (adr <= end_adr && !mon_aborted()) { |
| 334 |
uint8 op = mon_read_byte(adr); |
| 335 |
uint8 lo = mon_read_byte(adr + 1); |
| 336 |
uint8 hi = mon_read_byte(adr + 2); |
| 337 |
fprintf(monout, "%08x: ", mon_use_real_mem ? adr : adr % mon_mem_size); |
| 338 |
adr += disass_6502(monout, mon_use_real_mem ? adr : adr % mon_mem_size, op, lo, hi); |
| 339 |
} |
| 340 |
break; |
| 341 |
|
| 342 |
case CPU_680x0: |
| 343 |
while (adr <= end_adr && !mon_aborted()) { |
| 344 |
uint16 buf[8]; |
| 345 |
buf[0] = mon_read_half(adr); |
| 346 |
buf[1] = mon_read_half(adr + 2); |
| 347 |
buf[2] = mon_read_half(adr + 4); |
| 348 |
buf[3] = mon_read_half(adr + 6); |
| 349 |
buf[4] = mon_read_half(adr + 8); |
| 350 |
buf[5] = mon_read_half(adr + 10); |
| 351 |
buf[6] = mon_read_half(adr + 12); |
| 352 |
buf[7] = mon_read_half(adr + 14); |
| 353 |
fprintf(monout, "%08x: ", mon_use_real_mem ? adr : adr % mon_mem_size); |
| 354 |
adr += disass_68k(monout, mon_use_real_mem ? adr : adr % mon_mem_size, buf); |
| 355 |
} |
| 356 |
break; |
| 357 |
|
| 358 |
case CPU_8080: |
| 359 |
while (adr <= end_adr && !mon_aborted()) { |
| 360 |
uint8 op = mon_read_byte(adr); |
| 361 |
uint8 lo = mon_read_byte(adr + 1); |
| 362 |
uint8 hi = mon_read_byte(adr + 2); |
| 363 |
fprintf(monout, "%08x: ", mon_use_real_mem ? adr : adr % mon_mem_size); |
| 364 |
adr += disass_8080(monout, mon_use_real_mem ? adr : adr % mon_mem_size, op, lo, hi); |
| 365 |
} |
| 366 |
break; |
| 367 |
|
| 368 |
case CPU_80x86: |
| 369 |
while (adr <= end_adr && !mon_aborted()) { |
| 370 |
uint8 buf[16]; |
| 371 |
for (int i=0; i<16; i++) |
| 372 |
buf[i] = mon_read_byte(adr + i); |
| 373 |
fprintf(monout, "%08x: ", mon_use_real_mem ? adr : adr % mon_mem_size); |
| 374 |
adr += disass_x86(monout, mon_use_real_mem ? adr : adr % mon_mem_size, buf); |
| 375 |
} |
| 376 |
break; |
| 377 |
} |
| 378 |
|
| 379 |
mon_dot_address = adr; |
| 380 |
} |
| 381 |
|
| 382 |
void disassemble_ppc(void) |
| 383 |
{ |
| 384 |
disassemble(CPU_PPC); |
| 385 |
} |
| 386 |
|
| 387 |
void disassemble_6502(void) |
| 388 |
{ |
| 389 |
disassemble(CPU_6502); |
| 390 |
} |
| 391 |
|
| 392 |
void disassemble_680x0(void) |
| 393 |
{ |
| 394 |
disassemble(CPU_680x0); |
| 395 |
} |
| 396 |
|
| 397 |
void disassemble_8080(void) |
| 398 |
{ |
| 399 |
disassemble(CPU_8080); |
| 400 |
} |
| 401 |
|
| 402 |
void disassemble_80x86(void) |
| 403 |
{ |
| 404 |
disassemble(CPU_80x86); |
| 405 |
} |
| 406 |
|
| 407 |
|
| 408 |
/* |
| 409 |
* Modify memory |
| 410 |
* : addr bytestring |
| 411 |
*/ |
| 412 |
|
| 413 |
void modify(void) |
| 414 |
{ |
| 415 |
uint32 adr, len, src_adr = 0; |
| 416 |
uint8 str[256]; |
| 417 |
|
| 418 |
if (!mon_expression(&adr)) |
| 419 |
return; |
| 420 |
if (!byte_string(str, len)) |
| 421 |
return; |
| 422 |
|
| 423 |
while (src_adr < len) |
| 424 |
mon_write_byte(adr++, str[src_adr++]); |
| 425 |
|
| 426 |
mon_dot_address = adr; |
| 427 |
} |
| 428 |
|
| 429 |
|
| 430 |
/* |
| 431 |
* Fill |
| 432 |
* f start end bytestring |
| 433 |
*/ |
| 434 |
|
| 435 |
void fill(void) |
| 436 |
{ |
| 437 |
uint32 adr, end_adr, len, src_adr = 0; |
| 438 |
uint8 str[256]; |
| 439 |
|
| 440 |
if (!mon_expression(&adr)) |
| 441 |
return; |
| 442 |
if (!mon_expression(&end_adr)) |
| 443 |
return; |
| 444 |
if (!byte_string(str, len)) |
| 445 |
return; |
| 446 |
|
| 447 |
while (adr <= end_adr) |
| 448 |
mon_write_byte(adr++, str[src_adr++ % len]); |
| 449 |
} |
| 450 |
|
| 451 |
|
| 452 |
/* |
| 453 |
* Transfer memory |
| 454 |
* t start end dest |
| 455 |
*/ |
| 456 |
|
| 457 |
void transfer(void) |
| 458 |
{ |
| 459 |
uint32 adr, end_adr, dest; |
| 460 |
int num; |
| 461 |
|
| 462 |
if (!mon_expression(&adr)) |
| 463 |
return; |
| 464 |
if (!mon_expression(&end_adr)) |
| 465 |
return; |
| 466 |
if (!mon_expression(&dest)) |
| 467 |
return; |
| 468 |
if (mon_token != T_END) { |
| 469 |
mon_error("Too many arguments"); |
| 470 |
return; |
| 471 |
} |
| 472 |
|
| 473 |
num = end_adr - adr + 1; |
| 474 |
|
| 475 |
if (dest < adr) |
| 476 |
for (int i=0; i<num; i++) |
| 477 |
mon_write_byte(dest++, mon_read_byte(adr++)); |
| 478 |
else { |
| 479 |
dest += end_adr - adr; |
| 480 |
for (int i=0; i<num; i++) |
| 481 |
mon_write_byte(dest--, mon_read_byte(end_adr--)); |
| 482 |
} |
| 483 |
} |
| 484 |
|
| 485 |
|
| 486 |
/* |
| 487 |
* Compare |
| 488 |
* c start end dest |
| 489 |
*/ |
| 490 |
|
| 491 |
void compare(void) |
| 492 |
{ |
| 493 |
uint32 adr, end_adr, dest; |
| 494 |
int num = 0; |
| 495 |
|
| 496 |
if (!mon_expression(&adr)) |
| 497 |
return; |
| 498 |
if (!mon_expression(&end_adr)) |
| 499 |
return; |
| 500 |
if (!mon_expression(&dest)) |
| 501 |
return; |
| 502 |
if (mon_token != T_END) { |
| 503 |
mon_error("Too many arguments"); |
| 504 |
return; |
| 505 |
} |
| 506 |
|
| 507 |
while (adr <= end_adr && !mon_aborted()) { |
| 508 |
if (mon_read_byte(adr) != mon_read_byte(dest)) { |
| 509 |
fprintf(monout, "%08x ", mon_use_real_mem ? adr : adr % mon_mem_size); |
| 510 |
num++; |
| 511 |
if (!(num & 7)) |
| 512 |
fputc('\n', monout); |
| 513 |
} |
| 514 |
adr++; dest++; |
| 515 |
} |
| 516 |
|
| 517 |
if (num & 7) |
| 518 |
fputc('\n', monout); |
| 519 |
fprintf(monout, "%d byte(s) different\n", num); |
| 520 |
} |
| 521 |
|
| 522 |
|
| 523 |
/* |
| 524 |
* Search for byte string |
| 525 |
* h start end bytestring |
| 526 |
*/ |
| 527 |
|
| 528 |
void hunt(void) |
| 529 |
{ |
| 530 |
uint32 adr, end_adr, len; |
| 531 |
uint8 str[256]; |
| 532 |
int num = 0; |
| 533 |
|
| 534 |
if (!mon_expression(&adr)) |
| 535 |
return; |
| 536 |
if (!mon_expression(&end_adr)) |
| 537 |
return; |
| 538 |
if (!byte_string(str, len)) |
| 539 |
return; |
| 540 |
|
| 541 |
while ((adr+len-1) <= end_adr && !mon_aborted()) { |
| 542 |
uint32 i; |
| 543 |
|
| 544 |
for (i=0; i<len; i++) |
| 545 |
if (mon_read_byte(adr + i) != str[i]) |
| 546 |
break; |
| 547 |
|
| 548 |
if (i == len) { |
| 549 |
fprintf(monout, "%08x ", mon_use_real_mem ? adr : adr % mon_mem_size); |
| 550 |
num++; |
| 551 |
if (num == 1) |
| 552 |
mon_dot_address = adr; |
| 553 |
if (!(num & 7)) |
| 554 |
fputc('\n', monout); |
| 555 |
} |
| 556 |
adr++; |
| 557 |
} |
| 558 |
|
| 559 |
if (num & 7) |
| 560 |
fputc('\n', monout); |
| 561 |
fprintf(monout, "Found %d occurrences\n", num); |
| 562 |
} |
| 563 |
|
| 564 |
|
| 565 |
/* |
| 566 |
* Load data |
| 567 |
* [ start "file" |
| 568 |
*/ |
| 569 |
|
| 570 |
void load_data(void) |
| 571 |
{ |
| 572 |
uint32 start_adr; |
| 573 |
FILE *file; |
| 574 |
int fc; |
| 575 |
|
| 576 |
if (!mon_expression(&start_adr)) |
| 577 |
return; |
| 578 |
if (mon_token == T_END) { |
| 579 |
mon_error("Missing file name"); |
| 580 |
return; |
| 581 |
} |
| 582 |
if (mon_token != T_STRING) { |
| 583 |
mon_error("'\"' around file name expected"); |
| 584 |
return; |
| 585 |
} |
| 586 |
mon_get_token(); |
| 587 |
if (mon_token != T_END) { |
| 588 |
mon_error("Too many arguments"); |
| 589 |
return; |
| 590 |
} |
| 591 |
|
| 592 |
if (!(file = fopen(mon_string, "rb"))) |
| 593 |
mon_error("Unable to open file"); |
| 594 |
else { |
| 595 |
uint32 adr = start_adr; |
| 596 |
|
| 597 |
while ((fc = fgetc(file)) != EOF) |
| 598 |
mon_write_byte(adr++, fc); |
| 599 |
fclose(file); |
| 600 |
|
| 601 |
fprintf(monerr, "%08x bytes read from %08x to %08x\n", adr - start_adr, mon_use_real_mem ? start_adr : start_adr % mon_mem_size, mon_use_real_mem ? adr-1 : (adr-1) % mon_mem_size); |
| 602 |
mon_dot_address = adr; |
| 603 |
} |
| 604 |
} |
| 605 |
|
| 606 |
|
| 607 |
/* |
| 608 |
* Save data |
| 609 |
* ] start size "file" |
| 610 |
*/ |
| 611 |
|
| 612 |
void save_data(void) |
| 613 |
{ |
| 614 |
uint32 start_adr, size; |
| 615 |
FILE *file; |
| 616 |
|
| 617 |
if (!mon_expression(&start_adr)) |
| 618 |
return; |
| 619 |
if (!mon_expression(&size)) |
| 620 |
return; |
| 621 |
if (mon_token == T_END) { |
| 622 |
mon_error("Missing file name"); |
| 623 |
return; |
| 624 |
} |
| 625 |
if (mon_token != T_STRING) { |
| 626 |
mon_error("'\"' around file name expected"); |
| 627 |
return; |
| 628 |
} |
| 629 |
mon_get_token(); |
| 630 |
if (mon_token != T_END) { |
| 631 |
mon_error("Too many arguments"); |
| 632 |
return; |
| 633 |
} |
| 634 |
|
| 635 |
if (!(file = fopen(mon_string, "wb"))) |
| 636 |
mon_error("Unable to create file"); |
| 637 |
else { |
| 638 |
uint32 adr = start_adr, end_adr = start_adr + size - 1; |
| 639 |
|
| 640 |
while (adr <= end_adr) |
| 641 |
fputc(mon_read_byte(adr++), file); |
| 642 |
fclose(file); |
| 643 |
|
| 644 |
fprintf(monerr, "%08x bytes written from %08x to %08x\n", size, mon_use_real_mem ? start_adr : start_adr % mon_mem_size, mon_use_real_mem ? end_adr : end_adr % mon_mem_size); |
| 645 |
} |
| 646 |
} |
