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comparison debug.c @ 744:fc68992cf18d

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Merge windows branch with latest changes
author Michael Pavone <pavone@retrodev.com>
date Thu, 28 May 2015 21:19:55 -0700
parents 7178d750efbd
children 2317bdca03b4 daa31ee7d8cd
comparison
equal deleted inserted replaced
743:cf78cb045fa4 744:fc68992cf18d
1 #include "debug.h" 1 #include "debug.h"
2 #include "blastem.h" 2 #include "blastem.h"
3 #include "68kinst.h" 3 #include "68kinst.h"
4 #include <stdlib.h> 4 #include <stdlib.h>
5 #include <string.h> 5 #include <string.h>
6 #include <sys/select.h>
7 #include "render.h"
6 8
7 static bp_def * breakpoints = NULL; 9 static bp_def * breakpoints = NULL;
8 static bp_def * zbreakpoints = NULL; 10 static bp_def * zbreakpoints = NULL;
9 static uint32_t bp_index = 0; 11 static uint32_t bp_index = 0;
10 static uint32_t zbp_index = 0; 12 static uint32_t zbp_index = 0;
469 static char last_cmd[1024]; 471 static char last_cmd[1024];
470 char input_buf[1024]; 472 char input_buf[1024];
471 static uint32_t branch_t; 473 static uint32_t branch_t;
472 static uint32_t branch_f; 474 static uint32_t branch_f;
473 m68kinst inst; 475 m68kinst inst;
476 sync_components(context, 0);
474 //probably not necessary, but let's play it safe 477 //probably not necessary, but let's play it safe
475 address &= 0xFFFFFF; 478 address &= 0xFFFFFF;
476 if (address == branch_t) { 479 if (address == branch_t) {
477 bp_def ** f_bp = find_breakpoint(&breakpoints, branch_f); 480 bp_def ** f_bp = find_breakpoint(&breakpoints, branch_f);
478 if (!*f_bp) { 481 if (!*f_bp) {
505 uint16_t * after_pc = m68k_decode(pc, &inst, address); 508 uint16_t * after_pc = m68k_decode(pc, &inst, address);
506 m68k_disasm(&inst, input_buf); 509 m68k_disasm(&inst, input_buf);
507 printf("%X: %s\n", address, input_buf); 510 printf("%X: %s\n", address, input_buf);
508 uint32_t after = address + (after_pc-pc)*2; 511 uint32_t after = address + (after_pc-pc)*2;
509 int debugging = 1; 512 int debugging = 1;
513 int prompt = 1;
514 fd_set read_fds;
515 FD_ZERO(&read_fds);
516 struct timeval timeout;
510 while (debugging) { 517 while (debugging) {
511 fputs(">", stdout); 518 if (prompt) {
519 fputs(">", stdout);
520 fflush(stdout);
521 }
522 process_events();
523 timeout.tv_sec = 0;
524 timeout.tv_usec = 16667;
525 FD_SET(fileno(stdin), &read_fds);
526 if(select(fileno(stdin) + 1, &read_fds, NULL, NULL, &timeout) < 1) {
527 prompt = 0;
528 continue;
529 } else {
530 prompt = 1;
531 }
512 if (!fgets(input_buf, sizeof(input_buf), stdin)) { 532 if (!fgets(input_buf, sizeof(input_buf), stdin)) {
513 fputs("fgets failed", stderr); 533 fputs("fgets failed", stderr);
514 break; 534 break;
515 } 535 }
516 strip_nl(input_buf); 536 strip_nl(input_buf);
630 for (int flag = 0; flag < 5; flag++) { 650 for (int flag = 0; flag < 5; flag++) {
631 value |= context->flags[flag] << (4-flag); 651 value |= context->flags[flag] << (4-flag);
632 } 652 }
633 } else if(param[0] == 'c') { 653 } else if(param[0] == 'c') {
634 value = context->current_cycle; 654 value = context->current_cycle;
635 } else if (param[0] == '0' && param[1] == 'x') { 655 } else if ((param[0] == '0' && param[1] == 'x') || param[0] == '$') {
636 uint32_t p_addr = strtol(param+2, NULL, 16); 656 uint32_t p_addr = strtol(param+(param[0] == '0' ? 2 : 1), NULL, 16);
637 value = read_dma_value(p_addr/2); 657 if ((p_addr & 0xFFFFFF) == 0xC00004) {
658 genesis_context * gen = context->system;
659 value = vdp_hv_counter_read(gen->vdp);
660 } else {
661 value = read_dma_value(p_addr/2);
662 }
638 } else { 663 } else {
639 fprintf(stderr, "Unrecognized parameter to p: %s\n", param); 664 fprintf(stderr, "Unrecognized parameter to p: %s\n", param);
640 break; 665 break;
641 } 666 }
642 printf(format, param, value); 667 printf(format, param, value);