diff options
Diffstat (limited to 'debug.c')
| -rw-r--r-- | debug.c | 50 |
1 files changed, 47 insertions, 3 deletions
@@ -552,12 +552,15 @@ z80_context * zdebugger(z80_context * context, uint16_t address) } break; } + case '?': + print_z80_help(); + break; default: if ( !context->Z80_OPTS->gen.debug_cmd_handler || !context->Z80_OPTS->gen.debug_cmd_handler(&system->header, input_buf) ) { - fprintf(stderr, "Unrecognized debugger command %s\n", input_buf); + fprintf(stderr, "Unrecognized debugger command %s\nUse '?' for help.\n", input_buf); } break; } @@ -925,17 +928,58 @@ int run_debugger_command(m68k_context *context, char *input_buf, m68kinst inst, break; } #endif + case '?': + print_m68k_help(); + break; case 'q': puts("Quitting"); exit(0); break; - default: - fprintf(stderr, "Unrecognized debugger command %s\n", input_buf); + default: + fprintf(stderr, "Unrecognized debugger command %s\nUse '?' for help.\n", input_buf); break; } return 1; } +void print_m68k_help() +{ + printf("M68k Debugger Commands\n"); + printf(" b ADDRESS - Set a breakpoint at ADDRESS\n"); + printf(" d BREAKPOINT - Delete a 68K breakpoint\n"); + printf(" co BREAKPOINT - Run a list of debugger commands each time\n"); + printf(" BREAKPOINT is hit\n"); + printf(" a ADDRESS - Advance to address\n"); + printf(" n - Advance to next instruction\n"); + printf(" o - Advance to next instruction ignoring branches to\n"); + printf(" lower addresses (good for breaking out of loops)\n"); + printf(" s - Advance to next instruction (follows bsr/jsr)\n"); + printf(" c - Continue\n"); + printf(" bt - Print a backtrace\n"); + printf(" p[/(x|X|d|c)] VALUE - Print a register or memory location\n"); + printf(" di[/(x|X|d|c)] VALUE - Print a register or memory location each time\n"); + printf(" a breakpoint is hit\n"); + printf(" vs - Print VDP sprite list\n"); + printf(" vr - Print VDP register info\n"); + printf(" zb ADDRESS - Set a Z80 breakpoint\n"); + printf(" zp[/(x|X|d|c)] VALUE - Display a Z80 value\n"); + printf(" ? - Display help\n"); + printf(" q - Quit BlastEm\n"); +} + +void print_z80_help() +{ + printf("Z80 Debugger Commands\n"); + printf(" b ADDRESS - Set a breakpoint at ADDRESS\n"); + printf(" de BREAKPOINT - Delete a Z80 breakpoint\n"); + printf(" a ADDRESS - Advance to address\n"); + printf(" n - Advance to next instruction\n"); + printf(" c - Continue\n"); + printf(" p[/(x|X|d|c)] VALUE - Print a register or memory location\n"); + printf(" di[/(x|X|d|c)] VALUE - Print a register or memory location each time\n"); + printf(" a breakpoint is hit\n"); + printf(" q - Quit BlastEm\n"); +} void debugger(m68k_context * context, uint32_t address) { |