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Added disassemble command

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This commit is contained in:
Lior Halphon 2016-10-19 23:55:23 +03:00
parent ee51dec20e
commit 1b8832a7ff
1 changed files with 38 additions and 0 deletions
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38
Core/debugger.c
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@ -1210,6 +1210,42 @@ static bool examine(GB_gameboy_t *gb, char *arguments, char *modifiers, const de
return true;
}
static bool disassemble(GB_gameboy_t *gb, char *arguments, char *modifiers, const debugger_command_t *command)
{
if (strlen(lstrip(arguments)) == 0) {
arguments = "pc";
}
bool error;
value_t addr = debugger_evaluate(gb, arguments, (unsigned int)strlen(arguments), &error, NULL, NULL);
uint16_t count = 5;
if (modifiers) {
char *end;
count = (uint16_t) (strtol(modifiers, &end, 10));
if (*end) {
print_usage(gb, command);
return true;
}
}
if (!error) {
if (addr.has_bank) {
banking_state_t old_state;
save_banking_state(gb, &old_state);
switch_banking_state(gb, addr.bank);
GB_cpu_disassemble(gb, addr.value, count);
restore_banking_state(gb, &old_state);
}
else {
GB_cpu_disassemble(gb, addr.value, count);
}
}
return true;
}
static bool mbc(GB_gameboy_t *gb, char *arguments, char *modifiers, const debugger_command_t *command)
{
NO_MODIFIERS
@ -1367,6 +1403,8 @@ static const debugger_command_t commands[] = {
{"eval", 2, }, /* Alias */
{"examine", 2, examine, "Examine values at address", "<expression>", "count"},
{"x", 1, }, /* Alias */
{"disassemble", 1, disassemble, "disassemble instructions at address", "<expression>", "count"},
{"help", 1, help, "List available commands or show help for the specified command", "[<command>]"},
{NULL,}, /* Null terminator */