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Simplify handling ciritcal emulation errors.

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This commit is contained in:
Radosław Kujawa 2018-04-01 21:40:49 +02:00
parent 68fa918d97
commit 7cf3f263e3
3 changed files with 24 additions and 9 deletions
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8
src/instruction.c
View File

@ -325,8 +325,8 @@ instruction_data_write_1(rk65c02emu_t *e, instrdef_t *id, instruction_t *i, uint
* PC which is handled within emulation of a given opcode.
*/
default:
rk65c02_log(LOG_ERROR,
"unhandled addressing mode for opcode %x\n", i->opcode);
rk65c02_panic(e, "unhandled addressing mode for opcode %x\n",
i->opcode);
break;
}
}
@ -389,8 +389,8 @@ instruction_data_read_1(rk65c02emu_t *e, instrdef_t *id, instruction_t *i)
* PC which is handled within emulation of a given opcode.
*/
default:
rk65c02_log(LOG_ERROR,
"unhandled addressing mode for opcode %x\n", i->opcode);
rk65c02_panic(e, "unhandled addressing mode for opcode %x\n",
i->opcode);
break;
}

22
src/rk65c02.c
View File

@ -2,6 +2,7 @@
#include <stdint.h>
#include <stdlib.h>
#include <stdbool.h>
#include <stdarg.h>
#include <errno.h>
#include <assert.h>
@ -129,11 +130,8 @@ rk65c02_exec(rk65c02emu_t *e)
* maturity, let's catch them here to help iron out the
* bugs.
*/
rk65c02_log(LOG_WARN, "invalid opcode %X @ %X\n",
rk65c02_panic(e, "invalid opcode %X @ %X\n",
i.opcode, e->regs.PC);
e->state = STOPPED;
e->stopreason = EMUERROR;
}
if (e->trace)
@ -235,6 +233,22 @@ rk65c02_regs_string_get(reg_state_t regs)
return str;
}
void
rk65c02_panic(rk65c02emu_t *e, const char* fmt, ...)
{
va_list args;
va_start(args, fmt);
rk65c02_log(LOG_CRIT, fmt, args);
va_end(args);
e->state = STOPPED;
e->stopreason = EMUERROR;
/* TODO: run some UI callback. */
}
/*
int
main(void)

3
src/rk65c02.h
View File

@ -82,7 +82,8 @@ void rk65c02_step(rk65c02emu_t *, uint16_t);
char *rk65c02_regs_string_get(reg_state_t);
void rk65c02_dump_regs(reg_state_t);
void rk65c02_dump_stack(rk65c02emu_t *, uint8_t);
void rk65c02_irq(rk65c02emu_t *e);
void rk65c02_irq(rk65c02emu_t *);
void rk65c02_panic(rk65c02emu_t *, const char*, ...);
#endif