static unsigned int mon_register_get_val(int mem, int reg_id)
{
WDC65816_regs_t *reg_ptr;
if (monitor_diskspace_dnr(mem) >= 0) {
if (!check_drive_emu_level_ok(monitor_diskspace_dnr(mem) + 8)) {
return 0;
}
}
reg_ptr = mon_interfaces[mem]->cpu_65816_regs;
switch(reg_id) {
case e_A:
return WDC65816_REGS_GET_A(reg_ptr);
case e_B:
return WDC65816_REGS_GET_B(reg_ptr);
case e_C:
return (WDC65816_REGS_GET_B(reg_ptr) << 8) | WDC65816_REGS_GET_A(reg_ptr);
case e_X:
return WDC65816_REGS_GET_X(reg_ptr);
case e_Y:
return WDC65816_REGS_GET_Y(reg_ptr);
case e_PC:
return WDC65816_REGS_GET_PC(reg_ptr);
case e_SP:
return WDC65816_REGS_GET_SP(reg_ptr);
case e_PBR:
return WDC65816_REGS_GET_PBR(reg_ptr);
case e_DBR:
return WDC65816_REGS_GET_DBR(reg_ptr);
case e_DPR:
return WDC65816_REGS_GET_DPR(reg_ptr);
case e_E:
return WDC65816_REGS_GET_EMUL(reg_ptr);
case e_FLAGS:
return WDC65816_REGS_GET_FLAGS(reg_ptr)
| WDC65816_REGS_GET_SIGN(reg_ptr)
| (WDC65816_REGS_GET_ZERO(reg_ptr) << 1);
default:
log_error(LOG_ERR, "Unknown register!");
}
return 0;
}
DWORD traps_handler(void)
{
traplist_t *p = traplist;
unsigned int pc;
int result;
if (machine_class == VICE_MACHINE_C64DTV) {
pc = MOS6510DTV_REGS_GET_PC(&maincpu_regs);
} else if (machine_class == VICE_MACHINE_SCPU64) {
/* FIXME: PBR also needed ?? */
pc = WDC65816_REGS_GET_PC(&maincpu_regs);
} else {
pc = MOS6510_REGS_GET_PC(&maincpu_regs);
}
while (p) {
if (p->trap->address == pc) {
/* This allows the trap function to remove traps. */
WORD resume_address = p->trap->resume_address;
result = (*p->trap->func)();
if (!result) {
return (p->trap->check[0] | (p->trap->check[1] << 8) | (p->trap->check[2] << 16));
}
/* XXX ALERT! `p' might not be valid anymore here, because
`p->trap->func()' might have removed all the traps. */
if (machine_class == VICE_MACHINE_C64DTV) {
MOS6510DTV_REGS_SET_PC(&maincpu_regs, resume_address);
} else {
MOS6510_REGS_SET_PC(&maincpu_regs, resume_address);
}
return 0;
}
p = p->next;
}
return (DWORD)-1;
}
