static unsigned int mon_register_get_val(int mem, int reg_id)
{
mos6510dtv_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]->dtv_cpu_regs;
switch(reg_id) {
case e_A:
return MOS6510DTV_REGS_GET_A(reg_ptr);
case e_X:
return MOS6510DTV_REGS_GET_X(reg_ptr);
case e_Y:
return MOS6510DTV_REGS_GET_Y(reg_ptr);
case e_PC:
return MOS6510DTV_REGS_GET_PC(reg_ptr);
case e_SP:
return MOS6510DTV_REGS_GET_SP(reg_ptr);
case e_FLAGS:
return MOS6510DTV_REGS_GET_FLAGS(reg_ptr)
| MOS6510DTV_REGS_GET_SIGN(reg_ptr)
| (MOS6510DTV_REGS_GET_ZERO(reg_ptr) << 1);
case e_R3:
return MOS6510DTV_REGS_GET_R3(reg_ptr);
case e_R4:
return MOS6510DTV_REGS_GET_R4(reg_ptr);
case e_R5:
return MOS6510DTV_REGS_GET_R5(reg_ptr);
case e_R6:
return MOS6510DTV_REGS_GET_R6(reg_ptr);
case e_R7:
return MOS6510DTV_REGS_GET_R7(reg_ptr);
case e_R8:
return MOS6510DTV_REGS_GET_R8(reg_ptr);
case e_R9:
return MOS6510DTV_REGS_GET_R9(reg_ptr);
case e_R10:
return MOS6510DTV_REGS_GET_R10(reg_ptr);
case e_R11:
return MOS6510DTV_REGS_GET_R11(reg_ptr);
case e_R12:
return MOS6510DTV_REGS_GET_R12(reg_ptr);
case e_R13:
return MOS6510DTV_REGS_GET_R13(reg_ptr);
case e_R14:
return MOS6510DTV_REGS_GET_R14(reg_ptr);
case e_R15:
return MOS6510DTV_REGS_GET_R15(reg_ptr);
case e_ACM:
return MOS6510DTV_REGS_GET_ACM(reg_ptr);
case e_YXM:
return MOS6510DTV_REGS_GET_YXM(reg_ptr);
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;
}