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; }