Example #1
0
static unsigned int mon_register_get_val(int mem, int reg_id)
{
    mos6510_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_regs;

    switch(reg_id) {
      case e_A:
        return MOS6510_REGS_GET_A(reg_ptr);
      case e_X:
        return MOS6510_REGS_GET_X(reg_ptr);
      case e_Y:
        return MOS6510_REGS_GET_Y(reg_ptr);
      case e_PC:
        return MOS6510_REGS_GET_PC(reg_ptr);
      case e_SP:
        return MOS6510_REGS_GET_SP(reg_ptr);
      case e_FLAGS:
          return MOS6510_REGS_GET_FLAGS(reg_ptr)
              | MOS6510_REGS_GET_SIGN(reg_ptr)
              | (MOS6510_REGS_GET_ZERO(reg_ptr) << 1);
      default:
        log_error(LOG_ERR, "Unknown register!");
    }
    return 0;
}
Example #2
0
int maincpu_snapshot_write_module(snapshot_t *s)
{
    snapshot_module_t *m;

    m = snapshot_module_create(s, snap_module_name, ((BYTE)SNAP_MAJOR),
                               ((BYTE)SNAP_MINOR));
    if (m == NULL) {
        return -1;
    }

    if (0
        || SMW_DW(m, maincpu_clk) < 0
        || SMW_B(m, MOS6510_REGS_GET_A(&maincpu_regs)) < 0
        || SMW_B(m, MOS6510_REGS_GET_X(&maincpu_regs)) < 0
        || SMW_B(m, MOS6510_REGS_GET_Y(&maincpu_regs)) < 0
        || SMW_B(m, MOS6510_REGS_GET_SP(&maincpu_regs)) < 0
        || SMW_W(m, (WORD)MOS6510_REGS_GET_PC(&maincpu_regs)) < 0
        || SMW_B(m, (BYTE)MOS6510_REGS_GET_STATUS(&maincpu_regs)) < 0
        || SMW_DW(m, (DWORD)last_opcode_info) < 0) {
        goto fail;
    }

    if (interrupt_write_snapshot(maincpu_int_status, m) < 0) {
        goto fail;
    }

    if (interrupt_write_new_snapshot(maincpu_int_status, m) < 0) {
        goto fail;
    }

    return snapshot_module_close(m);

fail:
    if (m != NULL) {
        snapshot_module_close(m);
    }
    return -1;
}
Example #3
0
unsigned int maincpu_get_y(void) {
    return MOS6510_REGS_GET_Y(&maincpu_regs);
}
Example #4
0
int drivecpu_snapshot_write_module(drive_context_t *drv, snapshot_t *s)
{
    snapshot_module_t *m;
    drivecpu_context_t *cpu;

    cpu = drv->cpu;

    m = snapshot_module_create(s, drv->cpu->snap_module_name,
                               ((BYTE)(SNAP_MAJOR)), ((BYTE)(SNAP_MINOR)));
    if (m == NULL) {
        return -1;
    }

    if (0
        || SMW_DW(m, (DWORD) *(drv->clk_ptr)) < 0
        || SMW_B(m, (BYTE)MOS6510_REGS_GET_A(&(cpu->cpu_regs))) < 0
        || SMW_B(m, (BYTE)MOS6510_REGS_GET_X(&(cpu->cpu_regs))) < 0
        || SMW_B(m, (BYTE)MOS6510_REGS_GET_Y(&(cpu->cpu_regs))) < 0
        || SMW_B(m, (BYTE)MOS6510_REGS_GET_SP(&(cpu->cpu_regs))) < 0
        || SMW_W(m, (WORD)MOS6510_REGS_GET_PC(&(cpu->cpu_regs))) < 0
        || SMW_B(m, (BYTE)MOS6510_REGS_GET_STATUS(&(cpu->cpu_regs))) < 0
        || SMW_DW(m, (DWORD)(cpu->last_opcode_info)) < 0
        || SMW_DW(m, (DWORD)(cpu->last_clk)) < 0
        || SMW_DW(m, (DWORD)(cpu->cycle_accum)) < 0
        || SMW_DW(m, (DWORD)(cpu->last_exc_cycles)) < 0
        || SMW_DW(m, (DWORD)(cpu->stop_clk)) < 0
        ) {
        goto fail;
    }

    if (interrupt_write_snapshot(cpu->int_status, m) < 0) {
        goto fail;
    }

    if (drv->drive->type == DRIVE_TYPE_1540
        || drv->drive->type == DRIVE_TYPE_1541
        || drv->drive->type == DRIVE_TYPE_1541II
        || drv->drive->type == DRIVE_TYPE_1551
        || drv->drive->type == DRIVE_TYPE_1570
        || drv->drive->type == DRIVE_TYPE_1571
        || drv->drive->type == DRIVE_TYPE_1571CR
        || drv->drive->type == DRIVE_TYPE_2031) {
        if (SMW_BA(m, drv->drive->drive_ram, 0x800) < 0) {
            goto fail;
        }
    }

    if (drv->drive->type == DRIVE_TYPE_1581
        || drv->drive->type == DRIVE_TYPE_2000
        || drv->drive->type == DRIVE_TYPE_4000) {
        if (SMW_BA(m, drv->drive->drive_ram, 0x2000) < 0) {
            goto fail;
        }
    }
    if (drive_check_old(drv->drive->type)) {
        if (SMW_BA(m, drv->drive->drive_ram, 0x1100) < 0) {
            goto fail;
        }
    }

    if (interrupt_write_new_snapshot(cpu->int_status, m) < 0) {
        goto fail;
    }

    return snapshot_module_close(m);

fail:
    if (m != NULL) {
        snapshot_module_close(m);
    }
    return -1;
}