diff options
Diffstat (limited to 'src/devices/bus/vic20/exp.cpp')
-rw-r--r-- | src/devices/bus/vic20/exp.cpp | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/src/devices/bus/vic20/exp.cpp b/src/devices/bus/vic20/exp.cpp index e70bda544bc..93f00290a27 100644 --- a/src/devices/bus/vic20/exp.cpp +++ b/src/devices/bus/vic20/exp.cpp @@ -70,12 +70,27 @@ vic20_expansion_slot_device::vic20_expansion_slot_device(const machine_config &m //------------------------------------------------- +// device_validity_check - +//------------------------------------------------- + +void vic20_expansion_slot_device::device_validity_check(validity_checker &valid) const +{ + device_t *const carddev = get_card_device(); + if (carddev && !dynamic_cast<device_vic20_expansion_card_interface *>(carddev)) + osd_printf_error("Card device %s (%s) does not implement device_vic20_expansion_card_interface\n", carddev->tag(), carddev->name()); +} + + +//------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void vic20_expansion_slot_device::device_start() { - m_card = dynamic_cast<device_vic20_expansion_card_interface *>(get_card_device()); + device_t *const carddev = get_card_device(); + m_card = dynamic_cast<device_vic20_expansion_card_interface *>(carddev); + if (carddev && !m_card) + fatalerror("Card device %s (%s) does not implement device_vic20_expansion_card_interface\n", carddev->tag(), carddev->name()); // resolve callbacks m_write_irq.resolve_safe(); @@ -98,10 +113,6 @@ void vic20_expansion_slot_device::device_start() void vic20_expansion_slot_device::device_reset() { - if (get_card_device()) - { - get_card_device()->reset(); - } } |