diff options
Diffstat (limited to 'src/mame/drivers/cm1800.cpp')
-rw-r--r-- | src/mame/drivers/cm1800.cpp | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/src/mame/drivers/cm1800.cpp b/src/mame/drivers/cm1800.cpp index dafba38e526..1c7dae6ad9a 100644 --- a/src/mame/drivers/cm1800.cpp +++ b/src/mame/drivers/cm1800.cpp @@ -64,17 +64,19 @@ READ8_MEMBER(cm1800_state::uart_status_r) return (m_uart->dav_r()) | (m_uart->tbmt_r() << 2); } -ADDRESS_MAP_START(cm1800_state::mem_map) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE( 0x0000, 0x07ff ) AM_ROM AM_REGION("roms", 0) - AM_RANGE( 0x0800, 0xffff ) AM_RAM -ADDRESS_MAP_END - -ADDRESS_MAP_START(cm1800_state::io_map) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE(0x00, 0x00) AM_DEVREADWRITE("uart", ay31015_device, receive, transmit) - AM_RANGE(0x01, 0x01) AM_READ(uart_status_r) -ADDRESS_MAP_END +void cm1800_state::mem_map(address_map &map) +{ + map.unmap_value_high(); + map(0x0000, 0x07ff).rom().region("roms", 0); + map(0x0800, 0xffff).ram(); +} + +void cm1800_state::io_map(address_map &map) +{ + map.unmap_value_high(); + map(0x00, 0x00).rw(m_uart, FUNC(ay31015_device::receive), FUNC(ay31015_device::transmit)); + map(0x01, 0x01).r(this, FUNC(cm1800_state::uart_status_r)); +} /* Input ports */ static INPUT_PORTS_START( cm1800 ) |