diff options
Diffstat (limited to 'src/mame/drivers/imsai.cpp')
-rw-r--r-- | src/mame/drivers/imsai.cpp | 44 |
1 files changed, 23 insertions, 21 deletions
diff --git a/src/mame/drivers/imsai.cpp b/src/mame/drivers/imsai.cpp index 2450f5930dd..c45c0f41fb4 100644 --- a/src/mame/drivers/imsai.cpp +++ b/src/mame/drivers/imsai.cpp @@ -51,27 +51,29 @@ private: }; -ADDRESS_MAP_START(imsai_state::imsai_mem) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE(0x0000, 0x07ff) AM_ROM AM_REGION("prom", 0) - AM_RANGE(0xd000, 0xd0ff) AM_RAM - AM_RANGE(0xd100, 0xd103) AM_DEVREADWRITE("pit", pit8253_device, read, write) - AM_RANGE(0xd800, 0xdfff) AM_ROM AM_REGION("prom", 0) -ADDRESS_MAP_END - -ADDRESS_MAP_START(imsai_state::imsai_io) - ADDRESS_MAP_UNMAP_HIGH - ADDRESS_MAP_GLOBAL_MASK(0xff) - AM_RANGE(0x02, 0x02) AM_READ(keyin_r) AM_DEVWRITE("terminal", generic_terminal_device, write) - AM_RANGE(0x03, 0x03) AM_READ(status_r) - AM_RANGE(0x04, 0x04) AM_DEVREADWRITE("uart", i8251_device, data_r, data_w) - AM_RANGE(0x05, 0x05) AM_DEVREADWRITE("uart", i8251_device, status_r, control_w) - AM_RANGE(0x12, 0x12) AM_DEVREADWRITE("uart", i8251_device, data_r, data_w) - AM_RANGE(0x13, 0x13) AM_DEVREADWRITE("uart", i8251_device, status_r, control_w) - AM_RANGE(0x14, 0x14) AM_READ(keyin_r) AM_DEVWRITE("terminal", generic_terminal_device, write) - AM_RANGE(0x15, 0x15) AM_READ(status_r) - AM_RANGE(0xf3, 0xf3) AM_WRITE(control_w) -ADDRESS_MAP_END +void imsai_state::imsai_mem(address_map &map) +{ + map.unmap_value_high(); + map(0x0000, 0x07ff).rom().region("prom", 0); + map(0xd000, 0xd0ff).ram(); + map(0xd100, 0xd103).rw(m_pit, FUNC(pit8253_device::read), FUNC(pit8253_device::write)); + map(0xd800, 0xdfff).rom().region("prom", 0); +} + +void imsai_state::imsai_io(address_map &map) +{ + map.unmap_value_high(); + map.global_mask(0xff); + map(0x02, 0x02).r(this, FUNC(imsai_state::keyin_r)).w(m_terminal, FUNC(generic_terminal_device::write)); + map(0x03, 0x03).r(this, FUNC(imsai_state::status_r)); + map(0x04, 0x04).rw("uart", FUNC(i8251_device::data_r), FUNC(i8251_device::data_w)); + map(0x05, 0x05).rw("uart", FUNC(i8251_device::status_r), FUNC(i8251_device::control_w)); + map(0x12, 0x12).rw("uart", FUNC(i8251_device::data_r), FUNC(i8251_device::data_w)); + map(0x13, 0x13).rw("uart", FUNC(i8251_device::status_r), FUNC(i8251_device::control_w)); + map(0x14, 0x14).r(this, FUNC(imsai_state::keyin_r)).w(m_terminal, FUNC(generic_terminal_device::write)); + map(0x15, 0x15).r(this, FUNC(imsai_state::status_r)); + map(0xf3, 0xf3).w(this, FUNC(imsai_state::control_w)); +} /* Input ports */ static INPUT_PORTS_START( imsai ) |