diff options
Diffstat (limited to 'src/mame/drivers/mx2178.cpp')
-rw-r--r-- | src/mame/drivers/mx2178.cpp | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/src/mame/drivers/mx2178.cpp b/src/mame/drivers/mx2178.cpp index 5098a0d5c4c..c0622d679ff 100644 --- a/src/mame/drivers/mx2178.cpp +++ b/src/mame/drivers/mx2178.cpp @@ -56,21 +56,23 @@ private: required_region_ptr<u8> m_p_chargen; }; -ADDRESS_MAP_START(mx2178_state::mx2178_mem) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE(0x0000, 0x1fff) AM_ROM AM_REGION("roms", 0) - AM_RANGE(0x2000, 0x27ff) AM_RAM AM_SHARE("videoram") - AM_RANGE(0x6000, 0x6fff) AM_RAM - AM_RANGE(0xe000, 0xe7ff) AM_RAM -ADDRESS_MAP_END - -ADDRESS_MAP_START(mx2178_state::mx2178_io) - ADDRESS_MAP_GLOBAL_MASK(0xff) - AM_RANGE(0x00, 0x00) AM_DEVREADWRITE("crtc", mc6845_device, status_r, address_w) - AM_RANGE(0x01, 0x01) AM_DEVREADWRITE("crtc", mc6845_device, register_r, register_w) - AM_RANGE(0x80, 0x81) AM_DEVREADWRITE("acia1", acia6850_device, read, write) - AM_RANGE(0xa0, 0xa1) AM_DEVREADWRITE("acia2", acia6850_device, read, write) -ADDRESS_MAP_END +void mx2178_state::mx2178_mem(address_map &map) +{ + map.unmap_value_high(); + map(0x0000, 0x1fff).rom().region("roms", 0); + map(0x2000, 0x27ff).ram().share("videoram"); + map(0x6000, 0x6fff).ram(); + map(0xe000, 0xe7ff).ram(); +} + +void mx2178_state::mx2178_io(address_map &map) +{ + map.global_mask(0xff); + map(0x00, 0x00).rw("crtc", FUNC(mc6845_device::status_r), FUNC(mc6845_device::address_w)); + map(0x01, 0x01).rw("crtc", FUNC(mc6845_device::register_r), FUNC(mc6845_device::register_w)); + map(0x80, 0x81).rw("acia1", FUNC(acia6850_device::read), FUNC(acia6850_device::write)); + map(0xa0, 0xa1).rw("acia2", FUNC(acia6850_device::read), FUNC(acia6850_device::write)); +} /* Input ports */ |