diff options
Diffstat (limited to 'src/mame/drivers/m3.cpp')
-rw-r--r-- | src/mame/drivers/m3.cpp | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/src/mame/drivers/m3.cpp b/src/mame/drivers/m3.cpp index d95f02b0350..f28e27891fa 100644 --- a/src/mame/drivers/m3.cpp +++ b/src/mame/drivers/m3.cpp @@ -40,17 +40,19 @@ private: required_device<palette_device> m_palette; }; -ADDRESS_MAP_START(m3_state::mem_map) - AM_RANGE(0x0000, 0xe7ff) AM_RAM - AM_RANGE(0xe800, 0xefff) AM_RAM AM_SHARE("videoram") - AM_RANGE(0xf000, 0xffff) AM_ROM AM_REGION("roms", 0) -ADDRESS_MAP_END - -ADDRESS_MAP_START(m3_state::io_map) - ADDRESS_MAP_GLOBAL_MASK (0xff) - AM_RANGE(0x84, 0x84) AM_DEVREADWRITE("crtc", mc6845_device, status_r, address_w) - AM_RANGE(0x85, 0x85) AM_DEVREADWRITE("crtc", mc6845_device, register_r, register_w) -ADDRESS_MAP_END +void m3_state::mem_map(address_map &map) +{ + map(0x0000, 0xe7ff).ram(); + map(0xe800, 0xefff).ram().share("videoram"); + map(0xf000, 0xffff).rom().region("roms", 0); +} + +void m3_state::io_map(address_map &map) +{ + map.global_mask(0xff); + map(0x84, 0x84).rw("crtc", FUNC(mc6845_device::status_r), FUNC(mc6845_device::address_w)); + map(0x85, 0x85).rw("crtc", FUNC(mc6845_device::register_r), FUNC(mc6845_device::register_w)); +} static INPUT_PORTS_START( m3 ) INPUT_PORTS_END |