diff options
Diffstat (limited to 'src/mame/drivers/carrera.cpp')
-rw-r--r-- | src/mame/drivers/carrera.cpp | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/src/mame/drivers/carrera.cpp b/src/mame/drivers/carrera.cpp index b7a9cce6b41..f1a1c52890e 100644 --- a/src/mame/drivers/carrera.cpp +++ b/src/mame/drivers/carrera.cpp @@ -79,25 +79,27 @@ public: }; -ADDRESS_MAP_START(carrera_state::carrera_map) - AM_RANGE(0x0000, 0x4fff) AM_ROM - AM_RANGE(0xe000, 0xe7ff) AM_RAM - AM_RANGE(0xe800, 0xe800) AM_DEVWRITE("crtc", mc6845_device, address_w) - AM_RANGE(0xe801, 0xe801) AM_DEVWRITE("crtc", mc6845_device, register_w) - AM_RANGE(0xf000, 0xffff) AM_RAM AM_SHARE("tileram") -ADDRESS_MAP_END - -ADDRESS_MAP_START(carrera_state::io_map) - ADDRESS_MAP_GLOBAL_MASK(0xff) - AM_RANGE(0x00, 0x00) AM_READ_PORT("IN0") - AM_RANGE(0x01, 0x01) AM_READ_PORT("IN1") - AM_RANGE(0x02, 0x02) AM_READ_PORT("IN2") - AM_RANGE(0x03, 0x03) AM_READ_PORT("IN3") - AM_RANGE(0x04, 0x04) AM_READ_PORT("IN4") - AM_RANGE(0x05, 0x05) AM_READ_PORT("IN5") - AM_RANGE(0x06, 0x06) AM_WRITENOP // ? - AM_RANGE(0x08, 0x09) AM_DEVWRITE("aysnd", ay8910_device, address_data_w) -ADDRESS_MAP_END +void carrera_state::carrera_map(address_map &map) +{ + map(0x0000, 0x4fff).rom(); + map(0xe000, 0xe7ff).ram(); + map(0xe800, 0xe800).w("crtc", FUNC(mc6845_device::address_w)); + map(0xe801, 0xe801).w("crtc", FUNC(mc6845_device::register_w)); + map(0xf000, 0xffff).ram().share("tileram"); +} + +void carrera_state::io_map(address_map &map) +{ + map.global_mask(0xff); + map(0x00, 0x00).portr("IN0"); + map(0x01, 0x01).portr("IN1"); + map(0x02, 0x02).portr("IN2"); + map(0x03, 0x03).portr("IN3"); + map(0x04, 0x04).portr("IN4"); + map(0x05, 0x05).portr("IN5"); + map(0x06, 0x06).nopw(); // ? + map(0x08, 0x09).w("aysnd", FUNC(ay8910_device::address_data_w)); +} static INPUT_PORTS_START( carrera ) PORT_START("IN0") /* Port 0 */ |