diff options
Diffstat (limited to 'src/mame/drivers/ac1.cpp')
-rw-r--r-- | src/mame/drivers/ac1.cpp | 43 |
1 files changed, 23 insertions, 20 deletions
diff --git a/src/mame/drivers/ac1.cpp b/src/mame/drivers/ac1.cpp index 45ec7f930e7..8d2b1862685 100644 --- a/src/mame/drivers/ac1.cpp +++ b/src/mame/drivers/ac1.cpp @@ -34,26 +34,29 @@ static GFXDECODE_START( ac1 ) GFXDECODE_END /* Address maps */ -ADDRESS_MAP_START(ac1_state::ac1_mem) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE( 0x0000, 0x07ff ) AM_ROM // Monitor - AM_RANGE( 0x0800, 0x0fff ) AM_ROM // BASIC - AM_RANGE( 0x1000, 0x17ff ) AM_RAM // Video RAM - AM_RANGE( 0x1800, 0x1fff ) AM_RAM // RAM -ADDRESS_MAP_END - -ADDRESS_MAP_START(ac1_state::ac1_32_mem) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE( 0x0000, 0x07ff ) AM_ROM // Monitor - AM_RANGE( 0x0800, 0x0fff ) AM_ROM // BASIC - AM_RANGE( 0x1000, 0x17ff ) AM_RAM // Video RAM - AM_RANGE( 0x1800, 0xffff ) AM_RAM // RAM -ADDRESS_MAP_END - -ADDRESS_MAP_START(ac1_state::ac1_io) - ADDRESS_MAP_GLOBAL_MASK(0xff) - AM_RANGE(0x04, 0x07) AM_DEVREADWRITE("z80pio", z80pio_device, read, write) -ADDRESS_MAP_END +void ac1_state::ac1_mem(address_map &map) +{ + map.unmap_value_high(); + map(0x0000, 0x07ff).rom(); // Monitor + map(0x0800, 0x0fff).rom(); // BASIC + map(0x1000, 0x17ff).ram(); // Video RAM + map(0x1800, 0x1fff).ram(); // RAM +} + +void ac1_state::ac1_32_mem(address_map &map) +{ + map.unmap_value_high(); + map(0x0000, 0x07ff).rom(); // Monitor + map(0x0800, 0x0fff).rom(); // BASIC + map(0x1000, 0x17ff).ram(); // Video RAM + map(0x1800, 0xffff).ram(); // RAM +} + +void ac1_state::ac1_io(address_map &map) +{ + map.global_mask(0xff); + map(0x04, 0x07).rw("z80pio", FUNC(z80pio_device::read), FUNC(z80pio_device::write)); +} /* Input ports */ static INPUT_PORTS_START( ac1 ) |