diff options
Diffstat (limited to 'src/mame/drivers/4004clk.cpp')
-rw-r--r-- | src/mame/drivers/4004clk.cpp | 53 |
1 files changed, 29 insertions, 24 deletions
diff --git a/src/mame/drivers/4004clk.cpp b/src/mame/drivers/4004clk.cpp index d187741c3d2..b1385e2474f 100644 --- a/src/mame/drivers/4004clk.cpp +++ b/src/mame/drivers/4004clk.cpp @@ -82,30 +82,35 @@ WRITE8_MEMBER(nixieclock_state::neon_w) m_neon_out[3] = BIT(data,0); } -ADDRESS_MAP_START(nixieclock_state::_4004clk_rom) - AM_RANGE(0x0000, 0x0fff) AM_ROM AM_REGION("maincpu", 0) -ADDRESS_MAP_END - -ADDRESS_MAP_START(nixieclock_state::_4004clk_mem) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE(0x0000, 0x007f) AM_RAM -ADDRESS_MAP_END - -ADDRESS_MAP_START(nixieclock_state::_4004clk_stat) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE(0x0000, 0x001f) AM_RAM -ADDRESS_MAP_END - -ADDRESS_MAP_START(nixieclock_state::_4004clk_rp) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE(0x0000, 0x000f) AM_MIRROR(0x0700) AM_READ_PORT("INPUT") - AM_RANGE(0x0000, 0x00ef) AM_MIRROR(0x0700) AM_WRITE(nixie_w) - AM_RANGE(0x00f0, 0x00ff) AM_MIRROR(0x0700) AM_WRITE(neon_w) -ADDRESS_MAP_END - -ADDRESS_MAP_START(nixieclock_state::_4004clk_mp) - AM_RANGE(0x00, 0x00) AM_DEVWRITE("dac", dac_bit_interface, write) -ADDRESS_MAP_END +void nixieclock_state::_4004clk_rom(address_map &map) +{ + map(0x0000, 0x0fff).rom().region("maincpu", 0); +} + +void nixieclock_state::_4004clk_mem(address_map &map) +{ + map.unmap_value_high(); + map(0x0000, 0x007f).ram(); +} + +void nixieclock_state::_4004clk_stat(address_map &map) +{ + map.unmap_value_high(); + map(0x0000, 0x001f).ram(); +} + +void nixieclock_state::_4004clk_rp(address_map &map) +{ + map.unmap_value_high(); + map(0x0000, 0x000f).mirror(0x0700).portr("INPUT"); + map(0x0000, 0x00ef).mirror(0x0700).w(this, FUNC(nixieclock_state::nixie_w)); + map(0x00f0, 0x00ff).mirror(0x0700).w(this, FUNC(nixieclock_state::neon_w)); +} + +void nixieclock_state::_4004clk_mp(address_map &map) +{ + map(0x00, 0x00).w("dac", FUNC(dac_bit_interface::write)); +} /* Input ports */ static INPUT_PORTS_START( 4004clk ) |