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path: root/src/mame/drivers/4004clk.cpp
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Diffstat (limited to 'src/mame/drivers/4004clk.cpp')
-rw-r--r--src/mame/drivers/4004clk.cpp53
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 )