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Diffstat (limited to 'src/mame/drivers/sc2.cpp')
-rw-r--r--src/mame/drivers/sc2.cpp28
1 files changed, 15 insertions, 13 deletions
diff --git a/src/mame/drivers/sc2.cpp b/src/mame/drivers/sc2.cpp
index fb452c6f635..1260e0d0b48 100644
--- a/src/mame/drivers/sc2.cpp
+++ b/src/mame/drivers/sc2.cpp
@@ -60,19 +60,21 @@ READ8_MEMBER( sc2_state::sc2_beep )
return 0xff;
}
-ADDRESS_MAP_START(sc2_state::sc2_mem)
- ADDRESS_MAP_UNMAP_HIGH
- AM_RANGE( 0x0000, 0x0fff ) AM_ROM
- AM_RANGE( 0x1000, 0x13ff ) AM_RAM
- AM_RANGE( 0x2000, 0x33ff ) AM_ROM
- AM_RANGE( 0x3c00, 0x3c00 ) AM_READ(sc2_beep)
-ADDRESS_MAP_END
-
-ADDRESS_MAP_START(sc2_state::sc2_io)
- ADDRESS_MAP_UNMAP_HIGH
- ADDRESS_MAP_GLOBAL_MASK(0xff)
- AM_RANGE(0x00, 0x03) AM_MIRROR(0xfc) AM_DEVREADWRITE("z80pio", z80pio_device, read, write)
-ADDRESS_MAP_END
+void sc2_state::sc2_mem(address_map &map)
+{
+ map.unmap_value_high();
+ map(0x0000, 0x0fff).rom();
+ map(0x1000, 0x13ff).ram();
+ map(0x2000, 0x33ff).rom();
+ map(0x3c00, 0x3c00).r(this, FUNC(sc2_state::sc2_beep));
+}
+
+void sc2_state::sc2_io(address_map &map)
+{
+ map.unmap_value_high();
+ map.global_mask(0xff);
+ map(0x00, 0x03).mirror(0xfc).rw("z80pio", FUNC(z80pio_device::read), FUNC(z80pio_device::write));
+}
/* Input ports */
static INPUT_PORTS_START( sc2 )