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Diffstat (limited to 'src/mame/drivers/sitcom.cpp')
-rw-r--r--src/mame/drivers/sitcom.cpp41
1 files changed, 22 insertions, 19 deletions
diff --git a/src/mame/drivers/sitcom.cpp b/src/mame/drivers/sitcom.cpp
index 557d3f0402e..4ecd781b6e9 100644
--- a/src/mame/drivers/sitcom.cpp
+++ b/src/mame/drivers/sitcom.cpp
@@ -141,25 +141,28 @@ protected:
};
-ADDRESS_MAP_START(sitcom_state::sitcom_bank)
- ADDRESS_MAP_UNMAP_HIGH
- AM_RANGE(0x0000, 0x07ff) AM_ROM AM_REGION("bootstrap", 0)
- AM_RANGE(0x8000, 0xffff) AM_RAM AM_SHARE("ram")
-ADDRESS_MAP_END
-
-ADDRESS_MAP_START(sitcom_state::sitcom_mem)
- ADDRESS_MAP_UNMAP_HIGH
- AM_RANGE(0x0000, 0x7fff) AM_DEVICE("bank", address_map_bank_device, amap8)
- AM_RANGE(0x8000, 0xffff) AM_RAM AM_SHARE("ram")
-ADDRESS_MAP_END
-
-ADDRESS_MAP_START(sitcom_state::sitcom_io)
- ADDRESS_MAP_UNMAP_HIGH
- ADDRESS_MAP_GLOBAL_MASK(0xff)
- AM_RANGE(0x00, 0x03) AM_MIRROR(0x1c) AM_DEVREADWRITE("pia", i8255_device, read, write)
- AM_RANGE(0xc0, 0xc3) AM_MIRROR(0x1c) AM_DEVWRITE("ds0", dl1414_device, bus_w)
- AM_RANGE(0xe0, 0xe3) AM_MIRROR(0x1c) AM_DEVWRITE("ds1", dl1414_device, bus_w)
-ADDRESS_MAP_END
+void sitcom_state::sitcom_bank(address_map &map)
+{
+ map.unmap_value_high();
+ map(0x0000, 0x07ff).rom().region("bootstrap", 0);
+ map(0x8000, 0xffff).ram().share("ram");
+}
+
+void sitcom_state::sitcom_mem(address_map &map)
+{
+ map.unmap_value_high();
+ map(0x0000, 0x7fff).m(m_bank, FUNC(address_map_bank_device::amap8));
+ map(0x8000, 0xffff).ram().share("ram");
+}
+
+void sitcom_state::sitcom_io(address_map &map)
+{
+ map.unmap_value_high();
+ map.global_mask(0xff);
+ map(0x00, 0x03).mirror(0x1c).rw("pia", FUNC(i8255_device::read), FUNC(i8255_device::write));
+ map(0xc0, 0xc3).mirror(0x1c).w("ds0", FUNC(dl1414_device::bus_w));
+ map(0xe0, 0xe3).mirror(0x1c).w("ds1", FUNC(dl1414_device::bus_w));
+}
INPUT_PORTS_START( sitcom )