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-rw-r--r--src/mame/drivers/vt220.cpp38
1 files changed, 21 insertions, 17 deletions
diff --git a/src/mame/drivers/vt220.cpp b/src/mame/drivers/vt220.cpp
index b45b2ead7ea..1e8475e69cf 100644
--- a/src/mame/drivers/vt220.cpp
+++ b/src/mame/drivers/vt220.cpp
@@ -62,23 +62,27 @@ public:
};
-ADDRESS_MAP_START(vt220_state::vt220_mem)
- AM_RANGE(0x0000, 0x7fff) AM_ROM AM_REGION("maincpu", 0)
-ADDRESS_MAP_END
-
-ADDRESS_MAP_START(vt220_state::vt220a_mem)
- AM_RANGE(0x0000, 0xffff) AM_ROM AM_REGION("maincpu", 0)
-ADDRESS_MAP_END
-
-ADDRESS_MAP_START(vt220_state::vt220_io)
- ADDRESS_MAP_UNMAP_HIGH
- AM_RANGE(0x2000, 0x2fff) AM_MIRROR(0xc000) AM_RAM
- AM_RANGE(0x3800, 0x380f) AM_MIRROR(0xc7f0) AM_DEVREADWRITE("duart", scn2681_device, read, write)
-ADDRESS_MAP_END
-
-ADDRESS_MAP_START(vt220_state::vt220a_io)
- ADDRESS_MAP_UNMAP_HIGH
-ADDRESS_MAP_END
+void vt220_state::vt220_mem(address_map &map)
+{
+ map(0x0000, 0x7fff).rom().region("maincpu", 0);
+}
+
+void vt220_state::vt220a_mem(address_map &map)
+{
+ map(0x0000, 0xffff).rom().region("maincpu", 0);
+}
+
+void vt220_state::vt220_io(address_map &map)
+{
+ map.unmap_value_high();
+ map(0x2000, 0x2fff).mirror(0xc000).ram();
+ map(0x3800, 0x380f).mirror(0xc7f0).rw("duart", FUNC(scn2681_device::read), FUNC(scn2681_device::write));
+}
+
+void vt220_state::vt220a_io(address_map &map)
+{
+ map.unmap_value_high();
+}
/* Input ports */
static INPUT_PORTS_START( vt220 )