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Diffstat (limited to 'src/mame/drivers/grfd2301.cpp')
-rw-r--r--src/mame/drivers/grfd2301.cpp20
1 files changed, 11 insertions, 9 deletions
diff --git a/src/mame/drivers/grfd2301.cpp b/src/mame/drivers/grfd2301.cpp
index fde8a27fb0d..de5c7a8f812 100644
--- a/src/mame/drivers/grfd2301.cpp
+++ b/src/mame/drivers/grfd2301.cpp
@@ -57,15 +57,17 @@ private:
required_region_ptr<u8> m_p_chargen;
};
-ADDRESS_MAP_START(grfd2301_state::mem_map)
- AM_RANGE(0xe000, 0xefff) AM_ROM AM_REGION("maincpu", 0)
- AM_RANGE(0xf000, 0xf7ff) AM_RAM
- AM_RANGE(0xf800, 0xffff) AM_RAM AM_SHARE("videoram")
-ADDRESS_MAP_END
-
-ADDRESS_MAP_START(grfd2301_state::io_map)
- ADDRESS_MAP_GLOBAL_MASK(0xff)
-ADDRESS_MAP_END
+void grfd2301_state::mem_map(address_map &map)
+{
+ map(0xe000, 0xefff).rom().region("maincpu", 0);
+ map(0xf000, 0xf7ff).ram();
+ map(0xf800, 0xffff).ram().share("videoram");
+}
+
+void grfd2301_state::io_map(address_map &map)
+{
+ map.global_mask(0xff);
+}
static INPUT_PORTS_START( grfd2301 )
INPUT_PORTS_END