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Diffstat (limited to 'src/mame/drivers/m3.cpp')
-rw-r--r--src/mame/drivers/m3.cpp24
1 files changed, 13 insertions, 11 deletions
diff --git a/src/mame/drivers/m3.cpp b/src/mame/drivers/m3.cpp
index d95f02b0350..f28e27891fa 100644
--- a/src/mame/drivers/m3.cpp
+++ b/src/mame/drivers/m3.cpp
@@ -40,17 +40,19 @@ private:
required_device<palette_device> m_palette;
};
-ADDRESS_MAP_START(m3_state::mem_map)
- AM_RANGE(0x0000, 0xe7ff) AM_RAM
- AM_RANGE(0xe800, 0xefff) AM_RAM AM_SHARE("videoram")
- AM_RANGE(0xf000, 0xffff) AM_ROM AM_REGION("roms", 0)
-ADDRESS_MAP_END
-
-ADDRESS_MAP_START(m3_state::io_map)
- ADDRESS_MAP_GLOBAL_MASK (0xff)
- AM_RANGE(0x84, 0x84) AM_DEVREADWRITE("crtc", mc6845_device, status_r, address_w)
- AM_RANGE(0x85, 0x85) AM_DEVREADWRITE("crtc", mc6845_device, register_r, register_w)
-ADDRESS_MAP_END
+void m3_state::mem_map(address_map &map)
+{
+ map(0x0000, 0xe7ff).ram();
+ map(0xe800, 0xefff).ram().share("videoram");
+ map(0xf000, 0xffff).rom().region("roms", 0);
+}
+
+void m3_state::io_map(address_map &map)
+{
+ map.global_mask(0xff);
+ map(0x84, 0x84).rw("crtc", FUNC(mc6845_device::status_r), FUNC(mc6845_device::address_w));
+ map(0x85, 0x85).rw("crtc", FUNC(mc6845_device::register_r), FUNC(mc6845_device::register_w));
+}
static INPUT_PORTS_START( m3 )
INPUT_PORTS_END