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Diffstat (limited to 'src/mame/video/abc1600.cpp')
-rw-r--r--src/mame/video/abc1600.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mame/video/abc1600.cpp b/src/mame/video/abc1600.cpp
index c3b598f8035..c8cd30fd5f5 100644
--- a/src/mame/video/abc1600.cpp
+++ b/src/mame/video/abc1600.cpp
@@ -69,6 +69,7 @@ DEVICE_ADDRESS_MAP_START( iowr0_map, 8, abc1600_mover_device )
ADDRESS_MAP_END
DEVICE_ADDRESS_MAP_START( iowr1_map, 8, abc1600_mover_device )
+ AM_RANGE(0x00, 0x00) AM_MIRROR(0xff) AM_READNOP
AM_RANGE(0x00, 0x00) AM_MIRROR(0xf8) AM_WRITE(ldfx_hb_w)
AM_RANGE(0x01, 0x01) AM_MIRROR(0xf8) AM_WRITE(ldfx_lb_w)
AM_RANGE(0x02, 0x02) AM_MIRROR(0xf8) AM_WRITE(ldfy_hb_w)
@@ -78,6 +79,7 @@ DEVICE_ADDRESS_MAP_START( iowr1_map, 8, abc1600_mover_device )
ADDRESS_MAP_END
DEVICE_ADDRESS_MAP_START( iowr2_map, 8, abc1600_mover_device )
+ AM_RANGE(0x00, 0x00) AM_MIRROR(0xff) AM_READNOP
AM_RANGE(0x00, 0x00) AM_MIRROR(0xf8) AM_WRITE(wrmask_strobe_hb_w)
AM_RANGE(0x01, 0x01) AM_MIRROR(0xf8) AM_WRITE(wrmask_strobe_lb_w)
AM_RANGE(0x02, 0x02) AM_MIRROR(0xf8) AM_WRITE(enable_clocks_w)