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-rw-r--r--src/mame/drivers/homedata.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mame/drivers/homedata.cpp b/src/mame/drivers/homedata.cpp
index 7f9e15ea41d..c63999ecb61 100644
--- a/src/mame/drivers/homedata.cpp
+++ b/src/mame/drivers/homedata.cpp
@@ -551,8 +551,10 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START( mrokumei_sound_map, AS_PROGRAM, 8, homedata_state )
AM_RANGE(0x0000, 0x7fff) AM_ROM
+ // TODO: might be that the entire area is sound_bank_w
AM_RANGE(0xfffc, 0xfffd) AM_WRITENOP /* stack writes happen here, but there's no RAM */
AM_RANGE(0x8080, 0x8080) AM_WRITE(mrokumei_sound_bank_w)
+ AM_RANGE(0xffbf, 0xffbf) AM_WRITE(mrokumei_sound_bank_w) // hourouki mirror
ADDRESS_MAP_END
static ADDRESS_MAP_START( mrokumei_sound_io_map, AS_IO, 8, homedata_state )