diff options
Diffstat (limited to 'src/mame/drivers/speedatk.c')
-rw-r--r-- | src/mame/drivers/speedatk.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mame/drivers/speedatk.c b/src/mame/drivers/speedatk.c index 00cd4e80d17..7753a628dcf 100644 --- a/src/mame/drivers/speedatk.c +++ b/src/mame/drivers/speedatk.c @@ -185,8 +185,8 @@ static ADDRESS_MAP_START( speedatk_io, ADDRESS_SPACE_IO, 8 ) ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x00, 0x01) AM_WRITE(speedatk_videoregs_w) // HD46505SP video registers AM_RANGE(0x24, 0x24) AM_WRITE(SMH_NOP) //video timing - AM_RANGE(0x40, 0x40) AM_READ_PORT("DSW") AM_WRITE(ay8910_control_port_0_w) - AM_RANGE(0x41, 0x41) AM_WRITE(ay8910_write_port_0_w) + AM_RANGE(0x40, 0x40) AM_READ_PORT("DSW") /* likely ay8910 input port, not direct */ + AM_RANGE(0x40, 0x41) AM_DEVWRITE(SOUND, "ay", ay8910_address_data_w) /*Used only during attract mode,unknown meaning.*/ AM_RANGE(0x60, 0x60) AM_READWRITE(SMH_NOP,SMH_NOP)//write the result to $62/$65 AM_RANGE(0x61, 0x61) AM_READ(SMH_NOP)//write the result to $66 |