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Diffstat (limited to 'src/mame/drivers/tugboat.c')
-rw-r--r--src/mame/drivers/tugboat.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/mame/drivers/tugboat.c b/src/mame/drivers/tugboat.c
index bd54e5be4fc..c43ecc99151 100644
--- a/src/mame/drivers/tugboat.c
+++ b/src/mame/drivers/tugboat.c
@@ -187,8 +187,7 @@ static MACHINE_RESET( tugboat )
static ADDRESS_MAP_START( main_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x01ff) AM_RAM AM_BASE(&tugboat_ram)
- AM_RANGE(0x1060, 0x1060) AM_WRITE(ay8910_control_port_0_w)
- AM_RANGE(0x1061, 0x1061) AM_WRITE(ay8910_write_port_0_w)
+ AM_RANGE(0x1060, 0x1061) AM_DEVWRITE(SOUND, "ay", ay8910_address_data_w)
AM_RANGE(0x10a0, 0x10a1) AM_WRITE(tugboat_hd46505_0_w) /* scrolling is performed changing the start_addr register (0C/0D) */
AM_RANGE(0x10c0, 0x10c1) AM_WRITE(tugboat_hd46505_1_w)
AM_RANGE(0x11e4, 0x11e7) AM_READWRITE(pia_0_r, pia_0_w)