diff options
Diffstat (limited to 'src/mame/drivers/cchance.c')
-rw-r--r-- | src/mame/drivers/cchance.c | 22 |
1 files changed, 6 insertions, 16 deletions
diff --git a/src/mame/drivers/cchance.c b/src/mame/drivers/cchance.c index 2f82d208e70..7fa443c2477 100644 --- a/src/mame/drivers/cchance.c +++ b/src/mame/drivers/cchance.c @@ -74,8 +74,8 @@ static ADDRESS_MAP_START( main_map, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0xf000, 0xf000) AM_READNOP AM_WRITENOP //??? AM_RANGE(0xf001, 0xf001) AM_READ(input_1_r) AM_WRITE(output_0_w) AM_RANGE(0xf002, 0xf002) AM_READ_PORT("IN0") AM_WRITE(output_1_w) - AM_RANGE(0xf800, 0xf800) AM_WRITE(ay8910_control_port_0_w) - AM_RANGE(0xf801, 0xf801) AM_READWRITE(ay8910_read_port_0_r, ay8910_write_port_0_w) + AM_RANGE(0xf800, 0xf801) AM_DEVWRITE(SOUND, "ay", ay8910_address_data_w) + AM_RANGE(0xf801, 0xf801) AM_DEVREAD(SOUND, "ay", ay8910_r) ADDRESS_MAP_END @@ -169,24 +169,14 @@ static GFXDECODE_START( cchance ) GFXDECODE_ENTRY( "gfx1", 0, cchance_layout, 0x0, 32 ) GFXDECODE_END -static READ8_HANDLER( dsw1_r ) -{ - return input_port_read(space->machine, "DSW1"); -} - -static READ8_HANDLER( dsw2_r ) -{ - return input_port_read(space->machine, "DSW2"); -} - static const ay8910_interface ay8910_config = { AY8910_LEGACY_OUTPUT, AY8910_DEFAULT_LOADS, - dsw1_r, - dsw2_r, - NULL, - NULL + DEVCB_INPUT_PORT("DSW1"), + DEVCB_INPUT_PORT("DSW2"), + DEVCB_NULL, + DEVCB_NULL }; static MACHINE_DRIVER_START( cchance ) |