summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/midzeus.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/drivers/midzeus.c')
-rw-r--r--src/mame/drivers/midzeus.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/src/mame/drivers/midzeus.c b/src/mame/drivers/midzeus.c
index adfdc52aa46..7468267c2dd 100644
--- a/src/mame/drivers/midzeus.c
+++ b/src/mame/drivers/midzeus.c
@@ -1114,19 +1114,15 @@ static MACHINE_CONFIG_DERIVED( mk4, midzeus )
MCFG_MIDWAY_IOASIC_SHUFFLE_DEFAULT(1)
MACHINE_CONFIG_END
-READ8_MEMBER(midzeus_state::PIC16C5X_T0_clk_r)
+READ_LINE_MEMBER(midzeus_state::PIC16C5X_T0_clk_r)
{
return 0;
}
-static ADDRESS_MAP_START( pic_io_map, AS_IO, 8, midzeus_state )
- AM_RANGE(PIC16C5x_T0, PIC16C5x_T0) AM_READ(PIC16C5X_T0_clk_r)
-ADDRESS_MAP_END
-
static MACHINE_CONFIG_DERIVED( invasn, midzeus )
MCFG_CPU_ADD("pic", PIC16C57, 8000000) /* ? */
- MCFG_CPU_IO_MAP(pic_io_map)
+ MCFG_PIC16C5x_T0_CB(READLINE(midzeus_state, PIC16C5X_T0_clk_r))
MCFG_DEVICE_MODIFY("ioasic")
MCFG_MIDWAY_IOASIC_UPPER(468/* or 488 */)