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-rw-r--r--src/mess/drivers/c64.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mess/drivers/c64.c b/src/mess/drivers/c64.c
index bc1ced55e25..e799933a15d 100644
--- a/src/mess/drivers/c64.c
+++ b/src/mess/drivers/c64.c
@@ -1334,8 +1334,8 @@ static MACHINE_CONFIG_START( pal_gs, c64gs_state )
MCFG_PLS100_ADD(PLA_TAG)
MCFG_MOS6526_ADD(MOS6526_1_TAG, VIC6569_CLOCK, 50, WRITELINE(c64_state, cia1_irq_w))
MCFG_MOS6526_SERIAL_CALLBACKS(DEVWRITELINE(PET_USER_PORT_TAG, pet_user_port_device, write_4), DEVWRITELINE(PET_USER_PORT_TAG, pet_user_port_device, write_5))
- MCFG_MOS6526_PORT_A_CALLBACKS(READ8(c64_state, cia1_pa_r), NULL)
- MCFG_MOS6526_PORT_B_CALLBACKS(READ8(c64_state, cia1_pb_r), WRITE8(c64_state, cia1_pb_w), NULL)
+ MCFG_MOS6526_PORT_A_CALLBACKS(READ8(c64gs_state, cia1_pa_r), NULL)
+ MCFG_MOS6526_PORT_B_CALLBACKS(READ8(c64gs_state, cia1_pb_r), WRITE8(c64gs_state, cia1_pb_w), NULL)
MCFG_MOS6526_ADD(MOS6526_2_TAG, VIC6567_CLOCK, 60, WRITELINE(c64_state, cia2_irq_w))
MCFG_MOS6526_SERIAL_CALLBACKS(DEVWRITELINE(PET_USER_PORT_TAG, pet_user_port_device, write_6), DEVWRITELINE(PET_USER_PORT_TAG, pet_user_port_device, write_7))
MCFG_MOS6526_PORT_A_CALLBACKS(READ8(c64_state, cia2_pa_r), WRITE8(c64_state, cia2_pa_w))