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Diffstat (limited to 'src/devices/bus/sg1000_exp/sk1100.cpp')
-rw-r--r--src/devices/bus/sg1000_exp/sk1100.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/devices/bus/sg1000_exp/sk1100.cpp b/src/devices/bus/sg1000_exp/sk1100.cpp
index 89e4338ff28..c3b1c89d981 100644
--- a/src/devices/bus/sg1000_exp/sk1100.cpp
+++ b/src/devices/bus/sg1000_exp/sk1100.cpp
@@ -157,9 +157,9 @@ ioport_constructor sega_sk1100_device::device_input_ports() const
MACHINE_CONFIG_START(sega_sk1100_device::device_add_mconfig)
/* devices */
MCFG_DEVICE_ADD(UPD9255_0_TAG, I8255, 0)
- MCFG_I8255_IN_PORTA_CB(READ8(sega_sk1100_device, ppi_pa_r))
- MCFG_I8255_IN_PORTB_CB(READ8(sega_sk1100_device, ppi_pb_r))
- MCFG_I8255_OUT_PORTC_CB(WRITE8(sega_sk1100_device, ppi_pc_w))
+ MCFG_I8255_IN_PORTA_CB(READ8(*this, sega_sk1100_device, ppi_pa_r))
+ MCFG_I8255_IN_PORTB_CB(READ8(*this, sega_sk1100_device, ppi_pb_r))
+ MCFG_I8255_OUT_PORTC_CB(WRITE8(*this, sega_sk1100_device, ppi_pc_w))
// MCFG_PRINTER_ADD("sp400") /* serial printer */