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Diffstat (limited to 'src/devices/bus/s100/wunderbus.cpp')
-rw-r--r--src/devices/bus/s100/wunderbus.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/devices/bus/s100/wunderbus.cpp b/src/devices/bus/s100/wunderbus.cpp
index a327bfa3966..490929ec252 100644
--- a/src/devices/bus/s100/wunderbus.cpp
+++ b/src/devices/bus/s100/wunderbus.cpp
@@ -90,7 +90,7 @@ WRITE_LINE_MEMBER( s100_wunderbus_device::rtc_tp_w )
MACHINE_CONFIG_START(s100_wunderbus_device::device_add_mconfig)
MCFG_DEVICE_ADD(I8259A_TAG, PIC8259, 0)
MCFG_PIC8259_OUT_INT_CB(WRITELINE(*this, s100_wunderbus_device, pic_int_w))
- MCFG_PIC8259_IN_SP_CB(VCC)
+ MCFG_PIC8259_IN_SP_CB(CONSTANT(1))
MCFG_DEVICE_ADD(INS8250_1_TAG, INS8250, XTAL(18'432'000)/10)
MCFG_INS8250_OUT_TX_CB(WRITELINE(RS232_A_TAG, rs232_port_device, write_txd))