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-rw-r--r--src/mame/drivers/sun1.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mame/drivers/sun1.cpp b/src/mame/drivers/sun1.cpp
index 5d6a108b95f..25a09fa6969 100644
--- a/src/mame/drivers/sun1.cpp
+++ b/src/mame/drivers/sun1.cpp
@@ -129,6 +129,7 @@ static MACHINE_CONFIG_START( sun1 )
MCFG_Z80SIO_OUT_TXDB_CB(DEVWRITELINE("rs232b", rs232_port_device, write_txd))
MCFG_Z80SIO_OUT_DTRB_CB(DEVWRITELINE("rs232b", rs232_port_device, write_dtr))
MCFG_Z80SIO_OUT_RTSB_CB(DEVWRITELINE("rs232b", rs232_port_device, write_rts))
+ MCFG_Z80SIO_OUT_INT_CB(INPUTLINE("maincpu", M68K_IRQ_5))
MCFG_RS232_PORT_ADD("rs232a", default_rs232_devices, "terminal")
MCFG_RS232_RXD_HANDLER(DEVWRITELINE("iouart", upd7201_new_device, rxa_w))