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Diffstat (limited to 'src/mess/drivers/x1twin.c')
-rw-r--r--src/mess/drivers/x1twin.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/src/mess/drivers/x1twin.c b/src/mess/drivers/x1twin.c
index 1db950ac904..35e62a8bca9 100644
--- a/src/mess/drivers/x1twin.c
+++ b/src/mess/drivers/x1twin.c
@@ -429,12 +429,12 @@ static Z80CTC_INTERFACE( ctc_intf )
#if 0
static const z80sio_interface sio_intf =
{
- 0, /* interrupt handler */
- 0, /* DTR changed handler */
- 0, /* RTS changed handler */
- 0, /* BREAK changed handler */
- 0, /* transmit handler */
- 0 /* receive handler */
+ DEVCB_NULL, /* interrupt handler */
+ DEVCB_NULL, /* DTR changed handler */
+ DEVCB_NULL, /* RTS changed handler */
+ DEVCB_NULL, /* BREAK changed handler */
+ DEVCB_NULL, /* transmit handler */
+ DEVCB_NULL /* receive handler */
};
#endif