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Diffstat (limited to 'src/mess/drivers/babbage.c')
-rw-r--r--src/mess/drivers/babbage.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mess/drivers/babbage.c b/src/mess/drivers/babbage.c
index 2f747339105..dc52aa458dd 100644
--- a/src/mess/drivers/babbage.c
+++ b/src/mess/drivers/babbage.c
@@ -230,7 +230,7 @@ TIMER_DEVICE_CALLBACK_MEMBER(babbage_state::keyboard_callback)
for (i = 0; i < 4; i++)
{
sprintf(kbdrow,"X%X",i);
- inp = machine().root_device().ioport(kbdrow)->read();
+ inp = ioport(kbdrow)->read();
for (j = 0; j < 5; j++)
if (BIT(inp, j))