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Diffstat (limited to 'src/devices/machine/mpu401.h')
-rw-r--r--src/devices/machine/mpu401.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/devices/machine/mpu401.h b/src/devices/machine/mpu401.h
index a76cc53dcdd..c84dc3469fc 100644
--- a/src/devices/machine/mpu401.h
+++ b/src/devices/machine/mpu401.h
@@ -15,7 +15,7 @@ class mpu401_device : public device_t
{
public:
// construction/destruction
- mpu401_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
+ mpu401_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock = XTAL());
auto irq_cb() { return write_irq.bind(); }