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Diffstat (limited to 'src/devices/machine/upd4992.h')
-rw-r--r--src/devices/machine/upd4992.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/devices/machine/upd4992.h b/src/devices/machine/upd4992.h
index ad757948673..6e023bd118d 100644
--- a/src/devices/machine/upd4992.h
+++ b/src/devices/machine/upd4992.h
@@ -31,7 +31,7 @@ class upd4992_device : public device_t, public device_rtc_interface
{
public:
// construction/destruction
- upd4992_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+ upd4992_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 32'768);
// I/O operations
DECLARE_WRITE8_MEMBER( write );