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Diffstat (limited to 'src/emu/machine/ds2401.h')
-rw-r--r--src/emu/machine/ds2401.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/emu/machine/ds2401.h b/src/emu/machine/ds2401.h
index 52241177e0e..6acd33b786e 100644
--- a/src/emu/machine/ds2401.h
+++ b/src/emu/machine/ds2401.h
@@ -11,7 +11,7 @@
#define DS2401_MAXCHIP ( 3 )
-extern void ds2401_init( int which, UINT8 *data );
+extern void ds2401_init( int which, const UINT8 *data );
extern void ds2401_write( int which, int data );
extern int ds2401_read( int which );