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Diffstat (limited to 'src/emu/machine/z80pio.h')
-rw-r--r--src/emu/machine/z80pio.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/emu/machine/z80pio.h b/src/emu/machine/z80pio.h
index e699ce0de03..adfb54fb735 100644
--- a/src/emu/machine/z80pio.h
+++ b/src/emu/machine/z80pio.h
@@ -33,7 +33,7 @@ typedef struct _z80pio_interface z80pio_interface;
INITIALIZATION/CONFIGURATION
***************************************************************************/
-void z80pio_init(int which, z80pio_interface *intf);
+void z80pio_init(int which, const z80pio_interface *intf);
void z80pio_reset(int which);