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Diffstat (limited to 'src/mame/drivers/bbusters.c')
-rw-r--r--src/mame/drivers/bbusters.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mame/drivers/bbusters.c b/src/mame/drivers/bbusters.c
index c3b526a4dbe..957d890b1bb 100644
--- a/src/mame/drivers/bbusters.c
+++ b/src/mame/drivers/bbusters.c
@@ -642,13 +642,13 @@ static void sound_irq( int irq )
cpunum_set_input_line(1,0,irq ? ASSERT_LINE : CLEAR_LINE);
}
-static struct YM2608interface ym2608_interface =
+static const struct YM2608interface ym2608_interface =
{
0,0,0,0,sound_irq,
REGION_SOUND1
};
-static struct YM2610interface ym2610_interface =
+static const struct YM2610interface ym2610_interface =
{
sound_irq,
REGION_SOUND2,