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-rw-r--r--src/mame/audio/timeplt.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mame/audio/timeplt.c b/src/mame/audio/timeplt.c
index 32d4daa37ca..1fda06b08f8 100644
--- a/src/mame/audio/timeplt.c
+++ b/src/mame/audio/timeplt.c
@@ -55,7 +55,7 @@ ADDRESS_MAP_START( locomotn_sound_writemem, ADDRESS_SPACE_PROGRAM, 8 )
ADDRESS_MAP_END
-struct AY8910interface timeplt_ay8910_interface =
+const struct AY8910interface timeplt_ay8910_interface =
{
soundlatch_r,
timeplt_portB_r
@@ -79,7 +79,7 @@ struct AY8910interface timeplt_ay8910_interface =
/* Bit 7 comes from the QA output of the LS90 producing a sequence of */
/* 0, 0, 0, 0, 0, 1, 1, 1, 1, 1 */
-static int timeplt_timer[10] =
+static const int timeplt_timer[10] =
{
0x00, 0x10, 0x20, 0x30, 0x40, 0x90, 0xa0, 0xb0, 0xa0, 0xd0
};