summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/galaga.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/drivers/galaga.c')
-rw-r--r--src/mame/drivers/galaga.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/mame/drivers/galaga.c b/src/mame/drivers/galaga.c
index 0149929aaba..9154f4f3853 100644
--- a/src/mame/drivers/galaga.c
+++ b/src/mame/drivers/galaga.c
@@ -795,12 +795,12 @@ static WRITE8_HANDLER( out_1 )
coin_lockout_global_w(data & 1);
}
-static struct namcoio_interface intf0 =
+static const struct namcoio_interface intf0 =
{
{ in0_l, in0_h, in1_l, in1_h }, /* port read handlers */
{ out_0, out_1 } /* port write handlers */
};
-static struct namcoio_interface intf1 =
+static const struct namcoio_interface intf1 =
{
{ dipA_l, dipA_h, dipB_l, dipB_h }, /* port read handlers */
{ NULL, NULL } /* port write handlers */
@@ -1578,7 +1578,7 @@ GFXDECODE_END
/* The resistance path of the namco sound is 16k compared to
* the 10k of the highest gain 54xx filter. Giving a 10/16 gain.
*/
-static struct namco_interface namco_interface =
+static const struct namco_interface namco_interface =
{
3, /* number of voices */
REGION_SOUND1 /* memory region */
@@ -1588,7 +1588,7 @@ static struct namco_interface namco_interface =
* the signal is 1V, or 25%. The relative volume between
* 52xx & 54xx is the same.
*/
-static struct namco_52xx_interface namco_52xx_interface =
+static const struct namco_52xx_interface namco_52xx_interface =
{
REGION_SOUND2, /* memory region */
4000, /* Playback frequency - from 555 timer 6M */