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Diffstat (limited to 'src/mame/drivers/trvquest.c')
-rw-r--r--src/mame/drivers/trvquest.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mame/drivers/trvquest.c b/src/mame/drivers/trvquest.c
index fe081f869ca..9478d87d26b 100644
--- a/src/mame/drivers/trvquest.c
+++ b/src/mame/drivers/trvquest.c
@@ -224,7 +224,7 @@ static void via_irq(int state)
}
-static struct via6522_interface via_0_interface =
+static const struct via6522_interface via_0_interface =
{
/*inputs : A/B */ input_port_0_r, input_port_1_r,
/*inputs : CA/B1,CA/B2 */ NULL, NULL, NULL, NULL,
@@ -233,7 +233,7 @@ static struct via6522_interface via_0_interface =
/*irq */ NULL
};
-static struct via6522_interface via_1_interface =
+static const struct via6522_interface via_1_interface =
{
/*inputs : A/B */ input_port_2_r, input_port_3_r,
/*inputs : CA/B1,CA/B2 */ NULL, NULL, NULL, NULL,
@@ -242,7 +242,7 @@ static struct via6522_interface via_1_interface =
/*irq */ via_irq
};
-static struct via6522_interface via_2_interface =
+static const struct via6522_interface via_2_interface =
{
/*inputs : A/B */ NULL, trvquest_vblank_r,
/*inputs : CA/B1,CA/B2 */ NULL, NULL, NULL, NULL,