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-rw-r--r--src/mame/drivers/s3.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/s3.cpp b/src/mame/drivers/s3.cpp
index 92a58d4538d..c2f3b4c39d7 100644
--- a/src/mame/drivers/s3.cpp
+++ b/src/mame/drivers/s3.cpp
@@ -411,7 +411,7 @@ void s3_state::dig1_w(uint8_t data)
uint8_t s3_state::switch_r()
{
- char retval = 0xff;
+ uint8_t retval = 0xff;
// scan all 8 input columns, since multiple can be selected at once
for (int i = 0; i < 7; i++)
{