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-rw-r--r--engines/tinsel/adpcm.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/engines/tinsel/adpcm.cpp b/engines/tinsel/adpcm.cpp
index ec51d150dc..9f951e806a 100644
--- a/engines/tinsel/adpcm.cpp
+++ b/engines/tinsel/adpcm.cpp
@@ -44,14 +44,14 @@ void Tinsel_ADPCMStream::readBufferTinselHeader() {
// Negate
start = ~(start | 0xC0) + 1;
- _status.predictor = 1 << start;
+ _status.predictor = (unsigned long long int)1 << start;
} else {
// Lower 6 bit are positive
// Truncate
start &= 0x1F;
- _status.predictor = ((double) 1.0) / (1 << start);
+ _status.predictor = ((double) 1.0) / ((unsigned long long int)1 << start);
}
_status.K0 = TinselFilterTable[filterVal][0];