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-rw-r--r--src/core/arm/interpreter/armsupp.cpp9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/core/arm/interpreter/armsupp.cpp b/src/core/arm/interpreter/armsupp.cpp
index 186b1bd73..8f158e2c8 100644
--- a/src/core/arm/interpreter/armsupp.cpp
+++ b/src/core/arm/interpreter/armsupp.cpp
@@ -392,6 +392,15 @@ ARMul_NthReg (ARMword instr, unsigned number)
return (bit - 1);
}
+/* Unsigned sum of absolute difference */
+u8 ARMul_UnsignedAbsoluteDifference(u8 left, u8 right)
+{
+ if (left > right)
+ return left - right;
+
+ return right - left;
+}
+
/* Assigns the N and Z flags depending on the value of result. */
void