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-rw-r--r--src/ARM_InstrInfo.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/ARM_InstrInfo.cpp b/src/ARM_InstrInfo.cpp
index ea6d827..3634c35 100644
--- a/src/ARM_InstrInfo.cpp
+++ b/src/ARM_InstrInfo.cpp
@@ -436,7 +436,7 @@ Info Decode(bool thumb, u32 num, u32 instr)
if ((instr >> 28) < 0xE)
{
// make non conditional flag sets conditional
- res.WriteFlags = res.WriteFlags | (res.WriteFlags << 4);
+ res.WriteFlags = (res.WriteFlags | (res.WriteFlags << 4)) & 0xF0;
res.ReadFlags |= FlagsReadPerCond[instr >> 29];
}