Flags Name Description Formats O S Z A P C Logical Shift to Right R/M,I C SHR R/M, CL Logical Shift to Left R/M,I C SHL R/M, CL Set Carry 1 STC Set Direction Flag STD Btye STOSB Word STOSW Store Dword STOSD Subtract O2 C C C C C SUB C Logical Compare R/M,R 0 C C C 0 TEST ? R/M,I Exchange R/M,R XCHG R,R/M Bitwise XOR O2 0 C C C 0 XOR ?
Name Description Formats Flags O S Z A P C SHR Logical Shift to Right R/M,I C ? ? C R/M, CL SHL Logical Shift to Left R/M,I C R/M, CL STC Set Carry 1 STD Set Direction Flag STOSB Btye STOSW Word STOSD Store Dword SUB Subtract O2 C C C C C TEST Logical Compare R/M,R 0 C C C 0 R/M,I XCHG Exchange R/M,R R,R/M XOR Bitwise XOR O2 0 C C C 0
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