Instruction Condition Mnemonic Meaning Subcode Tested O Overflow 0000 OF = 1 NO No overflow 0001 OF = 0 B Below NAE Neither above nor equal 0010 CF = 1 NB Not below AE Above or equal 0011 CF = 0 E Equal Z Zero 0100 ZF = 1 NE Not equal NZ Not zero 0101 ZF = 0 BE Below or equal NA Not above 0110 (CF or ZF) = 1 NBE Neither below nor equal NA Above 0111 (CF or ZF) = 0 S Sign 1000 SF = 1 NS No sign 1001 SF = 0 P Parity PE Parity even 1010 PF = 1 NP No parity PO Parity odd 1011 PF = 0 L Less NGE Neither greater nor equal 1100 (SF xor OF) = 1 NL Not less GE Greater or equal 1101 (SF xor OF) = 0 LE Less or equal NG Not greater 1110 ((SF xor OF) or ZF) = 1 NLE Neither less nor equal G Greater 1111 ((SF xor OF) or ZF) = 0
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Appendices
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Appendix C -- Status Flag Summary