AnsichtenInhaltsverzeichnis Mathe: Bit und Boolsche Operationen
Boolsche Operationen
;=== NOT, Bit-wise complement, Invertierung ;=== Not = Val1 NOT Val2 MOV EAX, Val1 ; EAX = Val1 NOT EAX ; EAX = not EAX ;=== AND, Conjunction ;=== And = Val1 AND Val2 MOV EBX, Val2 ; EBX = Val2 MOV EAX, Val1 ; EAX = Val1 ADD EAX, EBX ; EAX = EAX and EBX ;=== OR, Disjunction (inclusive "or") ;=== Or = Val1 OR Val2 MOV EBX, Val2 ; EBX = Val2 MOV EAX, Val1 ; EAX = Val1 OR EAX, EBX ; EAX = EAX or EBX ;=== XOR, Exclusive "or" ;=== Xor = Val1 XOR Val2 MOV EBX, Val2 ; EBX = Val2 MOV EAX, Val1 ; EAX = Val1 XOR EAX, EBX ; EAX = EAX xor EBX
;=== EQV, Equivalence ;=== Eqv = Val1 XOR Val2 MOV EBX, Val2 ; EBX = Val2 MOV EAX, Val1 ; EAX = Val1 TEST EAX, EBX ; EAX = EAX eqv EBX ;=== IMP, Implication ;=== Imp = Val1 IMP Val2 MOV EBX, Val2 ; EBX = Val2 MOV EAX, Val1 ; EAX = Val1 NOT EAX ; EAX = not EAX OR EAX, EBX ; EAX = EAX or EBX Bit Operationen;=== BitTest ;=== BitTest = Val1 IMP Val2(Test) ; MOV EBX, Val2 ; EBX = Val2 MOV EAX, Val1 ; EAX = Val1 BT EAX, EBX ; EAX = EAX BitSet EBX |