例228:逻辑运算 mova1,45h;逻辑与a1=01h and al,3lh;CF=OF=0,SF=0、ZF=0、PF=0 mov al,45h;逻辑或a1=75h or al. 31h CF=0F=0,SF=0、ZF=0、PF=0 mova1,45h;逻辑异或a1=74h xor al,31h;CF=OF=0,SF=0、ZF=0、PF=1 mova1,45h;逻辑非a1=0bah not al ;标志不变 ⊙E例2.28：逻辑运算 mov al,45h ；逻辑与 al=01h and al,31h ；CF=OF=0，SF=0、ZF=0、PF=0 mov al,45h ；逻辑或 al=75h or al,31h ；CF=OF=0，SF=0、ZF=0、PF=0 mov al,45h ；逻辑异或 al=74h xor al,31h ；CF=OF=0，SF=0、ZF=0、PF=1 mov al,45h ；逻辑非 al=0bah not al ；标志不变