实验二 算术逻辑运算及移位操作 一.实验任务 1 .实验程序段及结果表格如表: 标志位 CF ZF SF OF PF AF 程序段 1: MOV AX, 1018H MOV SI, 230AH ADD AX, SI ADD AL, 30H MOV DX, 3FFH ADD AX,BX MOV [20H], 1000H ADD [20H], AX PUSH AX POP BX 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 程序段 2: MOV AX, 0A0AH ADD AX, 0FFFFH MOV CX, 0FF00H ADC AX, CX SUB AX, AX INC AX OR CX, 0FFH AND CX, 0F0FH MOV [10H], CX 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 1 0 0 0 1 1 1 0 0 0 1 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 程序段 3: MOV BL, 25H MOV BYTE PTR[10H], 4 MOV AL, [10H] MUL BL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 程序段 4: MOV WORD PTR[10H],80H MOV BL, 4 MOV AX, [10H] DIV BL 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 程序段 5: MOV AX, 0 DEC AX ADD AX, 3FFFH ADD AX, AX NOT AX SUB AX, 3 OR AX, 0FBFDH AND AX, 0AFCFH SHL AX,1 RCL AX,1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 1 0 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 1 1 0 0 1 0 1 0 0 0 1 0 0 0 0 0 1 0 0 0 1 0 0 1 1 0 0 0 0 1 1 0 分析: 程序段1: MOV AX, 1018H ;AX1018H MOV SI, 230AH ; SI230AH ADD AX, SI ;AX=3322H,低8 位为 00100010B,1 的个数 ;为偶数,PF=1,同时 D3 向 D4 有进位发生,AF=1 ADD AL, 30H ;AX=3352H,低8 位1 个个数为奇数,PF=0 MOV DX, 3FFH ;DX3FFH ADD AX,BX ;AX=3352H, MOV [20H], 1000H ;[20H]1000H ADD [20H], AX ;[20H]=4352H PUSH AX ; POP BX ;BX=3352H 程序段2: MOV AX, 0A0AH ;AX0A0AH ADD AX, 0FFFFH ;AX=0A09H,最高位进位CF=1,低8 位1 的 ;个数...