若(AL)=0C6H,(CL)=03H,执行指令SARAL,CL后,AL的内容为()。
A.18H
B.28H
C.48H
D.0F8H
A.18H
B.28H
C.48H
D.0F8H
第1题
A.0FOABH; 1; 0
B.0F0A9H; 1; 3
C.0F0A9H; 0; 1
D.OF0ABH; 1; 3
第7题
A.60H
B.00H
C.04H
D.0A0H
第9题
30H, 32H COUNT EQU ($-ASCBUF)/2 ;$为当前地址指针 BCDBUF DB COUNT DUP() DATA ENDS CODE SEGMENT ASSUME CS: CODE, DS:DATA, ES:DATA START: MOV AX, DATA MOV DS, AX MOV ES, AX ;设置附加段与数据段完全重叠 CLD MOV SI, OFFSET ASCBUF MOV DI, OFFSET BCDBUF MOV CX, COUNT AA: LODSB AND AL, 0FH MOV BL, AL LODSB PUSH CX MOV CL, 4 SHL AL, CL POP CX OR AL, BL STOSB LOOP AA MOV AH, 4CH INT 21H CODE ENDS END START