执行以下程序后，BCDBUF+1字节单元的内容是()H 。 DATA SEGMENT ASCBUF DB 39H, 38H, 35H, 37H,

执行以下程序后，BCDBUF+1字节单元的内容是（)H 。 DATA SEGMENT ASCBUF DB 39H, 38H, 35H, 37H,

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