十六进制.asm

转换ASCII码为二进制

;2．	编程序任意输入一个ASC码字符，以十六进制形式输出其值
DATA SEGMENT
   TABLE  DB  30H,31H,32H,33H,34H,35H,36H,37H,38H,39H
          DB  41H,42H,43H,44H,45H,46H 
DATA ENDS
CODE SEGMENT
   ASSUME CS:CODE,DS:DATA
 START:MOV AX,DATA
       MOV DS,AX
       MOV AH,01H
       INT 21H
       MOV BL,AL
       ;---------------输出回车------------
       MOV AH,02H
       MOV DL,0DH
       INT 21H
       MOV DL,0AH
       INT 21H
       ;--------------------------
       MOV AH,0
       MOV AL,BL
       PUSH AX
       MOV CL,4
       ROL AL,CL
       MOV BX,OFFSET TABLE
       AND AL,0FH
       XLAT TABLE
       MOV DL,AL
       MOV AH,02H
       INT 21H
       POP AX
       AND AL,0FH
       XLAT TABLE
       MOV DL,AL
       MOV AH,02H
       INT 21H
       ;---------------------------
       MOV DL,'H'
       INT 21H
       MOV AH,4CH
       INT 21H
CODE ENDS
    END START