ascii码-bcd码.asm

来自「数码之间转换,供大家参考,汇编语言的源程序」· 汇编 代码 · 共 23 行

STACK SEGMENT STACK
      DW 256 DUP(?)
STACK ENDS
CODE SEGMENT
       ASSUME CS:CODE
START: ORG 100H
       MOV CX,0005H
       MOV DI,150H
A1:    MOV BL,0FFH
       MOV AL,[DI]
       CMP AL,3AH
       JNB A2
       SUB AL,30H
       JB A2
       MOV BL,AL
A2:    MOV AL,BL
       MOV [DI+0AH],AL
       INC DI
       LOOP A1
       INT 20H
CODE ENDS
END START