Question

试编写能实现如下功能折程序：数字0至9的ASC||码转换为非压缩的BCD码

汇编语言题 急求！！！各位大侠帮帮忙呀

Answer 1

DATA SEGMENT
ASCII DB '0123456789'
BCD DB 10 DUP(?)
DATA ENDS

CODE SEGMENT
ASSUME CS:CODE,DS:DATA,ES:DATA
START:
MOV AX,DATA
MOV DS,AX
MOV ES,AX
MOV CX,10
CLD
LEA SI,ASCII
LEA DI,BCD
L1:MOV AL,[SI]
AND AL,0FH
STOSB
INC SI
LOOP L1
MOV AX,4C00H
INT 21H
CODE ENDS
END START