asmpro2.asm

几个汇编小程序 例如字符传换,显示字符串 爱好学汇编者下载一用

DATA          SEGMENT
XX            DB        4
ASCII         DB        ?
DATA          ENDS      

CSEG          SEGMENT   
              ASSUME    CS:CSEG ,DS:DATA
START:                MOV       AX,DATA
                            MOV       DS,AX
                            MOV       AL,XX 
                            AND       AL,0FH
              CMP    AL,9
              JA     LAB1
              ADD    AL,30H
              JMP    LAB2
  LAB1:       ADD   AL,37H
  LAB2:       MOV   ASCII,AL
              MOV   AH,4CH
              INT       21H
CSEG          ENDS      
              END       START