@椎名ましろ

             ASSUME    CS:CODE,DS:DATA         ;这绝对不是个正常的自我介绍233
       DATA  SEGMENT 
             DB        "HELLO WORLD"
       DATA  ENDS 

       CODE  SEGMENT 
     START: 
             MOV       AX,0B800H
             MOV       ES,AX 
             MOV       AX,DATA
             MOV       DS,AX
             MOV       BX,0
             MOV       DI,0
             MOV       CX,11 

         S: 
             MOV       AL,[BX]
             MOV       AH,2
             MOV       ES:[DI],AX
             INC       BX          ;bx+1 
             ADD       DI,2        ;di+2 
             LOOP      S
              
             MOV       AH,1 
             INT       21H
             MOV       AX,4C00H 
             INT       21H
       CODE  ENDS 
             END       START

能看懂的盆友们真是厉害