TITLE PROG2-2 (EXE) PURPOSE: ADDS 4 WORDS OF DATA
  PAGE 60,132
  .MODEL SMALL
  .STACK 64
  .DATA
  DATA_IN DW 234DH,1DE6H,3BC7H,566AH
  ORG 10H
  SUM DW ?
  .CODE
  MAIN PROC FAR
  MOV AX,@DATA
  MOV DS,AX
  MOV CX,04 
  MOV DI,OFFSET DATA_IN 
  MOV BX,00 
ADD_LP: ADD BX,[DI] 
  INC DI 
  INC DI 
  DEC CX 
  JNZ ADD_LP 
  MOV SI,OFFSET SUM 
  MOV [SI],BX 
  MOV AH,4CH 
  INT 21H 
  MAIN ENDP
  END MAIN