TITLE PROG3-3 (EXE) CMP EXAMPLE
  PAGE 60,132
  .MODEL SMALL
  .STACK 64
  .DATA
  GRADES DB 69,87,96,45,75
  ORG 0008
  HIGHEST DB ?
  .CODE
  MAIN PROC FAR
  MOV AX,@DATA
  MOV DS,AX
  MOV CX,5 
  MOV BX,OFFSET GRADES 
  SUB AL,AL 
AGAIN: CMP AL,[BX] 
  JA NEXT 
  MOV AL,[BX] 
NEXT: INC BX 
  LOOP AGAIN 
  MOV HIGHEST,AL 
  MOV AH,4CH
  INT 21H 
  MAIN ENDP
  END MAIN