DATA SEGMENT
A DB 1,2,3,4,5,6,7,8,9,10
SUM DB ?
DATA ENDS
CODE SEGMENT
        ASSUME DS:DATA,CS:CODE
START:
      MOV AX,DATA
      MOV DS,AX
      LEA BX,A
      MOV CL,10
      MOV AX,0000
   L1:ADD AL,BYTE PTR[BX]
      INC BX
      DEC CL
      CMP CL,00
      JNZ L1
      MOV SUM,AL
      MOV BH,10
      DIV BH
      MOV AH,4CH
      INT 21H
CODE ENDS
END START

;OUTPUT:->
;-G CS: 001E
;
;AX=0505  BX=0A0A  CX=0000  DX=0000  SP=0000  BP=0000  SI=0000  DI=0000
;DS=0BA8  ES=0B98  SS=0BA8  CS=0BA9  IP=001E   NV UP EI PL ZR NA PE NC
;0BA9:001E B44C          MOV     AH,4C