.model medium .stack 100h ;setup stack segment ;; add four words .data FOUR_NO DW 12H,0B5H,6CH,78H SUM DW ? .code START: MOV AX, @DATA MOV DS,AX MOV AX, FOUR_NO MOV AX, FOUR_NO+2 MOV AX, FOUR_NO+4 MOV AX, FOUR_NO+6 MOV SUM,AX ;store result in SUM MOV AX,4C00H ;set up return INT 21H ;invoke interrupt END START