在1000H为首地址的连续20个字节单元中存放了20个有符号数据，找出最大的数并存入2000H单元。

DATA SEGMENT
    ORG 1000H
    TABLE DB 77,88,-87,90,91,92,76,-86,65,93,77,-88,100,90,91,92,76,86,65,93
DATA ENDS
CODE SEGMENT
    ASSUME CS:CODE,DS:DATA
START:MOV AX,DATA
      MOV DS,AX
      MOV BX,OFFSET TABLE
      MOV AL,[BX]
      MOV CX,19
AGAIN:INC BX
      CMP AL,[BX]
      JGE NEXT
      MOV AL,[BX]
 NEXT:DEC CX
      JNZ AGAIN
      MOV BX,2000H
      MOV [BX],AL
      MOV AH,4CH
      INT 21H
CODE ENDS
    END START