3.asm

1. 设计要求： 1．彩色界面

;FILENAME:3.ASM
.486
        DATA  SEGMENT   USE16
       MESG1  DB        'THE NUMBER OF NEGATIVE IS:','?',0DH,0AH,'$'
       MESG2  DB        'MAX=',?,?,'$'
         BUF  DB        1,2,3,4,5,96,-1,-2,-3,-5,-6,-7,-8,-5,-89
        DATA  ENDS
        CODE  SEGMENT   USE16
              ASSUME    CS:CODE,DS:DATA
        BEG:  MOV       AX,DATA
              MOV       DS,AX
              MOV       BX,OFFSET BUF
              CALL      SEARCHNEG_DISP
              MOV       AH,4CH
              INT       21H
          SEARCHNEG_DISP  PROC
              MOV       CX,15
              MOV       DL,-256
              MOV       AH,'0'
       LAST:  CMP       [BX],DL
              JLE       NEXT
              MOV       DL,[BX]
       NEXT:  MOV       AL,BYTE PTR [BX]
              ROL       AL,1
              JNC       NEXT2
              ADD       AH,1
      NEXT2:  INC       BX
              LOOP      LAST
              SAL       DX,8
              MOV       BX,OFFSET MESG2+4
              MOV       CX,2
        AGA:  ROL       DX,4
              AND       DL,0FH
              CMP       DL,9
              JNA       NEXT3
              ADD       DL,7
      NEXT3:
              ADD       DL,30H
              MOV       [BX],DL
              INC       BX
              LOOP      AGA
              MOV       BX,OFFSET MESG1+26
              MOV       BYTE PTR [BX],AH
              MOV       AH,9
              MOV       DX,OFFSET MESG1
              INT       21H
              MOV       DL,AH
              MOV       AH,2
              INT       21H
              MOV       AH,9
              MOV       DX,OFFSET MESG2
              INT       21H
              MOV       AH,2
              MOV       DL,'H'
              INT       21H
              RET
          SEARCHNEG_DISP  ENDP
        CODE  ENDS
              END       BEG