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¡¢ÊµÑé´úÂ룺 DATA SEGMENT

SZ DB 80H,03H,5AH,0FFH,97H,64H,0BBH,7FH,0FH,0D8H;´æ½øÊý×é SHOW DB 'THE MAX IS: ','$' DATA ENDS CODE SEGMENT

ASSUME CS:CODE,DS:DATA

START:

MOV AX,DATA ;°ÑÊý¾ÝµÄ»ùµØÖ·¸³¸øDS MOV DS,AX

MOV DX,OFFSET SHOW ;µ÷ÓÃDOSÏÔʾ×Ö·û´® MOV AH,09H

INT 21H

MOV SI ,OFFSET SZ ;Êý×éµÄÆ«ÒÆµØÖ·¸³¸øSI MOV CX,10 ;´æ½øÊý×éµÄ³¤¶È¸øCX MOV DH,80H ;½«Êý×éµÄµÚÒ»¸öÊýд½øDH NEXT:

MOV BL,[SI] ;½«Êý×éµÄµÚÒ»¸öÊýд½øBL CMP DH,BL ;±È½ÏDHºÍBLÖÐÊýµÄµ½Ð£ JAE NEXT1 ;Èç¹ûDHÖеÄÊý´óÓÚBLÖУ¬½«Ìø×ªµ½NEXT1 MOV DH,BL ;Èç¹ûDHÖеÄÊýСÓÚBLÖУ¬½«BLÖеÄÊý¸³¸øDH NEXT1:

INC SI ;Æ«ÒÆµØÖ·¼Ó1

LOOP NEXT;Ñ­»·£¬CX×Ô¼õÒ»Ö±µ½0£¬DHÖдæÊý×éµÄ×î´óÖµ ;½ÓÏÂÀ´µÄ³ÌÐòÊǽ«½«×î´óÖµDHÔÚÆÁÄ»ÉÏÏÔʾÊä³ö MOV BX,02H NEXT2:

MOV CL,4

ROL DH,CL ;½«DHÑ­»·ÓÒÒÆËÄλ MOV AL,DH

AND AL,0FH ;½«AL¸ßλÇåÁ㣬һλһλ½øÐÐASCIIÂëת»» CMP AL,09H ;Óë09H±È½Ï´óС

JBE NEXT3 ;ÈôСÓÚ£¬Ìø×ªÖÁNEXT3£¬Ö¤Ã÷ÊýÖµÔÚ0-9Ö®¼ä

ADD AL,07H ;Èô´óÓÚ£¬ÔòÖ¤Ã÷Ϊ×Öĸ£¬ÒòΪ×ÖĸÓëÊý×ÖµÄASCIIÂëÏà²î7£¬ËùÒÔÒª¼ÓÉÏ7

NEXT3:

ADD AL,30H ;ÒòΪת»»ÎªASCIIÂëÒª¼Ó30H MOV DL,AL

MOV AH,2 ;DOSÖжÏÏÔʾ INT 21H DEC BX

JNZ NEXT2 MOV DL,'H' MOV AH,2 INT 21H CODE ENDS

END START ʵÑé½á¹û£º

¡¢ÊµÑé´úÂë DATA SEGMENT

SZ DB 80H,03H,5AH,0FFH,97H,64H,0BBH,7FH,0FH,0D8H ;´æ½øÊý×é SHOW DB 'THE MAX IS: ','$' DATA ENDS CODE SEGMENT

ASSUME CS:CODE,DS:DATA START:

MOV AX,DATA ;°ÑÊý¾ÝµÄ»ùµØÖ·¸³¸øDS MOV DS,AX

MOV DX,OFFSET SHOW ;µ÷ÓÃDOSÏÔʾ×Ö·û´® MOV AH,09H

INT 21H

MOV SI ,OFFSET SZ ;Êý×éµÄÆ«ÒÆµØÖ·¸³¸øSI MOV CX,10 ;´æ½øÊý×éµÄ³¤¶È¸øCX MOV DH,80H ;½«Êý×éµÄµÚÒ»¸öÊýд½øDH NEXT:

MOV BL,[SI] ;½«Êý×éµÄµÚÒ»¸öÊýд½øBL CMP DH,BL ;±È½ÏDHºÍBLÖÐÊýµÄµ½Ð£

JGE NEXT1 ;Èç¹ûDHÖеÄÊý´óÓÚBLÖУ¬½«Ìø×ªµ½NEXT1

;´ËΪÎÞ·ûºÅÊýÓëÓзûºÅÊýµÄΨһ²î±ð£¬JGEÊÇÎÞ·ûºÅÊýµÄÌø×ª MOV DH,BL ;Èç¹ûDHÖеÄÊýСÓÚBLÖУ¬½«BLÖеÄÊý¸³¸øDH NEXT1:

INC SI ;Æ«ÒÆµØÖ·¼Ó1

LOOP NEXT ;Ñ­»·£¬CX¼õ1,Ò»Ö±µ½CX¼õΪ0£¬DHÖдæÊý×éµÄ×î´óÖµ ;½ÓÏÂÀ´µÄ³ÌÐòÊǽ«×î´óÖµDHÔÚÆÁÄ»ÉÏÏÔʾÊä³ö MOV BX,02H NEXT2:

MOV CL,4

ROL DH,CL ;½«DHÑ­»·ÓÒÒÆËÄλ MOV AL,DH

AND AL,0FH ;½«AL¸ßλÇåÁ㣬һλһλ½øÐÐASCIIÂëת»» CMP AL,09H ;Óë09H±È½Ï´óС

JBE NEXT3 ;ÈôСÓÚ£¬Ìø×ªÖÁNEXT3£¬Ö¤Ã÷ÊýÖµÔÚ0-9Ö®¼ä

ADD AL,07H;Èô´óÓÚ£¬ÔòÖ¤Ã÷Ϊ×Öĸ£¬ÒòΪ×ÖĸÓëÊý×ÖµÄASCIIÂëÏà²î7£¬ËùÒÔÒª¼ÓÉÏ7

NEXT3:

ADD AL,30H ;ÒòΪת»»ÎªASCIIÂëÒª¼Ó30H MOV DL,AL

MOV AH,2 ;DOSÖжÏÏÔʾ INT 21H DEC BX

JNZ NEXT2 MOV DL,'H' MOV AH,2 INT 21H CODE ENDS

END START ʵÑé½á¹û

2¡¢ÊµÑé´úÂë

DATA SEGMENT

BNUM DW 0500H

DNUM DB 4 DUP()

MES DB 'THE BCD OF '500H' IS: ','$' DATA ENDS CODE SEGMENT

ASSUME CS:CODE,DS:DATA START:

MOV AX,DATA MOV DS,AX

MOV DX,OFFSET MES ; MOV AH,09H

INT 21H MOV AX,BNUM ; LEA BX,DNUM ; MOV DL,0 ;¼ÆËã1000µÄ¸öÊý COUNT1:

SUB AX,03E8H ;AX-1000 JC NEXT1 ; INC DL ;DL+1 JMP COUNT1 ;NEXT1:

ADD AX,03E8H ;AX+1000 MOV [BX],DL ; INC BX ;BX+1 MOV DL,0 ;DL;¼ÆËã100¸öÊý COUNT2:

SUB AX,0064H ;AX-100 JC NEXT2 INC DL JMP COUNT2 NEXT2:

ADD AX,0064H

MOV [BX],DL ; INC BX MOV DL,0 ;¼ÆËã10¸öÊý COUNT3:

SUB AX,000AH ;AX-10 JC NEXT3 INC DL JMP COUNT3 NEXT3:

ADD AX,000AH

MOV [BX],DL ; INC BX MOV [BX],AL ;½«×Ö·û´®Æ«ÒÆÁ¿Ð´ÈëDX ½«0500H´æÈëAXÖÐ

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