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LEA SI, CONAME ADD SI, 20-1 LEA DI, PRLINE ADD DI, 20-1 REP MOVSB (3) MOV AX, WORD PTR CONAME+3-1 (4) MOV WORD PTR PRLINE +5, AX (5) MOV AL, ¡® ¡¯ £»¿Õ¸ñµÄASCIIÂëËÍAL¼Ä´æÆ÷ CLD MOV DI, SEG CONAME MOV ES, DI LEA DI, CONAME REPNE SCASB JNE NEXT DEC DI MOV BX, DI NEXT: ©« 3.30 ±àд³ÌÐò¶Î£¬°Ñ×Ö·û´®STRINGÖеġ®&¡¯×Ö·ûÓÿոñ·û´úÌæ¡£ STRING DB ¡®The date is FEB&03¡¯ ´ð£º³ÌÐò¶ÎÈçÏ£º MOV CX, 18 MOV AL, ¡®&¡¯ CLD MOV DI, SEG STRING MOV ES, DI LEA DI, STRING REPNE SCASB JNE NEXT DEC DI MOV ES£ºBYTE PTR [DI], ¡® ¡¯ £»ËͿոñ·û NEXT: ©« 3.31 ¼ÙÉèÊý¾Ý¶ÎÖÐÊý¾Ý¶¨ÒåÈçÏ£º STUDENT_NAME DB 30 DUP (?) 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PRINT_LINE DB 132 DUP (?) ·Ö±ð±àдÏÂÁгÌÐò¶Î£º (1) Óÿոñ·ûÇå³ýPRINT_LINEÓò¡£ (2) ÔÚSTUDENT_ADDRÖвéÕÒµÚÒ»¸ö¡®-¡¯¡£ (3) ÔÚSTUDENT_ADDRÖвéÕÒ×îºóÒ»¸ö¡®-¡¯¡£ (4) Èç¹ûSTUDENT_NAMEÓòÖÐÈ«Êǿոñ·ûʱ£¬ÌîÈë¡®*¡¯¡£ (5) °ÑSTUDENT_NAMEÒÆµ½PRINT_LINEµÄǰ30¸ö×Ö½ÚÖУ¬°ÑSTUDENT_ ADDRÒÆµ½PRINT_LINEµÄºó9¸ö×Ö½ÚÖС£ ´ð£º¹«¹²µÄ³ÌÐò¶ÎÈçÏ£º MOV DI, DS MOV ES, DI (1) MOV CX, 132 MOV AL., ¡® ¡¯ £»¿Õ¸ñµÄASCIIÂëËÍAL¼Ä´æÆ÷ CLD LEA DI, PRINT_LINE REP STOSB (2) MOV CX, 9 MOV AL., ¡®-¡¯ CLD LEA DI, STUDENT_ ADDR REPNE SCASB JNE NO_DASH DEC DI NO_DASH: ©« (3) MOV CX, 9 MOV AL., ¡®-¡¯ STD LEA DI, STUDENT_ ADDR ADD DI, 9-1 REPNE SCASB JNE NO_DASH INC DI NO_DASH: ©« (4) MOV CX, 30 MOV AL, ¡® ¡¯ £»¿Õ¸ñµÄASCIIÂëËÍAL¼Ä´æÆ÷ CLD LEA DI, STUDENT_NAME REPE SCASB JNE NEXT MOV CX, 30 MOV AL, ¡®*¡¯ £»¡°*¡±µÄASCIIÂëËÍAL¼Ä´æÆ÷ LEA DI, STUDENT_NAME REP STOSB NEXT: ©« (5) MOV CX, 30 CLD LEA SI, STUDENT_NAME LEA DI, PRINT_LINE REP MOVSB MOV CX, 9 STD LEA SI, STUDENT_ADDR+9-1 LEA DI, PRINT_LINE+132-1 REP MOVSB 3.32 ±àдһ³ÌÐò¶Î£º±È½ÏÁ½¸ö5×Ö½ÚµÄ×Ö·û´®OLDSºÍNEWS£¬Èç¹ûOLDS×Ö·û´®²»Í¬ÓÚNEWS×Ö·û´®ÔòÖ´ÐÐNEW_LESS£»·ñÔò˳ÐòÖ´ÐгÌÐò¡£ ´ð£º³ÌÐò¶ÎÈçÏ£º MOV CX, 5 CLD MOV DI, SEG OLDS MOV DS, DI MOV ES, DI LEA SI, OLDS LEA DI, NEWS REPE CMPSB JNE NEW_LESS ©« NEW_LESS: ©« 3.33 ¼Ù¶¨AXºÍBXÖеÄÄÚÈÝΪ´ø·ûºÅÊý£¬CXºÍDXÖеÄÄÚÈÝΪÎÞ·ûºÅÊý£¬ÇëÓñȽÏÖ¸ÁîºÍÌõ¼þ×ªÒÆÖ¸ÁîʵÏÖÒÔÏÂÅжϣº (1) ÈôDXµÄÄÚÈݳ¬¹ýCXµÄÄÚÈÝ£¬ÔòתȥִÐÐEXCEED¡£ (2) ÈôBXµÄÄÚÈÝ´óÓÚAXµÄÄÚÈÝ£¬ÔòתȥִÐÐEXCEED¡£ (3) ÈôCXµÄÄÚÈݵÈÓÚ0£¬ÔòתȥִÐÐZERO¡£ (4) BXÓëAXµÄÄÚÈÝÏà±È½ÏÊÇ·ñ²úÉúÒç³ö£¿ÈôÒç³öÔòתOVERFLOW¡£ (5) ÈôBXµÄÄÚÈÝСÓÚµÈÓÚAXµÄÄÚÈÝ£¬ÔòתEQ_SMA¡£ (6) ÈôDXµÄÄÚÈݵÍÓÚµÈÓÚCXµÄÄÚÈÝ£¬ÔòתEQ_SMA¡£ ´ð£º(1) CMP DX, CX JA EXCEED (2) CMP BX, AX JG EXCEED (3) JCXZ ZERO (4) CMP BX, AX JO OVERFLOW (5) CMP BX, AX JLE EQ_SMA (6) CMP DX, CX JBE EQ_SMA 3.34 ÊÔ·ÖÎöÏÂÁгÌÐò¶Î£º ADD AX, BX JNO L1 JNC L2 SUB AX, BX JNC