PC技术2010年100道上机题答案(南开大学出版社).doc

PC技术2003年100道上机题答案（南开大学出版社） 第 PAGE 1 页 共 NUMPAGES 5 页 1.(1)MOV??(2)00H??(3)JMP MAIN3??(4)LOOP??(5)[SI]??(6)MAIN4??(7)INC BX2.(1)PUSH CX??(2)RCL??(3)BH??(4)JNE SET ONE??(5)BH??(6)AND BH,01H??(7)POP CX3.(1)2??(2)ADD DI,2??(3)NEXT0??(4)BX??(5)SW??(6)AX??(7)NEXT??(8)DEC BX??(9)JNZ4.(1)5??(2)CX??(3)4??(4)MOV DX,0??(5)INC DI??(6)INC SI5.(1)AL,[SI-2]??(2)XOR BX,0FFH??(3)Z??(4)SHL??(5)AND AL,0FH??(6)DEC DX6.(1)MOV SI,0??(2)MOV CX,N??(3)MOV AL,SOURCE[SI]??(4)10H??(5)INC DI??(6)INC SI??(7)CHAN7.(1)JNZ??(2)*??(3)SEARCH1??(4)JNZ??(5)13??(6)DEC BX8.(1)16??(2)SHL AX,1??(3)JB??(4)COUNT??(5)BX,2??(6)[DI],DH9.(1)LEA DI,RESULT??(2)1??(3)TEST??(4)JP??(5)SHL DX,110.(1)NEG AL??(2)ADC [DI+1]??(3)ADC [DI+1]??(4)NEXT??(5)0FFH11.(1)AND AH,0FH??(2)PUSH CX??(3)SHR AL,CL??(4)AL,9??(5)BYTE PTR[DI],0BEH??(6)LOOP CLP112.(1)MOV AL,[SI]??(2)A??(3)MUL BL??(4)A??(5)MUL BH??(6)MUL DL??(7)INC SI??(8)ADD SI,213.(1)MOV AL,[SI]??(2)A??(3)SUB AL,10??(4)ADD AX,10*70??(5)MOV [DI],AX??(6)ADD DI,214.(1)MOV AL,[DI]??(2)REPNZ SCASB??(3)INC DI??(4)L0??(5)ADD SI,315.(1)E??(2)STOSB??(3)CLD??(4)MOV CX,[SI]??(5)MOV AL,[SI+1]??(6)REP STOSB??(7) ADD SI ,216.(1) XOR DX ,AX??(2)AND DH ,80H??(3) Z??(4)MOV AL,[SI-2]??(5)MOV DX,AX17.(1)CMP AL,0??(2)NEXT??(3)NEG AL??(4)ADC DH,0??(5)REP STOSB18.(1) TEST??(2)INC DI??(3) REST11??(4) LASCⅡ??(5)INC DL??(6) [DI]??(7) DH19.(1) MOV AL, [SI]??(2)8??(3) SHL??(4) LP3??(5)LOOP??(6) DH??(7) INC SI??(8)DEC DL??(9) LP120.(1) 4??(2)INC DI??(3) LP0??(4) 0E1H??(5)INC DI??(6) JNZ21.(1)AGN11??(2)ˊ#ˊ??(3)INC DI??(4)JMP AGN1??(5)20H??(6)[DI]22.(1)PUSH??(2)ROL??(3)ADC??(4)BL, AL??(5)POP??(6)DX??(7)MOV [DI],AL23.(1)N??(2)[SI]??(3)JNZ NEXTD??(4)CMP AL,DH??(5)ADD BX,DL??(6)LOOP MCLP124.(1)DI,OFFSET RESULT??(2)8??(3)AL??(4)LOOP MAGN2??(5)MOV CL,8??(6)DIV CL??(7)MOV [DI],AL??(8)INC DI??(9)JNZ25.(1)MOV SI,0??(2)MOV AH,SOURCE[SI]??(3)INC SI??(4