期末考试试题二

试题一流水灯控制开关K1向下按，从左至右依次点亮8个发光二极管；开关K1向上按，8个发光二极管从右至左依次点亮。要求画出8255相关的系统硬件电路；写出相应的汇编程序。ORG1000HCODESEGMENTASSUMECSCODESTARTMOVAL,82HA组方式0，A口输出，B组方式0输入MOVDX,0FF2BHOUTDX,AL8255初始化MOVDX,0FF29H；读B口状态INAL,DXTESTAL,01HJNZNEXT1MOVAL,FEHMOVDX,0FF28HNEXTOUTDX,AL；点亮L1CALLDELAYROLAL,01HJMPNEXTMOVAL,07FHMOVDX,0FF28HNEXT1OUTDX,AL点亮L7CALLDELAYRORAL,01HJMPNEXT1JMPSTARTDELAYPROCPUSHCXMOVCX,01FFFHDLOOPDPOPCXRETDELAYENDPCODEENDSENDSTART试题二液晶显示在LCD液晶显示屏上显示自己的姓名。要求画出流程图；写出相应的汇编程序。CODESEGMENTASSUMECSCODEORG1000HSTARTJMPSTART3TABDB00H00H3FHF8H21H08H21H08H2FHE8H21H08H21H08H3FHF8HDB20H08H27HC8H24H48H24H48H27HC8H40H08H40H28H80H10H“周“,0DB00H00H00HFCH7CH84H44H84H44H84H44HFCH7CH84H44H84HDB44H84H44HFCH7CH84H44H84H01H04H01H04H02H14H04H08H“明“,1START3MOVDX,0FF2BHMOVAL,80HOUTDX,ALLEASI,TABMOVDX,0FF2AHMOVAL,30HOUTDX,ALMOVDX,0FF28HMOVAL,00111111BOUTDX,ALCALLLATEMOVDX,0FF2AHMOVAL,10HOUTDX,ALMOVDX,0FF28HMOVAL,11000000BOUTDX,ALCALLLATEMOVCH,4MOVBL,10111000BSTART0MOVCL,32MOVDX,0FF2AHMOVAL,10HOUTDX,ALMOVDX,0FF28HMOVAL,BLOUTDX,ALCALLLATEMOVDX,0FF28HMOVAL,01000000BOUTDX,ALCALLLATESTART1MOVDX,0FF2AHMOVAL,11HOUTDX,ALMOVAL,SIMOVDX,0FF28HOUTDX,ALCALLLATEINCSIDECCLCMPCL,00HJNZSTART1INCBLDECCHCMPCH,00HJNZSTART0JMPLATEMOVDX,0FF2BHMOVAL,05HOUTDX,ALMOVAL,04HOUTDX,ALRETCODEENDSENDSTARTDATASEGMENTORG1000H文字陈宋体12此字体下对应的点阵为宽X高16X16DATA1DB00H,02H,02H,02H,02H,41H,02H,81H,0F2H,7FH,8AH,00H,46H,04H,00H,03HDB0E0H,40H,00H,80H,0FFH,7FH,00H,00H,20H,00H,0C0H,00H,00H,07H,00H,00H文字沁宋体12此字体下对应的点阵为宽X高16X16DATA2DB40H,20H,44H,12H,54H,4AH,65H,82H,0C6H,7FH,64H,02H,54H,0AH,44H,92HDB00H,60H,0FCH,1FH,44H,00H,44H,00H,0C4H,0FFH,42H,00H,40H,00H,00H,00HDATA3DB02H,00H,02H,00H,0F2H,0FFH,12H,01H,12H,46H,12H,80H,0F2H,7FH,02H,00HDB0F2H,0FFH,12H,01H,12H,46H,12H,80H,0F2H,7FH,02H,00H,02H,00H,00H,00HDATAENDSCODESEGMENTASSUMECSCODE,DSDATASTARTMOVAX,DATAMOVDS,AX8255初始化MOVDX,0FF2BHMOVAL,10000000BOUTDX,AL；选全屏MOVDX,0FF2BHMOVAL,00001001BCS11OUTDX,ALMOVAL,00001011BCS21OUTDX,AL开显示MOVAL,00000000BRS0OUTDX,ALMOVAL,00000010BR/W0OUTDX,ALMOVDX,0FF28HAMOVAL,00111111BOUTDX,ALE下降沿MOVDX,0FF2BHMOVAL,00000101BOUTDX,ALMOVAL,00000100BOUTDX,AL选左屏MOVAL,00001001BCS11OUTDX,ALMOVAL,00001010BCS20OUTDX,AL；设置行MOVAL,00000000BRS0OUTDX,ALMOVAL,00000010BR/W0OUTDX,ALMOVDX,0FF28HAMOVAL,11000000BOUTDX,ALE下降沿MOVDX,0FF2BHMOVAL,00000101BOUTDX,ALMOVAL,00000100BOUTDX,AL设置页MOVAL,00000000BRS0OUTDX,ALMOVAL,00000010BR/W0OUTDX,ALMOVBL,10111000BMOVDX,0FF28HAMOVAL,10111000BOUTDX,ALE下降沿MOVDX,0FF2BHMOVAL,00000101BOUTDX,ALMOVAL,00000100BOUTDX,AL设置列LEASI,DATA1MOVDI,6LEIMOVDX,0FF2BHMOVAL,00000000BRS0OUTDX,ALMOVAL,00000010BR/W0OUTDX,ALMOVDX,0FF28HMOVAL,01000000BAOUTDX,ALE下降沿MOVDX,0FF2BHMOVAL,00000101BOUTDX,ALMOVAL,00000100BOUTDX,AL输出数MOVCX,16SHURUMOVAL,00000001BRS1OUTDX,ALMOVAL,00000010BR/W0OUTDX,ALSIAMOVDX,0FF28H逐字显示MOVAL,SIOUTDX,ALE下降沿MOVDX,0FF2BHMOVAL,00000101BOUTDX,ALMOVAL,00000100BOUTDX,ALINCSILOOPSHURU设置下一页MOVDX,0FF2BHMOVAL,00000000BRS0OUTDX,ALMOVAL,00000010BR/W0OUTDX,ALINCBL下一页显示MOVDX,0FF28HMOVAL,BL；将BL赋给AL,再显示OUTDX,ALE下降沿MOVDX,0FF2BHMOVAL,00000101BOUTDX,ALMOVAL,00000100BOUTDX,ALDECDI判断下一页JNZLEIJMPSTARTRETTJMPRETTTRETTTJMPRETTCODEENDSENDSTART试题三直流电机控制按下键盘上的数字键0，直流电机转动；否则，直流电机不转。要求画出DA0832相关的系统硬件电路；写出相应的汇编程序。参考答案DA0832硬件电路A系统8255键值PA0PA1PA2PA3PA4PA5PA6PA7PC0748596ABPC1102F3ECDB外部8255PB口接8个LED（0亮）源程序CODESEGMENTASSUMECSCODESTARTMOVDX,0FF2BH初始化8255MOVAL,80HOUTDX,ALDU1电机停止转动MOVDX,0FF28HMOVAL,00HOUTDX,ALDU0MOVDX,0FF20H0MOVAL,11111101BOUTDX,ALMOVDX,0FF22HINAL,DXTESTAL,02HJNZDU11就跳（未按下返回）MOVDX,0FF28H开始正转MOVAL,0FFHOUTDX,ALJMPDU0循环运行ENDSTART试题四音乐播放器循环播放一首乐曲，乐曲的简谱如下要求画出扩展8253相关的系统硬件电路；写出相应的汇编程序。CODESEGMENTASSUMECSCODETABDW2273,2025,1804,2273,2273,2025,1804,2273,1804,1703,1517,1517DW1804,1703,1517,1517,1517,1351,1517,1703,1804,2273,1517,1351DW1517,1703,1804,2273,2273,1517,2273,2273,2273,1517,2273,2273STARTLEASI,TABMOVDX,43H初始化8253MOVAL,01110110BOUTDX,ALMOVDX,0FF2BH初始化8255MOVAL,10010000BOUTDX,ALMOVCX,30AJMOVDX,0FF29H关8253的GATE1MOVAL,00HOUTDX,ALAGAINMOVDX,0FF28HINAL,DXTESTAL,01HJZAJ判断开关（低电平为暂停，如果相反，改为JNZ）MOVDX,0FF29HMOVAL,0FFH开8253的GATE1OUTDX,ALMOVAX,SI取一个音符MOVDX,41HOUTDX,ALMOVAL,AHOUTDX,ALCALLDELAYINCSIINCSILOOPAGAINJMPSTARTDELAYPROC05SPUSHBXPUSHCXMOVBL,10DE1MOVCX,4000LOOPDECBLJNZDE1POPCXPOPBXRETENDPDELAYCODEENDSENDSTART12013年微机实验考试考试题目与参考答案参考售价1000000000元人民币电子科创中心出品2013年微机原理实验考试关注微博师大宝駒电梯里俩2B电子科创中心出品1试题一数码管显示在任意一组无符号数中找出最大的数，在数码管上显示出来（无符号数的大小在099之间）。要求画出流程图；写出相应的汇编程序。参考答案程图源程序CODESEGMENTASSUMECSCODEDATA1DB70,02,52,13,06,28,54,68,86,92TABDB0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90HSTARTLEASI,DATA1LEADI,TABMOVCX,9找出最大数NEXT1MOVAL,SIINCSICMPAL,SIJCNEXT2MOVSI,ALNEXT2LOOPNEXT1DISPMOVAX,00HMOVAL,SIMOVBL,10DIVBLPUSHAXANDAX,0FHMOVBX,AXMOVAL,DIBXMOVDX,0FF21H段选OUTDX,ALMOVAL,0FDH位选十位MOVDX,0FF20HOUTDX,ALCALLDELAYPOPAXMOVAL,AHANDAX,0FHMOVBX,AXMOVAL,DIBXMOVDX,0FF21H段选OUTDX,ALMOVAL,0FEH位选个位MOVDX,0FF20HOUTDX,ALCALLDELAYJMPDISPDELAYPROCPUSHBXPUSHCXMOVBL,2DE1MOVCX,400LOOPDECBLJNZDE1POPCXPOPBXRETENDPDELAYCODEENDSENDSTART试题二液晶显示在LCD液晶显示屏上显示自己的姓名。要求画出流程图；写出相应的汇编程序。注此程序中的姓名需要自己取模，取模方式大家自己尝试，如果姓名为三个字，仿照前面写就可以。参考答案流程图（略）源程序DATASEGMENTORG1000H文字陈宋体12此字体下对应的点阵为宽X高16X16DATA1DB00H,0FEH,22H,5AH,86H,08H,88H,68H,18H,0FH,0E8H,08H,08H,08H,08H,00HDB00H,0FFH,04H,08H,07H,20H,11H,0DH,41H,81H,7FH,01H,05H,09H,30H,00H文字沁宋体12此字体下对应的点阵为宽X高16X16DATA2DB10H,60H,02H,8CH,00H,80H,00H,0F0H,02H,04H,18H,00H,00H,80H,00H,00HDB04H,04H,7EH,01H,08H,07H,00H,3FH,40H,40H,40H,40H,78H,00H,07H,00HDATAENDSCODESEGMENTASSUMECSCODE,DSDATASTARTMOVAX,DATAMOVDS,AX8255初始化MOVDX,0FF2BHMOVAL,10000000BOUTDX,AL；选全屏MOVDX,0FF2BHMOVAL,00001001BCS11OUTDX,AL2013年微机原理实验考试关注微博师大宝駒电梯里俩2B电子科创中心出品4MOVAL,00001011BCS21OUTDX,AL开显示MOVAL,00000000BRS0OUTDX,ALMOVAL,00000010BR/W0OUTDX,ALMOVDX,0FF28HAMOVAL,00111111BOUTDX,ALE下降沿MOVDX,0FF2BHMOVAL,00000101BOUTDX,ALMOVAL,00000100BOUTDX,AL选左屏MOVAL,00001001BCS11OUTDX,ALMOVAL,00001010BCS20OUTDX,AL；设置行MOVAL,00000000BRS0OUTDX,ALMOVAL,00000010BR/W0OUTDX,ALMOVDX,0FF28HAMOVAL,11000000BOUTDX,ALE下降沿MOVDX,0FF2BHMOVAL,00000101BOUTDX,ALMOVAL,00000100BOUTDX,AL设置页MOVAL,00000000BRS0OUTDX,ALMOVAL,00000010BR/W0OUTDX,ALMOVBL,10111000B2013年微机原理实验考试关注微博师大宝駒电梯里俩2B电子科创中心出品5MOVDX,0FF28HAMOVAL,10111000BOUTDX,ALE下降沿MOVDX,0FF2BHMOVAL,00000101BOUTDX,ALMOVAL,00000100BOUTDX,AL设置列LEASI,DATA1MOVDI,4LEIMOVDX,0FF2BHMOVAL,00000000BRS0OUTDX,ALMOVAL,00000010BR/W0OUTDX,ALMOVDX,0FF28HMOVAL,01000000BAOUTDX,ALE下降沿MOVDX,0FF2BHMOVAL,00000101BOUTDX,ALMOVAL,00000100BOUTDX,AL输出数MOVCX,16SHURUMOVAL,00000001BRS1OUTDX,ALMOVAL,00000010BR/W0OUTDX,ALSIAMOVDX,0FF28H逐字显示MOVAL,SIOUTDX,ALE下降沿MOVDX,0FF2BHMOVAL,00000101BOUTDX,ALMOVAL,00000100BOUTDX,ALINCSILOOPSHURU设置下一页MOVDX,0FF2BHMOVAL,00000000BRS0OUTDX,ALMOVAL,00000010BR/W0OUTDX,ALINCBL下一页显示MOVDX,0FF28HMOVAL,BL；将BL赋给AL,再显示OUTDX,ALE下降沿MOVDX,0FF2BHMOVAL,00000101BOUTDX,ALMOVAL,00000100BOUTDX,ALDECDI判断下一页JNZLEIJMPSTARTRETTJMPRETTTRETTTJMPRETTCODEENDSENDSTART试题三直流电机控制按下键盘上的数字键0，直流电机转动；否则，直流电机不转。要求画出DA0832相关的系统硬件电路；写出相应的汇编程序。参考答案件电路DA0832硬件电路A系统8255B外部8255PB口接8个LED（0亮）源程序CODESEGMENTASSUMECSCODESTARTMOVDX,0FF2BH初始化8255MOVAL,80HOUTDX,ALDU1电机停止转动MOVDX,0FF28HMOVAL,00HOUTDX,ALDU0MOVDX,0FF20H0MOVAL,11111101BOUTDX,ALMOVDX,0FF22HINAL,DXTESTAL,02HJNZDU11就跳（未按下返回）MOVDX,0FF28H开始正转MOVAL,0FFHOUTDX,ALJMP