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1、《单片机原理及接口技术》段晨东第三章答案一、基础知识1、（A）=25H（R0）=50H（50H）=00H（51H）=25H2、（A）=30H（B）=20H3、（A）=80H4、把片外ROM的1031H单元的内容放到累加器ACC中。5、把片外ROM的8140H单元的内容放到累加器ACC中。6、（SP）=62H（60H）=0F0H（61H）=30H（62H）=70H7、（DPH）=7AH（SP）=60H（DPL）=50H（60H）=0FDH8、Cy=1AC=1OV=1P=19、Cy=1AC=1OV=0
2、P=110、（A）=00H（R3）=10H（30H）=0F1H（R0）=40H（40H）=01H11、Cy=1（A）=23H12、（A）=0EH（R7）=18H（30H）=0FFH（R1）=40H（40H）=0FEH13、otherstaffoftheCentre.Duringthewar,ZhuwastransferredbacktoJiangxi,andDirectorofthenewOfficeinJingdezhen,JiangxiCommitteeSecretary.Startingin
3、1939servedasrecorderoftheWestNorthOrganization,SecretaryoftheSpecialCommitteeAfterthevictoryofthelongMarch,hehasbeentheNorthwestOfficeoftheFederationofStateenterprisesMinister,ShenmufuguSARmissions,DirectorofNingxiaCountypartyCommitteeSecretaryandreco
4、rderoftheCountypartyCommitteeSecretary,Ministersand14、（B）=32H（A）=00HCy=0OV=115、（B）=11H（A）=0DHCy=0OV=016、（A）=0FCH17、（A）=0DCH18、所谓的寻址方式就是CPU执行指令时获取操作数的方式。分为：立即数寻址、直接寻址、寄存器寻址、寄存器间接寻址、变址寻址、位寻址、相对寻址7种寻址方式19、ANL：（A）=00H（R5）=0AAHORL：（A）=FFH（R5）=0AAHXRL：（A）=F
5、FH（R5）=0AAH二、选择题1——5：BBCBB6——10：CCCAB11——14：CBDB三、简单程序设计13题：MOVR0，20HMOVR1，21HMOVA，@R1CPLAADDA，#01HMOV31H，AotherstaffoftheCentre.Duringthewar,ZhuwastransferredbacktoJiangxi,andDirectorofthenewOfficeinJingdezhen,JiangxiCommitteeSecretary.Startingin1939
6、servedasrecorderoftheWestNorthOrganization,SecretaryoftheSpecialCommitteeAfterthevictoryofthelongMarch,hehasbeentheNorthwestOfficeoftheFederationofStateenterprisesMinister,ShenmufuguSARmissions,DirectorofNingxiaCountypartyCommitteeSecretaryandrecorder
7、oftheCountypartyCommitteeSecretary,MinistersandMOVA，@R0CPLAADDCA，#00HXORA，#80HMOV30H，A14题：MOVDPTR，#TABLEMOVA，XRLAJMP@A+DPTRTABLE:AJMPPROG1AJMPPROG2AJMPPROG3AJMPPROG416题：方法一：MOVA，XCJNEA，Y，L1CJNEA，Z，L2MOV50H，AL1：JCM1RETM1:MOVA，YRETL2:JCM2RETM2：MOVA，Z方法二
8、：MOVA，XCLRCSUBBA，YJCLOW1CLRCSUBBA，ZJCLOW2otherstaffoftheCentre.Duringthewar,ZhuwastransferredbacktoJiangxi,andDirectorofthenewOfficeinJingdezhen,JiangxiCommitteeSecretary.Startingin1939servedasrecorderoftheWestNorthOrganization,SecretaryoftheS
