微机接口机原理实验报告

微机原理及接口技术——实验报告学号：xxxxxx姓名:xxxxx专业：网络工程实验一：系统认知1.1实验目的掌握TD系列微机原理及接口技术教学实验系统的操作，熟悉Wmd86联机集成开发调试软件的操作环境。通过顺序程序设计与分支程序设计来进行举例。1.2实验设备PC机一台，TD-PITE实验装置一套。1.3实验内容内存从BUFF开始的单元中存放着两个字数据X、Y，完成X+Y，并将相加的和（假设仍为一个字数据）存放于内存从RESULT开始的存储单元中。DATA SEGMENTBUFF DW X,YRESULT DW ?DATA ENDSCODE SEGMENT ASSUMECS:CODE,DS:DATASTART: MOVAX,DATA MOVDS,AX MOVAX,BUFF ADDAX,BUFF+2 MOVRESULT,AX MOVAH,4CH INT21HCODE ENDS ENDSTART加载程序后调试，R寄存器；U反汇编；D显示数据；E修改数据。1.4实验截图实验二分支程序设计2.1实验目的1.掌握分支程序的结构。2.掌握分支程序的设计、调试方法。2.2实验设备PC机一台，TD-PITE实验装臵一套。2.3实验内容1，X>0求函数Y=0,X=0-1,X<0程序如下:DATASEGMENTVAR1 DB XVAR2DB ?DATA ENDSCODE SEGMENT ASSUME CS:CODE,DS:DATASTART:MOVAX,DATA MOVDS,AX MOVAL, VAR1CMPAL,0 JGE BIG MOVVAR2,0FFH JMP DONEBIG:JEEQUL MOVVAR2,1 JMP DONEEQUL:MOV VAR2,0DONE:MOVAH,4CH INT 21HCODEENDS END START实验三循环程序设计3.1实验目的1)加深对循环结构的理解。2)掌握循环结构程序设计的方法以及调试方法。3.2实验设备PC机一台，TD-PITE实验装置一套。3.3实验内容PUBLIC MAXDATA SEGMENTNUMBER DB01H,11H,22H,33H,44H,55H,66H,77H,88H,99HMAX DB ?DATA ENDSCODE SEGMENT ASSUME CS:CODE,DS:DATASTART: MOV AX,DATA MOV DS,AXINIT: LEA SI, NUMBER LEA DI, MAX MOV CX,10 MOV AL,[SI] INCSI DEC CXAGAIN: CMP AL,[SI] JA NEXT MOV AL,[SI]NEXT: INCSI LOOP AGAINRESULT: NOP MOV [DI],AL MOV AX,4C00H INT 21HCODE ENDS END START3.4实验截图实验四8259中断控制实验4.1实验目的掌握8259中断控制器的原理学习8259的应用编程方法掌握8259级联方式的使用方法4.2实验设备PC机一台，TD—PIDE实验装置一套4.3实验内容1）单次脉冲输出与主片8259的IR7相连,每按动一次单次脉冲,产生一次外部中断,在显示屏上输出一个字符“7”。程序如下：SSTACKSEGMENTSTACKDW32DUP(?)SSTACKENDSCODESEGMENTASSUMECS:CODESTART:PUSHDSMOVAX,0000HMOVDS,AXMOVAX,OFFSETMIR7MOVSI,003CHMOV[SI],AXMOVAX,CSMOVSI,003EHMOV[SI],AXCLIPOPDSMOVAL,11HOUT20H,ALMOVAL,08HOUT21H,ALMOVAL,04HOUT21H,ALMOVAL,01HOUT21H,ALMOVAL,6FHOUT21H,ALSTIAA1:NOPJMPAA1MIR7:STICALLDELAYMOVAX,0137HINT10HMOVAX,0120HINT10HMOVAL,20HOUT20H,ALIRETDELAY:PUSHCXMOVCX,0F00HAA0:PUSHAXPOPAXLOOPAA0POPCXRETCODEENDSENDSTARTKK1＋连接到主片8259的IR7上,KK2＋连接到从片8259的IR1上,当按一次KK1＋时，显示屏上显示字符“M7”按一次KK2＋时，显示字符“S1”。程序如下：SSTACKSEGMENTSTACKDW32DUP(?)SSTACKENDSCODESEGMENTASSUMECS:CODESTART:PUSHDSMOVAX，0000HMOVDS，AXMOVAX，OFFSETMIR7MOVSI，003CHMOV[SI]，AXMOVAX,CSMOVSI,003EHMOV[SI],AXMOVAX,OFFSETSIR1MOVSI,00C4HMOV[SI],AXMOVAX,CSMOVSI,00C6HMOV[SI],AXCLIPOPDSMOVAL,11HOUT20H,ALMOVAL,08HOUT21H,ALMOVAL，04HOUT21H,ALMOVAL,01HOUT21H,ALMOVAL,11HOUT0A0H,ALMOVAL,30HOUT0A1H,ALMOVAL,02HOUT0A1H,ALMOVAL,01HOUT0A1H,ALMOVAL,0FDHOUT0A1H,ALMOVAL,6BHOUT21H,ALSTIAA1:NOPJMPAA1MIR7:CALLDELAYMOVAX,014DHINT10HMOVAX,0137HINT10HMOVAX,0120HINT10HMOVAL,20HOUT20H,ALIRETSIR1:CALLDELAYMOVAX,0153HINT10HMOVAX,0131HINT10HMOVAX,0120HINT10HMOVAL,20HOUT0A0H,ALOUT20H,ALIRETDELAY:PUSHCXMOVCX, 0F00HAA0:PUSHCXPOPAXLOOPAA0POPCXRETCODEENDSENDSTART4.4实验截图实验五8254定时/计时器实验5.1实验目的1)掌握8254的工作方式及应用编程。2)掌握8254典型应用电路的接法。5.2实验设备PC机一台，TD-PITE实验装臵一套。5.3实验内容1)计数应用实验。编写程序，应用8254的计数功能，使用单次脉冲模拟计数，使每当按动‘KK1＋’5次后，产生一次计数中断，并在屏幕上显示一个字符‘M’。2)定时应用实验。编写程序，应用8254的定时功能，产生一个1s的方波。5.4实验程序A8254 EQU 06C0HB8254 EQU 06C2HC8254 EQU 06C4HCON8254EQU06C6HSSTACK SEGMENTSTACKDW32DUP(?)SSTACK ENDSCODE SEGMENTASSUMECS:CODE,SS:SSTACKSTART: PUSHDSMOVAX,0000HMOVDS,AXMOVAX,OFFSETIRQ7 MOVSI,003CHMOV[SI],AX MOVAX,CS MOVSI,003EHMOV[SI],AX CLIPOPDSMOVAL,11HOUT20H,AL MOVAL,08HOUT21H,AL MOVAL,04HOUT21H,AL MOVAL,01HOUT21H,AL MOVAL,6FH OUT21H,ALMOVDX,CON8254MOVAL,10H OUTDX,ALMOVDX,A8254MOVAL,04HOUTDX,ALSTIAA1: JMPAA1IRQ7: MOVDX,A8254MOVAL,04HOUTDX,ALMOVAX,014DHINT10H MOVAX,0120HINT10HMOVAL,20HOUT20H,AL IRETCODE ENDSENDSTART实验六8255并行接口实验5.1实验目的1）学习并掌握8255的工作方式及其应用。2）掌握8255典型应用电路的接法。3）掌握程序固化及脱机运行程序的方法。5.2实验设备PC机一台，TD-PITE实验装置一套。5.3实验步骤及内容1）基本输入输出实验：本实验使8255端口A工作在方式0并作为输入口，端口B工作在方式0并作为输出口。用一组开关信号接入端口A，端口B输出线接至一组数据灯上，然后通过对8255芯片编程来实现输入输出功能。程序如下：SSTACK SEGMENTDW 32 DUO(?)SSTACK ENDSCODE SEGMENT ASSUME CS:CODESTART: MOV DX,0646H MOV AL,90H OUT DX,ALAA1: MOV DX,0640H IN AL,DX CALL DELAY MOV DX,0642H OUT DX,AL JMP AA1DELAY: PUSH CX MOV CX,0F00HAA2: PUSH AX POP AX LOOP AA2 POP CX RETCODE ENDS END START流水灯显示实验：使8255的A口和B口均为输出，数据灯D7～D0由左向右，每次仅亮一个灯，循环显示，D15～D8与D7～D0正相反，由右向左，每次仅点亮一个灯，循环显示。程序如下：SSTACK SEGMENT DW 32 DUO(?)SSTACK ENDSCODE SEGMENT ASSUME CS:CODESTART: MOV DX,0646H MOV AL,80H OUT DX,AL MOV BX,8001HAA1: MOV DX,0640H MOV AL,BH OUT DX,AL ROR BH,1MOV DX,0642H MOV AL,BL OUT DX,AL ROL BL,1 CALL DELAY CALL DELAY JMP AA1DELAY: PUSH CX MOV CX,0F00HAA2: PUSH AX POP AX LOOP AA2 POP CX RETCODE ENDS END START实验七设计流水灯显示实验要求：设计一组实验程序，实现按下开关KK1，流水灯由中间向两边依次发亮。按下开关KK2，流水灯由两边向中间依次发亮。实验目的：对前边实验进行总结，自行设计，达到实验要求。实验设备PC机一台，TD-PITE实验装置一套。实验线路连接图：实验实现程序：SSTACKSEGMENTSTACKDW32DUP(?)SSTACKENDSCODESEGMENTASSUMECS:CODESTART:PUSHDSMOVAX,0000HMOVDS,AXMOVAX,OFFSETMIR7;取中断入口地址MOVSI,003CH;中断矢量地址MOV[SI],AX;填IRQ7的偏移矢量MOVAX,CS;段地址MOVSI,003EHMOV[SI],AX;填IRQ7的段地址矢量MOVAX,OFFSETSIR1MOVSI,00C4HMOV[SI],AXMOVAX,CSMOVSI,00C6HMOV[SI],AXCLIPOPDS;初始化主片8259MOVAL,11HOUT20H,AL;ICW1MOVAL,08HOUT21H,AL;ICW2MOVAL,04HOUT21H,AL;ICW3MOVAL,01HOUT21H,AL;ICW4;初始化从片8259MOVAL,11HOUT0A0H,AL;ICW1MOVAL,30HOUT0A1H,AL;ICW2MOVAL,02HOUT0A1H,AL;ICW3MOVAL,01HOUT0A1H,AL;ICW4MOVAL,0FDHOUT0A1H,AL;OCW1=11111101MOVAL,6BHOUT21H,AL;主8259OCW1STIMOVDX,0646HMOVAL,80HOUTDX,ALMOVBX,8001HAA1:NOPJMPAA1MIR7:PUSHAXPUSHCXPUSHDXPUSHBXMOVCX,8LOP:MOVDX,0640HMOVAL,BHOUT