微機(jī)實(shí)驗(yàn)報(bào)告-計(jì)算機(jī)與通信綜合實(shí)驗(yàn)硬件實(shí)驗(yàn)

計(jì)算機(jī)與通信綜合實(shí)驗(yàn)計(jì)算機(jī)與通信綜合實(shí)驗(yàn)硬件實(shí)驗(yàn)實(shí)驗(yàn)一 A/D轉(zhuǎn)換實(shí)驗(yàn)一、實(shí)驗(yàn)?zāi)康?了解模/數(shù)轉(zhuǎn)換基本原理，掌握ADC0809的使用方法。二、實(shí)驗(yàn)內(nèi)容 利用實(shí)驗(yàn)系統(tǒng)上電位器提供的可調(diào)電壓作為0809模擬信號(hào)的輸入，編制程序，將模擬量轉(zhuǎn)換為數(shù)字量，通過(guò)數(shù)碼管顯示出來(lái)。三、實(shí)驗(yàn)接線圖四、程序流程圖五、程序源代碼CODE SEGMENT ;H0809.ASM ASSUME CS:CODEADPORT EQU 8000hPA EQU 0FF21H ;字位口PB EQU 0FF22H ;字形口PC EQU 0FF23H ;鍵入口 ORG 1000HSTART: JMP START0BUF DB ?,?,?,?,?,?data1: db 0c0h,0f9h,0a4h,0b0h,99h,92h,82h,0f8h,80h,90h,88h,83h,0c6h,0a1h db 86h,8eh,0ffh,0ch,89h,0deh,0c7h,8ch,0f3h,0bfh,8FHSTART0: CALL BUF1ADCON: MOV AX,00 MOV DX,ADPORT OUT DX,AL MOV CX,0500HDELAY: LOOP DELAY MOV DX,ADPORT IN AL,DX CALL CONVERS CALL DISP JMP ADCONCONVERS:MOV AH,AL AND AL,0FH MOV BX,OFFSET BUF MOV BX+5,AL MOV AL,AH AND AL,0F0H MOV CL,04H SHR AL,CL MOV BX+4,AL RETDISP: MOV AL,0FFH ;00H MOV DX,PA OUT DX,AL MOV CL,0DFH ;20H ;顯示子程序 ,5ms MOV BX,OFFSET BUFDIS1: MOV AL,BX MOV AH,00H PUSH BX MOV BX,OFFSET DATA1 ADD BX,AX MOV AL,BX POP BX MOV DX,PB OUT DX,AL MOV AL,CL MOV DX,PA OUT DX,AL PUSH CXDIS2: MOV CX,00A0H LOOP $ POP CX CMP CL,0FEH ;01H JZ LX1 INC BX ROR CL,1 ;SHR CL,1 JMP DIS1LX1: MOV AL,0FFH MOV DX,PB OUT DX,AL RETBUF1: MOV BUF,00H MOV BUF+1,08H MOV BUF+2,00H MOV BUF+3,09H MOV BUF+4,00H MOV BUF+5,00H RETCODE ENDS END START六、程序運(yùn)行結(jié)果接線圖：源代碼界面：運(yùn)行結(jié)果：輸出數(shù)字量為0：輸出數(shù)字量為FF：輸出數(shù)字量為80：實(shí)驗(yàn)二 8255A并行口實(shí)驗(yàn)（一）一、實(shí)驗(yàn)?zāi)康?掌握8255A和微機(jī)接口方法。 掌握8255A的工作方式和編程原理。二、實(shí)驗(yàn)內(nèi)容 用8255PA口控制PB口。三、實(shí)驗(yàn)接線圖四、實(shí)驗(yàn)程序框圖五、程序源代碼CODE SEGMENT ;H8255-1.ASM ASSUME CS:CODEIOCONPT EQU 0FF2BHIOBPT EQU 0FF29HIOAPT EQU 0FF28H ORG 11B0HSTART: MOV AL,90H MOV DX,IOCONPT OUT DX,AL NOP NOP NOPIOLED1: MOV DX,IOAPT IN AL,DX MOV DX,IOBPT OUT DX,AL MOV CX,0FFFFHDELAY: LOOP DELAY JMP IOLED1CODE ENDS END START六、程序運(yùn)行結(jié)果源代碼界面：接線圖：運(yùn)行結(jié)果：燈泡全亮：燈泡3、5亮：燈泡1滅：實(shí)驗(yàn)三 8255A并行口實(shí)驗(yàn)(二)一、實(shí)驗(yàn)?zāi)康?掌握通過(guò)8255A并行口傳輸數(shù)據(jù)的方法，以控制發(fā)光二極管的亮與滅。二、實(shí)驗(yàn)內(nèi)容 用8255做輸出口，控制十二個(gè)發(fā)光管亮滅，模擬交通燈管理。三、實(shí)驗(yàn)接線圖 四、實(shí)驗(yàn)流程圖五、實(shí)驗(yàn)程序清單CODE SEGMENT ;H8255-2.ASM ASSUME CS:CODEIOCONPT EQU 0FF2BHIOAPT EQU 0FF28HIOBPT EQU 0FF29HIOCPT EQU 0FF2AH ORG 11e0HSTART: MOV AL,82H MOV DX,IOCONPT OUT DX,AL MOV DX,IOBPT IN AL,DX MOV BYTE PTR DS:0601H,AL MOV DX,IOCONPT MOV AL,80H OUT DX,AL MOV DX,IOBPT MOV AL,DS:0601H OR AL,0F0H OUT DX,AL MOV DX,IOCPT MOV AL,0F0H OUT DX,AL CALL DELAY1IOLED0: MOV AL,10100101B MOV DX,IOCPT OUT DX,AL CALL DELAY1 ALL DELAY1 OR AL,0F0H OUT DX,AL MOV CX,8HIOLED1: MOV DX,IOBPT MOV AL,DS:0601H AND AL,10101111B OUT DX,AL CALL DELAY2 OR AL,01010000B OUT DX,AL CALL DELAY2 LOOP IOLED1 MOV DX,IOCPT MOV AL,0F0H OUT DX,AL CALL DELAY2 MOV AL,01011010B OUT DX,AL CALL DELAY1 CALL DELAY1 OR AL,0F0H OUT DX,AL MOV CX,8HIOLED2: MOV DX,IOBPT MOV AL,DS:0601H AND AL,01011111B OUT DX,AL CALL DELAY2 OR AL,10100000B OUT DX,AL CALL DELAY2 LOOP IOLED2 MOV DX,IOCPT MOV AL,0F0H OUT DX,AL CALL DELAY2 JMP IOLED0DELAY1: PUSH AX PUSH CX MOV CX,0030HDELY2: CALL DELAY2 LOOP DELY2 POP CX POP AX RETDELAY2: PUSH CX MOV CX,8000HDELA1: LOOP DELA1 POP CX RETCODE ENDS END START六、程序運(yùn)行結(jié)果源代碼界面：實(shí)驗(yàn)接線圖：程序運(yùn)行結(jié)果：計(jì)算機(jī)與通信綜合實(shí)驗(yàn)軟件實(shí)驗(yàn)學(xué)號(hào)是2014302540218，(學(xué)號(hào)尾數(shù) Mod 4) + 1=1。實(shí)驗(yàn)?zāi)康模壕帉?xiě)一段程序，已知長(zhǎng)度為20的BUF1中有20個(gè)無(wú)符號(hào)數(shù)，將其中的數(shù)據(jù)依次取出并乘3，如果出現(xiàn)溢出，則將溢出的部分去掉保留尾數(shù)，逆序存放在BUF2中。實(shí)驗(yàn)源代碼：BUF1 DB 100,95,90,85,80,75,70,65,60,55,50,45,40,35,30,25,20,15,10,5 BUF2 DB 20 DUP(?) LEA SI, BUF1LEA DI, BUF2MOV CL, 20 NEXT1: MOV AL, SIMOV BL, 3MUL BL MOV DI+19, ALINC SIDEC DILOOP NEXT1HLT源代碼界面：運(yùn)行結(jié)果：BUF1中存儲(chǔ)的數(shù)據(jù)是：10