交通燈實(shí)驗(yàn)報(bào)告

華北電力大學(xué)實(shí)驗(yàn)報(bào)告||試驗(yàn)名稱交通燈試驗(yàn)課程名稱微機(jī)原理及應(yīng)用||試驗(yàn)?zāi)康募耙?guī)定1.純熟掌握8255,8253,8259的使用2.使用8255,8253,8259實(shí)現(xiàn)交通燈系統(tǒng)試驗(yàn)設(shè)備Lab6000微機(jī)試驗(yàn)系統(tǒng)試驗(yàn)內(nèi)容交通燈：南北紅燈30S，東西綠燈25秒后黃閃5次共5S。然后東西，南北互換計(jì)時(shí)器：南北計(jì)時(shí)30S，東西計(jì)時(shí)25S后交替特殊狀況按鈕：第一次按下全體紅燈，第二次按下恢復(fù)試驗(yàn)環(huán)節(jié)硬件連接：8086設(shè)置：設(shè)置programloadingsegment為1FFFH，否則非規(guī)范裝入中斷向量后會(huì)導(dǎo)致data內(nèi)的內(nèi)容變化片選信號(hào)：Y0：8000H接8255Y1：9000H未使用Y2：A000H接8253Y3：B000H接74ls27374ls273設(shè)計(jì)：F0~F5接交通燈，重要用來點(diǎn)亮交通燈8253設(shè)計(jì)：初始化輸出1HZ的方波用于計(jì)時(shí)，OUT1接8255PA0口初始化程序：MOVAL,37HMOVDX,X8253ADCDX,06HOUTDX,ALMOVAL,00HMOVDX,X8253OUTDX,ALMOVAL,10HOUTDX,AL;CSH82530MOVAL,77HMOVDX,X8253ADCDX,06HOUTDX,ALMOVAL,00HMOVDX,X8253INCDXINCDXOUTDX,ALMOVAL,10HOUTDX,AL;CSH825318255設(shè)計(jì)：PA入，PB出，PC出，PA用于讀取時(shí)鐘信號(hào)，PB用于輸出數(shù)碼管數(shù)字信號(hào)，PC用于數(shù)碼管選擇信號(hào)初始化程序：X8255EQU8000HMOVAL,90HMOVDX,X8255ADCDX,06HOUTDX,AL;csh8255數(shù)碼管設(shè)計(jì)：8255的PB用于輸出數(shù)碼管數(shù)字信號(hào)，8255的PC用于數(shù)碼管選擇信號(hào)整體程序思緒：交通燈工六個(gè)狀態(tài)分別為，北紅東綠，北紅東黃，北紅東滅，北綠東紅，北黃東紅，北滅東紅。其中黃燈閃5次為5S，故綠燈倒計(jì)時(shí)比紅燈少5秒。為了以便數(shù)碼管輸出，依次將所有狀況都放入DATA中讀取直接使用，這種措施特點(diǎn)是簡樸，不過假如要變化設(shè)計(jì)好的時(shí)間就非常難。DATASEGMENTDENDB33H,2BH,3BH,1EH,1DH,1FH;紅綠，紅黃，紅滅，綠紅，黃紅，滅紅SHU1DB3FH,6FH,7FH,07H,7DH,6DH,66H,4FH,5BH,06H,3FH,6FH,7FH,07H,7DH,6DH,66H,4FH,5BH,06H,3FH,6FH,7FH,07H,7DH,6DH,66H,4FH,5BH,06H,3FH,3FH,3FH,3FH,3FH,3FH;存儲(chǔ)個(gè)位數(shù)字SHU2DB4FH,5BH,5BH,5BH,5BH,5BH,5BH,5BH,5BH,5BH,5BH,06H,06H,06H,06H,06H,06H,06H,06H,06H,06H,3FH,3FH,3FH,3FH,3FH,3FH,3FH,3FH,3FH,3FH,3FH,3FH,3FH,3FH,3FH;存儲(chǔ)十位數(shù)字DATAENDSX8255EQU8000HX8259EQU9000HX8253EQU0A000HXSMGEQU8004HSSMGEQU8002HXDENEQU0B000HCODESEGMENTASSUMECS:CODE,DS:DATADELAYPROCNEARPUSHCXMOVCX,000EHDELA1:LOOPDELA1POPCXRETDELAYENDP；短延遲函數(shù)，用于數(shù)碼管點(diǎn)亮START:；下面程序均為初始化前面已經(jīng)論述PUSHAXPUSHBXPUSHDSMOVAX,0MOVDS,AXMOVBX,02H*4MOVAX,OFFSETINTP1MOV[BX],AXINCBXINCBXMOVAX,SEGINTP1MOV[BX],AX;非規(guī)范裝入中斷POPDSPOPBXPOPAXMOVAX,DATAMOVDS,AXMOVAX,SEGDENMOVDS,AXMOVAL,90HMOVDX,X8255ADCDX,06HOUTDX,AL;csh8255MOVAL,37HMOVDX,X8253ADCDX,06HOUTDX,ALMOVAL,00HMOVDX,X8253OUTDX,ALMOVAL,10HOUTDX,AL;CSH82530MOVAL,77HMOVDX,X8253ADCDX,06HOUTDX,ALMOVAL,00HMOVDX,X8253INCDXINCDXOUTDX,ALMOVAL,10HOUTDX,AL;CSH82531MOVAL,1BHMOVDX,XDENOUTDX,AL;CSH；初始化結(jié)束MOVCX,0000HMOVAH,00HMOVSI,0000HMOVDI,0005H;CSH；初始化要用到的寄存器；用于判斷與否進(jìn)入；用于判斷與否進(jìn)入NMI 判斷AH與否不小于10判斷AH與否不小于10 NAH>=10NAH>=10輸出北輸出北，東紅燈讀取8255，A口數(shù)據(jù)，賦給AH讀取8255，A口數(shù)據(jù) 讀取8255，A口數(shù)據(jù)，賦給AH讀取8255，A口數(shù)據(jù) 點(diǎn)亮數(shù)碼管點(diǎn)亮數(shù)碼管判斷判斷與AH與否相似闡明電平跳轉(zhuǎn)一次，為0.5SCL,CH,自加一闡明闡明電平跳轉(zhuǎn)一次，為0.5SCL,CH,自加一闡明電平跳轉(zhuǎn)一次，為0.5S闡明過去1S，變化數(shù)碼管數(shù)字CH>=2闡明過去1S，變化數(shù)碼管數(shù)字CH>=2 YCL>=60 回到最開始 紅綠燈第一種狀態(tài)CL>=60紅綠燈第一種狀態(tài)CL>=50N Y回到最開始AL為0則AL為0則為滅，為1則為亮黃燈 NCL>=110 YCL>=110N紅綠燈紅綠燈第四個(gè)狀態(tài)回到最開始AL為0則AL為0則為滅，為1則為亮黃燈CL>=120 CL>=120 N令CL=0，回到令CL=0，回到最開始完整主程序MAIN:CMPAH,10HJLGUOMOVAL,1BHMOVDX,XDENOUTDX,ALJMPMAINGUO:MOVDX,X8255INAL,DXMOVAH,ALWUMS:MOVBX,SEGSHU1MOVDS,BXMOVBX,OFFSETSHU1MOVAL,[BX+SI]MOVDX,SSMGOUTDX,ALMOVAL,0DHMOVDX,XSMGOUTDX,ALCALLDELAYMOVDX,XSMGMOVAL,0FHOUTDX,AL;1MOVBX,OFFSETSHU2MOVAL,[BX+SI]MOVDX,SSMGOUTDX,ALMOVAL,0EHMOVDX,XSMGOUTDX,ALCALLDELAYMOVDX,XSMGMOVAL,0FHOUTDX,AL;2MOVBX,OFFSETSHU1MOVAL,[BX+DI]MOVDX,SSMGOUTDX,ALMOVAL,07HMOVDX,XSMGOUTDX,ALCALLDELAYMOVDX,XSMGMOVAL,0FHOUTDX,AL;3MOVBX,OFFSETSHU2MOVAL,[BX+DI]MOVDX,SSMGOUTDX,ALMOVAL,0BHMOVDX,XSMGOUTDX,ALCALLDELAYMOVDX,XSMGMOVAL,0FHOUTDX,AL;4;SHUMAGUANMOVDX,X8255INAL,DXCMPAL,AHJZWUMSINCCLINCCHCMPCL,2JNLSHUMAJMPPAN0SHUMA:MOVCL,0INCSIINCDIPAN0:CMPCH,50JAPAN1MOVBX,OFFSETDENMOVAL,[BX]MOVDX,XDENOUTDX,AL;DENJMPMAINPAN1:CMPCH,60JAPAN3MOVDX,X8255INAL,DXCMPAL,01HJLPAN2MOVBX,OFFSETDENMOVAL,[BX+1]MOVDX,XDENOUTDX,AL;HUANGJMPMAINPAN2:MOVBX,OFFSETDENMOVAL,[BX+2]MOVDX,XDENOUTDX,AL;MIEJMPMAINPAN3:CMPCH,110JAPAN4MOVBX,OFFSETDENMOVAL,[BX+3]MOVDX,XDENOUTDX,AL;DENCMPDI,30JABIANJMPMAINBIAN:MOVSI,0005HMOVDI,0000HJMPMAINPAN4:CMPCH,120JAWANMOVDX,X8255INAL,DXCMPAL,01HJLPAN5MOVBX,OFFSETDENMOVAL,[BX+4]MOVDX,XDENOUTDX,AL;HUANGJMPMAINPAN5:MOVBX,OFFSETDENMOVAL,[BX+5]MOVDX,XDENOUTDX,AL;MIEJMPMAINWAN:MOVCH,0MOVSI,0000HMOVDI,0005HJMPMAIN;主函數(shù)結(jié)束INTP1PROCCMPAH,10H；判斷與否第一次進(jìn)入NMIJLKAIMOVAH,00HJMPCHUQU；不是第一次進(jìn)入另AH=0KAI:MOVAH,10H；