華北電力大學實驗報告 微機原理及應用MOVDX,X8253ADCDX,06HOUTDX,ALMOVAL,00HMOVDX,X8253OUTDX,ALOUTDX,AL;CSH82530MOVAL,77HMOVDX,X8253ADCDX,06HOUTDX,ALMOVAL,00HMOVDX,X8253OUTDX,ALOUTDX,AL;CSH82531碼管選擇信號化程序：X8255EQU8000HMOVAL,90HMOVDX,X8255ADCDX,06H管設計：序思路：燈工六個狀態分別為，北紅東綠，北紅東黃，北紅東滅，北綠東紅，北黃是簡單，但是如果要改變設計好的時間就非常難。DATASEGMENTDENDB33H,2BH,3BH,1EH,1DH,1FH;紅綠，紅黃，紅滅，綠紅，黃紅，滅紅SHU1DB,07H,7DH,6DH,66H,4FH,5BH,06H,3FH,6FH,7FH,07H,7DH,6DH,66H,43FH,6FH,7FH,07H,7DH,6DH,66H,4FH,5BH,06H,3FH,3FH,3FH,3FH,3FH,3FH;存儲個位數字098765432109876543210987654321000000SHU2DB,5BH,5BH,5BH,5BH,5BH,5BH,5BH,5BH,06H,06H,06H,06H,06H,06H,006H,3FH,3FH,3FH,3FH,3FH,3FH,3FH,3FH,3FH,3FH,3FH,3FH,3FH,3FH,3FH;存儲十位數字322222222221111111111000000000000000DATAENDSX8255EQU8000HX8259EQU9000HX8253EQU0A000HXSMGEQU8004HSSMGEQU8002HXDENEQU0B000HCODESEGMENTASSUMECS:CODE,DS:DATADELAYPROCNEARPUSHMOVCX,000EHDELA1:LOOPDELA1POPDELAYENDP START: PUSHAXPUSHBXPUSHDSMOVAX,0MOVBX,02H*4MOVAX,OFFSETINTP1MOV[BX],AXINCINCMOVAX,SEGINTP1MOV[BX],AX;非規范裝入中斷POPDSPOPBXPOPMOVAX,DATAMOVDS,AXMOVAX,SEGDENMOVDS,AXMOVAL,90HMOVDX,X8255ADCDX,06HOUTDX,AL;csh8255MOVAL,37HMOVDX,X8253ADCDX,06HOUTDX,ALMOVAL,00HMOVDX,X8253OUTDX,ALMOVAL,10HOUTDX,AL;CSH82530MOVAL,77HADCDX,06HOUTDX,ALMOVAL,00HMOVDX,X8253INCINCOUTDX,ALOUTDX,AL;CSH82531MOVAL,1BHMOVDX,XDEN；初始化結束MOVCX,0000HMOVAH,00HMOVSI,0000HMOVDI,0005H;CSH程序流程圖

；用于判斷是否進入NMI Y

回到最開始 N 最開始AL為0則為

Y 最開始AL為0則為主程序

IN:CMPAH,10HJLGUOMOVAL,1BHMOVDX,XDENOUTDX,ALJMPMAINO:MOVDX,X8255INAL,DXMOVAH,ALMS: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;4HUMAGUANMOVDX,X8255INAL,DXCMPAL,AHJZWUMSINCINCCMPCL,2JNLSHUMAJMPPAN0UMA:MOVCL,0INCSIINCDIN0:CMPCH,50JAPAN1MOVBX,OFFSETDENMOVAL,[BX]MOVDX,XDENOUTDX,ALENJMPMAINN1:CMPCH,60JAPAN3MOVDX,X8255INAL,DXCMPAL,01HJLPAN2MOVBX,OFFSETDENMOVAL,[BX+1]MOVDX,XDENOUTDX,ALUANGJMPMAINN2:MOVBX,OFFSETDENMOVAL,[BX+2]MOVDX,XDENOUTDX,ALIEJMPMAINN3:CMPCH,110JAPAN4MOVBX,OFFSETDENMOVAL,[BX+3]MOVDX,XDENOUTDX,ALENCMPDI,30JABIANJMPMAINAN:MOVSI,0005HMOVDI,0000HJMPMAINN4:CMPCH,120JAMOVDX,X8255INAL,DXCMPAL,01HJLPAN5MOVBX,OFFSETDENMOVAL,[BX+4]MOVDX,XDENOUTDX,AL;HUANGJMPMAINN5:MOVBX,OFFSETDENMOVAL,[BX+5]MOVDX,XDENOUTDX,ALIEJMPMAINN:MOVCH,0MOVSI,0000HMOVDI,0005HJMPMAIN;數結束INTP1PROCCM