《微机原理与接口技术》课程设计--交通灯系统设计

0H,ALCLIIRET3交通灯主程序设计MY8255_AEQU60HMY8255_BEQU61HMY8255_CEQU62HMY8255_CONEQU63HCODESEGMENTASSUMECS:CODESTART:CLIMOVDX,MY8255_CONMOVAL,82HOUTDX,ALPUSHDS;保存数据段MOVAX,0000HMOVDS,AXMOVAX,OFFSETIRQ7MOVSI,003CHMOV[SI],AXMOVAX,CSMOVSI,003EHMOV[SI],AXPOPDSCLIINAL,21HANDAL,7FHOUT21HZALSTIMOVDX,MY8255_A;放初值MOVAL,003HOUTDX,ALMOVDX,MY8255_C?;MOVAL,OOCHOUTDX,ALCALLDELAYED1;延吋10sMOVBX,6HLI:MOVDX,MY8255_AMOVAL,00000011BOUTDX,ALMOVDX,MY8255_CMOVAL,00001100BOUTDX,ALCALLDELAYED2;跳5sMOVDX,MY8255_AMOVALZ00001111BOUTDX,ALMOVDX,MY8255_CMOVAL,00001100BOUTDX,ALCALLDELAYED2DECBXJNZL1;闪烁5秒MOVDX,MY8255_AMOVAL,00001100BOUTDXZALMOVDX,MY8255_CMOVAL,OOOOOOHBOUTDX,ALCALLDELAYED1MOVBX,6HL2:MOVDX,MY8255AMOVAL,OOOOHOOBOUTDX,ALMOVDX,MY8255_CMOVAL,00000011BOUTDX,ALCALLDELAYED2MOVDX,MY8255_AMOVAL,00001100BOUTDX,ALMOVDX,MY8255_C