微机原理实验8255并行接口与交通灯设计.docx

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1、8255并行接口与交通灯设计状态1：东西路口绿灯亮10s，南北路口红灯亮10s状态2：东西路口绿灯灭，黄灯闪烁5次，期间南北路口红灯保持亮状态3：东西路口黄灯灭，红灯亮10s，南北路口绿灯亮10s状态4：东西路口红灯保持亮，南北路口绿灯灭，黄灯闪烁5次CODESEGMENTASSUMECS:CODESTART:MOVAL,10000000BMOVDX,28BHOUTDX,ALD1:MOVAL,00100100BMOVDX,288HOUTDX,ALCALLDELAY1MOVCX,5D2:MOVAL,0000

2、0100BMOVDX,288HOUTDX,ALCALLDELAY2MOVAL,01000100BMOVDX,288HOUTDX,ALCALLDELAY2LOOPD2D3:MOVAL,10000001BMOVDX,288HOUTDX,ALCALLDELAY1MOVCX,5D4:MOVAL,10000000BMOVDX,288HOUTDX,ALCALLDELAY2MOVAL,10000010BMOVDX,288HOUTDX,ALCALLDELAY2LOOPD4JMPD1DELAY1PROCNEARPUSHCX

3、PUSHDIMOVCX,2000Y1:MOVDI,9000X1:DECDIJNZX1LOOPY1POPDIPOPCXRETDELAY1ENDPDELAY2PROCNEARPUSHCXPUSHDIMOVCX,200Y2:MOVDI,9000X2:DECDIJNZX1LOOPY1POPDIPOPCXRETDELAY2ENDPCODEENDSENDSTART