辽宁机电职业技术学院能力目标1.掌握键盘、显示器与单片机的接口技术。2.抢答器的设计、制作、调试和运行。课题2键盘编程的应用课题内容1、抢答器程序12、抢答器程序2.抢答器的硬件电路ORG0000HLJMPSTARTORG0030HSTART:MOVSP,#60HSETBP3.2SETBP0.0SETBP0.1LCALLL1JZSTARTLCALLYS10MSLCALLL1JZSTARTJBP0.0,ONECLRP0.5SJMP$二、动态显示抢答器硬件电路ORG0000HLJMPSTARTORG0030HSTART:MOVSP,#60HSETBP3.2SETBP0.0SETBP0.1LCALLCOMJZSTARTLCALLYS10MSLCALLCOMJZSTARTJBP0.0,NEXTL1:LCALLONELJMPL1TWO:MOV41H,#00HMOV42H,#02HMOV43H,#0AHMOV44H,#0AHMOV45H,#0AHMOV46H,#0AHLCALLDISPRETTRE:MOV41H,#00HMOV42H,#03HMOV43H,#0AHMOV44H,#0AHMOV45H,#0AHMOV46H,#0AHLCALLDISPRET单片机谢谢！