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1、;AT89C2051风扇定时阵风控制器源程序(三位数)显示OK！！;p3.2=阵风设置开关;硬件:P3.0=-1键、P3.1=功能键、P3.5=个位显示、;P3.4=十位显示、P3.3=百位显示、P3.7=输出端org0000hajmpmainnoporg01bhajmpdszdljmp0000hnopnopajmp0000horg30hmain:mov40h,#00hmov41h,#00hmov42h,#00h;个位显示数据mov43h,#00h;十位显示数据mov44h,#06h;佰位显示数据mov45h,#00hmov46h,#00hmov4ah,#
2、09hmov4bh,#09hmov4ch,#09hmovr5,#00hncaequ48hsetbp3.0setbp3.1setbp3.2movsp,#50hmovtmod,#10hmovie,#88hmovtl1,#37hmovth1,#70hsetbtr1clrp3.7clrncanopnopdisp:;动态显示movdptr,#tabclrp3.4clrp3.3mova,42hmovca,@a+dptranlp1,#01horlp1,ajbnca,xsz1setbp3.5lcallms10acallkeyclrp3.5clrp3.3mova,43hmo
3、vca,@a+dptranlp1,#01horlp1,ajbnca,xsz2setbp3.4lcallms10acallkeyclrp3.5clrp3.4mova,44hmovca,@a+dptranlp1,#01horlp1,ajbnca,xsz3setbp3.3lcallms10ajmpdispnopnopajmpdispxsz1:cjner5,#01h,xsz2xsa:clrp3.4clrp3.3mova,42hmovca,@a+dptranlp1,#01horlp1,asetbp3.5acallms10acallkeyxsz2:cjner5,#02
4、h,xsz3xsb:clrp3.5clrp3.3mova,43hmovca,@a+dptranlp1,#01horlp1,asetbp3.4acallms10acallkeyxsz3:cjner5,#03h,dispxsc:clrp3.5clrp3.4mova,44hmovca,@a+dptranlp1,#01horlp1,asetbp3.3acallms10acallkeyajmpdispnopnopajmpdispdszd:;定时计数中断子程序clrtr1setbrs0pushpswpushaccmovtl1,#37hmovth1,#70hsetbtr
5、1inc40hmovr0,40hcjner0,#8,timmov40h,#00hcplp1.0jbp3.2,zf0inc46hmovr6,46hcjner6,#30h,t11cplp3.7mov46h,#00hajmpt11zf0:clrp3.7t11:inc41hmovr0,41hcjner0,#60,timmov41h,#00hmovr0,42hcjner0,#00,tiaajmptibtia:dec42hajmptimtib:movr1,43hcjner1,#00,ticajmptidtic:dec43hmov42h,#09hajmptimtid:m
6、ovr2,44hcjner2,#00,tiemovp1,#0ffhsetbp3.7clrp1.0clrtr1mov46h,#00hmov42h,#0ahmov43h,#0ahmov44h,#0ahajmptimtie:dec44hmov43h,#09hmov42h,#09htim:popaccpoppswretinopnopretikey:;-按键扫描处理nopnopacallms10k0:jbp3.1,k1acallms10acallms10acallms10acallms10jnbp3.1,szljmpk1nopnopljmpk1sz:jnbp3.1,
7、$acallms10acallms10setbncasetbp3.7inc45hmovr5,45hk1:cjner5,#01h,k2mov46h,#00hmovie,#00hjbp3.0,fhacallms10acallms10jnbp3.0,ct1k2:cjner5,#02h,k3mov46h,#00hmovie,#00hjbp3.0,fhacallms10acallms10jnbp3.0,ct2k3:cjner5,#03h,k4mov46h,#00hmovie,#00hjbp3.0,fhacallms10acallms10jnbp3.0,ct3k4:c
8、jner5,#04h,fhmovr5,#00hljmpqdnopn
