单片机电子钟程序答:dot1:jnc dsp1 orl 73h,#10h ;dot1:cjne r3,#11,dsp1 ;anl 73h,#0efhdsp1:mov a,r2 ;cpl a mov p2,a mov a,@r0dsp2:mov dptr,#bcd movc a,@a+dptr mov p0,a acall delay mov a,r2 rl a mov r2,a inc r0 djnz r5,dsp1 anl 73h,#0efh pop acc retclosedisp:; 关显示 acall ...