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1、#include unsigned char seg10=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90;unsigned char con6=0x1,0x2,0x4,0x8,0x10,0x20;unsigned char mm=0;unsigned char ss=0;unsigned char hh=0;unsigned char count=100;unsigned char TH=01,TM=00,m;sbit S1=P33;sbit S2=P34;sbit S3=P35;sbit S4=P36;sbit S5=P37;sbit S6
2、=P32;sbit bell=P30;main()TMOD=1;TH0=-100008;TL0=-10000; /10 毫秒间隔EA=1;ET0=1;TR0=1;while(1);void isr_time0() interrupt 1 /24 小时 unsigned int i=0,j;unsigned char time6;TH0=-100008;TL0=-10000;count-;if(count=0)count=100;ss+;if(ss=60)ss=0;mm+;if(mm=60)mm=0;hh+;if(hh=24)hh=0;if(S5=0)TH+; /闹钟调时if(S6=0)TM+; /闹钟调分if(hh=TH) unsigned int a,b,y;if(mm=01)m=0; if(mm=TM&ss0)hh-; /时钟减if(hh=0)hh=23;if(S4=0&mm0)mm-; /分钟减if(mm=0) mm=59;time3=hh/10;time2=hh%10; /显示位time1=mm/10;time0=mm%10;for(i=0;i0;j-);
