内容简介:sbit key2=P1^1;sbit led=P1^4;void t0isr() interrupt 1 { TH0=(65536-10000)/256;TL0=(65536-10000)%256;cnt++;if(cnt>=speed){ cnt=0;led=~led;} } main(){ uchar keyval;TMOD=0x01;TH0=(65536- define led...
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