stc89c52rc单片机编程按钮1按下led1量5秒，按钮2按下LED2亮5秒，请高人编程

#include#define uchar unsigned charsbit key1=P1^0sbit key2=P1^1;sbit led1=P1^4;sbit led2=P1^5;uchar cnt1,cnt2;void t0isr() interrupt 1{TH0=(65536-50000)/256;TL0=(65536-50000)%256;cnt1++;cnt2++;if(cnt1>=100)led1=1;if(cnt2>=100)led2=1;}main(){TMOD