实用简易秒表，仿真文件损坏了只有截图

正文摘要:

#include<reg51.h> unsigned int count=0; unsigned char miao=0; sbit S1=P1^0; sbit S2=P1^1; sbit S3=P1^2; void timer_1()interrupt 3 { TH1=256-250/1; TL1=256-250/1; count++; if(count== ...