void main()
{
init(); //初始化24C02
led=1;
led3=0;
led1=read24c02(2);
if(!s4)
write24c02(2,1);
num1=read24c02(0); //用地址0单元存储num十六进制表示时的低两位
num2=read24c02(1); //用地址0单元存储num十六进制表示时的高两位
num=num2*256+num1;
num++;
num2=num/256;
num1=num%256;
write24c02(0,num1);
write24c02(1,num2);
if(!s3)
{ led1=0;
write24c02(2,0);
num=0;
num2=num/256;
num1=num%256;
write24c02(0,num1);
write24c02(1,num2);
}
num1a=read24c02(3); //用地址0单元存储num十六进制表示时的低两位
num2a=read24c02(4); //用地址0单元存储num十六进制表示时的高两位
numa=num2a*256+num1a;
num2a=numa/256;
num1a=numa%256;
write24c02(3,num1a);
write24c02(4,num2a);
if(num>numa)
{led2=0;
led3=1;}
while(num>numa);
while(1)
{
/*
if(num>300)
led=0;
else
led=1; */
while(num>numa);
if(!s5)
{
numa++;
num2a=numa/256;
num1a=numa%256;
write24c02(3,num1a);
write24c02(4,num2a);
}
if(!s2)
{
num++;
num2=num/256;
num1=num%256;
write24c02(0,num1);
write24c02(1,num2);
}
if(!s6)
{
numa--;
num2a=numa/256;
num1a=numa%256;
write24c02(3,num1a);
write24c02(4,num2a);
}
display(num);
display1(numa);
}
}
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