点阵的动画显示之上下移动

250ms上移

#include <reg52.h>

unsigned char code LedChar[] = 
{
	0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7
};

unsigned char code image[] = 
{
	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0xC3, 0xE7, 0xE7, 0xE7, 0xE7, 0xE7, 0xC3, 0xFF,
	0x99, 0x00, 0x00, 0x00, 0x81, 0xC3, 0xE7, 0xFF,
	0x99, 0x99, 0x99, 0x99, 0x99, 0x81, 0xC3, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
};								 

void main(void)
{
	TMOD = 0x01;//定时器0设置为模式1
	
	TH0 = 0xFC;//设置定时器0的初始值，0.001s
	TL0 = 0x67;	

	EA = 1;//中断总开关使能
	ET0 = 1;//定时器0中断使能

	TR0 = 1;//启动定时器0

	while (1);
}

void interrupt0() interrupt 1
{
	static unsigned char i = 0;
	static unsigned char index = 0;
	static unsigned char tmr = 0;
	
	TH0 = 0xFC;//重新设置定时器0的初始值，0.001s
	TL0 = 0x67;

	if (i > 7)
		i = 0;		
		
	P1 = LedChar[i];
	P0 = image[i + index];
	i++;
	tmr++;

	if (tmr >= 250)//250ms开始移动
	{
		tmr = 0;
		index++;

		if (index >= 32)
			index = 0;
	}
}

250ms下移

#include <reg52.h>

unsigned char code LedChar[] = 
{
	0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7
};

unsigned char code image[] = 
{
	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0xC3, 0xE7, 0xE7, 0xE7, 0xE7, 0xE7, 0xC3, 0xFF,
	0x99, 0x00, 0x00, 0x00, 0x81, 0xC3, 0xE7, 0xFF,
	0x99, 0x99, 0x99, 0x99, 0x99, 0x81, 0xC3, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
};								 

void main(void)
{
	TMOD = 0x01;//定时器0设置为模式1
	
	TH0 = 0xFC;//设置定时器0的初始值，0.001s
	TL0 = 0x67;	

	EA = 1;//中断总开关使能
	ET0 = 1;//定时器0中断使能

	TR0 = 1;//启动定时器0

	while (1);
}

void interrupt0() interrupt 1
{
	static unsigned char i = 0;
	static unsigned char index = 32;
	static unsigned char tmr = 0;
	
	TH0 = 0xFC;//重新设置定时器0的初始值，0.001s
	TL0 = 0x67;

	if (i > 7)
		i = 0;		
		
	P1 = LedChar[i];
	P0 = image[i + index];
	i++;
	tmr++;

	if (tmr >= 250)//250ms开始移动
	{
		tmr = 0;

		if (0 == index)
			index = 32;

		index--;
	}
}