我這里有一個與你說的類似的程序，它是用外部中斷來切換點陣顯示的程序，你自己看看，學習學習，再變成你自己的程序吧。
#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int //宏定義
sbit KEY=P3^4; //定義畫面切換按鍵，可以不定義，外部中斷會自己認的
uchar KY;
uchar disp;
uchar pic=0,num=0; //pic為按鍵次數；num為中斷次數
uchar code love[] = {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFE,0x3F,0x00,0x20,0x00,0x20,0x00,0x20,
0x00,0x20,0x00,0x20,0x00,0x20,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0xF8,0x0F,
0x04,0x10,0x02,0x20,0x02,0x20,0x02,0x20,0x02,0x20,0x04,0x10,0xF8,0x0F,0x00,0x00,
0x00,0x00,0x00,0x00,0xFE,0x07,0x00,0x08,0x00,0x10,0x00,0x20,0x00,0x20,0x00,0x10,
0x00,0x08,0xFE,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0xFE,0x3F,0x82,0x20,0x82,0x20,
0x82,0x20,0x82,0x20,0x82,0x20,0x82,0x20,0x82,0x20,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*LOVE*/
};
uchar code loveyou[] = {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x78,0x00,0xFC,0x00,0xFE,0x01,0xFE,0x03,0xFE,0x07,0xFE,0x0F,0xFE,0x1F,0xFC,0x3F,
0xF8,0x7F,0xFC,0x3F,0xFE,0x1F,0xFE,0x0F,0xFE,0x07,0xFE,0x03,0xFE,0x01,0xFC,0x00,
0x78,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00/*心形圖案*/
};
uchar code hehe[] = {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x01,0x40,0x01,0xC0,0x01,0x00,0x00,0x00,0x00,
0xF0,0x0F,0x08,0x10,0x04,0x20,0x00,0x00,0x00,0x00,0xF0,0x3F,0x08,0x00,0x04,0x00,
0x04,0x00,0x04,0x00,0x08,0x00,0xF0,0x3F,0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x20,
0x00,0x20,0x00,0x20,0x00,0x20,0x00,0x00,0x00,0x00,0xF0,0x3F,0x08,0x00,0x04,0x00,
0x04,0x00,0x04,0x00,0x08,0x00,0xF0,0x3F,0x00,0x00,0x00,0x00,0x04,0x20,0x08,0x10,
0xF0,0x0F,0x00,0x00,0x00,0x00,0xC0,0x01,0x40,0x01,0xC0,0x01,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00/*呵呵o(∩_∩)o圖案*/
};
unsigned char code hanzi[] = {
0x80,0x40,0x40,0x40,0x30,0x42,0x1E,0x42,0x10,0x42,0x10,0x42,0x10,0x42,0xFF,0x7F,
0x10,0x42,0x10,0x42,0x10,0x42,0x10,0x42,0x10,0x42,0x10,0x40,0x00,0x40,0x00,0x00,/*"生",0*/
/* (16 X 16 , 宋體 ) */
0x00,0x00,0x00,0x00,0x00,0x00,0xFE,0xFF,0x82,0x40,0x82,0x40,0x82,0x40,0x82,0x40,
0x82,0x40,0x82,0x40,0x82,0x40,0xFE,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*"日",1*/
/* (16 X 16 , 宋體 ) */
0x00,0x01,0xE0,0x00,0x00,0x00,0xFF,0xFF,0x10,0x00,0x20,0x81,0x08,0x41,0x08,0x31,
0x08,0x0D,0xFF,0x03,0x08,0x0D,0x08,0x31,0xF8,0x41,0x00,0x81,0x00,0x81,0x00,0x00,/*"快",2*/
/* (16 X 16 , 宋體 ) */
0x00,0x00,0x00,0x20,0xE0,0x10,0x9C,0x08,0x84,0x06,0x84,0x40,0x84,0x80,0xF4,0x7F,
0x82,0x00,0x82,0x00,0x83,0x02,0x82,0x04,0x80,0x08,0x80,0x30,0x00,0x00,0x00,0x00,/*"樂",3*/
/* (16 X 16 , 宋體 ) */
0x20,0x00,0x24,0x08,0x24,0x48,0x24,0x84,0xFE,0x7F,0x23,0x02,0x22,0x41,0x20,0x40,
0x20,0x20,0xFF,0x13,0x20,0x0C,0x22,0x14,0x2C,0x22,0xA0,0x41,0x20,0xF8,0x00,0x00,/*"我",4*/
/* (16 X 16 , 宋體 ) */
0x80,0x00,0x64,0x41,0x2C,0x21,0x34,0x91,0x24,0x89,0x24,0x87,0xEC,0x4D,0x32,0x55,
0x22,0x25,0x22,0x25,0x32,0x55,0x2E,0x4D,0x23,0x81,0xA2,0x80,0x60,0x80,0x00,0x00,/*"愛",5*/
/* (16 X 16 , 宋體 ) */
0x00,0x01,0x80,0x00,0x60,0x00,0xF8,0xFF,0x07,0x00,0x40,0x10,0x20,0x0C,0x18,0x03,
0x0F,0x40,0x08,0x80,0xC8,0x7F,0x08,0x00,0x08,0x01,0x28,0x06,0x18,0x18,0x00,0x00,/*"你",6*/
/* (16 X 16 , 宋體 ) */
0x00,0x00,0x00,0x00,0x00,0x00,0xFE,0x33,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*"！",7*/
/* (16 X 16 , 宋體 ) */
}; //漢字編碼
/********顯示編碼END*******************/
/**********函數聲明******************/
void display1(void); //顯示漢字子函數
void display2(void); //顯示LOVE圖案子函數
void display3(void); //顯示心形圖案子函數
void display4(void); //顯示笑臉圖案子函數
/*********n（us）延時子程序***********/
void DelayUs(uint M)
{
uint x;
for(x=0;x<=M;x++);
}
/**********INT0中斷服務程序***********/
void intersvr0(void) interrupt 0 using 1
{
KY=~KY; //每個搖動來回水銀開關會在擺幅兩端分別產生下降沿中斷，只提取其中一次（從左向右搖才顯示）
if(KY==0)
{
num++; //計算中斷次數
switch(pic) //選擇畫面
{
case 0:
display1();break;
case 1:
display2();break;
case 2:
display3();break;
case 3:
display4();break;
default:
display1();
}
}
}
/*********顯示子程序1（漢字）*********/
void display1(void)
{
uchar i;
if(num>10)
{
disp++;
num=0;
} //12個漢字分為3次顯示完（每次顯示4個），每中斷10次切換
if(disp>=2)
disp=0;
DelayUs(3400); //此處延時時間依各硬件差別而各不相同，試著調整使得顯示內容居中即可
for(i=0;i<64;i++)
{
P1=~hanzi[disp*128+i*2];
P2=~hanzi[disp*128+i*2+1];
DelayUs(95);
P2=0xff;
P1=0xff;
}
}
/***********顯示子程序2（LOVE）********/
void display2(void)
{
uchar i;
DelayUs(2000);
for(i=0;i<64;i++)
{
P1=~love[i*2];
P2=~love[i*2+1];
DelayUs(130);
}
}
/*******顯示子程序3（心形圖案）*******/
void display3(void)
{
uchar i;
DelayUs(1100);
for(i=0;i<64;i++)
{
P1=~loveyou[i*2];
P2=~loveyou[i*2+1];
DelayUs(200);
}
}
/********顯示子程序4（呵呵o(∩_∩)o圖案）********/
void display4(void)
{
uchar i;
DelayUs(2500);
for(i=0;i<64;i++)
{
P1=~hehe[i*2];
P2=~hehe[i*2+1];
DelayUs(120);
}
}
/*****主函數*****/
void main(void)
{
IT0=1;
EX0=1;
EA=1; //開中斷，下降沿中斷
KY=0;
while(1) //主程序中只檢測按鍵
{
if(KEY==0) //畫面切換鍵按下
{
DelayUs(10000); //按鍵去抖
if(KEY==0);
pic++;
if(pic>3)pic=0;
while(KEY==0);
}
}
}
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