/********************************************************************
*                                                                 	*
* TX-1C 单片机开发系统演示程序 -12864 图片与文字显示                *
*                                                                 	*
* ST7920控制芯片(汉字库)，串口模式。                            	*
*                                                                 	*
* 工作芯片：STC89C52      晶振频率：11.0592MHz                   	*
*                                                                 	*
* 版本： V1.0 (2009/1/2)                                          	*
* 作者： 郭天祥 (Email: txmcu@163.com)                            	*
* 网站： www.txmcu.com(天祥电子)                               	*
* 邮箱： txmcu@163.com                                           	*
*                                                                 	*
*【版权】Copyright(C)天祥电子 www.txmcu.com  All Rights Reserved *
*【声明】此程序仅用于学习与参考，引用请注明版权和作者信息！         *
*                                                                 	*
/*******************************************************************/


#include <reg51.h>
#include <intrins.h>

#define uchar unsigned char
#define uint  unsigned int

/********** 12864LCD引脚定义 **********/

sbit CS    =  P3^5;	//片选 高电平有效 单片LCD使用时可固定高电平
sbit SID   =  P3^6;	//数据
sbit SCLK  =  P3^4;	//时钟
sbit PSB   =  P3^7;	//低电平时表示用串口驱动，可固定低电平
//sbit RESET =  P2^5;	//LCD复位，LCD模块自带复位电路。可不接

/*********************************************************/

uchar code  DIS1[] = {"    天祥电子   "};
uchar code  DIS2[] = {"www.txmcu.com"};
uchar code  DIS3[] = {"TX-1C 51开发板"};
uchar code  DIS4[] = {"您最好的选择"};

uchar code Photo1[] ={
     0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
      0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
      0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
      0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
      0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x02,
      0x10,0x04,0x00,0x40,0xF1,0x02,0x10,0x01,
      0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x02,
      0xFE,0x0A,0x07,0xFE,0x11,0x07,0xBE,0x01,
      0x83,0xED,0x80,0xF8,0x87,0xBE,0x23,0xC4,
      0x82,0x11,0x04,0x02,0x52,0x89,0x48,0x01,
      0x82,0xA5,0x00,0x81,0x88,0xAA,0x21,0x29,
      0x7C,0x20,0x89,0x24,0x54,0x42,0x00,0x01,
      0x80,0x85,0x00,0x80,0x88,0x08,0x31,0x2E,
      0x00,0xDF,0x60,0xA0,0x5B,0xA2,0x7C,0x01,
      0x80,0x82,0x3E,0xF0,0x86,0x08,0x51,0xC2,
      0xFE,0x00,0x02,0x20,0xF0,0x0F,0xC4,0x01,
      0x80,0x82,0x00,0x08,0x81,0x08,0x51,0x45,
      0x10,0x00,0x01,0x20,0x15,0x42,0x7C,0x01,
      0x80,0x85,0x00,0x08,0x80,0x88,0x79,0x2E,
      0x58,0x3F,0x8F,0xFE,0x35,0x47,0x44,0x01,
      0x80,0x85,0x00,0x88,0x88,0x88,0x49,0x21,
      0x54,0x20,0x80,0x50,0xD5,0x4A,0x7C,0x01,
      0x81,0xCD,0x80,0x71,0xCF,0x1C,0xCF,0xBE,
      0x92,0x20,0x80,0x88,0x10,0x82,0x44,0x01,
      0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
      0x30,0x3F,0x87,0x04,0x6F,0xE2,0x7C,0x01,
      0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
      0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
      0x80,0x03,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
      0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE0,0x01,
      0x80,0x03,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
      0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE0,0x01,
      0x80,0x03,0xFF,0xFB,0x7C,0x00,0x70,0x38,
      0x77,0xFA,0xBF,0xFF,0xFF,0xFF,0xE0,0x01,
      0x80,0x03,0xFF,0xFA,0xFF,0xD7,0xF7,0xBF,
      0x40,0x86,0xDF,0xFF,0xFF,0xFF,0xE0,0x01,
      0x80,0x03,0xFF,0xF6,0x06,0x00,0xF0,0x3B,
      0x5E,0xF6,0xFF,0xFF,0xFF,0xFF,0xE0,0x01,
      0x80,0x03,0xFF,0xE5,0xF6,0xD6,0xF7,0xBB,
      0x40,0x80,0x0F,0xFF,0xFF,0xFF,0xE0,0x01,
      0x80,0x03,0xFF,0xD3,0xBE,0x00,0xF0,0x3B,
      0x5F,0xF6,0xFF,0xFF,0xFF,0xFF,0xE0,0x01,
      0x80,0x03,0xFF,0xF6,0xAF,0xDF,0xFF,0xF8,
      0x40,0xF4,0xDF,0xFF,0xFF,0xFF,0xE0,0x01,
      0x80,0x03,0xFF,0xF6,0xAC,0x00,0x00,0x0F,
      0x4A,0xE2,0xBF,0xFF,0xFF,0xFF,0xE0,0x01,
      0x80,0x03,0xFF,0xF5,0xB7,0xBB,0xED,0xFE,
      0x40,0x97,0x7F,0xFF,0xFF,0xFF,0xE0,0x01,
      0x80,0x03,0xFF,0xF3,0xB7,0x17,0xE4,0x19,
      0x2A,0xF6,0x6F,0xFF,0xFF,0xFF,0xE0,0x01,
      0x80,0x03,0xFF,0xF7,0xBF,0xE3,0xD9,0xFF,
      0x6A,0xF1,0xAD,0xEF,0xBE,0xF7,0xE0,0x01,
      0x80,0x03,0xFF,0xF6,0x3C,0x1C,0xBC,0x0C,
      0x7C,0xC7,0xCF,0xFF,0xFF,0xFF,0xE0,0x01,
      0x80,0x03,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
      0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE0,0x01,
      0x80,0x03,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
      0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE0,0x01,
      0x80,0x03,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
      0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE0,0x01,
      0x80,0x03,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
      0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE0,0x01,
      0x80,0x03,0xAB,0xFF,0xFF,0xFF,0xFF,0xFF,
      0xFF,0xFF,0x87,0xFF,0xF7,0xFF,0xE0,0x01,
      0x80,0x03,0xC7,0xFF,0xFF,0xFF,0xFF,0xFF,
      0xFF,0xFF,0x80,0xFF,0x73,0xFF,0xE0,0x01,
      0x80,0x03,0x00,0xBF,0xFF,0xFF,0xCF,0xFF,
      0xFF,0xFF,0xFE,0xF6,0x33,0xFF,0xE0,0x01,
      0x80,0x03,0xC7,0xFF,0xFF,0xFF,0x1F,0xBF,
      0xFF,0xF3,0xFE,0xE4,0x13,0xFF,0xE0,0x01,
      0x80,0x03,0xA3,0xFF,0xFF,0xFC,0x1C,0x7D,
      0xFF,0xFC,0xFF,0xC0,0x83,0xFF,0xE0,0x01,
      0x80,0x03,0x6D,0xFF,0xFF,0xF0,0x30,0x71,
      0xFD,0xFF,0x3F,0xB9,0xC7,0xFF,0xE0,0x01,
      0x80,0x03,0xEF,0xDF,0x8F,0xE0,0x00,0x43,
      0x7E,0x3F,0xCF,0xF9,0xF7,0xFF,0xE0,0x01,
      0x80,0x03,0xFF,0xEF,0x07,0xC0,0x00,0x02,
      0x5F,0x07,0xE3,0xFB,0xFF,0xBF,0xE0,0x01,
      0x80,0x03,0xEF,0xAE,0x63,0x80,0x00,0xE4,
      0x43,0xC0,0xF0,0xFF,0xFE,0xFF,0xE0,0x01,
      0x80,0x03,0xFF,0xC6,0x93,0x80,0x00,0x10,
      0x40,0x70,0x18,0x7E,0x3E,0x5F,0xE0,0x01,
      0x80,0x03,0xFF,0x46,0x2B,0x00,0x00,0x00,
      0xC0,0x00,0x04,0x3C,0x1E,0x3F,0xE0,0x01,
      0x80,0x03,0xFF,0x82,0x28,0x00,0x00,0x00,
      0xC0,0xE0,0x00,0x18,0xCC,0x6F,0xE0,0x01,
      0x80,0x03,0xFE,0x81,0x10,0x00,0x00,0x01,
      0x41,0x00,0x00,0x19,0x2C,0x5F,0xE0,0x01,
      0x80,0x03,0xFF,0x01,0x80,0x00,0x3F,0x01,
      0x20,0x00,0x00,0x0A,0x88,0x17,0xE0,0x01,
      0x80,0x03,0xFD,0x01,0xC0,0x00,0xFF,0x82,
      0x20,0x00,0x00,0x02,0x88,0x0F,0xE0,0x01,
      0x80,0x03,0xFE,0x03,0xE0,0x00,0x03,0xC4,
      0x10,0x1F,0x80,0x01,0x10,0x07,0xE0,0x01,
      0x80,0x03,0xFA,0x07,0xA0,0x00,0x07,0x08,
      0x11,0x3F,0xE0,0x00,0x3C,0x0F,0xE0,0x01,
      0x80,0x03,0xFC,0x00,0x20,0x00,0x06,0x10,
      0x08,0xF8,0x00,0x00,0x7E,0x0B,0xE0,0x01,
      0x80,0x03,0xF4,0x00,0x40,0x00,0x02,0x20,
      0x04,0x18,0x00,0x00,0x41,0x07,0xE0,0x01,
      0x80,0x03,0xF8,0x07,0x80,0x04,0x4C,0x20,
      0x02,0x1C,0x00,0x00,0x40,0x06,0xE0,0x01,
      0x80,0x03,0xFC,0x18,0x80,0x02,0x20,0x40,
      0x01,0x0C,0x00,0x00,0x40,0x04,0x60,0x01,
      0x80,0x03,0xF4,0x28,0x40,0x05,0x10,0x40,
      0x00,0x88,0x00,0x00,0x60,0x06,0xE0,0x01,
      0x80,0x03,0xE0,0x44,0x40,0x02,0x00,0x40,
      0x00,0x86,0x44,0x00,0x50,0x07,0xE0,0x01,
      0x80,0x03,0xF0,0x42,0x21,0xC0,0x00,0x40,
      0x00,0x40,0x88,0x0F,0x80,0x02,0xE0,0x01,
      0x80,0x03,0xF8,0x82,0x11,0x30,0x00,0x80,
      0x00,0x41,0x14,0x14,0xC4,0x03,0xE0,0x01,
      0x80,0x03,0xD0,0x81,0x0E,0x2E,0x03,0x00,
      0x00,0x40,0x08,0x22,0x22,0x02,0xE0,0x01,
      0x80,0x03,0xF0,0x81,0x00,0x23,0xFC,0x00,
      0x00,0x40,0x00,0x61,0x01,0x01,0xE0,0x01,
      0x80,0x03,0xD8,0x81,0x00,0x22,0x00,0x00,
      0x00,0x20,0x01,0xA1,0x00,0x03,0x60,0x01,
      0x80,0x03,0xF0,0x81,0x00,0x22,0x00,0x00,
      0x00,0x18,0x0E,0x40,0x80,0x81,0xA0,0x01,
      0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
      0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
      0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF
};

/******************************************************************************/
uchar code Photo2[] ={
//海豚戏水

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,
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,
0x00,0x7F,0x00,0x00,0x00,0x03,0xFE,0x00,0x00,0x00,0x00,0x02,0x00,0x76,0x00,0x00,
0x00,0xC3,0xFF,0x00,0x00,0x3F,0xE7,0xE0,0x00,0x00,0x00,0x03,0x00,0xFF,0x80,0x00,
0x00,0x81,0xFF,0xFE,0x00,0x7C,0x03,0xF0,0x00,0x00,0x00,0x01,0xF7,0xCB,0xF8,0x00,
0x01,0x83,0xF8,0x7B,0x00,0x40,0x00,0x30,0x00,0x00,0x00,0x00,0x3F,0xC0,0xF8,0x00,
0x03,0x1E,0x3C,0x01,0x80,0x60,0x00,0x30,0x00,0x00,0x00,0x00,0x01,0x40,0x18,0x00,
0x03,0x30,0x0C,0x01,0xE0,0x6C,0x00,0x70,0x00,0x00,0x00,0x00,0x01,0x7C,0xCC,0x00,
0x03,0x24,0x6F,0x31,0x20,0x7C,0x40,0x60,0x00,0x00,0x00,0x00,0x01,0x97,0xFC,0x00,
0x01,0xBF,0xFB,0xF3,0xE0,0x3F,0xE7,0xC0,0x00,0x00,0x00,0x00,0x01,0xFB,0x1C,0x00,
0x00,0x9B,0xC2,0x1F,0x00,0x00,0x7F,0x80,0x00,0x00,0x00,0x00,0x00,0x0C,0xFE,0x00,
0x00,0xCC,0x36,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xB8,0x00,
0x00,0x7E,0x7E,0x00,0x00,0x00,0x00,0x00,0x1F,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x07,0xE0,0x00,0x00,0x00,0x00,0x00,0x3F,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x38,0x00,0xE0,0x03,0xFF,0xE0,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x1F,0x00,0x00,0x78,0x01,0xC0,0x00,0x00,0x70,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x20,0x80,0x00,0xF8,0x01,0x80,0x00,0x00,0x30,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x2E,0x80,0x00,0xD8,0x03,0x60,0x00,0x01,0xF8,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x2A,0x80,0x00,0x98,0x02,0x60,0x00,0x00,0xC0,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x2E,0x80,0x01,0x98,0x03,0xE0,0xC0,0x00,0x60,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x20,0x83,0xFF,0x8C,0x07,0xE1,0xC8,0x00,0x30,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x1F,0x7F,0x07,0x8C,0x0F,0xFF,0x8C,0x00,0x18,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0xB8,0x0F,0xCC,0x1F,0x83,0x8F,0x00,0x18,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x39,0xC0,0x38,0xFE,0x1E,0x00,0x8F,0xC0,0x0C,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x3B,0x80,0x70,0x1E,0x00,0x00,0xCC,0xF0,0x0C,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x76,0x00,0xC0,0x00,0x00,0x00,0x6E,0x3C,0x06,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x7E,0x01,0x80,0x00,0x00,0x00,0x3F,0x0E,0x06,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0xDC,0x03,0x00,0x00,0x00,0x00,0x1F,0x03,0x82,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0xD8,0x06,0x00,0x00,0x00,0x00,0x00,0x01,0xC2,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0xC0,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0xC2,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x80,0x0C,0x00,0x00,0x00,0x00,0x00,0x00,0x62,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0xC0,0x18,0x00,0x00,0x00,0x00,0x00,0x00,0x66,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0xC0,0x18,0x00,0x00,0x00,0x00,0x00,0x00,0x26,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x80,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x6C,0x00,0x00,0x00,0x00,
0xFF,0xFF,0xFF,0x80,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xEF,0xFF,0xFF,0xFE,0x00,
0x00,0x00,0x01,0x80,0x30,0x00,0x00,0x00,0x00,0x00,0x3F,0xD8,0x00,0x00,0x00,0x00,
0x3E,0x00,0x01,0x80,0x60,0x00,0x00,0x00,0x07,0xE0,0x3D,0xF0,0x01,0xF0,0x0C,0x00,
0xFF,0x80,0x01,0x80,0x6C,0x00,0x00,0x00,0x3E,0xF0,0x2C,0x60,0x07,0xFF,0xFC,0x00,
0x81,0xF8,0x71,0x01,0xDC,0x03,0xFC,0x00,0xF3,0xFF,0x87,0xE0,0x06,0x07,0xE0,0x00,
0x00,0x3F,0xE1,0x03,0xFC,0x0F,0x1F,0x87,0xC2,0x00,0x04,0xE0,0x00,0x00,0x00,0x00,
0x00,0x00,0x03,0x00,0x0C,0x1C,0x03,0xFF,0x00,0x00,0x01,0xE0,0x7F,0x03,0xF0,0x00,
0x00,0x00,0x03,0x00,0x18,0x10,0x00,0x00,0x00,0x00,0x01,0xC1,0xF3,0xF7,0x3C,0x00,
0xFF,0xC0,0x0F,0x02,0x38,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0x80,0x7E,0x0E,0x00,
0xE1,0xFF,0xFF,0x03,0xF0,0x00,0x00,0x00,0x00,0x03,0xF8,0x7C,0x00,0x00,0x02,0x00,
0x00,0x01,0xE3,0x03,0xC0,0x00,0x03,0xFF,0x00,0x0F,0x1F,0xE0,0x00,0x00,0x00,0x00,
0x00,0x00,0x03,0x01,0x00,0x00,0x0F,0x03,0xF0,0x3C,0x00,0x00,0x00,0x00,0x00,0x00,
0x03,0xFC,0x03,0x01,0x0F,0x00,0x0C,0x00,0x7F,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,
0x0F,0x0F,0x8D,0x01,0x3F,0xE0,0x00,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x1C,0x01,0xFD,0x81,0x30,0x7C,0x03,0xC0,0xFE,0x00,0x00,0x00,0x04,0x00,0x00,0x00,
0x18,0x00,0x01,0xBF,0x00,0x0F,0xFF,0x07,0xC7,0xE0,0x00,0x00,0x1C,0x00,0x00,0x00,
0x00,0x00,0x00,0xFF,0x80,0x01,0xF8,0x3E,0x00,0x78,0x0F,0xF0,0x78,0x00,0x00,0x00,
0x00,0x0F,0x00,0x7F,0x83,0x80,0x3F,0xF1,0xF8,0x1E,0x1C,0x7F,0xE0,0x07,0xE0,0x00,
0x00,0x1F,0xE0,0x3F,0xDF,0xFE,0x00,0x07,0x9F,0x83,0xF0,0x00,0x00,0x1C,0x7C,0x00,
0x00,0x78,0x70,0x1F,0xD0,0x07,0xC0,0x3C,0x01,0xF8,0x03,0xC0,0x00,0x18,0x00,0x00,
0xFF,0xE0,0x1F,0x73,0xE0,0x00,0xFF,0xE0,0x00,0x1F,0xFF,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x07,0xE1,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x0F,0x80,0x00,0xE1,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x7F,0xE0,0x00,0x07,0x9E,0x00,0x7F,0xC0,0x60,0x0F,0xC0,0x0F,0x00,0x00,0x00,
0x00,0xE0,0x7C,0x00,0x03,0xF7,0xC7,0xE0,0xFF,0xE0,0x3F,0xFF,0xFC,0x00,0x00,0x00,
0x01,0xC0,0x0F,0x00,0x03,0xBD,0xFE,0xFC,0x00,0x00,0xF0,0x1F,0xF0,0x00,0xC6,0x00,
};

/********************************************************
*                                                       *                                                 
* 延时t毫秒                                             *
* 11.0592MHz时钟，延时约1ms                             *        
*                                                       *
********************************************************/
void delay(uint t)
{                           
   uchar k;
   while(t--)
   {
     for(k=0; k<125; k++)
     { }
   }
}

/*********************************************************
*                                                        *
* 延时函数 200us                                         *
*                                                        *
*********************************************************/
void delay_lcd(int ms)
{
  uchar t;
  while(ms--)
  {
    for(t=0; t<20; t++) ;
  }
}

/*********************************************************
*                                                        *
* 发送一个字节                                           *
*                                                        *
*********************************************************/
void sendbyte(uchar bbyte) 
{
  uchar i;
  for(i=0;i<8;i++)
  {
   SID=bbyte&0x80; //取出最高位
   SCLK=1;
   _nop_();
   _nop_();
   SCLK=0;
   bbyte<<=1; //左移
  }  
}

/*********************************************************
*                                                        *
* 写指令或数据函数                                       *
*                                                        *
*********************************************************/
void write(bit start, uchar ddata) 
{
  uchar start_data,Hdata,Ldata;

  if(start==0)                   //11111,(0),(0),0
   start_data=0xf8;	             //写指令
   else                          //11111,(0),(1),0
   start_data=0xfa;              //写数据
  
  Hdata=ddata&0xf0;		         //取高四位
  Ldata=(ddata<<4)&0xf0;         //取低四位
  sendbyte(start_data);	         //发送起始信号
  delay_lcd(1);                   //延时
  sendbyte(Hdata);	             //发送高四位
  delay_lcd(1);                   //延时
  sendbyte(Ldata);		         //发送低四位
  delay_lcd(1);                   //延时
}

/*********************************************************
*                                                        *
* 初始化LCD                                              *
*                                                        *
*********************************************************/
void lcdinit()	 
{
  delay_lcd(10);      //延时等待LCM进入工作状态
  PSB=0; ;   	      //串口驱动模式

//  RESET=0; 
  delay_lcd(5);
//  RESET=1;           //复位LCD

  CS=1;              //片选 高电平有效

  write(0,0x30);     //基本指令操作
  write(0,0x0c);     //显示打开，光标关，反白关
  write(0,0x01);     //清屏，将DDRAM的地址计数器归零
  write(0,0x06);  
}

/*********************************************************
*                                                        *
* 图形显示                                               *
*                                                        *
*********************************************************/
void photodisplay(uchar *bmp)	
{ 
  uchar i,j;
  write(0,0x34);        //写数据时,关闭图形显示
  for(i=0;i<32;i++)
  {
    write(0,0x80+i);    //先写入水平坐标值
    write(0,0x80);      //写入垂直坐标值
    for(j=0;j<16;j++)   //再写入两个8位元的数据
    write(1,*bmp++);    
    delay_lcd(1);
  }

  for(i=0;i<32;i++)
  { 
    write(0,0x80+i);
    write(0,0x88);
    for(j=0;j<16;j++)
	write(1,*bmp++);
	delay_lcd(1);
  }
  write(0,0x36);       //写完数据,开图形显示 
}


/*********************************************************
*                                                        *
* 主函数                                                 *
*                                                        *
*********************************************************/
void main()
{
   uchar i;
   lcdinit();                  //初始化LCD
   
   while(1)
   {
     photodisplay(Photo1);     //显示图片1
     delay(2000);
     
     write(0,0x30);          //基本指令操作
     write(0,0x01);          //清屏 

     photodisplay(Photo2);     //显示图片2
     delay(2000);

     write(0,0x30);          //基本指令操作
     write(0,0x01);          //清屏 
     
     write(0,0x80); 
     for(i=0;i<16;i++) write(1,DIS1[i]);
     write(0,0x90); 
     for(i=0;i<16;i++) write(1,DIS2[i]);
     write(0,0x88); 
     for(i=0;i<16;i++) write(1,DIS3[i]);
     write(0,0x98); 
     for(i=0;i<16;i++) write(1,DIS4[i]);
     delay(2000);
     write(0,0x01);          //清屏 
   }
}
/*********************************************************/