#include <symvol.h>
#include <stdlib.h>
#include <string.h>


unsigned char
textx,
texty,
curx,
cury,
ch[6];


void WriteCom(unsigned char Com,unsigned char CS)
{
 SetBit(LCD_COM,CS);
 ClrBit(LCD_COM,LCD_RS);
 ClrBit(LCD_COM,LCD_RW);
 NOP();
 NOP();

 LCD_DB=Com;
 SetBit(LCD_COM,LCD_E);
 NOP();
 NOP();

 ClrBit(LCD_COM,LCD_E);
 _delay_us(4);
 ClrBit(LCD_COM,(LCD_CS1+LCD_CS2));
 SetBit(LCD_COM,LCD_E);
}

void WriteData(unsigned char data,unsigned char CS)
{
 SetBit(LCD_COM,CS);
 SetBit(LCD_COM,LCD_RS);
 ClrBit(LCD_COM,LCD_RW);
 NOP();
 NOP();

  LCD_DB=data;
 SetBit(LCD_COM,LCD_E);
NOP();
NOP();

 ClrBit(LCD_COM,LCD_E);
 _delay_us(4);
 ClrBit(LCD_COM,(LCD_CS1+LCD_CS2));
 SetBit(LCD_COM,LCD_E);
}

void WriteXY(unsigned char x,unsigned char y,const unsigned char CS)
{
 WriteCom(0xb8+y,CS);
 WriteCom(0x40+x,CS);
}

void init_lcd(void)
{
   
 SetBit(LCD_COM,LCD_RST);
 _delay_ms(5);
 WriteXY(0,0,(LCD_CS1+LCD_CS2));
 WriteCom(0xc0,(LCD_CS1+LCD_CS2));
 WriteCom(0x3f,(LCD_CS1+LCD_CS2));


}

void clear(void)
{
 unsigned char x,y;
 for(x=0;x<64;x++)
 {
  for(y=0;y<8;y++)
  {
   WriteXY(x,y,(LCD_CS1+LCD_CS2));   
   WriteData(0,(LCD_CS1+LCD_CS2));   
  }
 }
}