void delayms(uint z)
{
???? uchar i;
???? while(z--)
??????? for(i=0;i<250;i++)
??????? {
???????????? _NOP();_NOP();_NOP();_NOP();
??????? }
}

void write_command(uchar cmd)
{
???? RS_L;
???? RW_L;
???? EN_L;
???? P4OUT=cmd;
???? delayms(1);
???? EN_H;
???? delayms(1);
???? EN_L;
}

void write_data(uchar dat)
{
???? RS_H;
???? RW_L;
???? EN_L;
???? P4OUT=dat;
???? delayms(1);
???? EN_H;
???? delayms(1);
???? EN_L;
}

void LCD_Init(void)
{
???? P4DIR=0xff;
???? P5DIR=0x0f;
???? PSB_H;
???? write_command(0x30);delayms(5);
???? write_command(0x0c);delayms(5);
???? write_command(0x01);delayms(5);
???? write_command(0x06);delayms(5);
}

void set_pos(uchar addr,uchar x)
{
???? x&=0x07;
???? write_command(addr+x);
}

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