nokia7110 LCD display Chinese characters

As for the lines that appear in the lower right corner of the screen, it may be a bug in proteus

The procedure is as follows

#include
#include "stdio.h"
#define uchar unsigned char 
#define uint unsigned int

#define CLR_CS PORTD&=~(1<<0)
#define SET_CS PORTD|=(1<<0)

#define CLR_DC PORTD&=~(1<<1) //low for Control data high for Display data
#define SET_DC PORTD|=(1<<1)

#define CLR_RESET PORTD&=~(1<<2)
#define SET_RESET PORTD|=(1<<2)

uchar HZ[][32]={{0xFF,0xBF,0x4D,0x69,0x65,0x6D,0x09,0x65,0x6C,0x6E,0x66,0x68,0x6E,0x6F,0xCF,0xFF,0xBF,0xDF,0x5F,0x6F, 0xB3,0xB8,0xD5,0xD5,0xED,0xE5,0xD9,0xDD,0xBF,0x3F,0xBF,0xFF},/*"爱",0*/

{0xDF,0xDF,0xDD,0xDD,0x01,0xDE,0xDE,0xDF,0xDF,0x00,0xDF,0xDD,0x53,0xDF,0xDF,0xFF,0xFB,0xFB,0xBD,0x7D,0x80,0xFE,0xFE,0xEF,0xEF,0xF7,0xF8,0xE5,0xDE,0xBF,0x0F,0xFF},/*"我",1*/

{0xFF,0xFF,0x03,0xF7,0xF7,0xF7,0xF7,0x00,0xF7,0xF7,0xF7,0xF7,0x03,0xF7,0xFF,0xFF,0xFF,0xFF,0xF8,0xFD,0xFD,0xFD,0xFD,0x00,0xFD ,0xFD,0xFD,0xFD,0xF8,0xFF,0xFF,0xFF},/*"中",2*/

{0xDF,0xEF,0xF7,0x03,0xFC,0xFD,0xEF,0xEF,0x80,0x77,0x77,0x7B,0x79,0x1B,0xFF,0xFF,0xFF,0xFB,0xFB,0xFA,0xFB,0xFB,0xFB,0x00,0xFB ,0xFB,0xFB,0xFB,0xFB,0xFB,0xFB,0xFF},/*"华",3*/

{0xDF,0xDF,0xDD,0xDD,0x01,0xDE,0xDE,0xDF,0xDF,0x00,0xDF,0xDD,0x53,0xDF,0xDF,0xFF,0xFB,0xFB,0xBD,0x7D,0x80,0xFE,0xFE,0xEF,0xEF,0xF7,0xF8,0xE5,0xDE,0xBF,0x0F,0xFF},/*"我",4*/

{0xFF,0x07,0x73,0x74,0x77,0x07,0xBF,0xCF,0x70,0xF7,0xF7,0xF7,0x07,0xFF,0xFF,0xFF,0x80,0xEF,0xEF,0xEF,0xC0,0xFF,0xFF,0xFF,0xFC,0xD9,0xBF,0xDF,0xE0,0xFF,0xFF},/*"的",5*/

{0xFF,0xE7,0xFB,0xEB,0x6B,0x6B,0x2A,0x49,0xEB,0xEB,0x6B,0xFB,0xEB,0xF3,0xFB,0xFF,0xFF,0xD6,0xD6,0xEA,0xEB,0xB5,0x76,0xBB,0xC0 ,0xF9,0xF6,0xF6,0xEF,0xCF,0xEF,0xFF}};

/************************************************ *********
               Global Variable
*************************************** *******************/

uchar page;
uchar x,y;
uchar char_row;
uchar charpos;
uchar chardata;

void nokia_write_dorc(uchar bytefornokia);
void nokia_write_command(uchar bytefornokia_command);
void nokia_write_data(uchar bytefornokia_data);
void nokia_gotoxy(uchar xnokia, uchar ynokia);
void lcdpixel(uchar x, uchar y,uchar d);
void lcd_chr(uchar chars el) ;

void delay_ms(uint t)
{
   uint i,j;
    for(i=0;i    for(j=0;j<100;j++);
}

void SPI_init()
{
   DDRB|=(1<<5)|(1<<7);//MOSI SCK OUTPUT
   SPCR=(0<<7)|(1<<6)|(0<<5)| (1<<4)|(0<<3)|(0<<2)|(0<<1)|(1);
}

void SPI_sendB(uchar d)
{
    /* Start data transfer*/
   SPDR = d;
   /* Wait for the transfer to end*/
   while(!(SPSR & (1< }

/************************************************ *******
              Nokia clear LCD function
*************************************** *****************/
void nokia_cls() {
   for (page=0; page<9; page++) // 9 page
      {
         nokia_write_command(0xB0 | page); // page address ie:0xB0,0xB1,...,0xB7
         nokia_write_command(0x11); // most 4 bit column address command 0001 0011
         nokia_write_command(0x02); // least 4 bit column address command 0000 0011
         for (x=96; x> 0; x--) // 96 column
            nokia_write_data(0x00);
      }
}
/******************************** ****************************
               Reset LCD Function
********************* *************************************/
void nokia_reset() 
{
   SET_RESET; //1
   delay_ms(10); 
   CLR_RESET; //0
   delay_ms(10);
   SET_RESET; //1
   delay_ms(100);
}

/************************************************ *********
               Initial LCD Function
*************************************** ********************/
void nokia_init() {
   nokia_reset();
   nokia_write_command(0xA6); // lcd in normal display mode (0xA7 negative mode)
   nokia_write_command(0xA3 ); // lcd bias (1/9 0xA2 - 1/7 0xA3)
   nokia_write_command(0xA1); // (0xA1 reverse lcd - 0xA0 select normal)
   nokia_write_command(0xC0); // common output normal (0xC8 reverse )
   nokia_write_command(0x22); // V5 resistor ratio
   nokia_write_command(0x81); // electronic volume mode
   nokia_write_command(0x2E); // power control set value (contrast level --> 0x00 lightest to 0x3F darkest)
   nokia_write_command(0x2F); // power control set value
   nokia_write_command(0xE3); // nop
   nokia_write_command(0x40); // start line set
   nokia_write_command(0xAF); // lcd on
   nokia_write_command(0xA5); // lcd all points on
   delay_ms(500);
   nokia_write_command(0xAE); // lcd off
   nokia_cls();
   nokia_write_command(0xAF); // lcd on
   nokia_write_command(0xA4); // lcd normal display mode
}

/************************************************ *********
               sent 8 bit data to LCD by series
********************************* *************************/
void nokia_write_dorc(uchar bytefornokia)

{ 
SPI_sendB(bytefornokia);

}

/************************************************ *********
              Sent Command to LCD Function
************************************ ************************/
void nokia_write_command(uchar bytefornokia_command) 
{
   CLR_DC; // lcd command mode
   CLR_CS; // chip enabled
   nokia_write_dorc(bytefornokia_command);
   SET_CS; // chip disabled
}

/************************************************ *********
               Sent Data to LCD Function
************************************ ************************/
void nokia_write_data(uchar bytefornokia_data) {
   SET_DC; // display data mode
   CLR_CS; // chip enabled
   nokia_write_dorc(bytefornokia_data);
   SET_CS; // chip disabled
}

/************************************************ *********
goto xy position on LCD Function
*********************************** ***********************/
void nokia_gotoxy(uchar lcd_row, uchar lcd_col) 
{ //lcy_row: 0 - 8 (8th column has only 1 line / D0 , lcd_col: 0 -15

char col_addr;
nokia_write_command(0xB0 + lcd_row); // page address set. pg 8-48 in the datasheet.
col_addr = 0x12+(lcd_col); // each font has five columns + 1 blank column. xaddr: 0 - 95 on noki
                  //a 7110. no offset.
//lcd_1st_col=0x12: the first column of display starts here. Weird! the datasheet didn't mention it.
nokia_write_command(0x10 | (col_addr>>4)); // column address 4 most bit set
nokia_write_command(0x0f & col_addr); // column address 4 least bit set
}
/********************************** ***************************
           Xie one byte at xy position
****************** ******************************************/
void lcdpixel(uchar x, uchar y,uchar d) // lower left corner is (0,0) x 0-75 has a bug
            // y 0-63 
{
nokia_gotoxy(x,y);
nokia_write_data(d);

}

void lcd_HZ(uchar x,uchar y,uchar *s)
{
uchar i;
y=y*16;
for(i=0;i<16;i++)
{
   lcdpixel(x,y+i,s[i]);
}
for(i=16;i<32;i++)
{
   lcdpixel(x+1,y+i-16,s[i]);
}
}

void main()
{
uchar i;
    DDRD=0XFF;
SPI_init();
nokia_init();
    

    //lcdpixel(1,0,0xaa);
for(i=0;i<8;i++)
   lcd_HZ(0,i,HZ [i]);

//nokia_write_command(0xa5); //diaplay all points on

//while(1);
}

The font extraction is still done using PCtoLCD2000

################################################ ####################

The "home" above is not displayed

void main()
{
uchar i;
    DDRD=0XFF;
SPI_init();
nokia_init();
    

    //lcdpixel(1,0,0xaa);
for(i=0;i<6;i++)
   lcd_HZ(0,i,HZ [i]);

   lcd_HZ(2,0,HZ[6]);

//nokia_write_command(0xa5); //diaplay all points on

//while(1);
}