giúp em code viết cho led matris

[vanhoa09bk]

các bậc tiền bối chỉ dum em doan code dưới này với.
em mới học nên không hiểu. neu em thay doi chu I LOVE YOU thanh tu EM YEU thi viet nhu the nao? chi giup em phan code nay voi.
#include <16f877a.h>
#fuses HS,NOLVP,NOWDT
#use delay(clock=4000000)

#byte portb=0x06
#bit ser=0x06.0
#bit sck=0x06.1
#bit sclr=0x06.2
#bit rck=0x06.3

void out_595(unsigned char so1,unsigned char so2);
void init_595();

char const bangma[]=
{0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0x3c,0x00,0x00,0x3c,0xff,0xff,0xff,0xff, //I
0x00,0x00,0xfc,0xfc,0xfc,0xff,0xff,0xff, //L
0x81,0x00,0x3c,0x3c,0x00,0x81,0xff,0xff, //O
0x03,0x01,0xfc,0xfc,0x01,0x03,0xff,0xff, //V
0x00,0x00,0x24,0x24,0x3c,0xff,0xff,0xff, //E
0x1f,0x0f,0xc0,0xc0,0x0f,0x1f,0xff,0xff, //Y
0x81,0x00,0x3c,0x3c,0x00,0x81,0xff,0xff, //O
0x01,0x00,0xfc,0xfc,0x00,0x01,0xff,0xff, //U
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff
};

char const cot[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};

void main()
{
int i,j,dem,chu1,chu2;
set_tris_b(0x00);//dau vao
set_tris_d(0x00);
init_595();
while(1)
for(j=0;j<=80;j++)
for(dem=0;dem<=4;dem++)
for(i=0;i<=7;i++)
{
output_d(cot[i]);
chu1=bangma[i+j];
chu2=bangma[i+j+8];
out_595(chu2,chu1);
delay_us(500);
}
}

void out_595(unsigned char so1,unsigned char so2)
{
int i;
int16 data;
data=so1;//chu 1
data=(data<<8)+so2;
sclr=1;//xuat du lieu
for(i=1;i<=16;i++)
{
if(data & 0x8000)
ser=1;
else
ser=0;
sck=1;
sck=0;
data=data<<1;
}
rck=1;khi het 16bit
rck=0;
sclr=0;//xoa du lieu
}

void init_595()
{
ser=0;
rck=0;
sck=0;
sclr=1;
}

[vanhoa09bk]

em chưa hieu cach hoat dong cua con ic 74595 lam, nen doc ko hieu

[siri29692]

bạn nào hay xài layout ocard 9.2 chỉ mình cách đục lỗ chân linh kiện với mình mới học đây mà giờ xem lại quên mất tiêu rồi! Cảm ơn nhiều!

[nhu.ta532]

đây là luồng pic mà .sao lại oarcad