//my firsr 8x8 dot_matrix display test 25-12-2022
// Right WELCOME
#define DELAY 90000
void setup() {
  // put your setup code here, to run once:
   volatile char *dirf,*dirk;
    volatile char *outf,*outk;
    volatile long i,j;
   
    dirf = 0x30; dirk = 0x107;
   *dirf = 0xff; *dirk = 0xff;
    outf= 0x31; outk = 0x108;
     
     while(1)
     {
       *outk=0xC1;
       *outf=0x01;
       for(j=0;j<DELAY;j++);
        *outk=0xC1;
       *outf=0x02;
       for(j=0;j<DELAY;j++);
        *outk=0xFB;
       *outf=0x01;
       for(j=0;j<DELAY;j++);
       *outk=0xC1;
       *outf=0x04;
       for(j=0;j<DELAY;j++);
        *outk=0xFB;
       *outf=0x02;
       for(j=0;j<DELAY;j++);
       *outk=0xC1;
       *outf=0x01;
       for(j=0;j<DELAY;j++);
       
       
       
        
     }
      
    
}

void loop() {
  // put your main code here, to run repeatedly:

}