//my firsr 8x8 dot_matrix display test 25-12-2022
#define DELAY 1000
void setup() {
  // put your setup code here, to run once:
   volatile char *dirf,*dirk;
    volatile char *outf,*outk;
    volatile long i,j;
    volatile char onedir[]={0x3f,0x00,0xfc,0xfc,},twodir[]={0x7f,0x8f,0xf7,0xf9,0xfe};
    volatile char onedata[]={0x60,0x18,0x60,0x06},twodata[]={0x3c,0x04,0x3c,0x20,0x3c};
    dirf = 0x30; dirk = 0x107;
   *dirf = 0xff; *dirk = 0xff;
    outf= 0x31; outk = 0x108;
      while(1)
      {   
         *outf=twodata[0];    
         *outk=twodir[0];
         for(j=0;j<DELAY;j++);
         *outk=0xFF;
         for(j=0;j<DELAY;j++);         
         *outf=twodata[1];
         *outk=twodir[1];
         for(j=0;j<DELAY;j++);
         *outk=0xFF;
         *outf=twodata[2];
         *outk=twodir[2];
         for(j=0;j<DELAY;j++);
         *outk=0xFF;
         *outf=twodata[3];
         *outk=twodir[3];
         for(j=0;j<DELAY;j++);
         *outk=0xFF;
         *outf=twodata[4];
         *outk=twodir[4];
         for(j=0;j<DELAY;j++);
         *outk=0xFF;
      }
    
}

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

}