sbit LCD_RS at RA4_bit;
sbit LCD_EN at RA5_bit;
sbit LCD_D4 at RA0_bit;
sbit LCD_D5 at RA1_bit;
sbit LCD_D6 at RA2_bit;
sbit LCD_D7 at RA3_bit;
sbit LCD_RS_Direction at TRISA4_bit;
sbit LCD_EN_Direction at TRISA5_bit;
sbit LCD_D4_Direction at TRISA0_bit;
sbit LCD_D5_Direction at TRISA1_bit;
sbit LCD_D6_Direction at TRISA2_bit;
sbit LCD_D7_Direction at TRISA3_bit;


const int len = 16;
unsigned int cnt;
char text[20], text2[20];
int pomestuvanje;

void interrupt() {
    if (TMR0IF_bit == 1){
        cnt++;
        TMR0 = 64;
        TMR0IF_bit = 0;
    }

    if (INTF_bit == 1) {                      // if RBO/INT == 1 ?
       INTF_bit = 0;
    }
}

int main() {
    OPTION_REG.PS0 = 1;              // 1:64 prescaler
    OPTION_REG.PS2 = 1;

    INTCON.B7 = 1;                        // GIE = 1
    INTCON.B4 = 1;                        // RBO/INT = 1
    INTCON.B5 = 1;                          //T0IE - TMR0 Overflow Interrupt Enable bit = 1

    C1ON_bit = 0;
    C2ON_bit = 0;

    ANSEL = 0;
    ANSELH = 0;
    Lcd_Init();
    Lcd_Cmd(_LCD_CURSOR_OFF);
    Lcd_Cmd(_LCD_CLEAR);

    TRISB.B0 = 1;        // B0 e vlezen bit
    pomestuvanje = 1;    // pocni od prva pozicija levo
    TMR0 = 64;      // od prescaler do 255
    cnt = 0;

    /// 255 - 64 + 1 = 192
    /// 22 ms = 22/1000
    /// 2 000 000 / (64 * 192) * 22/1000 = 3.5087 ~ 4



    while (1) {
         if (PORTB.B0) {                        // pecati samo ime
           Lcd_Cmd(_LCD_CURSOR_OFF);
           Lcd_Cmd(_LCD_CLEAR);
             while(PORTB.B0){
               strcpy(text,"Gjorgji");
               Lcd_Out(1,1,text);
             }
         } else {                                // ako e prezime resetiraj tajmer
            cnt = 0;
            TMR0 = 64;
            Lcd_Cmd(_LCD_CURSOR_OFF);
            Lcd_Cmd(_LCD_CLEAR);
            strcpy(text,"Kirkov");
            Lcd_Out(2,pomestuvanje,text);          // ispecati go ednas

            do {
               if (pomestuvanje >= 16) {          //
                  pomestuvanje = 1;
               }

               if (cnt>=4){    // pominale 22ms pecati za edna nadesno
                Lcd_Cmd(_LCD_CURSOR_OFF);
                Lcd_Cmd(_LCD_CLEAR);
                strcpy(text,"Kirkov");
                Lcd_Out(2,pomestuvanje,text);
                cnt = 0;
                TMR0 = 64;
                pomestuvanje++;
               }


            } while (PORTB.B0 == 0);
         }
    }

    return 0;
}