PIC18F4525 Part 020: Timers as Delay, More! (in C Language) 

// free sample code (copy and paste) T0CON = 0x87; // set TMR0: On, 16 bit, for (;;){ // simple blink program PORTBbits.RB0 = 1; TMR0 =0; while (TMR0 < 7812); PORTBbits.RB0 = 0; TMR0 =0; while (TMR0 < 7812); } }