.include "m16def.inc".EQU F_CPU=1000000.cseg .org 0 ///location 1 - 38 dedicated for interrupt service routines(ISR) rjmp main //Interrupt vector table comes here.org 0x2A main: ldi r16, 0xff out DDRB, r16 //Declaring PORTB as output //Initializing stack pointer ldi r16, high(RAMEND) out SPH, r16 ldi r16, low(RAMEND) out SPL, r16 //Stack pointer initialized loop: //turn on led ldi r16,0b0111111 out DDRC,r16//turns on led call delay call delay call delay call delay call delay call delay ldi r16,0b0000110 out DDRC,r16 call delay call delay call delay call delay ldi r16,0b1011011 out DDRC,r16 call delay call delay call delay call delay call delay call delay ldi r16,0b1001111 out DDRC,r16 call delay call delay call delay call delay ldi r16,0b1100110 out DDRC,r16 call delay call delay call delay call delay call delay call delay ldi r16,0b1101101 out DDRC,r16 call delay call delay call delay call delay call delay call delay ldi r16,0b1111101 out DDRC,r16 call delay call delay call delay call delay call delay call delay ldi r16,0b0000111 out DDRC,r16 call delay call delay call delay call delay ldi r16,0b1111111 out DDRC,r16 call delay call delay call delay call delay call delay call delay ldi r16,0b1101111 out DDRC,r16 call delay call delay call delay call delay call delay call delay rjmp loop delay: ldi r16,255 L1: dec r16 Ldi r17,255 brne L2 ret L2: dec r17 brne L2 rjmp L1