; Created: 25.03.2017 23:14:22
; Author: Maksim Vinogradov
;
;-----Ports setup-----
		ldi r16, 0b10000000
		out DDRD, r16
		out PORTD, r16
;-----Waiting for start signal-----
start:	sbis PIND, 3	; Check for sync pulse on the 3rd pin
		rjmp start

;-----Puls formation-----
		
		ldi  r18, 5		; Delay 210 us 
		ldi  r19, 92
delay:	dec  r19
		brne delay
		dec  r18
		brne delay

		ldi r19, 11		; Setup 11 pulses

pulses:	cbi PORTD, 7	; Setup 1 onto the 7th pin
		
		ldi  r18, 13	; Delay 2.6 us
pause1:	dec  r18
		brne pause1

		sbi PORTD, 7	; Setup 0 onto the 7th pin

		ldi  r18, 33	; De;ay 6.5 us
pause2:	dec  r18
		brne pause2

		dec r19
		brne pulses
;-----Waiting for the end of the start signal-----
wait:	sbic PIND, 3	; Check for the end of the sync pulse on the 3rd pin
		rjmp wait
		rjmp start