.include "tn13Adef.inc"

.def temp = R16
.def rab  = R17
.def ron  = R18
.cseg
.org 0

		rjmp	  RESET 				;Reset Handler
		rjmp	int_isr 				;PCINT0 Handler
		reti 							;IRQ0 Handler

		reti							;Timer0 Overflow Handler
		reti							;EEPROM Ready Handler
		reti							;Analog Comparator Handler
		reti							;Timer0 CompareA Handler
		reti							;Timer0 CompareB Handler
		reti							;Watchdog Interrupt Handler
		rjmp     ACP 					;ADC Conversion Handler



RESET: 	ldi		temp, RAMEND
		out		SPL, temp

		ldi		temp, 0x80
		out		ACSR, temp


        cbi     DDRB, 1  ; knopka VKLYUCHENIYA VYKLYUCHENIYA
		sbi		DDRB, 0
        ldi     temp, 0b00000010 ; vkluchenie rezistorov
        out     PORTB, temp

    	ldi		temp, (1<<INT0) 		;????????? ?????????? PCINT
		out		GIMSK, temp

		ldi		temp, (1<<INT0)		;????? ????????? ?????????? - PB3
		out		PCMSK, temp



        ldi     rab, 0x78   ; zapis nachalnogo chisla SCHIM
        ldi     ron,  0b11111111


		ldi		temp, (1<<SM1)|(1<<SM0)|(0<<ISC01)|(0<<ISC00)
        out		MCUCR, temp
		ldi		temp, (1<<SE)
		out		MCUCR, temp
		sei         ;razreshenie preryvaniy

SL:     SLEEP


UU:     sbrs    ron,  0
        rjmp    TT
        rjmp    UU

TT:     sbrs    ron,  1
        rjmp    SL
        ldi     ron,  0b00000000
		reti



      ; ESLI TIMER VKLUCFHEN TO VYKLUCHAEM ESI VYKLUCHEN TO VKLUCHAEM

int_isr:  in      temp, TCCR0B
		  sbrc    temp, 0     ; esli nol to perehod k VK
		  rjmp    OFF        ; k vyklucheniyu
		  rjmp    VK         ; perehod k vlucheniyu


		 ; VKLYUCHENIE PREOBRAZOVATELYA

VK:		   ldi     temp, 0x00
           out     ADCSRB,  temp  ;nepreryvnoe preobrazovanie
           ldi     temp, (1<<MUX1)|(0<<MUX0)
           out     ADMUX,   temp  ; PB4  podklyu4aem k ACP
           ldi     temp,  (1<<ADATE)|(1<<ADEN)|(1<<ADSC)|(1<<ADIE)
		   out     ADCSRA,  temp


		    ; VKLYUCHENIE TAIMERA

    	   ldi		temp,(1<<COM0A1)|(0<<COM0A0)|(0<<COM0B1)|(0<<COM0B0)|(1<<WGM01)|(1<<WGM00)
		   out		TCCR0A, temp

		   ldi		temp,(0<<FOC0A)|(0<<FOC0B)|(0<<WGM02)|(0<<CS02)|(0<<CS01)|(1<<CS00)
		   out		TCCR0B, temp
  		   ldi        rab, 0x78   ; zapis nachalnogo chisla SCHIM
           out		OCR0A, rab
           ldi     ron,  0xFF
		   reti




           ; VYKLYUCHENIE TAIMERA

OFF:       ldi		temp,(0<<COM0A1)|(0<<COM0A0)|(0<<COM0B1)|(0<<COM0B0)|(0<<WGM01)|(0<<WGM00)
	       out		TCCR0A, temp

           ldi	    temp,(0<<FOC0A)|(0<<FOC0B)|(0<<WGM02)|(0<<CS02)|(0<<CS01)|(0<<CS00)
	       out		TCCR0B, temp
           ;VYKL ACP

           ldi     temp,  (1<<ADATE)|(0<<ADEN)|(0<<ADSC)|(0<<ADIE)
           out     ADCSRA,  temp

           ldi     temp, (1<<INTF0)
           out     GIFR, temp
		   ldi     ron,  0b00000010
		   rjmp     UU




	        ;PRERYVANIE ACP

ACP:       ldi    temp, ADCH
           cpi    temp,  0b00011001
           brlo   DO   ;K uveli4eniyu SHIM
		   breq   stop  ; stop esli konstanta i ADCH ravny
		   rjmp   DO2    ; k UMENSCHENIYU SCHIM

DO:        cpi    rab,  0xFF  ; smotrim est li esche mesto v registre RAB
           breq   stop  ;RAB polnyj togda stop
           ldi    temp,  0b00000001
           ADD     rab,   temp
           out		OCR0A, rab ;zapis novogo chisla SCHIM uvelichenie
           rjmp     stop

DO2:       cpi    rab,   0b00000001 ; ne obnulilsya li sovsem RAB
           breq   stop    ;RAB pustoj togda stop
           ldi    temp,  0b00000001
           SUB     rab,   temp
           out		OCR0A, rab ; zapis novogo chisla SCHIM umenschenie
           rjmp     UU