.include "m32def.inc"


; redefinirea registrilor
 .def flags = r2
 .def tmpL  = r16
 .def tmpH  = r17
 .def cntL  = r26
 .def cntH  = r27
  

.cseg	; segmentul de cod 
.org	0x0000
	rjmp	RESET	; Salt neconditionat

.org	INT0addr	; External Interrupt0 Vector Address
	rjmp INCREMENT

.org	INT1addr	; External Interrupt1 Vector Address
	
	rjmp DECREMENT

.org	INT2addr	; External Interrupt2 Vector Address
	reti
.org	OC2addr	    ; Output Compare2 Interrupt Vector Address
	reti 
.org	OVF2addr	; Overflow2 Interrupt Vector Address
	reti
.org	ICP1addr	; Input Capture1 Interrupt Vector Address
	reti
.org	OC1Aaddr	; Output Compare1A Interrupt Vector Address
	reti
.org	OC1Baddr	; Output Compare1B Interrupt Vector Address
	reti
.org	OVF1addr	; Overflow1 Interrupt Vector Address
	reti
.org	OC0addr	    ; Output Compare0 Interrupt Vector Address
	reti
.org	OVF0addr	; Overflow0 Interrupt Vector Address
	reti
.org	SPIaddr	     ; SPI Interrupt Vector Address
	reti
.org	URXCaddr	; USART Receive Complete Interrupt Vector Address
	reti
.org	UDREaddr	; USART Data Register Empty Interrupt Vector Address
	reti
.org	UTXCaddr	; USART Transmit Complete Interrupt Vector Address
	reti
.org	ADCCaddr	; ADC Interrupt Vector Address
	reti
.org	ERDYaddr	; EEPROM Interrupt Vector Address
	reti
.org	ACIaddr 	; Analog Comparator Interrupt Vector Address
	reti
.org    TWIaddr   ; Irq. vector address for Two-Wire Interface
	reti
.org	SPMRaddr	; Store Program Memory Ready Interrupt Vector Address
	reti

//---------------------------------------------------------------
INCREMENT:    ;Subrutina de prelucrare a intreruperii
 		; comenzi pentru subruta data
		in flags, SREG

		ADIW cntL,1
		out PORTB, cntL
		out PORTC, cntH
	
		out SREG, flags
	 reti
	 //---------------------------------------------------------------
DECREMENT:    ;Subrutina de prelucrare a intreruperii
 		; comenzi pentru subruta data
		in flags, SREG
		SBIW cntL,1
		out PORTB, cntL
		out PORTC, cntH
		out SREG, flags
	 reti



; Programul principal
//--------------------------------------------------------------	 
RESET:	 
     ldi temp, Low(RAMEND) 	; initializam stiva
	 out SPL, temp
	 ldi temp, High(RAMEND) 
	 out SPH, temp
 
	 CLR temp				;resetam temp
	 out DDRA, temp		; Setam ca intrare PORTA 	
	 out DDRD, temp			; Setam ca intrare PORTD


	 SER temp
	 out DDRB, temp		; Setam ca iesire PORTB
	 out DDRC, temp			; Setam ca iesire PORTC

	ldi temp, (0<<ISC11)|(0<<ISC10)|(0<<ISC01)|	(1<<ISC00)
	out MCUCR, temp
	ldi temp, (1<<INT0)|(1<<INT1)
	out GICR, temp
	CLR cntL
	CLR cntH
	SEI					;setam bitul de vaidare a intreruperilor
 MAIN: ; programul principal
   

	nop
  	nop
  	nop
  	nop
  	nop
  	nop
  	nop
  	nop
  	nop
  	nop
  	nop
  
	RJMP MAIN