.nolist                     ;List der Include-Datei unterdrücken
.include "m8def.inc"        ;Hardwaredefinitionen einbinden
.list                       ;Programm listen
.listmac                    ;Makros listen
.equ clock=14745600           ;Taktfrequenz des AVR

;USART Baudrate 
.equ BAUD = 57600












.def null        =r2                ;immer Null

 

.def wl=r24                  
.def wh=r25                   




.cseg
.org	0
; hier geht das Programm los
; Interrupt-Vektoren
;
 rjmp reset         ;Reset Handler
 reti; rjmp EXT_INT0      ;IRQ0 Handler
 reti; rjmp EXT_INT1      ;IRQ1 Handler
 reti; rjmp TIM2_COMP     ;Timer2 Compare Handler
 reti; rjmp TIM2_OVF      ;Timer2 Overflow Handler
 reti; rjmp TIM1_CAPT     ;Timer1 Capture Handler
 rjmp TIM1_COMPA    ;Timer1 CompareA Handler
 reti; rjmp TIM1_COMPB    ;Timer1 CompareB Handler
 reti; rjmp TIM1_OVF      ;Timer1 Overflow Handler
 reti; rjmp TIM0_OVF      ;Timer0 Overflow Handler
 reti; rjmp SPI_STC       ;SPI Transfer Complete Handler
 reti; rjmp USART_RXC     ;USART RX Complete Handler
 reti; rjmp USART_UDRE    ;UDR Empty Handler
 reti; rjmp USART_TXC     ;USART TX Complete Handler
 reti; rjmp ADC           ;ADC Conversion Complete Handler
 reti; rjmp EE_RDY        ;EEPROM Ready Handler
 reti; rjmp ANA_COMP      ;Analog Comparator Handler
 reti; rjmp TWSI          ;Two-wire Serial Interface Handler
 reti; rjmp SPM_RDY       ;Store Program Memory Ready Handler




reset:
 ldi wl,low(ramend)         ;Stackpointer initialisieren
 out SPL,wl
 ldi wl,high(ramend)
 out SPH,wl


	;INTERNES RAM LÖSCHEN
 clr	wl
	ldi	xl,low(0x60)		;Beginn des RAM-Bereiches Low
	ldi	xh,high(0x60)		;Beginn des RAM-Bereiches High
 ramclr:	st	x+,wl		;Speicherzelle löschen
	cpi	xl,low(ramend+1)	;RAM-Ende (Low) erreicht?
	brne	ramclr			;nein -> Schleife
	cpi	xh,high(ramend+1)	;RAM-Ende (High) erreicht?
	brne	ramclr			;nein -> Schleife



;Ports initialisieren
;portb als ausgang
                ldi	wl,0b11111111
	out	ddrb,wl	




;************ TIMER_COUNTER_2 FAST_PWM 8BIT clk1024***************
                 
 ldi wl,1<<WGM20|1<<COM21|1<<COM20|1<<CS22|1<<CS21|1<<CS20
 out TCCR2,wl











 ;************ TIMER_COUNTER_1 FAST_PWM 8BIT clk1024***************
                   ldi wl,1<<OCIE1A|1<<OCIE1B|1<<TOIE1|1<<TOIE2             ;TICIE1,OCIE1A,TOIE1,OCIE1C
                   out TIMSK,wl;


                   ldi wl,1<<COM1A1|1<<COM1B1|1<<WGM10 ;1A1,COM1A0,COM1B1,COM1B0,COM1C1,COM1C0,WGM11,WGM10
                   out TCCR1A,wl

                   ldi wl,1<<WGM12|1<<CS12     ;ICNC1,ICES1,WGM13,WGM12,CS12,CS11,CS10
                   out TCCR1B,wl

                   ldi wl,High($0000)           ;
                   out OCR1AH,wl

                   ldi wl,Low($0000)            ;
                   out OCR1AL,wl

                   ldi wl,High($0000)           ;
                   out OCR1BH,wl

                   ldi wl,Low($0000)            ;
                   out OCR1BL,wl








 clr null                   ;immer 0 
	out OCR1AL,null
	out OCR1BL,null
	out OCR2,null















sei


  
main:
ldi xl,0
inc xl
cpi xl,255
breq ja
out ocr2,xl
rjmp nn
ja:
clr xl
nn:

rjmp main









TIM1_COMPA:
in srsk, sreg

push xh
push xl

clr xh
out OCR1AH,xh
out OCR1BH,xh

in xl,OCR1AL
inc xl
out OCR1AL,xl

in xl,OCR1BL
inc xl
out OCR1BL,xl






pop xl
pop xh
	out sreg, srsk
reti