;****************************************

;***** Testprogramm für Programmer 

;****************************************

.device AT90S8535	; Festlegung Microcontroller

;***** Definitionen

.EQU RAMEND = 0x25f
.EQU PROGSTART = 0x000
.EQU STACKP = 0x200
.EQU VARIABLES = 0x201
.EQU SPH = 0x3e		; Stackpointer adress High Byte
.EQU SPL = 0x3d		; Stackpointer adress Low Byte
.EQU DDRD = 0x11	; Data Direction Register Port D
.EQU PORTD = 0x10	; Data Register Port D
.EQU PINA = 0x19	; Pins Port A
.EQU DDRA = 0x1a	; Data Direction Register Port A
.EQU PORTA = 0x1b	; Data Register Port A

;***** Variablen
.DSEG
.ORG VARIABLES
VAR1: .BYTE 1

.CSEG
;***** Interrupt-Sprungtabelle
.ORG PROGSTART

rjmp RESET			; Reset Handler
rjmp EXT_INT0		; IRQ0 Handler
rjmp EXT_INT1		; IRQ1 Handler
rjmp TIM2_COMP		; Timer 2 Compare Handler
rjmp TIM2_OVF		; Timer 2 Overflow Handler
rjmp TIM1_CAPT		; Timer 1 Capture Handler
rjmp TIM1_COMPA		; Timer 1 Compare A Handler
rjmp TIM1_COMPB		; Timer 1 Compare B Handler
rjmp TIM1_OVF		; Timer 1 Overflow Handler
rjmp TIM0_OVF		; Timer 0 Overflow Handler
rjmp SPI_STC		; SPI Transfer Complete Handler
rjmp UART_RXC		; UART RX Complete Handler
rjmp UART_DRE		; UDR Empty Handler
rjmp UART_TXC		; UART TX Complete Handler
rjmp CADC			; AD Conversiob Complete Handler
rjmp EE_RDY			; EEPROM Ready Handler
rjmp ANA_COMP		; Analog Comparator Handler

;****************************************
;
;***** Hauptprogramm 
;
;****************************************



MAIN:		ldi r16, high(STACKP)	; Set Stack Pointer
			out SPH, r16
			ldi r16, low(STACKP)
			out SPL, r16 

			ldi r16, $f0			; Bit 0-3 v. Port A = Input (Für Taster)
			out DDRA, r16
LEDOUT:		out DDRD, r16			; Ausgabe der Port-A-Daten auf Port D (LEDs)
			in r16,PINA				; Einlesen Taster
			rjmp LEDOUT				; Sprung zur Ausgabe

;****************************************

STOP:		rjmp STOP				; Programmende - Betonstop

;****************************************
;
;***** Interrupts 
;
;****************************************

;***** Reset Handler
RESET: rjmp MAIN

;***** IRQ0 Handler
EXT_INT0: reti		

;***** IRQ1 Handler
EXT_INT1: reti		

;***** Timer 2 Compare Handler
TIM2_COMP: reti		

;***** Timer 2 Overflow Handler
TIM2_OVF: reti		

;***** Timer 1 Capture Handler
TIM1_CAPT: reti		

;***** Timer 1 Compare A Handler
TIM1_COMPA: reti		

;***** Timer 1 Compare B Handler
TIM1_COMPB: reti		

;***** Timer 1 Overflow Handler
TIM1_OVF: reti		

;***** Timer 0 Overflow Handler
TIM0_OVF: reti		

;***** SPI Transfer Complete Handler
SPI_STC: reti		

;***** UART RX Complete Handler
UART_RXC: reti		

;***** UDR Empty Handler
UART_DRE: reti		

;***** UART TX Complete Handler
UART_TXC: reti		

;***** AD Conversiob Complete Handler
CADC: reti			

;***** EEPROM Ready Handler
EE_RDY: reti
			
;***** Analog Comparator Handler
ANA_COMP: reti