;------------------------------------------------------
;- portb-sal.asm  (c) Juan Gonzalez. Enero 2004
;------------------------------------------------------
; Enviar un valor por el puerto B de la tarjeta GPBOT
;------------------------------------------------------
; Licencia GPL
;------------------------------------------------------

;-- Incluir los registros del 6808
$include 'gpregs.inc'

;-- Incluir mapa de memoria de la GPBOT
$include 'gpmap.inc'

	;-- Zona de codigo
	org RomStart

main:
	lda	#$FF	; Configurar puerto B para salida
	sta	DDRB

	lda	#$55	; Enviar un valor al puerto B
	sta	PORTB

	;-- Bucle infinito
inf:	BRA inf


;---------------------------------------
;- Zona de vectores de interrupcion
;---------------------------------------
dummy_isr:
	RTI


	org VectorStart
	dw dummy_isr	;-- Vector TMB
	dw dummy_isr	;-- Vector DAC
	dw dummy_isr    ;-- Vector KBI
	dw dummy_isr	;-- Vector Transmision SCI
	dw dummy_isr	;-- Vector Receptor SCI
	dw dummy_isr	;-- Vector Error SCI
	dw dummy_isr	;-- Vector Tranmisor SPI
	dw dummy_isr	;-- Vector Receptor SPI
	dw dummy_isr	;-- Vector Overflow TIM2
	dw dummy_isr	;-- Vector Canal 1 TIM2
	dw dummy_isr	;-- Vector Canal 0 TIM2
	dw dummy_isr	;-- Vector Overflow TIM1
	dw dummy_isr	;-- Vector Canal 1  TIM1
	dw dummy_isr    ;-- Vector Canal 0  TIM1
	dw dummy_isr    ;-- Vector PLL
	dw dummy_isr    ;-- Vector IRQ
	dw dummy_isr    ;-- Vector SWI
	dw main	        ;-- Vector Reset