;------------------------------------------------------ ;- porta-sal.asm (c) Juan Gonzalez. Febrero 2004 ;------------------------------------------------------ ; Enviar un valor por el puerto A 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 A para salida sta DDRA lda #$55 ; Enviar un valor al puerto A sta PORTA ;-- 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