.org $c000 ; libraries .include "lib/kernel.s" reset .org $fffa .addr $0f00 .addr reset .addr irq_jump ; hardware registers vidx = $be00 vidy = $be01 vidm = $be02 vidd = $be03 porta = $bf80 portb = $bf81 ddrb = $bf82 ddra = $bf83 t1cl = $bf84 t1ch = $bf85 acr = $bf8b ifr = $bf8d ier = $bf8e keyboard_port = $bd00 system_register = $bc00 .end