.sect .text
.globl _start

_start:
;; enable the RTI
	ldaa #0x40
	staa 0x1024
;; enable the ADC, and configure IRQ' for edge-sensitive operation
	ldaa #0xa0
	staa 0x1039
;; set the stack pointer
	lds _stack

;; initialize initialised variables
	ldx #0x0000
loop:
	cpx #0x0080
	bcc out
	clr 00,x
	inx
	bra loop
out:

	jsr main

infinity:
	bra infinity