org	0
_init:	di
	im	1
	ld	sp,0xFFFF
	in	a,(0xE0)
	in	c,(0xE1)
	cp	5Ah
	jr	nz,_init
	ld	a,c
	cp	0A5h
	jr	nz,_init
	jp	_Entry

	org	66h
	retn

_Entry:
	xor	a
	ld	hl,0xFFF0	; ram top
	ld	de,0xFFF1
	ld	bc,0x00FF
	ldir

	ld	d,a
	in	e,(0xFF)
	ld	hl,JustDoIt
	add	hl,de
	ld	a,(hl)
	call	_GeniusProgram

EndLoop:
	halt
	jr	EndLoop

JustDoIt:
	db	"I'm a law abiding citizen.This is completely legal."

_GeniusProgram:
	; Safe placeholder: preserve registers and return.
	; A contains the selected byte from JustDoIt.
	push	af
	push	bc
	push	de
	push	hl

	; TODO: put legitimate, local-only program logic here.
	; No network intrusion, unauthorized access, or destructive disk operations.

	pop	hl
	pop	de
	pop	bc
	pop	af
	ret