# Copyright (c) KATO Takenori, 1999, 2000, 2007.
# 
# All rights reserved.  Unpublished rights reserved under the copyright
# laws of Japan.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer as
#    the first lines of this file unmodified.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# $FreeBSD: head/sys/boot/pc98/boot0.5/start.s 168457 2007-04-07 08:37:04Z kato $
#
	.global	start
	.code16

	.text
start:
	jmp	start1

	# Magic
	.org	0x053, 0x20
	.byte	0x4e, 0x45, 0x43

	.org	0x8f
	.byte	0x32, 0x2e, 0x37, 0x30

	.org	0x2d4
start1:
	# The instruction 'call 0x9ab' can be here.  See also selector.s.
	nop
	nop
	nop
	cli
	movw	%cs, %ax
	movw	%ax, %ds
	movw	%ss, iniss
	movw	%sp, inisp
	movw	%ax, %ss
	movw	$0xfffe, %sp
	sti	
	xorw	%ax, %ax
	movw	%ax, %es
	call	main

	cli
	movw	%cs:iniss, %ss
	movw	%cs:inisp, %sp
	sti
	int	$0x1e
	# NOTREACHED
	lret

	.data
	.global	iniss, inisp
iniss:	.word	0
inisp:	.word	0