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/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi
Copyright 2020 Justine Alexandra Roberts Tunney
This program is free software; you can redistribute it and/or modify │
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License. │
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of │
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software │
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
.code16
.section .start,"ax",@progbits
_start: jmp 1f
1: ljmp $0x600>>4,$2f
2: push %cs
pop %ds
push %cs
pop %es
mov $0x70000>>4,%ax
cli
mov %ax,%ss
xor %sp,%sp
sti
cld
xor %ax,%ax
xor %di,%di
mov $0x7c00-0x600,%cx
rep stosb
xchg %di,%bx
inc %cx
xor %dh,%dh
mov $v_sectors+0x0200,%ax
int $0x13
xor %bp,%bp
sub $6,%sp
call main
nop
.type _start,@function
.size _start,.-_start
.globl _start
.globl v_sectors
.globl main