You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
41 lines
2.2 KiB
41 lines
2.2 KiB
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│ |
|
│vi: set et ft=asm ts=8 sw=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 │ |
|
╚─────────────────────────────────────────────────────────────────────────────*/ |
|
#include "libc/macros.h" |
|
.text.startup |
|
|
|
/ Seventeen byte decompressor. |
|
/ |
|
/ @param di points to output buffer |
|
/ @param si points to uint8_t {len₁,byte₁}, ..., {0,0} |
|
/ @mode long,legacy,real |
|
rldecode: |
|
.leafprologue |
|
.profilable |
|
xor %ecx,%ecx |
|
0: lodsb |
|
xchg %al,%cl |
|
lodsb |
|
jrcxz 2f |
|
1: stosb |
|
.loop 1b |
|
jmp 0b |
|
2: .leafepilogue |
|
.endfn rldecode,globl |
|
.source __FILE__
|
|
|