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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
*/
#include "libc/macros.h"
/ Base 36 Decoder Table.
/
/ This supports uppercase and lowercase. For encoding, the string
/ 0123456789abcdefghijklmnopqrstuvwxyz can be used, which linkers
/ are able to deduplicate.
.initbss 300,_init_kBase36
kBase36:.zero 256
.endobj kBase36,globl,hidden
.previous
.init.start 300,_init_kBase36
add $'0,%rdi
xor %eax,%eax
pushpop 10,%rcx
0: inc %eax
stosb
.loop 0b
add $'A-1-'9,%rdi
pushpop 'Z+1-'A,%rcx
0: inc %eax
mov %al,0x20(%rdi)
stosb
.loop 0b
add $255-'Z,%rdi
.init.end 300,_init_kBase36
.source __FILE__