FreeDOS/kernel/nlssupt.asm

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; File:
; nls.asm
; Description:
; Assembly support routines for nls functions.
;
; Copyright (c) 1995, 1998
; Pasquale J. Villani
; All Rights Reserved
;
; This file is part of DOS-C.
;
; DOS-C 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; either version
; 2, or (at your option) any later version.
;
; DOS-C 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 DOS-C; see the file COPYING. If not,
; write to the Free Software Foundation, 675 Mass Ave,
; Cambridge, MA 02139, USA.
;
; $Logfile: C:/dos-c/src/kernel/nlssupt.asv $
;
; $Id$
;
; $Log$
; Revision 1.3 2000/05/25 20:56:21 jimtabor
; Fixed project history
;
; Revision 1.2 2000/05/08 04:30:00 jimtabor
; Update CVS to 2020
;
; Revision 1.1.1.1 2000/05/06 19:34:53 jhall1
; The FreeDOS Kernel. A DOS kernel that aims to be 100% compatible with
; MS-DOS. Distributed under the GNU GPL.
;
; Revision 1.3 2000/03/17 22:59:04 kernel
; Steffen Kaiser's NLS changes
;
; Revision 1.2 1999/08/10 17:57:13 jprice
; ror4 2011-02 patch
;
; Revision 1.1.1.1 1999/03/29 15:41:25 jprice
; New version without IPL.SYS
;
; Revision 1.4 1999/02/08 05:55:57 jprice
; Added Pat's 1937 kernel patches
;
; Revision 1.3 1999/02/01 01:48:41 jprice
; Clean up; Now you can use hex numbers in config.sys. added config.sys screen function to change screen mode (28 or 43/50 lines)
;
; Revision 1.2 1999/01/22 04:13:26 jprice
; Formating
;
; Revision 1.1.1.1 1999/01/20 05:51:01 jprice
; Imported sources
;
; Rev 1.3 06 Dec 1998 8:46:56 patv
; Bug fixes.
;
; Rev 1.2 16 Jan 1997 12:46:44 patv
; pre-Release 0.92 feature additions
;
; Rev 1.1 29 May 1996 21:03:38 patv
; bug fixes for v0.91a
;
; Rev 1.0 19 Feb 1996 3:24:04 patv
; Added NLS, int2f and config.sys processing
; $EndLog$
;
%include "segs.inc"
segment _TEXT
global _CharMapSrvc
extern _upChar:wrt TGROUP
;
; CharMapSrvc:
; User callable character mapping service.
; Part of Function 38h
;
_CharMapSrvc:
push ds
push es
push bp
push si
push di
push dx
push cx
push bx
mov dx, DGROUP
mov ds, dx
push ax
call _upChar
;add sp, byte 2 // next POP retrieves orig AX
pop bx
mov ah, bh ; keep hibyte untouched
pop bx
pop cx
pop dx
pop di
pop si
pop bp
pop es
pop ds
retf ; Return far