b7590bbfc0
git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/trunk@11 6ac86273-5f31-0410-b378-82cca8765d1b
83 lines
2.0 KiB
NASM
83 lines
2.0 KiB
NASM
;
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; File:
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; rdpcclk.asm
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; Description:
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; read the PC style clock from bios
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;
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; Copyright (c) 1995
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; Pasquale J. Villani
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; All Rights Reserved
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;
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; This file is part of DOS-C.
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;
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; DOS-C is free software; you can redistribute it and/or
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; modify it under the terms of the GNU General Public License
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; as published by the Free Software Foundation; either version
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; 2, or (at your option) any later version.
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;
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; DOS-C is distributed in the hope that it will be useful, but
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; WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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; the GNU General Public License for more details.
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;
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; You should have received a copy of the GNU General Public
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; License along with DOS-C; see the file COPYING. If not,
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; write to the Free Software Foundation, 675 Mass Ave,
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; Cambridge, MA 02139, USA.
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;
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; $Logfile: C:/dos-c/src/drivers/rdpcclk.asv $
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;
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; $Header$
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;
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; $Log$
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; Revision 1.2 2000/05/11 03:56:20 jimtabor
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; Clean up and Release
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;
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; Revision 1.4 1999/08/10 17:21:08 jprice
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; ror4 2011-01 patch
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;
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; Revision 1.3 1999/04/12 03:19:44 jprice
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; more ror4 patches
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;
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; Revision 1.2 1999/03/29 17:08:31 jprice
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; ror4 changes
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;
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; Revision 1.1.1.1 1999/03/29 15:40:32 jprice
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; New version without IPL.SYS
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;
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; Revision 1.2 1999/01/22 04:16:39 jprice
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; Formating
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;
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; Revision 1.1.1.1 1999/01/20 05:51:00 jprice
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; Imported sources
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;
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;
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; Rev 1.2 29 Aug 1996 13:07:10 patv
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;Bug fixes for v0.91b
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;
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; Rev 1.1 01 Sep 1995 18:50:40 patv
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;Initial GPL release.
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;
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; Rev 1.0 02 Jul 1995 8:00:26 patv
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;Initial revision.
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;
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group TGROUP _TEXT
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segment _TEXT class=CODE
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;
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; BOOL ReadPCClock(Ticks)
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; ULONG *Ticks;
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;
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global _ReadPCClock
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_ReadPCClock:
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xor ah,ah
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int 26
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mov bx,sp
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mov bx,[bx+2]
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mov [bx],dx
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mov [bx+2],cx
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cbw
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ret
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