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Added DOS OEM code recognition

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Natalia Portillo
2000-07-12 18:09:02 +01:00
commit a1e5dc32bc
1 changed files with 143 additions and 0 deletions
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ver.c Normal file
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/************************************************************************
T h e O p e n W i n d o w s P r o j e c t
------------------------------------------------------------------------
Filename : ver.c
Version : 0.01
Author(s) : Natalia Portillo
Component : OWP DOS subsystem
--[ Description ]-------------------------------------------------------
Says the DOS type and version.
--[ History ] ----------------------------------------------------------
0.00: Original file by Natalia Portillo. No DOS type.
0.01: Tested with following DOSes obtaining:
DOS DOS Version DOS OEM Code
DR-DOS 7.03 6.0 0x00
FreeDOS Beta 4 6.22 0xFD
MS-DOS 3.20 3.20 0x00
MS-DOS 3.30 3.30 0x00
MS-DOS 4.01 4.0 0xFF
MS-DOS 5.00 5.0 0xFF
PC-DOS 3.30 3.30 0x00
Windows 98 S.E. 7.10 0xFF
Windows 2000 5.0 0xFF
--[ How to compile ]----------------------------------------------------
Recommended compiler Borland Turbo C++ 1.01
http://community.borland.com/museum
--[ Where to get help/information ]-------------------------------------
This archaic and abandoned software is opensource with no warranty
or help of any kind.
For inquiries contact claunia@claunia.com.
--[ License ] ----------------------------------------------------------
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; either version 2
of the License,or (at your option) any later version.
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.,59 Temple Place - Suite 330,Boston,MA 02111-1307,USA.
------------------------------------------------------------------------
Copyright (c) 2000 The Open Windows Project
*************************************************************************/
#ifndef OWP_DOS_SUBSYSTEM
#define OWP_DOS_SUBSYSTEM
#endif
#define SYSTEM "OWP"
#define PROGRAM "VER"
#define MAJOR_VERSION 0
#define MINOR_VERSION_STRING "01"
#define SUB_VERSION_STRING ""
#define COPYRIGHT "2000 Open Windows Project"
#include <stdio.h>
#include <dos.h>
void getdosver (int *major,int *minor,int *oem_code)
{
union REGS regs;
regs.x.ax = 0x3000;
int86 (0x21,&regs,&regs);
*major = regs.h.al;
*minor = regs.h.ah;
*oem_code = regs.h.bh;
}
main()
{
int dos_major,dos_minor,dos_oem_code;
printf("%s %s %d.%s%s",SYSTEM,PROGRAM,MAJOR_VERSION,MINOR_VERSION_STRING,SUB_VERSION_STRING);
printf("\nCopyright (c) %s\n\n",COPYRIGHT);
getdosver (&dos_major,&dos_minor,&dos_oem_code);
if(dos_oem_code==0xFD)
{
printf("FreeDOS simulating DOS %d.%d",dos_major,dos_minor);
}
else if(dos_oem_code==0x00)
{
if(dos_major<=3)
{
printf("MS-DOS / PC-DOS %d.%d",dos_major,dos_minor);
}
else if(dos_major>=4)
{
printf("DR-DOS simulating DOS %d.%d",dos_major,dos_minor);
}
}
else if(dos_oem_code==0xFF && dos_major>=4 && dos_major <=6)
{
printf("MS-DOS / PC-DOS %d.%d",dos_major,dos_minor);
if(dos_major==5)
{
printf("\nNOTE: May be OS/2 / Windows NT simulating DOS 5.0");
}
}
else if(dos_oem_code==0xFF && dos_major>=7)
{
if(dos_minor==0)
{
printf("Windows 95 simulating DOS 7.00");
printf("\nNOTE: May be PC-DOS 7.0");
}
else if(dos_minor==10)
{
printf("Windows 95 OSR 2 or upper simulating DOS 7.10");
printf("\nNOTE: May be PC-DOS 7.1");
}
else
{
printf("PC-DOS %d.%d",dos_major,dos_minor);
}
}
else if(dos_oem_code==0xFF && dos_major==3)
{
printf("MS-DOS %d.%d",dos_major,dos_minor);
}
else
{
printf("Unknown DOS version %d.%d,OEM code %x",dos_major,dos_minor,dos_oem_code);
printf("\nPlease send this info and the DOS name and version to iosglpgc@teleline.es");
}
}