commit a1e5dc32bc0e5dd4471044f97a8ec974b461655e
Author: Natalia Portillo <claunia@claunia.com>
Date:   Wed Jul 12 18:09:02 2000 +0100

    Added DOS OEM code recognition

diff --git a/ver.c b/ver.c
new file mode 100644
index 0000000..6a5bc53
--- /dev/null
+++ b/ver.c
@@ -0,0 +1,143 @@
+/************************************************************************
+  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");
+                           }
+}
+