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- /*
- * File......: DOSVER.PRG
- * Author....: Glenn Scott
- * Date......: $Date: 15 Aug 1991 23:02:24 $
- * Revision..: $Revision: 1.2 $
- * Log file..: $Logfile: E:/nanfor/src/dosver.prv $
- *
- * This is an original work by Glenn Scott and is placed in the
- * public domain.
- *
- * Modification history:
- * ---------------------
- *
- * $Log: E:/nanfor/src/dosver.prv $
- *
- * Rev 1.2 15 Aug 1991 23:02:24 GLENN
- * Forest Belt proofread/edited/cleaned up doc
- *
- * Rev 1.1 12 Jun 1991 02:38:24 GLENN
- * Documentation mod and removal of reference to constant INT86_SUCCESS.
- * Checked for ft_int86() compatibility.
- *
- * Rev 1.0 01 Apr 1991 01:01:14 GLENN
- * Nanforum Toolkit
- *
- */
-
-
- /* $DOC$
- * $FUNCNAME$
- * FT_DOSVER
- * $CATEGORY$
- * DOS/BIOS
- * $ONELINER$
- * Return the current DOS major and minor version as a string
- * $SYNTAX$
- * FT_DOSVER() -> <cVersion>
- * $ARGUMENTS$
- * None
- * $RETURNS$
- * A character string with the major version number first, a
- * period ("."), then the minor version number (e.g., "3.30")
- * $DESCRIPTION$
- *
- * FT_DOSVER() invokes DOS interrupt 21h, service 30 in order to
- * return the current DOS version. It does this by setting up
- * an array corresponding to machine registers and then calling
- * the toolkit function FT_INT86().
- *
- * It returns a character string corresponding to the DOS
- * version, as follows: The major version, a period ("."), then
- * the minor version.
- *
- *
- * $EXAMPLES$
- *
- * FUNCTION main()
- * RETURN QOut( "Dos version: " + FT_DOSVER() )
- *
- * $END$
- */
-
- #include "FTINT86.CH"
-
- #define DOS 33
- #define DOSVER 48
-
-
- #ifdef FT_TEST
- FUNCTION MAIN()
- QOut( "Dos version: " + FT_DOSVER() )
- return ( nil )
- #endif
-
- FUNCTION FT_DOSVER()
- local aRegs[ INT86_MAX_REGS ]
- local cResult := ""
-
- aRegs[ AX ] = MAKEHI( DOSVER )
- if FT_INT86( DOS, aRegs )
- cResult := alltrim( str( LOWBYTE( aRegs[ AX ] ) ) ) + "." + ;
- alltrim( str( HIGHBYTE( aRegs[ AX ] ) ) )
- endif
-
- RETURN ( cResult )
-
-
-
-
-