Topic       : TOS - The Operating System
Author      : 
Version     : tos.hyp (December 19, 2008)
Subject     : Programmieren/Atari
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HCP-Version : 5
Compiled on : Atari
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View Ref-File4.14.1  Oscanis                                                    TOS

 Name:         »Oscanis« - Return OverScan's version number.

 Opcode:       4200

 Syntax:       int16_t Oscanis( void );

 Description:  The function returns the (hexadecimal) version number 
               of OverScan. A value of 0x300 corresponds here to 
               Version 3.0.

               As this function is based on an undocumented feature, 
               it is better to make use of the OVER cookie if 
               possible.

 Return value: The function (normally) returns the value 4200 when 
               OverScan is not installed, otherwise its version 
               number.

 Availability: These functions are only available under OverScan; they 
               are not routines of the operating system.

 Group:        OverScan XBIOS functions

 See also:     Binding   Oscanpatch   Oscanphy   Oscanscr 
               Oscanswitch   Oscantab   Oscanvb