Topic       : TOS - The Operating System
Author      : 
Version     : tos.hyp (December 19, 2008)
Subject     : Programmieren/Atari
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Compiled on : Atari
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View Ref-File4.14.5  Oscanswitch                                                TOS

 Name:         »Oscanswitch« -Switch or obtains current mode.

 Opcode:       4206

 Syntax:       int16_t Oscanswitch( int16_t mode );

 Description:  The function switches between the normal mode and the 
               OverScan mode. The following apply:

                Parameter  Meaning

                mode

                            -1  =  Obtain status 
                             0  =  Normal mode 
                             1  =  OverScan mode 

               The function not only switches over the hardware, but 
               also all internal GEM variables are patched and the 
               screen is copied over.

 Return value: The function returns the current setting in each case.

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

 Group:        OverScan XBIOS functions

 See also:     Binding   Oscanis   Oscanpatch   Oscanphy   Oscanscr 
               Oscantab   Oscanvb