Topic       : Pure C Library Documentation
Author      : John Kormylo
Version     : LIB.HYP 1.0
Subject     : Documentation/Pure C Library
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Index Size  : 32068
HCP-Version : 3
Compiled on : Atari
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@lang       : en
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View Ref-File[ EsetGray ]

#include <tos.h> 

int EsetGray( int swtch );

  <swtch> turns gray mode on or off:
          0 turn gray mode off.
          1 = turn gray mode on.
         -1 = keep current setting.


Function turns gray mode on or off.  It returns the old setting.

Note: Gray mode uses the lower 8 bits of the color register to set a
      gray level (0 = black, 255 = white).  See Color Definition.
      Does not require a monochrome monitor.

Note: Available when '_VDO' cookie >= 0x20000L (see Cookies).

XBIOS Opcode 86

See also XBIOS Video.