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C/C++ Source or Header  |  1989-07-18  |  143 b   |  9 lines
  1. #define VIDMODE   *(unsigned char far *) 0x00449lu
  2.  
  3. int IsCGA()
  4. {
  5.     if ( VIDMODE != 7 && VIDMODE < 0x0b)
  6.         return( 1 );
  7.     return( 0 );
  8. }
  9.