COMPILER DIRECTIVES FS Specifies a full-screen VIO application on OS/2. These applications use a special BIOS-like API to program the screen. OS/2 starts these application always in full screen. GUI Specifying

writing to the screen. If it is True, the cursor is set via direct port access. If False, then the BIOS is used. This is defined under dos only. LastMode : Word = 3 The Lastmode variable tells you which to detect a VESA 2.0 BIOS extension of your graphics card and outputs i t s version . Here ' s the necessary i n t e r r u p t c a l l description : I n t 10h 4f00h : VESA BIOS extension i n s t a l because the i nf o b u f doesn ' t contain any useful data we could t e l l the user } Writeln ( 'VBE BIOS extension not available , function c a l l ' , ' f a i l e d ' ) ; halt ; end ; { check i f buffer