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   comp.lang.pascal.borland      Borland Pascal was actually pretty neat      2,978 messages   

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   Message 2,218 of 2,978   
   Markus Humm to All   
   Re: Pascal GUI   
   27 Jul 06 20:14:15   
   
   From: markus.humm1@freenet.de   
      
   Hello,   
      
   the problem with you is that you want to do something quite difficult   
   and this by letting out some steps in between.   
      
   What do you have agains VESA? How do you get into graphics mode other   
   than VESA? Without VESA you'll only get VGA 640x480 with 16 colors or   
   you'd need the technical reference sheets of the various graphic chipset   
   manufacturers and program some sort of driver for each card to be supported.   
      
   But the first thing your OS needs are APIs for your GUI to abstract the   
   GUI from using BIOS directly so you'll survive changes in the BIOS API   
   more easily. You'd need APIs for disc access (floppy, HDD, CD ROm...)   
   and for handling keyboard (and maybe mouse). Then you can start building   
   a GUI. But I'd propose to write some sort of memory manager before   
   starting with a GUI sice you'll want that otherwise memory could fast be   
   a rare ressource to your applications.   
      
   Greetings   
      
   Markus   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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