> Sure it can, though admittedly it takes some mucking with the Vio* API to
> lock the screen (VioScrLock), get a pointer to the physical screen
> (VioGetPhysBuf), unlock the screen (VioScrUnlock), etc..  It can get even
> fancier with VioSavReDrawWait thrown in to coordinate session switches.  I
> have not done the code myself, but the APIs are there to allow it.

Well, if you're going to request direct access through the hardware via the
API's...  But if you're using the API's anyway why not USE them?  If you
had to do a pair of bios calls every time you wanted to do direct screen
writes, what'd be the point?  (other than porting existing code?)

Rob
 
--- Xblat