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How to display on VGA driver both Text and bitmaps together — Parallax Forums

How to display on VGA driver both Text and bitmaps together

arlojoarlojo Posts: 2
edited 2008-03-10 14:24 in Propeller 1
Does anybody know if it´s possible to display on VGA driver both Text and bitmaps together??.

Thanks in advance

Comments

  • deSilvadeSilva Posts: 2,967
    edited 2008-03-10 11:04
    It is not so difficult, but you may run into timing problems as you have twice as many accesses to the HUB.

    And remember also that "Text" works in 2-color mode only!

    Post Edited (deSilva) : 3/10/2008 1:43:20 PM GMT
  • RaymanRayman Posts: 14,162
    edited 2008-03-10 12:25
    Checkout my Blackjack game here:

    http://www.rayslogic.com/propeller/Programming/RaysStuff/RaysStuff.htm

    It shows bitmaps and text on either XGA·(VGA 1024x768) or TV...
  • deSilvadeSilva Posts: 2,967
    edited 2008-03-10 13:40
    Ah, but that's close to cheating smile.gif
    Of course you can bent any address in a tile to a corresponding piece of bitmap!

    Sorry, I thought of a true overlay, but just arranging the tile addrresses is most likely powerful enough.
    Also, I was confusing above, saying 2-color mode. The ROM characters need also 4-color mode, but you have to carefully chose the coloring! This would have been the problem with a true overlay concept...
  • arlojoarlojo Posts: 2
    edited 2008-03-10 14:24
    DeSilva, Rayman, thanks a lot to both for your replays. Im very new on that matter and now I have something to play with. Againg thanks
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