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PROJECT: XVIDEO Driver For HX512K (UPDATED TOOL NO LZ YET) - Page 3 — Parallax Forums

PROJECT: XVIDEO Driver For HX512K (UPDATED TOOL NO LZ YET)

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Comments

  • mparkmpark Posts: 1,305
    edited 2007-09-08 01:46
    I wish I could see what all the fuss is about, but I don't have an HX512K. Any chance you could put up a little video?
  • BaggersBaggers Posts: 3,019
    edited 2007-09-08 09:01
    Spork Frog , The Hybrid has SD and has a Hydra compatible expansion slot, which means you can also plug the HX512K card into it, and the SD is on seperate pins to the slot, so yes, you can load stuff into SRAM from SD using the hybrid. [noparse]:)[/noparse] without taking up much of the precious 32K of HUB RAM. leaving more room for game code and multiple levels [noparse];)[/noparse]

    Baggers.
  • BamseBamse Posts: 561
    edited 2007-09-11 14:39
    Nice driver...

    Cant wait until I get my card and can give it a try...

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    [noparse][[/noparse] ] I dream in SX28 assembler...

    /Bamse
  • Spork FrogSpork Frog Posts: 212
    edited 2007-09-11 19:59
    If it's okay with Jasper, I'd be more than willing to create a video of this thing running.
  • RoadsterRoadster Posts: 209
    edited 2007-09-11 20:10
    Ok Baggers speaking of the Hybrid, when will we see it's release. It sounds like a great design
  • ColeyColey Posts: 1,112
    edited 2007-09-11 22:32
    @Roadster

    Hybrid is available very soon, I am waiting for UPS to pop the boards through my door and shortly after they will be available to all.

    Baggers has done the SD Boot menu system and a brilliant conversion of the classic Jet Pac game.

    There are a few other releases coming, just watch the forums for news.

    We held back the release for a few last minute additions to the hardware and I will post some pictures of the assembled boards as soon as I have them.

    Regards,

    Coley
  • RoadsterRoadster Posts: 209
    edited 2007-09-11 22:53
    Cool !
  • Jasper_MJasper_M Posts: 222
    edited 2007-09-14 17:16
    Spork, just make the video [noparse]:)[/noparse] ...

    I think I'll buy Hybrid too ... depending on price with shipping to Finland...

    The driver itself is not gonna change, but I'll release a new version of the tool (bugs&inaccuracy fixed, binary output, sprite sheets, LZ77 compression) this weekend and probably also LZ77 decompressor (needs a cog... decompresses from EEPROM, supports reading & writing to EEPROM too for saves)
  • Ym2413aYm2413a Posts: 630
    edited 2007-09-15 21:53
    Oh neat. [noparse]:)[/noparse]
    Nice video output.
  • Spork FrogSpork Frog Posts: 212
    edited 2007-09-17 22:43
    Made a video of this thing in action. Sorry about the low quality, it was taken using a digital camera. The real deal is crystal clear.

    www.youtube.com/watch?v=KOUN4-GglQM
  • Ym2413aYm2413a Posts: 630
    edited 2007-09-19 06:53
    That sure is something! [noparse]:)[/noparse]
    It looks even better once you see it in action.
  • MicrocontrolledMicrocontrolled Posts: 2,461
    edited 2009-08-03 20:05
    Haven't been keeping up, but does this thing use the SRAM as buffer space for the Graphics driver? if it did then I will go out and buy an SRAM card, because it will SO help!

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  • tdeyletdeyle Posts: 85
    edited 2010-01-27 17:38
    Eric;

    Have you made any progress with your driver? I am trying to create an LCD driver that can display a 480x272px display with 2bit resolution, which means I can use the first 64K of space in the HX512 for display memory and a draw buffer.

    But, I am relatively green when it comes to accessing memory external to the Prop, so I would like to learn from your code to see what I am expecting, i.e., Render Cog access period during the vertical blank, is there enough time for the Prop to get a 64 byte tile every hblank, etc.

    I understand you are designing a TV driver, and my device has timings different than VGA, however, looking through other's code is how I learn and get inspiration so to speak.

    Any information that you can lend, would be appreciated.
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