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Getting HEL_GFX right for the demoboard. — Parallax Forums

Getting HEL_GFX right for the demoboard.

Oldbitcollector (Jeff)Oldbitcollector (Jeff) Posts: 8,091
edited 2010-04-02 17:41 in Propeller 1
Now that it can be freely distributed...

Can someone advise how to setup HEL_GFX_ENGINE_040.spin
correctly so that it displays properly on the demoboard?

For the life of me I can't get it right, almost, but not dead on.

OBC

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SPIN
SPIN
HEL_GFX_ENGINE_040.SPIN
68K

Comments

  • BaggersBaggers Posts: 3,019
    edited 2010-02-21 09:45
    OBC, you forgot to post your project.
    ie with the parameters that you pass to it etc.

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    ·
  • Oldbitcollector (Jeff)Oldbitcollector (Jeff) Posts: 8,091
    edited 2010-02-21 15:35
    Actually I'm attempting to configure it properly so I can closer examine some of my Hydra book content.

    It uses a configuration section that looks like this.

      VIDEO_PINMASK    = %0111_0000     ' vcfg S = pinmask  (pin31 ->0000_0111<-pin24), only want lower 3-bits
  VIDEO_PINGROUP   = 1              ' vcfg D = pingroup (Hydra uses group 3, pins 24-31)
  VIDEO_SETUP      = %1_11_111_111 ' vcfg I = controls overall setting, we want baseband video on bottom nibble, 2-bit color, enable chroma on broadcast & baseband
  VIDEO_CNTR_SETUP = %00001_111



    These settings work about 75%, but the screen tends to loose color in the upper 50%.

    OBC

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    New to the Propeller?

    Visit the: The Propeller Pages @ Warranty Void.
  • MicrocontrolledMicrocontrolled Posts: 2,461
    edited 2010-02-22 18:17
    I can't get this to work ether. I adjust the pin settings where it SHOULD work, but it doesn't. confused.gif

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    Don't click on this.....
  • VaatiVaati Posts: 712
    edited 2010-04-02 13:48
    I have the code for basepin 12, if anyone is still interested...· I'm attaching it.· smile.gif

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    MCU Projects·- my new site where I will be posting all projects, code, etc.

    Quit buying all those fixed voltage regulators, and·get an Adjustable Power Supply·for your projects!· Includes an LED testing terminal!

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    spin
    spin
    HEL_GFX_ENGINE_040p12.spin
    68K
  • VaatiVaati Posts: 712
    edited 2010-04-02 17:41
    Oh--I also posted this on a new topic, along with the COP graphics engine and how to modify code that uses the TV driver to run on basepin 12.

    ▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
    MCU Projects·- my new site where I will be posting all projects, code, etc.

    Quit buying all those fixed voltage regulators, and·get an Adjustable Power Supply·for your projects!· Includes an LED testing terminal!

    SD Card Adapter·- Add extra memory to your next Propeller project with ease!
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