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  1. I pushed the changes up to my: Fork/branch:...

    I pushed the changes up to my: Fork/branch: https://github.com/KurtE/ST7735_t3/tree/TLC_Speedup

    Which is currently setup as a Pull Request to also speed up the T-LC outputs to the screen: ...
  2. I think I figured it out... My guess is Paul...

    I think I figured it out...
    My guess is Paul used the example sketch without modifying it. So it is configured:

    // Use this initializer if you're using a 1.8" TFT
    ...
  3. If you went off of my fix branch it was merged...

    If you went off of my fix branch it was merged into Paul’s master branch and released with the latest release of teensyduino
  4. As mentioned the labels on the back of these...

    As mentioned the labels on the back of these displays are confusing at best.
    What I hooked up:

    Just Display:

    VCC=VUSB, GND=GND,
    RESET=8
    A0 is DC = 9
    SDA (DATA = MOSI) = 11
    SCL (CLOCK =...
  5. Actually now I think it is the BLACKTAB that...

    Actually now I think it is the BLACKTAB that should be used.

    I don't have the Adafruit 1.8" version but I do have one by HiLetGo...
    https://smile.amazon.com/gp/product/B00LSG51MM/

    Took me a...
  6. Does it help if you try: INITR_18GREENTAB in the...

    Does it help if you try: INITR_18GREENTAB
    in the call to tft.initR?
  7. Works for me: 20820 Probably the next real...

    Works for me:
    20820

    Probably the next real question is what is your display? What are you actually running on the UNO? Could you list or include your actual sketch that you ran on the UNO......
  8. Paul I create a Pull Request with it using the...

    Paul I create a Pull Request with it using the drawRect code to output one scan line at a time...
    https://github.com/PaulStoffregen/ST7735_t3/pull/18

    Could do this just for T4.x - But I believe...
  9. @mjs513 (@Paul) - Yes the best fix is to rework...

    @mjs513 (@Paul) - Yes the best fix is to rework the function.
    Actually I just did a copy of the function directly out of my ili9341_t3n version into the example here,
    with 1 edit in ili9341_t3n it...
  10. @Paul and ... Now I am remembering some more. ...

    @Paul and ... Now I am remembering some more.

    Earlier I did try to put in some support for this into display code, to disable the calls to

    void ST7735_t3::setAddrWindow(uint16_t x0, uint16_t...
  11. Yes you are right it does not work... It reads...

    Yes you are right it does not work... It reads the file.

    The issue is when we added SPI.transaction support, it really did not work well with
    sketches that: tft.setAddrWindow(x, y,...
  12. Or maybe an incompatible file format on the...

    Or maybe an incompatible file format on the SDCard? I don't remember if this library came with it's own example formatter program, I believe SDFat does...
  13. My guess is that you may run into offset issues...

    My guess is that you may run into offset issues with lots of graphics... If the board is not initialized properly.

    That is I believe the processor on the display can handle larger display. So...
  14. Again it always helps to see the actual code you...

    Again it always helps to see the actual code you are trying... Example did you update the init function as shown in:...
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