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by rememberizer
Wed Oct 23, 2019 11:09 pm
Forum: Beginners
Topic: STICKY: Using a Gert VGA 666 adapter - [HOWTO]
Replies: 201
Views: 216216

Re: STICKY: Using a Gert VGA 666 adapter - [HOWTO]

Does this also apply to the custom timings I used? What, that there is bitcrawl? Yes, it exists on all low resolution timings I tested. I suspect it exists on the higher resolutions too, but as it is a fraction of the pixel size, and the pixel size is smaller, it is less noticeable. I hadn't tried ...
by rememberizer
Wed Oct 23, 2019 2:41 pm
Forum: Beginners
Topic: STICKY: Using a Gert VGA 666 adapter - [HOWTO]
Replies: 201
Views: 216216

Re: STICKY: Using a Gert VGA 666 adapter - [HOWTO]

6by9 wrote:
Mon Oct 21, 2019 3:10 pm

There is a some bitcrawl creating a shimmering effect.

As already noted, there is nothing really that can be done there.
Does this also apply to the custom timings I used?
by rememberizer
Sun Oct 20, 2019 3:01 pm
Forum: Beginners
Topic: STICKY: Using a Gert VGA 666 adapter - [HOWTO]
Replies: 201
Views: 216216

Re: STICKY: Using a Gert VGA 666 adapter - [HOWTO]

Rememberizer's line is more awkward as there is only the one odd value. Tweaking that up or down by one will normally work, but will alter the frame rate by a very small fraction. Note that dpi_timings should be used instead of hdmi_timings if that is what you are setting. Whilst there is a fallbac...
by rememberizer
Sun Oct 20, 2019 3:57 am
Forum: Beginners
Topic: STICKY: Using a Gert VGA 666 adapter - [HOWTO]
Replies: 201
Views: 216216

Re: STICKY: Using a Gert VGA 666 adapter - [HOWTO]

This is mine. Same problem on Lakka + arcade monitor, tested on Pi 3 and Pi 4, the problem is only present on pi 4. disable_overscan=1 dtparam=i2c_arm=off dtparam=i2s=off dtoverlay=vga666 enable_dpi_lcd=1 display_default_lcd=1 dpi_group=2 dpi_mode=87 hdmi_timings=1920 1 152 247 280 240 1 3 7 12 0 0 ...
by rememberizer
Fri Oct 18, 2019 6:22 am
Forum: Beginners
Topic: STICKY: Using a Gert VGA 666 adapter - [HOWTO]
Replies: 201
Views: 216216

Re: STICKY: Using a Gert VGA 666 adapter - [HOWTO]

antiriad wrote:
Fri Oct 18, 2019 5:09 am
Hello,
yes I have the same issue, please read my previous posts...
Oh wow I didn't think to check the previous page. Sorry about that. are you also using the official power supply? I'll try to use a different one just to compare.
by rememberizer
Fri Oct 18, 2019 2:30 am
Forum: Beginners
Topic: STICKY: Using a Gert VGA 666 adapter - [HOWTO]
Replies: 201
Views: 216216

Re: STICKY: Using a Gert VGA 666 adapter - [HOWTO]

Hi, first post here. I've been using the pi3 + lakka + VGA666 set to 240p 15khz on my arcade monitor for a while now. I replaced it with a pi4 and it works great as expected, but the image has a weird pixel wobble along the edges of sprites. It's like the pixels move back and forth between adjacent ...

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