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Pixel doubling on 31khz monitors with custom drivers?

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Calamity:
I'm afraid that's all we can do about it, don't know if your monitor has any potenciometers on its chasis to correct geometry, anyway I woudn't even try. To be honest my Hantarex has similar or even worse convergence problems and I actually don't care.

If 31 KHz modes look better then you can try a pixel doubling set up as the one explained but I think it's not even worth in your case, I'l prefer to have the true low res modes even if somewhat squashed up.

lettuce:
Ah ok. Thanks for giving suggestions anyway  :applaud:

jimmy2x2x:
I am almost ready to try this type of setup, I have a 4890 (at long last!) in the post due to arrive in a couple of days.

Just to clarify, do I need any special drivers or just the latest?

How would I add 2 custom resolutions, I want 1280x1024@50hz (Amiga) and 720x576@50hz (c64)
I currently get these 2 resolutions via powerstip (on an nVidia card)

Thanks

Calamity:
Hi jimmy2x2x,

Just use the latest drivers. In order to add specific resolutions, edit the ReslList.txt file and add those using the same format:


--- Code: ---## Desktop ##

 640 x 480 @ 30.000000 desktop

## Commodore ##

 720 x 576 @ 50.000000 c64
1280 x1024 @ 50.000000 amiga

--- End code ---

Then run VMMaker to create them. Now, be aware that your monitor definition (monitor_specs) will need to have the proper ranges defined so that these video modes fall inside them.

jimmy2x2x:
.

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