Dreamcast 240p Kuro vga box, picture is zoomed in top left

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Guile
Posts: 145
Joined: Sun Jan 03, 2021 10:11 pm

Dreamcast 240p Kuro vga box, picture is zoomed in top left

Post by Guile »

I'm testing a Kuro vga box for 240p on Dreamcast and I am getting a zoomed in picture of the top left only. It works fine for 480i and 480p. I have the Kuro going into the vga port of an ossc and it detects it as 240p. The game I tried was Super SF2 Turbo. I also just tried it going directly from the Kuro to a 15khz monitor and it's showing the same top left quadrant only.

Has anyone ever seen this or know what's going on?
Guile
Posts: 145
Joined: Sun Jan 03, 2021 10:11 pm

Re: Dreamcast 240p Kuro vga box, picture is zoomed in top le

Post by Guile »

I looked it up some more and I guess SSF2X is one of the few games that doesn't support RGB output. I tried Twinkle Star Sprites and 240p worked well so it seems the problem was the game. It's strange that SSF2X will output an image but only the top corner.
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