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I have a MiSTer so will try it out on that when I get a chance . Quite strange though as unless you select 60hz mode it uses standard video timings. So far I just tested on real hardware (both SCART and Indivision MK2), winuae and fs-uae and they all display fine.

Thanks for the reply, good You own a MiSTer.

Can you try v1.2 to see if it works

(2 edits)

On MiST/SiDi128 now it is ok, only on V4SA I get this:



Thank You very much for the update ;)

It looks likw DISTART and DISTOP are now working (these control the display window and the sprites are correctly lined up). I can only assume the V4SA has a bug in the implementation of 64bit fetches and how these work with bitplane modulos (from the picture it seems like each line is starting from the wrong bitplane pointer address). Are there any known issues with other AGA titles on the V4SA?

Some games have issues, but a good 90 / 95% works. Probably small fixes to apply to the core.
Thanks anyway, I will report the issue to the apollo discord channel.

There are tons of issues with Vampire’s AGA implementation, unfortunately. MiST and MiSTer get it right on the FPGA front, Vampire’s implementation isn’t great.

Probably You don't have an Apollo Board, or you never get updated it. Nowadays there are very few games that have issues, but this isn't the fault of the card and its amazing features, but rather, more often, the fault of poorly programmed games from the past. Certainly, some WHDLoad slaves should be fixed for the Apollo V4 as well, but that's another story.
What I often hear is just a denigration of the Apollo card. Without any polemical intent.

I can confirm that this happens on MiSTer too.

Can you try v1.2 to see if it works

It works with 50hz PAL mode, but I just get a black screen in 60hz NTSC mode. It’s not a crash or anything, I can toggle it back to PAL by pressing the button again.

I'll play around with the video timings to try and find a sweet spot for origin hardware and fpga