> I've observed a strange phenomenon with the arcade board of "Street Fighter II":
> Sometimes, sprites disappear for one frame, only to reappear again.
>
> Have a look:
>
>
> The first image looks normal.
> In the second, a piece of the vase is missing and the elephant trunks are out of
> sync. (Even though the latter one might be because the camera might have caught the
> TV in mid-frame.)
> In the third image, a piece of Dhalsim's foot is missing.
>
> In other instances, I had other issues. For example, I once saw the vase on the right
> side of the stage disappearing completely. (Again, just for one frame.)
>
> Except for the elephant trunks, I noticed those things with my plain eyes. (Which is
> why I did the videos that these screenshots come from in the first place: To check if
> I was only imagining things.)
>
> As I said, these are scenes from playing the game on the real board, that's not an
> emulation. Also, the screen is a typical NTSC CRT TV. (The game is connected with a
> supergun, it's not an actual arcade cabinet.)
>
> My question is: Is this a graphical problem on the physical board (i.e. a hardware
> fault on my specific copy) or is this merely a glitch in the game?
>
> Since the background is still visible when sprites disappear, it cannot be a screen
> error.
>
> So, if this is just the way the game works, how can I recreate this in MAME?
>
> By the way, the version that I used is "Street Fighter II - The World Warrior" (USA
> 910206) (= sf2ua in MAME). The CPS-1 board is the original 10 MHz version (i.e. not
> the 12 MHz Dash board) with the Motorola processor.
It could always be a board error, having a quick check of the PCB to see if there's any scratches on the traces would be an idea.
----
On a quest for Digital 573 and Dancing Stage EuroMix 2
By gods I've found it!
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Re: Disappearing sprites in "Street Fighter II"
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