> Yeah, I found one where its black, but if you look closely you can see the red border > slightly. Seems like a weird hardware issue where its maybe overloading the red > signal and causing it to drop out. Maybe outside the normal video spec. > > https://www.youtube.com/watch?v=qgfSDkGdUnY
yep
some of the bootlegs have black too because they use different logic for the BG pen, but the original CPS1 board does output a somewhat out of spec signal with red there which can be seen in the video linked. even there it's struggling a bit tho, hence why the red is very uneven.
the same happens with several of the other background colours in the game, you can see the title screens for each game end up discoloured in many videos for the same reason.
the majority of monitors DO seem so struggle with this, which is why most of the videos you see are discoloured, but some, presumably whichever ones the game was developed with, are capable of rendering the slightly out of spec signal.
I think Capcom probably realized there was an issue with using the bg colour stuff tho, because most games don't make extensive use of it.
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