Assertion failed! with Visual C++ Runtime Library about retro8 HOT 3 OPEN

This is caused by a change of p8.png format. I added the code to make this new version work but there are still quirks which prevent the game from loading. I'm going into the right direction though.

from retro8.

Which is the cart so that I can check it directly? Maybe some internal format is changed and that leads to an assertion I placed to avoid problems.

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I was trying to run the "Masters of the Universe" cart from https://www.lexaloffle.com/bbs/?pid=81037#p. If I left the file name as it is downloaded .PNG, RetroArch opens, but just shows the Picture... and the game does not run. When I rename the file to a .P8 extension, I get the error.

This same file works for me in other Pico-8 emulators (like tac08 on my RG350).

from retro8.