[Request] Add ability to view LOG messages and memory of emulator

[thomas-alrek]

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• What is the motivation / use case for changing the behavior? It would be very useful when developing new features. The only way we have now is to use Display Text. But it would be very nice to be able to see the LOG() calls, and inspect memory states.

[chrismaltby]

Hi Thomas, what I ended up doing during early development was to have a separate branch which I never merged where the Makefile, instead of using the SDCC compiler and GBDK, used Emscripten and my Javascript implementation of GBDK https://www.gbdkjs.com/ when I get some time I can try to dig out my old code for doing this, think it will be quite out of date now though. The problem with this method is that because most of the issues tend to come from the buggy compiler it ends up being not that useful other than to get the code together a high level.

I wonder if there's any good debugging JS emulators (like BGB but in JS) we could switch out the current one for if you set a flag on startup maybe?

[thomas-alrek]

I wonder if there's any good debugging JS emulators (like BGB but in JS) we could switch out the current one for if you set a flag on startup maybe?

There probably is. Optionally, we could just see if it would be hard to implement that in the current emulator.