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Lior Halphon on Twitter: "Me: SameBoy intentionally doesn't emulate how the...
source link: https://twitter.com/liji32/status/1344067474371846153
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Me: SameBoy intentionally doesn't emulate how the SoC electrically interferes with the speakers, it's not a desired or potentially useful feature of the Game Boy
Also me: ...But what if?
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Woah, I didn’t expect it to create so much... buzz 
I’m glad it managed to hit so many people in their nostalgic soft spot, this is definitely becoming an optional feature in the upcoming release of SameBoy. :)
Replying to
OHHHHH MY GOD, THIS IS *BEAUTIFUL*
I'm gonna need to know the methodology and specifics of this sometime. What are the interference patterns triggered by? And are they based on actual measurements?
Whenever *something* in the SoC draws any more or less power (e.g. entering or exiting halt mode) you get a little "spike" on the speaker. For example while the PPU is on you can hear two buzz sounds at the vblank and hblank rates. This video is *solely* halt pulses!
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wouldn't it be extremely costly to emulate it properly?
Replying to
The accuracy of the hum is scary
To be fair I scared myself when I first heard it. Never thought it'd be THAT accurate, I didn't even do anything that complex to emulate it!
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I fiddle with macOS, iOS, and Nintendo consoles. I made SameBoy, MIP, GBVideoPlayer, DiskPie, and various Nintendo ROM hacks. http://sameboy.github.io
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