LSDj 9.2.L instrument envelopes don't work properly

frederic-mahe / Analogue-Pocket

An issue tracker for Analogue's Pocket, a handheld FPGA device released in December 2021

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LSDj 9.2.L instrument envelopes don't work properly #40

Open iamjackg opened 2 years ago

iamjackg commented 2 years ago

I'm seeing some odd behaviour with the instrument envelopes: something about the APU is not being accurately replicated. Take a look at this video I shot: I'm moving the cartridge between the Pocket and a GBC, so both consoles should sound exactly the same, but they don't. I also tested the cartridge on a GBP and a DMG, and they sound the same as the GBC, i.e. correct.

https://youtu.be/qb6qdlEZ_3w

katawajojo commented 2 years ago

Seconding this. This happens when flashed to a cart, or when converted to GB Studio's .pocket format.

bbbbbr commented 2 years ago

From what I've seen discussed, it's related to LSDJ changing to use "zombie mode" for envelopes which is apparently not fully implemented on the pocket - but that it was being looked into.