Add complete support for "Rikki & Vikki" #71
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This is needed because SOUPER cartridges can trap MARIA's reads and handle them specially.
This is located at: http://tailchao.com/Audio/index.php#BupBoop It uses the zlib license, which is GPL compatible. This library is needed to emulate the sound hardware that "Rikki & Vikki" uses. It's an entirely separate chip included in the cartridge that produces 16-bit stereo audio. Note that BupBoop supplies a library called WinTone that provides DirectSound bindings, but we don't use it both because we already use DirectSound and because using WinTone would complicate `libretro` portability.
Note that this commit itself doesn't actually allow the BupChip to be used for anything, because the only way to supply music for the BupChip to play is through the CDF format.
This format allows song files to be supplied to the emulated BupChip for playback. It matches the format used by BupSystem: http://tailchao.com/BupSystem/index.php "Rikki & Vikki" is supplied as a CDF file, along with an unheadered `.bin` image and several music files.
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This pull request introduces 3 alerts when merging 60de1d5 into fbf62c3 - view on LGTM.com new alerts:
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This was referenced Sep 25, 2022
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Hi,
Here's a pull request with complete support for "Rikki & Vikki", including music. It adds support for BupSystem's BIN/CDF format, so that you can open the Steam
FoxBox.cdfin RetroArch and it should run fine. Note that you must addcdfas a valid extension in the core info or RetroArch will refuse to open it.One of the commits contains a vendored copy of part of BupBoop, which is an emulation of the chip that this game uses. (The emulator, chip, and game were all written by the same author.) This library is under the zlib license, which is GPL compatible.
There is a corresponding upstream pull request that contains this same code, ported over to its style.
Closes #63.