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feat(serial): model disconnected multiplayer configuration

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0xrsydn 2026-10-07 05:02:23 +07:00
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docs/usability-roadmap.md
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@ -40,9 +40,10 @@ The native Darwin window also starts and presents frames without a diagnostic.
This exposed and corrected missing firmware affine-scale initialization, without a game-specific patch.
Frame-based scenarios and the preparation adapter now make the result repeatable.
A local Emerald run now passes its initial all-device reset, master sound enable, and pulse/noise triggers.
It stops at GPIO serial interrupt control. The core has tested Direct Sound, both pulse channels, and noise channel 4.
It also passes normal serial transfers and idle multiplayer configuration, then stops at Game Pak GPIO control.
The core has tested Direct Sound, both pulse channels, and noise channel 4.
Wave channel 3, a continuous sample stream, and desktop audio output remain missing.
See [the runtime result](research/emerald-reset.md). Serial control-register semantics are the next demonstrated startup requirement.
See [the runtime result](research/emerald-reset.md). Cartridge GPIO and its real-time clock protocol are the next demonstrated startup investigation.
The separate save requirement remains cartridge SRAM, followed by safe host save persistence.
SRAM is byte-addressable battery-backed save memory. Flash and EEPROM remain separate protocols.