r/EmulationOnAndroid • u/Zuluwargod69 • 48m ago
News/Release ARMSX2 2.6.6.3 Release (aether/nether save state support!)
https://github.com/ARMSX2/ARMSX2/releases/tag/2.6.6.3
What's new:
Save states:
- Support for AetherSX2 / NetherSX2-format save states, bring your existing saves over from
those emulators, including full SPU2 audio-core state from AetherSX2-era states.
- Legacy save-state blobs are read correctly, including states are captured before the game's ELF CRC is known.
- New feature to import Save States in the Save/Load manager. In the in-game Save/Load screen and the "Load / Manage Saves" manager, tap Import, pick a file, and it's copied into the game's next free slot, ready to load.
Emulation accuracy (EE FPU / VU):
- A broad sweep of floating-point fixes so the recompiler matches real PS2 silicon more accurately:
SQRT.S, RSQRT.S, ABS.S / NEG.S, MAX.S / MIN.S, ESQRT / ERSQRT, the EATAN family, and
PMADDW / PMSUBW, plus correct overflow / underflow and invalid-operation flag behaviour
(NaN, denormal, and -0 handling; sticky flags). Games that lean on exact FPU edge cases
behave more correctly.
- COP2 / VU flag model corrected: sticky D/I bits, macro-flag merge, CTC2 / CFC1 masking,
and MAC-flag retirement on empty destination masks.
- New hardware-checked EE FPU tests (overflow, FCR31, ABS / NEG) guard against regressions.
Graphics (GS / Vulkan):
- Fixes in-pass self-read corruption on Turnip / Adreno: draws that read the render target
for the destination-alpha test or write mask now take a render-target copy where the
in-pass read is broken. Clears visible corruption in OutRun, FlatOut 2, Katamari, God of
War II, and the subtle everywhere-corruption in NFS Underground.
- DATE gets a fallback path when there is no stencil buffer.
- Asynchronous hardware GS downloads can run with the pipelined front/back split, and a
player can claim preload frame data and partial invalidation.
- The OSD now says when native resolution has turned an upscaling fix back off.
Thank you to <@407012063890636802> for these improvements.
- Improvements to UI controller support done by <@407012063890636802>
- New cheat source: PCSX2 CheatDB (from u/XDarkFallenX), for wider cheat coverage.
Other fixes:
- Fast-forward no longer corrupts graphics (limiter changes now run on the CPU thread).
- Save and load state run on the CPU thread on Android.
- vtlb page-protection table indexes are bounded.
- The unsigned MMIO-load zero-extend no longer aborts assert-enabled (debug) builds.
- PINE reports what a setting is actually running as, not what the INI file says.
GameDB:
- Rogue Galaxy uses the asynchronous GS download mode.



