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This update reduces repeated VRAM copying during rendering, improving CPU
headroom, particularly with widescreen. Exact immutable source images retain
scanline changes and the previous/current frames used by interpolation.
The release generation profile now also includes harvested gameplay coverage
and the analyzer fixes it exposed. More original CPU code runs through static
translation; unproved code retains the faithful interpreter fallback. This
preserves the Phantoon and diagnostic recording fixes from v0.3.13.
Validation includes identical full-copy/optimized simulation traces at stock,
widescreen and 120 Hz presentation settings; fixed source captures and images;
Fit to screen and rewind; and Ceres rotation at three aspect ratios and three
interpolation positions. All 15 game-side tests pass. The owner approved the
combined current-main gameplay/feel build. These checks do not establish a full
unassisted campaign or original Xbox hardware qualification.
Downloads remain precompiled runtimes for Windows x64, Linux x64, macOS Apple
Silicon and macOS Intel. Supply your own unmodified Super Metroid (Japan, USA)
ROM. Extract the complete package; on Linux use Launch.sh. Keep native in-game
SRAM and settings when updating. Host save states are specific to their build.