v0.0.1 — Pokemon Red & Blue Recompiled (Pre-release)

Pokemon Red & Blue — Static Recompilation for PC

Pre-release of the Pokemon Red/Blue static recompiler. Supports both Pokemon Red and Pokemon Blue ROMs.

What's Included

• Pokemon_Red_Blue.exe — Windows x64 executable
• Required DLLs (SDL2, MinGW runtime)

How to Use

1. Extract the zip
2. Run Pokemon_Red_Blue.exe
3. Select your ROM when prompted (either Red or Blue)

What Works

• Title screen, menus, overworld, NPC dialogue
• Pokemon Center healing, saving/loading
• Audio (music and SFX)
• Battle system including Elite Four
• Both Pokemon Red and Blue ROMs accepted

Rendering Improvements

• VRAM/OAM write protection during PPU rendering
• SCX/SCY per-scanline latching for correct scroll effects
• LCD on/off transition state reset
• Variable mode 3 timing based on sprite count
• Window WY trigger correctness fix
• Tile-batched background rendering (~16x fewer VRAM reads)
• Optimized sprite rendering with direct VRAM access

Performance Improvements

• gb_tick hot path: TIMA fast-path, inlined cycles, branch hints
• Channel 4 noise LFSR iteration cap
• Removed per-frame debug overhead from RGB conversion
• Smooth audio underrun fade-out (no silence pops)

Known Limitations

• Minor audio/video chug during some animation-heavy scenes
• Later game areas may have uncompiled code paths
• No link cable support

Requirements

• Windows 10/11 x64
• A legally obtained Pokemon Red or Blue ROM (.gb)