About this project
The project studies Z80-to-C static recompilation with a runtime modeling the Master System’s hardware. It checks the current bytes and stops when it reaches code outside the compiled coverage, rather than silently falling back to interpretation.
Source: Official project README — editorial review ↗ · Checked Oct 21, 2026
Compatibility
Use the Brazilian ROM, 262144 bytes, CRC32 01D67C0B and SHA-256 484FDF3CB85C1BFD1CA938CFD59FD582A06EE20F9F3686BB3DFD1F7A70193086. The portable release targets Windows x64; suggested CPU/RAM minimums are estimates, not certified requirements.
Source: Official project README — editorial review ↗ · Checked Oct 21, 2026
Documented support and independently tested compatibility are different. AllRecomps has not run these games.
Development progress
Release v0.10.0 documents opening, first door, first boss, second-stage arrival and an 18500-frame exploration route. The AOT candidate count includes potential data offsets and is explicitly not a percentage of real code coverage.
Source: Official release notes ↗ · Checked Oct 21, 2026
The latest non-prerelease GitHub release observed is v0.10.0. A release does not establish stability, complete gameplay or tested platform support.
Source: GitHub latest release (automatic) ↗ · Checked Oct 21, 2026
Known limitations
The full game is not validated. 16:9 currently uses preserved framing or crop, not additional scenery. Save loading reconstructs recorded inputs rather than restoring an instant snapshot and can take longer for long sessions.
Source: Official project README — editorial review ↗ · Checked Oct 21, 2026
The README discloses unresolved licensing for the smsggrecomp base. Its own MIT interface code does not license that runtime or the game. Controller coverage relies partly on virtual tests and is not universal physical-device qualification.
Source: Official project README — editorial review ↗ · Checked Oct 21, 2026
Getting started
Extract the entire official Windows ZIP and open MonicaRecomp.exe with SDL3.dll and assets beside it. Select your compatible ROM to enable Play; a development compiler is not required for this portable package.
Source: Official project README — editorial review ↗ · Checked Oct 21, 2026
User settings, saves and runtime.log are in %LOCALAPPDATA%/MonicaRecompPrototype. Back up that folder before upgrading. Versions 0.9 and 0.10 share save revision 3; older revisions are not assumed compatible.
Source: Official project README — editorial review ↗ · Checked Oct 21, 2026
Some projects require files from your own copy of the original game. Follow the official instructions.
