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Tech riderRev. 21 Sept 2026

ESP32-FabGL-SMSEmulator

Ch 216.1of 25 Sega Master System Emulators
  1. 1Runs onNot stated by the maker
  2. 2CostsNot stated by the maker
  3. 3Supported platformsESP32
  4. 4Source availableYes
2 lines stated Written from the maker's own pages: github.com
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The ESP32-FabGL-SMSEmulator homepage

Overview

ESP32-FabGL-SMSEmulator is ranked #21 of 25 in Sega master system emulators on Specifiction.

Compared on Sega master system emulators

Supported platforms
ESP32github.com
Source available
Yesgithub.com

Facts

Product
An emulator for the SEGA MarkIII / Master System built for ESP32 using the FabGL library; the project is marked as a work in progress.github.com · 4 Oct 2026
Video and input
It supports VGA output, PS/2 keyboards, and external controllers connected over serial.github.com · 4 Oct 2026
Frame rate
The README reports 60 FPS (59.94 Hz), with every frame rendered.github.com · 4 Oct 2026
Audio limitation
FM sound, especially rhythm sections, and some PSG sampling playback have reduced fidelity due to FabGL sampling-rate constraints.github.com · 4 Oct 2026
Build requirements
The recommended setup uses an ESP32 Dev Module, FabGL v1.0.9, and enabled PSRAM; PSRAM is required.github.com · 4 Oct 2026
Save states
SRAM-compatible titles can save and restore data on an SD card using three slots, and the SAVE folder must be created manually before launch.github.com · 4 Oct 2026
External controllers
It accepts Atari-specification D-Sub 9-pin controller signals via UART using RS-232C at 115200 bps on IO39, for two joystick ports.github.com · 4 Oct 2026
Controller converter
The README says the Atari-to-serial joystick converter hardware and firmware published in the maker's MSX1 emulator repository can be reused.github.com · 4 Oct 2026
Keyboard mapping
The README says users may need to modify source code to adapt key mappings to their keyboard layout.github.com · 4 Oct 2026
Development status and support
The developer says most main source code is based on AI-generated code and that they cannot answer detailed questions about its internal logic or specifications.github.com · 4 Oct 2026
Licensing
The README directs users to review source-file header comments for license details and says included cores follow the stated FabGL, fMSX, and MIT or free-license policies.github.com · 4 Oct 2026
Use disclaimer
The README states that use is at the user's own risk and disclaims liability for resulting damages.github.com · 4 Oct 2026
Download availability
The GitHub repository page showed no releases.github.com · 4 Oct 2026

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Where it ranks on Specifiction

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Sources