M
Machines, operating systems and chips beginning with M.
Emulators
| Emulator | What it emulates | Type |
|---|---|---|
| M88 | Popular NEC PC-8801 series emulator for Windows created by cisc. | downloadable |
| MAME | One emulator for thousands of machines: arcade, console and home computer. | downloadable |
| MEGA65 | In-browser WebAssembly build of the Xemu emulator running the MEGA65 - the modern open-hardware Commodore 65 successor - with a full 45GS02 debugger. | online |
| MEKA | Sega 8-bit multi-machine emulator with debugging and hacking tools by Omar Cornut. | downloadable |
| MIX | An authored, in-browser MIX computer (Knuth's TAOCP machine) with a live debugger and on-screen input. | online |
| MSP430 LaunchPad | From-scratch browser emulator of the Texas Instruments MSP430 (MSP430G2553 on the MSP-EXP430G2 LaunchPad), a 16-bit microcontroller, running real hand-assembled firmware with on-board LEDs, a button, a backchannel UART and a full debugger. | online |
| Macintosh.js | Virtual 68k Macintosh Quadra running Mac OS 8.1 packaged as a cross-platform Electron desktop app. | downloadable |
| MagicEngine | Commercial closed-source PC Engine / TurboGrafx-16 emulator with a free time-limited demo. | downloadable |
| Makaron | Closed-source Sega Dreamcast and Naomi emulator by dknute. | downloadable |
| Manchester Baby (SSEM) | An authored Manchester Baby (SSEM) in your browser: the 1948 first stored-program computer, its 32-word Williams-tube store live, single-steppable and disassembled. | online |
| Manchester Mark 1 | An authored Manchester Mark 1 in your browser: the 1949 successor to the Baby, with a 40-bit word on Williams-tube pages, index registers (the B-tube), a hardware multiplier and teleprinter output, single-steppable and disassembled. | online |
| Mario Bros. | The original 1983 Nintendo Mario Bros. arcade machine, running in the browser with an in-frame Zilog Z80 debugger. | online |
| MartyPC | A cycle-accurate IBM PC/XT emulator written in Rust with extensive debugging facilities. | both |
| MasterGear | Portable Sega Master System, Game Gear and SG-1000 emulator by Marat Fayzullin. | downloadable |
| Mednafen | Command-line multi-system emulator supporting a very wide range of consoles and handhelds. | downloadable |
| Mesen | High-accuracy multi-system emulator covering NES, SNES, Game Boy and more with deep debugging tools. | downloadable |
| Mesen2 | Multi-system emulator with accurate Game Boy, Game Boy Color and Game Boy Advance support and strong debugging tools. | downloadable |
| Metro M4 Express | An Adafruit Metro M4 Express (Microchip SAMD51, ARM Cortex-M4F) that runs real compiled firmware in a web browser: the on-board D13 LED, the WS2812 NeoPixel and a SERCOM3 serial console, with a full ARM debugger. | online |
| Micro64 | Accuracy-focused Commodore 64 emulator emphasizing detailed VIC-II timing. | downloadable |
| Microsoft Hyper-V | Microsoft's native type-1 hypervisor built into Windows for running virtual machines. | downloadable |
| Microsoft Virtual PC | A desktop virtualization product, originally from Connectix, for running legacy PC operating systems on Windows. | downloadable |
| Milk-V Duo (RISC-V Linux) | Boots REAL RISC-V Linux to a busybox shell in the browser via the vendored TinyEMU emulator (compiled to WebAssembly), with a full RISC-V debugger. Honest: a generic 32-bit TinyEMU RISC-V machine (RV32IMAC) standing in for the Milk-V Duo's Sophgo SG2002 / CV1800B (64-bit T-Head C906) silicon; serial console only (no GPIO LED / peripherals / display). | online |
| Mini vMac | A tiny emulator for the compact black-and-white 68000 Macintoshes. | downloadable |
| Miracle | Browser-based JavaScript Sega Master System emulator by Matt Godbolt. | online |
| Missile Command | The original 1980 Atari Missile Command arcade machine, running in the browser with an in-frame MOS 6502 debugger. | online |
| Morphett Turing Machine Simulator | JavaScript web Turing machine simulator with example programs for teaching. | online |
| Mupen64 | Early cross-platform Nintendo 64 emulator that seeded many later N64 projects. | downloadable |
| Mupen64Plus | Cross-platform Nintendo 64 emulator core that powers many modern N64 front-ends. | downloadable |
| mGBA | Fast and accurate open-source Game Boy Advance emulator that also plays Game Boy and Game Boy Color titles. | downloadable |
| meisei | Free, open-source MSX1 emulator for Windows. | downloadable |
| melonDS | Modern accuracy-focused Nintendo DS and DSi emulator. | downloadable |
| microM8 | Modern Apple II emulator from Paleotronic with 3D and educational features. | downloadable |
| my-trs-80 | TypeScript web app and library suite for running a virtual TRS-80 Model I/III with a cassette and floppy library. | online |
| mz700win | Windows emulator of the Sharp MZ-700 and MZ-1500 8-bit computers. | downloadable |
| mz800emu | Accurate open-source emulator of the Sharp MZ-800, MZ-700 and MZ-1500. | downloadable |