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Model2-NX 1.0

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@toniisound toniisound released this 10 Oct 14:24
v1.0
e5037e0

Model2 NX 1.0 — experimental

First public build of Model2 NX, a Sega Model 2 arcade emulator for Nintendo Switch, powered by MAME 0.289.

⚠️ Experimental, work in progress. Games boot and play on real hardware, but most of them run well below full speed: Daytona USA runs at about a third of its real speed at stock clocks. Expect slowdowns and bugs.

What works

  • MAME's Model 2 driver with its game list and menus.
  • Joy-Cons and Pro Controller (Nintendo layout).
  • NVRAM and settings are saved, also when the software is closed from the HOME menu.
  • Performance log in sdmc:/switch/model2nx/model2nx.log (frames per second and time per emulated CPU).

Controls

Button Action
− Coin
+ Start
R3 Test button (game's own test/service menu)
L + R MAME's menu
− and + together Back to the game list

Installing

  1. Copy model2nx.nro to sdmc:/switch/model2nx/.
  2. Put your ROMs (MAME 0.289 zips) in sdmc:/switch/model2nx/roms/.
  3. Start it with title override (hold R while starting a game).

Daytona USA: set Game Assignments → Link ID to SINGLE in the test menu (R3) once, or it waits for linked cabinets.

Tips

  • Overclocking the CPU with sys-clk (1785 MHz) helps a lot.
  • Ryujinx is not supported for now (it cannot run code built with GCC 16's C++ exception handling).

Known limitations

  • Speed: the main CPU (i960) and the geometry DSP (TGP) are interpreted. Recompilers are next on the roadmap.
  • Model 2B and 2C games (SHARC, TGPx4) are untested and expected to be slower still.

No ROMs are included. Not affiliated with or endorsed by Sega or Nintendo.

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