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Rusty2600

A free game preservation game — play it in your browser, no install. [Rusty2600] Cycle-accurate Atari 2600 VCS emulator built in pure Rust — 26-of-26 bankswitch schemes, WebAssembly-ready, an ARM7TDMI Thumb coprocessor interpreter, TAS movie tooling, Lua scripting, and RetroAchievements integration for game preservation.

by @doublegate · doublegate/Rusty2600 on GitHubLANG Rust★ 2HOSTED ON DOUBLEGATE.GITHUB.IOUPDATED 13 Oct 2026

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Controls: Joystick (P0) D-pad: arrow keys · Joystick (P0) fire: z

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From the README

A cycle-accurate Atari 2600 / Video Computer System emulator in Rust.

**Rusty2600 is a cycle-accurate Atari 2600 (VCS) emulator written in pure Rust.** It targets the Mesen2 / ares / higan accuracy bar: a master-clock lockstep scheduler running at TIA-color-clock resolution (3.579545 MHz NTSC), with the 6507 CPU advancing on every third clock and WSYNC/RDY beam-stalls freezing the CPU mid-cycle while the rest of the machine keeps running.

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