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An assembler, code formatter, language server and debug adapter for the MOS 6502 CPU.

mos' dev!

MOS logo

mos is a tool suite for the MOS 6502 (and compatible) CPU written in Rust. More details on the official site.


Building the assembler from source (Linux/MacOS/Windows):

  • Ensure this is green: Build status
  • Install Rust
  • Clone this repository
  • cargo build --release
  • The mos executable will be in target/release