nessemble

nessemble is a 6502 assembler targeting the Nintendo Entertainment System (NES), written in Rust.

Upgrading from a 1.x release? See Upgrading for what changed in 2.0.

Getting Started

To initialize a new project:

nessemble init

Build the project:

nessemble project.asm --output project.nes --format nes

Run project.nes in any NES emulator to see the result.

Documentation

Start here: Installation.

• Usage — the command-line interface.
• Syntax — the assembly language reference.
• Extending — custom pseudo-instructions with Rhai.
• Building — building from source.
• Translating — adding a locale.