The NES is a distributed system consisting of a CPU, PPU, RAM, and APU. It also interfaces with game cartridges and gamepads.

CPU Memory Map and Registers:

File Structure

The project is organized as follows:

• src/: Contains the source code for the emulator.
  • cpu.rs: Implementation of the NES CPU.
  • ppu.rs: Implementation of the Picture Processing Unit.
  • apu.rs: Implementation of the Audio Processing Unit.
  • memory.rs: Memory management and mapping.
  • main.rs: Entry point of the emulator.
• tests/: Contains unit and integration tests.
• assets/: Stores resources like ROM files and test data.
• readme.md: Documentation for the project.
• Cargo.toml: Rust project configuration file.
• Cargo.lock: Dependency lock file.

Resources

• https://bugzmanov.github.io/nes_ebook/chapter_3_1.html
• https://www.nesdev.org/obelisk-6502-guide/reference.html#INX