LiteNES

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A simple NES (FC) emulator

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최종 버전 다운로드 (.zip)

- common.h
- cpu-internal.h
- cpu.h
- fce.h
- hal.h
- memory.h
- mmc.h
- nes.h
- ppu-internal.h
- ppu.h
- psg.h
- - common.c
  - cpu-addressing.c
  - cpu.c
  - fce.c
  - memory.c
  - mmc.c
  - ppu.c
  - psg.c
- hal.c
- main.c
.gitignore
kungfu.png
Makefile
README.md

// repository documentation

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## LiteNES

This project is a fork of Stanislav Yaglo's mynes (https://github.com/yaglo/mynes).
We mainly refactored the project for brevity and portabilty,
by removing unused comments and changing the file structure.
LiteNES runs classical roms (e.g., Battle City, Yie Ar Kung-Fu and Super Mario),
but has only partial support of NES roms, and does not support the emulation of APU.

The key feature of LiteNES is its *portability*:
the system-call-dependent code is reduced to minimal
(only appears in `hal.c` and `main.c`).
All other sources *do not contain any direct or indirect calls to the operating system kernel*.
Also, the only calls to standard C library are memory movements (e.g., `memcpy` and `memcmp`).
To port LiteNES to other systems, only slight modification of `main.c` and re-implementation of `hal.c` is required.

### Compilation

To compile LiteNES, you must have *allegro5* library.
Usually you can install it in the official software repository
(by `apt-get`, `yum`, `pacman` or `emerge`, depending on your Linux
distribution).
For Ubuntu users, if you cannot find allegro5 in your sources, please find 
`liballegro5.0` and `liballegro5-dev` deb package and install them.

Type `make` in the command line to compile. Resolve any error message until
the `litenes` binary file is created.

### Game Play

You need to prepare a NES rom first.
Assume it (`rom.nes`) is located in the same directory as the LiteNES binary.
Then in this directory, type `./litenes rom.nes` to start the emulator.

Key bindings: UP - `W`, DOWN - `S`, LEFT - `A`, RIGHT - `D`, SELECT - `U`,
START - `I`, A - `K` and B - `J`. Only one player is supported.
Type `CTRL C` in terminal to exit.

![LiteNES running Yie-Ar Kung Fu](https://raw.github.com/NJUOS/litenes/master/kungfu.png)

LiteNES

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