Emulator of CHIP-8

Last update: Oct 26, 2022

Related tags

Emulators CHIP-8-Emulator

Overview

CHIP-8-Emulator

This emulator supports CHIP-8 and SUPERCHIP games.

Installation

Since Sdl2 is used, you'll need the Sdl2 runtime library for you system next to your executable file. You can find the executable file either in the releases or you have to build it with cargo build --release.

Emulate a game

In a terminal, run chip8-emulator.exe path/to/binary. You can find many binaries here.

Before the first run starts, it might take some time for the antivirus-software to check everything. Before the first run, a saves folder is created for quicksaves.

Keyboard Layout

Since all input is in hex, the following keyboard layout is used with (Scancodes for the US keyboard):

1	2	3	4
Q	W	E	R
A	S	D	F
Z	X	C	V

which is interpreted as:

1	2	3	C
4	5	6	D
7	8	9	E
A	0	B	F

For the emulator, there are the following Keyboard-Shortcuts:

Scancode	Description
Esc	Pauses/Unpauses the game.
F1	Resets speed to 100%.
F2	Increases the emulation speed by 20%.
F3	Decreases the emulation speed by 20%.
F4	Enter/Leaves the cheat mode.
F5	Quicksaves the emulation state (to the `saves` folder).
F8	Quickloads the newest quicksave (from the `saves` folder).

Cheat Mode

Some games depend on collision detection (like breakout), so in the cheat mode, drawing onto the screen is possible.

The left mouse button turns a pixel on, while the right mouse button turns it off. While drawing the game is paused.

Bugs

If you think you encountered a bug, you can open an issue. Make sure to include a bin/savegame and the OS.

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Releases(v2.0.0)

v2.0.0(Sep 18, 2022)

Now with Arduino-Keypad support, read README for more information.
Source code(tar.gz)
Source code(zip)
chip8-emulator.exe(1.55 MB)
v1.0.1(Jan 15, 2022)

WINDOWS BUILD

Now mostly supports SUPERCHIP (and still CHIP-8) and quicksaving / quickloading is possible (drawing bug fixed too).

To install, download the .exe and the Sdl2.dll, put them into the same directory and add a roms/ directory with the chip8 games. To run a game, you have to give the relative path to the .ch8 file as the first cmd_line parameter. Launching the program for the first time might take some time for anti-virus software's to check the .exe.
Source code(tar.gz)
Source code(zip)
chip8-emulator.exe(360.00 KB)
v1.0.0(Jan 12, 2022)

Initial release, windows-x64 only (build for other platforms using cargo build possible).

To install, download the .exe and the Sdl2.dll, put them into the same file and add a roms/ directory with the chip8 games. To run a game, you have to give the relative path to the .ch8 file as the first cmd_line parameter. Launching the program for the first time might take some time for anti-virus software's to check the .exe.
Source code(tar.gz)
Source code(zip)
chip8-emulator.exe(309.00 KB)