chip8-emulator

My attempt to create a CHIP-8 emulator.

Requirements

• Java 11.

How to run

Run com/waldou/chip8/Main.java class or build runnable .jar with ./gradlew clean jar.

Status

• Fully working to the best of my knowledge, with at least the original 34 opcodes (0x0NNN is not implemented).
• Potential improvements:
  • Better test coverage.
  • Additional graphic effects.

Keys

ORIGINAL:

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

KEYBOARD MAPPING:

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

OTHER KEYS:

• Esc: Close ROM.
• Backspace: Reset ROM.
• Right Arrow Key: Switch color theme.

References

https://en.wikipedia.org/wiki/CHIP-8

http://devernay.free.fr/hacks/chip8/C8TECH10.HTM#8xy3

http://multigesture.net/wp-content/uploads/mirror/goldroad/chip8.shtml

http://multigesture.net/articles/how-to-write-an-emulator-chip-8-interpreter/

https://chip-8.github.io/extensions/

https://github.com/trapexit/chipce8/blob/master/docs/CHIP-8/Misc/VP580%2C%20VP585%2C%20VP590%2C%20VP595%20Instruction%20Manual%20Including%20CHIP-8X.pdf