Chip8-Emulator

Implementation of the Chip-8 based on

• https://en.wikipedia.org/wiki/CHIP-8
• http://devernay.free.fr/hacks/chip8/C8TECH10.HTM

It is capable of running Chip-8 roms that use only all of the Chip-8 opcodes (excluding Super Chip-48 extended instructions).

Usage

chip8 <rom_name> or if you're using jar java -jar chip8 <rom_name>. ROM must be written in Chip-8 programming language and is loaded to the memory at location 0x200 (512). It must fit into 4096 bytes of memory, including 512 bytes reserved for the interpreter.

Default characters sprites

Default sprites are loaded into memory starting at 0x0 (0) memory location. There are sixteen sprites loaded, every single one of them is 5 bytes in size. Available characters are: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F.

Keypad mapping

CHIP-8      PC
Keypad - Keyboard
  0    -    B
  1    -    4
  2    -    5   // This may be swaped with G
  3    -    6
  4    -    R
  5    -    T
  6    -    Y
  7    -    F
  8    -    G   // This may be swapped with 5
  9    -    H
  A    -    V
  B    -    N
  C    -    7
  D    -    U
  E    -    J
  F    -    M