awesome-chip-8

Group for discussion of the COSMAC Elf, as well as anything else RCA 1802-related, including COSMAC VIP and CHIP-8

Chat for discussing development of CHIP-8 emulators/interpreters

An Octo-centric game jam held every October

Mastering CHIP-8

In-depth overview of the CHIP-8 instruction set

Quick cheat sheet for CHIP-8 instructions

CHIP-8 Instruction Set

A comprehensive instruction/opcode table

CHIP-8 Technical Reference

Overview of how the CHIP-8 interpreter works

CHIP-8 Extensions Reference

A list of CHIP-8 variants and extensions

An in-depth disassembly and analysis of the original CHIP-8 interpreter on the COSMAC VIP

HP48-Superchip

An in-depth look at CHIP48 and Super-CHIP for the HP48 calculators, and modifications to make them CHIP-8 compatible

Specification for Octo's XO-CHIP extension

A guide to developing a CHIP-8 interpreter in C/C++

A guide to developing a CHIP-8 disassembler and interpreter in C

Timing of CHIP-8 instructions on the COSMAC VIP

A guide for developing a CHIP-8 interpreter, without code

chip8-test-rom

corax89's CHIP-8 test program, which tests most instructions for correct (Super-CHIP compliant) behavior

CHIP-8 test suite

Timendus' collection of tests, including an improved version of corax89's test rom, a test for the behaviour of the flags and a CHIP-8 / Super-CHIP / XO-CHIP quirks test

Delay timer test

Test program that checks the delay timer's behavior

Random number test

Test program that checks the spread and mask for random number generation

An IDE for development of CHIP-8, Super-CHIP and XO-Chip games

An emulator for many old microcomputers, including COSMAC VIP, Telmac 1800 and ETI 660, which ran early CHIP-8 interpreters (which are included in the emulator)

Super-Chip8x

CHIP-8 emulator for the SNES

CHIP-8 console on FPGA

A CHIP-8 emulator for the TinyFPGA BX chip

CHIP-8/Super-CHIP interpreter for TI-83 (Plus) calculators

CHIP-8 interpreter and debugger programmed in BASIC inside another retro fantasy console

A high-level assembler for CHIP-8, Super-CHIP and XO-CHIP, complete with an environment for testing programs, and tools for sharing your creations

wernsey chip8

A CHIP-8 assembler/disassembler

A graphics preparation tool that creates XOR-ed animations

A tool for converting text into CHIP-8 sprites

An image slicing/repaletting tool

A script that filters and encodes mono-channel WAV audio to XO-CHIP audio

octofont

Convert TrueType (ttf) fonts to Octo code for CHIP-8

The manual for Octo

An introductory guide to CHIP-8 programming in Octo

Remaking the Atari 2600 game "Outlaw" for CHIP-8 in Octo

Many different programming tips for CHIP-8

How to use Octo's assembly directives for meta-programming

How to make games compatible with CHIP-8 and Super-CHIP, as well as some Super-CHIP specific techniques

Implementing efficient sorting algorithms in Octo for CHIP-8

chip8-multiply

Multiplication routines for CHIP-8, written in Octo

A collection of public domain (CC0) games, all playable online

A collection of CHIP-8 programs and documentation

Matt Mikolay's games, programs and documentation