GB-8
Octo
GB-8 | Octo | |
---|---|---|
4 | 8 | |
51 | 651 | |
- | - | |
0.0 | 5.9 | |
over 2 years ago | 6 months ago | |
Assembly | JavaScript | |
MIT License | MIT License |
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GB-8
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Is the original DMG-1 Gameboy capable of emulation?
CHIP-8 for Game Boy by Hacktix (updated 2021-09-19)
- GB-8 -- CHIP-8 interpreter for Game Boy Color by Hacktix
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I made a CHIP-8 emulator that runs on the Nintendo Gameboy
Source code and releases are available right here.
Octo
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Ask HN: Show me your half baked project
1. Octo, a CHIP-8 assembler: https://github.com/JohnEarnest/Octo
P.S. Octojam 10 runs until 12:00 AM PST on November 1st! See the following if you're interested! https://itch.io/jam/octojam-10
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Is there a pointer equivalent of declaring an array?
In addition to what other posters suggested, it could be a good idea to try assembly languages as a way to manually work with locations in memory. Something like Octo could be fun if you want to try memory manipulation without worrying about real-world complexities like syscalls and memory alignment. If you want something extra challenging, you could always try x86 / amd64 assembly. Some C compilers even support inline assembly if you want to mix C and assembly.
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How do I make a "game" for Chip8?
Yes, Octo is the most used tool to create CHIP-8 programs today. John has a little introduction text for writing in its dialect here: https://github.com/JohnEarnest/Octo/blob/gh-pages/docs/BeginnersGuide.md
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Feedback on my very own C++ CHIP8 Interpreter/Emulator
I also want to thank you all for all the advice you gave to me and others about CHIP8. It was very helpful to read some posts here ! I also used John Earnest's OCTO a lot for debugging.
- Octo
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Is chip 8 emulator flicker normal?
The octo FAQ touches on this "pre-xoring" technique, and theres a worked example of doing this data preparation in macros. I've also written varioustools that can handle the xoring for you.
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Executable PNGs
In my own system, Octo[0], I encode programs and their metadata in a similar steganographic fashion in GIF files. As others have noted here, both GIF and PNG offer extension mechanisms and ways to embed "comments", but popular image-sharing sites universally re-encode images and discard this data. The advantage of GIF over PNG (for my purposes) is that I store an arbitrary payload in a fixed-looking image by creating additional frames of animation.
In the past, I've also used a different technique- if you simply concatenate a PNG onto a JAR (which is really just a ZIP archive) you end up with a file that acts like a PNG unless you change the extension to JAR, in which case it acts like a Java executable. This works because the PNG header is at the beginning of the file, while the ZIP header is at the end. Nowadays, though, desktop Java is pretty much dead, so it's a less exciting party trick.
[0] https://github.com/JohnEarnest/Octo
What are some alternatives?
GBSoundSystem - A system-wide refactor (modernization) of the GameBoy Tracker (aka the Paragon 5) replayer created by Stephane Hockenhull.
vis-chip-8 - Visual Chip-8 Emulator
hUGEDriver - An easy-to-use, fast, tracker-based, public domain sound driver for Game Boy homebrew
chip8-test-rom - ROM for testing chip8 emulator
gb8 - Chip-8 Emulator for GameBoy
chip8-test-suite - A collection of ROM images with tests that will aid you in developing your own CHIP-8, SUPER-CHIP or XO-CHIP interpreter (or "emulator")
chip8-emulator-for-gameboy - A chip8 emulator made in gameboy assembly for the gameboy
wasm4 - Build retro games using WebAssembly for a fantasy console.
rgbds - Rednex Game Boy Development System - An assembly toolchain for the Nintendo Game Boy and Game Boy Color
pixload - Image Payload Creating/Injecting tools
smilehax-IIe - Primary 3DS userland sploit for Smilebasic 3.6.0 EUR/USA (latest version). 3.3.2 JPN support via app downgrade from > 3.3.2. Works on 11.17.0-50.
chip8Archive - A repository of community-submitted Chip8 programs and their metadata