ZQuestClassic
Octo
ZQuestClassic | Octo | |
---|---|---|
11 | 8 | |
450 | 651 | |
0.0% | - | |
9.9 | 5.9 | |
5 days ago | 6 months ago | |
C++ | JavaScript | |
GNU General Public License v3.0 only | MIT License |
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ZQuestClassic
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Ask HN: What rabbit hole(s) did you dive into recently?
I've been doing some modernization on an old scripting language used by the game engine I work on [1]. Added a garbage collector, simplified how internal symbols are defined, added a VS code extension with some niceties like syntax highlighting, "Go to Definition", and doc tooltips. Also recently added support for websockets and plan to tackle JSON soon.
https://github.com/ZQuestClassic/ZQuestClassic
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Lessons from Open-Source Game Projects
ZQuest Classic - Engine to play and create games like the original Zelda. C++, OpenGL
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Ask HN: Show me your half baked project
Developing a new website for the open source game engine I work on. Nearly finished with it.
https://zquestclassic.com
It's a Zelda-like game engine with some 1000ish games made in it over 20 years. Used to be called Zelda Classic, but we renamed it this year.
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A forum engine written in Assembly
Thanks, that was a silly oversight. Your comment is appreciated, as it saved an instruction in my game engine's JIT compilation :)
https://github.com/ArmageddonGames/ZQuestClassic/commit/0a78...
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Show HN: Using C++23 <stacktrace> to get proper crash logs in C++ programs
I found Sentry's crash reporting (which uses crashpad) simple enough to configure into an existing CMake build within an afternoon.
Building Sentry/crashpad from source in a few lines of CMake: https://github.com/ArmageddonGames/ZQuestClassic/commit/3471...
And a few lines in the main function: https://github.com/ArmageddonGames/ZQuestClassic/commit/3471...
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Ask HN: Examples of desktop software with 20+ years of longevity?
My hobby is working on a 20+ year game engine. Still occasionally delete DOS-only code in it. https://github.com/ArmageddonGames/ZQuestClassic
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MSVC: The Devourer of Const
```
The `Hero.{x,y}` properties here are a custom fixed precision number class with some implicit conversions to int, which I suspect being relevant to the crash.
[1] https://github.com/ArmageddonGames/ZQuestClassic/blob/e678e9...
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Ccache – a fast C/C++ compiler cache
https://github.com/ArmageddonGames/ZQuestClassic/commit/641d...
Using it locally too, works great on Mac, but on Windows ccache has some problems caching debug builds. IIRC the embedded debug symbols use absolute paths, so the presence of this particular flag (/Z something...) disables cache eligibility.
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An evolution of handhelds. 1989-2022
i love zelda. if interested in custom quests on pc, go to zeldaclassic.com 100s of custom quests
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Nintendo games I have played in my life. Rate my taste.
If you'd like to try custom quests on computer, go to http://zeldaclassic.com
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?
shellrunner - Write safe shell scripts in Python.
vis-chip-8 - Visual Chip-8 Emulator
nature - 🍀 The Nature Programming Language, may you be able to experience the joy of programming.
chip8-test-rom - ROM for testing chip8 emulator
react-gamin - A rockin' React library for makin' games!
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")
esther - Dear Esther, you're about to become an idea for a diary app that embeds an LLM.
wasm4 - Build retro games using WebAssembly for a fantasy console.
icecream - Distributed compiler with a central scheduler to share build load
pixload - Image Payload Creating/Injecting tools
seleneCMSBundle - Add CMS functionality to your Symfony Apps
chip8Archive - A repository of community-submitted Chip8 programs and their metadata