mgbdis
gb-studio
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mgbdis | gb-studio | |
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6 | 126 | |
224 | 8,103 | |
- | - | |
4.5 | 9.8 | |
8 months ago | 7 days ago | |
Python | C | |
MIT License | MIT License |
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mgbdis
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Exploring the Gameboy Memory Bank Controller (2020)
Game Boy disassembler: https://github.com/mattcurrie/mgbdis
You can compile the ROM's back with rgbds: https://github.com/gbdev/rgbds
Here you can see how bank switching works.
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My GB studio said a file was missing so I reinstalled GB studio but now none of my projects open
You can get images out of it. Find the image locations in the ROM with a tool like YY-CHR, then annotate that location in the disassembler (like https://github.com/mattcurrie/mgbdis).
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How to get game files?
By a search on Google, I found this link: https://github.com/mattcurrie/mgbdis
- mattcurrie/mgbdis: Game Boy ROM disassembler with RGBDS compatible output
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Ghidra - Editing Gameboy ROM for Analogue Pocket
I didn't use Ghidra, I only used mgbdis to create a disassembly. Patched it and then reassemble it.
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ROM Hacking Guide
You make it sound like there's a machine you can put a Game Boy ROM into and get out a disassembly, which is kinda true (https://github.com/mattcurrie/mgbdis) but it doesn't automatically split out data blocks or anything like that - it just tries to crawl the ROM and disassemble any code it can find. It's certainly not "effectively no additional work" than making targeted alterations to the binary and documenting your work.
And that's before you get to platforms where most if not all games are written in C - I question whether a mere disassembly of a game like Pokemon Emerald would even be useful to anyone, whereas the pokeemerald decompilation (https://github.com/pret/pokeemerald) is clearly useful but was a heck of a lot more work to produce.
> That's a hurdle, but not an insurmountable one... unless the system didn't even support banking. (Are there any systems that didn't?)
Depends what you mean by "support". I don't think any system has a built-in mapper - they just assign a chunk of memory space to the cartridge bus, and if your game is larger than that chunk of memory space you include a mapper on the cartridge. Nintendo provided standard mappers for machines like the NES and Game Boy because it's very hard to include a substantial game in the wedge of memory space you get on the processors in those machines, whereas only one game on the Genesis/Megadrive needed one.
gb-studio
- GB Studio: Slopes in Platform Scenes
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Not only Unity...
GB-Studio (MIT/C) https://github.com/chrismaltby/gb-studio
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What’s up with people pretending to die after drinking the grimace shake?
I doubt it was intentional. They hired a studio to make a retro style game and they probably just happened to hire one specializing in gb development. There's a lot of good tools now like https://www.gbstudio.dev/
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How to Manage Technical Debt 📉
👾 Software - GB Studio. I spent a large part of my childhood playing Tetris and Micro Machines on my Gameboy. Now anyone can create Gameboy games with a drag-and-drop editor.
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Best source for writable carts for homebrew?
Very cool! Maybe you can make a pixel art style portfolio of your work that runs on a GB cart and a rom to share around? Do you know about GBStudio?
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Grimace birthday game
No, it's an actual game boy game built using GB Studio, that's the point, that it's compatible with any device capable of running GB games, including original hardware! :)
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GB Studio: Drag and drop retro game creator for GameBoy
It actually does interpret bytecode, you can see the opcode definitions here https://github.com/chrismaltby/gb-studio/blob/1f995a976bd3aa...
The trick is that a lot of the heavier stuff is implemented in assembly and this is mostly used for lighting scripting (from what I understand).
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Learn to code
Me when gameboy studio exists: https://www.gbstudio.dev/
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any resources for expanding on ECS?
If you ever want to just play around with gameboy stuff, GB Studio is much simpler, but only supports building certain types of games, since it's a no-coding kind of thing.
What are some alternatives?
pokered - Disassembly of Pokémon Red/Blue
gbdk-2020 - An updated version of GBDK, C compiler, assembler, linker and set of libraries for the Nintendo Gameboy, Nintendo Entertainment System, Sega Master System, Sega Game Gear.