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VBlank has seven different modes. The one that sees the most use is mode 0, which performs all basic display and audio functions. The purpose of the others is unknown. VBlank relies on the following functions: -joypad -cgb palette update -dmg -> cgb pal conversion -bg map update -vram tile update -tile animations -serial request -game timer Tile animation is large enough to warrant its own commit.
Pokémon Crystal
This is a hand-crafted disassembly of Pokémon Crystal.
The source code in this project successfully converts back into a ROM image. All source code is meticulously commented.
Base ROM
The following ROM is required for compiling:
Pokemon - Crystal Version (UE) (V1.0) [C][!].gbc
md5: 9f2922b235a5eeb78d65594e82ef5dde
Eventually this will not be necessary.
Installing
Simple.
sudo apt-get install make gcc bison git python python-setuptools
# unittest2 is required if using python2.6
sudo easy_install unittest2
# download rgbds source code
git clone git://github.com/bentley/rgbds.git
# compile rgbds
cd rgbds
make
sudo make install
# check if rgbasm is installed now
which rgbasm
# download pokecrystal
git clone https://github.com/kanzure/pokecrystal.git
cd pokecrystal
make clean && make
Also, there are Windows installation instructions.
Assembling
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To assemble, first install RGBDS and put it in your path. The version of RGBDS needed is rgbds-linux.
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Next, copy the Pokémon ROM to this directory as "baserom.gbc".
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Then run "make" in your shell.
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This will output a file named "pokecrystal.gbc".
See also
- disassembly of Pokémon Red.
Contributing
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Hang out with us on IRC, nucleus.kafuka.org #skeetendo (or use mibbit)
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Tackle some issues!