Create nice looking diagrams from emulator rom and visualise its content.
Example image of the Onyanko Town ROM at frame 10000.
Run npm install to install needed deps. Use Node 10 and make sure that you have cairo installed on your system!
WARNING! This repo contains extreme ugly code! no refactoring, no cleanup but spaghetti code at its finest! Main purpose of this code is to generate an art print - once this is done there is no reason to touch the code anymore ;)
Some facts:
- has 2kb onboard ram
- has 2kb video ram - this is however pretty boring to visualise
Good example ROM's for RAM images:
- Contra (U) [!].nes
Good example ROM's for VRAM images:
- ZZZ_UNK_Bo Jackson Baseball (Bad CHR 02ef4f34).nes
Some facts:
- has 8kb onboard ram
- has 8kb video ram - this is however pretty boring to visualise
Dump a new ROM:
node ./lib/dump-nes/index.js Mario\ Bros.\ \(JU\)\ \[!\].nes 18000
node lib/visualise/index.js ./dump-Mario\ Bros.\ \(JU\)\ \[!\].nes-17999.json
Note: you can run the script in debug mode by using
DEBUG="*" node lib/visualise/index.js ./dump-Mario\ Bros.\ \(JU\)\ \[!\].nes-17999.json
Process a bunch of rom files (serial) with
for f in ./ROMDIRECTORY/*; do node lib/dump-nes/index.js "$f"; done
.. or parallel:
find ./ROMDIRECTORY -name '*.nes' | parallel -j 8 node lib/dump-nes/index.js {}
Then run ./_build.sh
- RAM DUMPS: support more emulators (Sinclair, C64)
- NES: load optional cartridge memory
- more flexible visualizer (layout, framelength)
- the current selection of interesting diagrams is rather primitive (
filterSlotsfunction), lots of other improvements possible - bells'n whistles build process (moar tests, CI integration)
- Where can I find ROM files: Official answer "dump the cartridges you own"