Not sure about ROM colorization, but if you can use a program called Lunar Magic to create ROM-hacks. It allows you to import your own art and build your own levels. The learning curve is pretty steep from what I hear but there are some incredible creators working at the moment and a lot of resources/people you can connect with.
Did you look at the readme file?
Super Mario Land 2 DX is a romhack of the original Super Mario Land 2 for the GameBoy that turns the game into a GameBoy Color game. It adds color, lets you play with Luigi (with different physics) and removes the lag.
Here is what you need to do:
Get a copy of the unmodified rom, and a copy of the hacked rom. Look inside the files and compare them. A hex editor might be sufficient, but you might need a disassembler.
Comparing the code between the two versions makes a load of sense. It seems like I still need to learn some assembly language first, but this is a reasonable start. Thanks!
I once owned a NES cartridge that you slid your gameboy cartridge into. Then you could play with some color. It was a device similar to the Game Genie. It was basically a converter of sorts. I've forgetten the name of the cartridge, but I'm sure a quick internet search would find it. You could possibly find a ROM for the converter and use it?
I think that cart you are talking about is a Super Gameboy add-on. I thought I saw some forum post about running palette swaps through it, but it doesn't seem like a 'baked in' solution like some of these other hacks. Someone else said, if you have to ask, you're not up to the technical challenge of performing a color hack -_- So, I don't know - maybe I'll just remake the game in some software I already have without Gameboy hardware emulation limitations.
You probably need a Gameboy and some ROM, and some means of coloring. Are you a nigger or something? Where to start. Sheesh.
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