I've been playing with poking recently and I've found some effects like bit crushing and reverb appearing but when I save the cart it dosen't come back when I load it (after reboot) Is this because all of the bugs is just stored in RAM? If so, is there a way to save the RAM state?
Thanks for any help.

Contents of the hardware state registers (which is what I assume you're POKEing) won't get stored with the cartridge. If you want to tweak those, it's probably best to just poke() from the _init() function to set up the registers just the way you want them.

Alright, thanks.