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pulselooper; i'd always go for buying a fresh one after bending up the pins , of course you could solder in a turned 32 pin IC socket in the place of the eprom in my guide (using the same guide, bending up the pins on the socket + soldering to them instead of the chip) on a NES cart and simply unplug the eprom when u want to upgrade it, then use a UV eraser and burn/blow new version and drop it back in again afterwards but you probably wont be able to fit a case on it then (you'd have to make a hole to access the chip hope that makes sense - am updating this from the train atm *grin*

analog: hehe brill \o/ ace to see it working in the shots too

Basic soldering / desoldering skills are essential - here are some nice guides I found for u:
http://www.aaroncake.net/electronics/solder.htm
http://www.aaroncake.net/electronics/desolder.htm

Start with some simple electronics projects like:
http://www.aronnelson.com/gallery/main. … 1.gif.html
^
Try building one of these - its worth it for practising your soldering, plus it makes groovy chippy noises *Grin* and gets you used to placing components on a 'board' of sorts - in this case stripboard...

Also another thing you might want to try is buying an old radio or personal stereo at a charity store and open it up / remove the guts and explore practising desoldering the components (battery powered devices are safer to practice on)

Cheers \o_

Hey Lavar, cor thats a lot of Q's - here you go:

A couple of questions:

- Could I do this as your first project?

No - I would seriously start with some simple electronics builds first - this is not a beginner project :)

- Could I use an American cartridge if I do this (http://www.youtube.com/watch?v=i3vL5TE0 … re=related) on an European NES? The NES cartridges from the US are cheaper than the European ones.

yes :) you would also need to burn/blow the PAL version of NTRQ as the NTSC one would prob cause probs on UK machine...

- Is this (http://www.benl.ebay.be/itm/NEW-1-X-27C … 4ab10e8c58)  a good chip to burn it to?

Yep but you dont need to buy new chips, just get 2nd hand ones and erase them - miles cheaper...

- Are there other programs (Pulsar, pr8,...) or games (Mega Man 2, Super Mario Bros,...) that you can put on a cartridge using the same method? If so, is there some way that you can change these chips on the go? (maybe a socket to put the chips in, I got the idea from this http://www.youtube.com/watch?v=vRS5Jm_a … j-yZ2Ks_rL look around the 7 minutes mark) Also, what would happen to the save files when you change the chips? Are they on the chips themselves or on the cartridge?

Save files live in the SRAM on the cartridge, powered by battery :)

You can put anything that runs on the NES on a cart, you just have to find the correct cart to put it onto. Pulstar / PR8 need the same board type as Final Fantasy I/II... which is rareish.

- Any cheaper way to back up the SRAM? $70 is too much

As I said above you could use the Tape transfer cartridge but you'd have to build one of those too...

- Where can I find an EPROM burner for NES chips? I've only found burners that are over £60 without shipping, but the tutorial mentions burners for £20. Burners that can also work for 16 bit systems would be very interesting but I've got to watch my wallet
Burner:
http://www.ebay.co.uk/itm/USB-G540-Univ … 4ab12326db
^ 39.00£

They swing a lot in price... Also thats an 8bit eprom burner only... You could prob find one cheaper by talking direct to the manufacturer in China...

Hope that helps :)

copyNES would totally work yea - you could just dump the SRAM from the cart direct (but of course u need the copyNES h/w)

yep 4mat hit nail on the head -

btw a good tip if you are starting out on Goattracker is learn on Goat 1.53x and once you are comfy in that open your tunes in Goat 2.x and explore how it converts the instruments - you'll be making ace sounds in no time at all :-)

Hey Nick, if you check my guide on putting NTRQ on a Famicom cart you could follow that to build a MMC1 cart with PRG + CHR ram / wram code (guide = pretty much the same for NES) if you have any Q's just pop me a PM like \o_