See kids, this is how you *actually* do a real ROM dump... none of that nandroid(etc) cheating! No virus-filled rapidshare downloads and a poorly written msword doc for this either!
Yeah, this was totally not worth the effort that went in to making it :P
Thats awesome! I'm making a gameboy game for a school project, but I have no clue how to do the hardware end, do you think you could help me? I would like to do it like this (http://chunkout.com/?page_id=3) which looks really similar to your project here. I just have no clue how I would get my rom on the chip and the pinouts to everything.
ReplyDeleteHave a read through this page, it details the pinouts fi you are using a cart with an MBC in it: http://reinerziegler.de/readplus.htm
Delete"Universal" IC programmers are quite cheap on ebay - 30 GBP / 45 USD sort of price will get you a USB up-to-date model with a bunch of DIP to PLCC, QFN & TQFP ZIF adapters which will make it a bit easier.
Is your project a completely self-written game? If it will fit in under 32KB then you can skip the MBC requirement as there's enough address bus width to directly connect a "27C256" type device without needing any controller. This will make a difference to the donor game you need to buy.
The final difference is in your link they design and etch a custom PCB (including the edge connector). I avoided that because I didn't have any 0.8mm double sided FR4 handy; though it would look a lot nicer!
*QFN should not have been in that list... haha
DeleteThe game is completely self writen, and there is only one bank and no ram so it should be under 32kb. Will I still need a donor game? I would rather build new without needing to use old games if that is possible. Also I have only ever worked with a few logic gates, and I have no clue what I should be buying chip-wise, could you get me a link for the right 27C256, and programmer for it?
DeleteHmm then the only reason you'd need a donor is for the plastics, and the board(well, connector at least) if you don't have PCB production equipment.
DeleteParts... if you're going for easy-to-solder then this in DIP28 would do the job:
http://www.ebay.co.uk/itm/331417053042
and http://www.ebay.co.uk/itm/331330500821 will program it (and most other things)
Im getting the plastics from here (http://store.kitsch-bent.com/product/clear-plastic-circuit-cases) Im not sure how well a dip would fit into a gameboy cart though
DeleteYou may have to flatten the legs... but soldering anything smaller as a first project might just be asking for trouble. What about the PCB - buying or making? If you're buying that too then you might be alright with SMD, as the solder mask will do most of the work.
DeleteNot really sure, I would like to do it like that chunkout one, but his contact us button seems to be broken. Also I think he designed that board himself.
DeleteAfter looking into it a little more I think I am going to use the laser printer transfer thing to make my board, I just need to know one more thing, is there any difference between the 27c256 and the 28c256 other than that one is eprom and one is eeprom?
DeleteNo, that's the only difference - you'll need a UV box if you make a mistake on the 27c256
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