- Joined: 24 Mar 2012
- Posts: 7
- Location: Capelle aan den ijssel,Netherlands
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Programmer for EPROM
 Posted: Sat Mar 24, 2012 6:59 pm
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hello i am new on the forum my name is roy from the netherlands and i have a question,is it possible to program a 27C256 eprom chip with for example Tails' Skypatrol from gg to play on the master system,i am going to buy a
USB Programmer for EPROM and some eprom chips and i am verry new to eprom and programming stuff .please help me.I would like to make some reproductions of unreleased and homebrew games for my own collection with some nice covers and stuff
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- Joined: 31 Oct 2007
- Posts: 853
- Location: Estonia, Rapla city
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Posted: Sat Mar 24, 2012 7:44 pm
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the 27C256 is only 32KB in size, no way you'll put Tails game on it
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- Joined: 24 Mar 2012
- Posts: 7
- Location: Capelle aan den ijssel,Netherlands
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Posted: Wed Mar 28, 2012 5:44 pm
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another question what is the difference between d27c256 and 27c256?
i am new in eprom stuff and i am reading a lot now,is it possible to put a 32kb rom on a for example 2mbit eprom?
gr roy
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- Joined: 31 Oct 2007
- Posts: 853
- Location: Estonia, Rapla city
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Posted: Wed Mar 28, 2012 6:36 pm
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that D makes no difference, each manufacturer has its own first letter. AM27C010 and I27C010 are same things, just one is by AMD, other by Intel.
You can put a 32KB game on a 256KB EPROM. You also got to deal with banking on any game that is larger than 32KB, most games require banking hardware.
Original games do mostly have single chip, but it also has integrated banker. There is a page about different external banking chips here on the development pages.
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- Joined: 24 Mar 2012
- Posts: 7
- Location: Capelle aan den ijssel,Netherlands
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Posted: Wed Mar 28, 2012 8:05 pm
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