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 Post subject: NES Prom Size
PostPosted: Fri Apr 29, 2005 10:14 am 
What size is the U1 Program size device E.G. 27C64? Same for U2 Character Prom.


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PostPosted: Fri Apr 29, 2005 11:24 am 
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Joined: Sun Sep 19, 2004 11:12 pm
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Location: NE Indiana, USA (NTSC)
For commercial NES games:

PRG can be anywhere from 16 KBytes to 512 KBytes depending on the title. CHR can be anywhere from 8 KBytes to 256 KBytes depending on the title, or it can be an 8 KB or (rarely) 16 KB RAM.

EDIT: There are a few Famicom (not NES) games that use 1 MByte PRG ROM + 8 KB CHR RAM, and there are possibly a couple Famicom games (probably all MMC5) that use PRG ROM + 512 KByte CHR ROM.


Last edited by tepples on Fri Apr 29, 2005 12:27 pm, edited 2 times in total.

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 Post subject:
PostPosted: Fri Apr 29, 2005 11:31 am 
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Joined: Fri Nov 12, 2004 2:49 pm
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Location: Chexbres, VD, Switzerland
Some games such as Metal Slader Glory also have 512kb ChrRom.

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