TR1ROM: Difference between revisions

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m (Created page with ''''TR1ROM''' (NES-TR1ROM) is one of the less common boards within the TxROM set. Like other TxROM boards, TR1ROM uses the Nintendo MMC3 ASIC. It should be noted that...')
 
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'''TR1ROM''' (NES-TR1ROM) is one of the less common boards within the [[TxROM]] set. Like other TxROM boards, TR1ROM uses the [[MMC3|Nintendo MMC3]] ASIC.
#REDIRECT [[TxROM]]
It should be noted that most probably, only american NES-TR1ROM boards have ever been produced, so this board has likely no 60-pin "HVC-TR1ROM" counterpart.
 
== Overview ==
* PRG ROM size: 128, 256 or 512 KB (DIP-28/32 Nintendo pinout)
* PRG ROM bank size: 8 KB
* PRG RAM: None
* CHR capacity: 32 or 64 KB ROM (DIP-28 standard pinout)
* CHR bank size: 1 KB and 2 KB
* Nametable [[mirroring]]: Hardwired 4 screen mirroring
* Subject to [[bus conflict]]s: No
 
== Hardware ==
For it's 4-screen mirroring, TR1ROM uses a 8 KB SRAM chip, but only 4 KB is actually used, and the 2 KB VRAM inside the console is always disabled.
 
== See also ==
*[[MMC3|Nintendo MMC3]]

Latest revision as of 20:32, 24 November 2010

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