TVROM: Difference between revisions

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(→‎Hardware: what we discovered for rad racer)
(No, Smash TV (NES-5V-USA) is TLROM. This board was used only for Rad Racer II. => TxROM)
 
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'''TVROM''' (NES-TVROM) is one of the less common boards within the [[TxROM]] set. Like other TxROM boards, TVROM uses the [[MMC3|Nintendo MMC3]] ASIC.
#REDIRECT [[TxROM]]
It should be noted that most probably, only american NES-TVROM boards have ever been produced, so this board has likely no 60-pin "HVC-TVROM" counterpart.
 
== Overview ==
* PRG ROM size: 64 KB (DIP-28 Nintendo pinout)
* PRG ROM bank size: 8 KB
* PRG RAM: None
* CHR capacity: 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 its 4-screen mirroring, this boards uses a 8 KB SRAM chip, but only 4 KB is actually used.
The 2 KB VRAM inside of the console is always disabled, and the CIRAM A10 pin of the MMC3 doesn't go to anything.
 
== See also ==
*[[MMC3|Nintendo MMC3]]

Latest revision as of 20:35, 24 November 2010

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