NES 2.0 Mapper 323: Difference between revisions
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NewRisingSun (talk | contribs) (Created page with "Category:Multicart mappers NES 2.0 Mapper 323 is used for Farid's homebrew 8-in-1 SLROM multicart board. It consists of an MMC1 (clone) with WRAM replaced by an outer bank...") |
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[[Category:Multicart mappers]] | [[Category:Multicart mappers|323]] | ||
NES 2.0 Mapper 323 is used for Farid's homebrew 8-in-1 SLROM multicart board. It consists of an MMC1 (clone) with WRAM replaced by an outer bank register. Its UNIF board name is '''FARID_SLROM_8-IN-1'''. | NES 2.0 Mapper 323 is used for Farid's homebrew 8-in-1 SLROM multicart board. It consists of an MMC1 (clone) with WRAM replaced by an outer bank register. Its UNIF board name is '''FARID_SLROM_8-IN-1''' (note underscores). | ||
==Outer Bank Register ($6000-$7FFF, write)== | ==Outer Bank Register ($6000-$7FFF, write)== | ||
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WRAM must be enabled in the MMC1's registers for writes to be effective. | WRAM must be enabled in the MMC1's registers for writes to be effective. | ||
This register is cleared on both warm and cold boot. | |||
==MMC1 registers ($8000-$FFFF)== | ==MMC1 registers ($8000-$FFFF)== | ||
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==See also== | ==See also== | ||
[https://forums.nesdev.org/viewtopic.php? | [https://forums.nesdev.org/viewtopic.php?t=10632 NesDev discussion] | ||
Latest revision as of 04:46, 27 September 2018
NES 2.0 Mapper 323 is used for Farid's homebrew 8-in-1 SLROM multicart board. It consists of an MMC1 (clone) with WRAM replaced by an outer bank register. Its UNIF board name is FARID_SLROM_8-IN-1 (note underscores).
Outer Bank Register ($6000-$7FFF, write)
Mask: $E000 D~7654 3210 --------- .OOO L... ||| +---- 1=Disable decoder (lock Outer Bank) +++------ Select 128 KiB outer PRG-ROM and CHR-ROM bank
WRAM must be enabled in the MMC1's registers for writes to be effective.
This register is cleared on both warm and cold boot.
MMC1 registers ($8000-$FFFF)
See INES Mapper 001.
