INES Mapper 211: Difference between revisions

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{{DEFAULTSORT:211}}[[Category:iNES Mappers]][[Category:Mappers with ROM nametables]]
{{DEFAULTSORT:211}}[[Category:iNES Mappers]][[Category:Mappers with ROM nametables]]
<!-- According to [http://svn.opennestopia.staulkor.com/Nestopia/core/board/NstBoardJyCompany.cpp Nestopia's] and [http://fceultra.svn.sourceforge.net/viewvc/fceultra/fceu/src/boards/90.cpp?view=markup FCEUX's] source, -->[[iNES Mapper 211]] represents a ''third'' variant of the IC used by mappers [[iNES Mapper 090|90]] and [[iNES Mapper 209|209]], and never allows the use of the simple H/V/1scA/1scB mirroring control. (i.e. it acts as though $D000 always had its $20s bit set)
<!-- According to [http://svn.opennestopia.staulkor.com/Nestopia/core/board/NstBoardJyCompany.cpp Nestopia's] and [http://fceultra.svn.sourceforge.net/viewvc/fceultra/fceu/src/boards/90.cpp?view=markup FCEUX's] source, -->[[iNES Mapper 211]] represents a variant of the [[JY Company]] ASIC mapper that uses only extended nametable control.
 
== Variants ==
[[iNES Mapper 090]] uses the simple H/V/1scA/1scB mirroring control, and [[iNES Mapper 209|209]] allows switching between the two modes.

Revision as of 22:37, 3 November 2014

iNES Mapper 211 represents a variant of the JY Company ASIC mapper that uses only extended nametable control.

Variants

iNES Mapper 090 uses the simple H/V/1scA/1scB mirroring control, and 209 allows switching between the two modes.