INES Mapper 209: Difference between revisions
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{{DEFAULTSORT:209}}[[Category:INES Mappers]][[Category:Mappers with ROM nametables]] | {{DEFAULTSORT:209}}[[Category:INES Mappers]][[Category:Mappers with ROM nametables]][[Category:Mappers with scanline IRQs]][[Category:Mappers with cycle IRQs]] | ||
'''iNES Mapper 209''' refers to versions of the ASIC mapper used by [[JY Company]] where bit 5 of port $D000 switches between simple nametable control (like [[INES Mapper 090]]) and extended nametable control that allows mapping CHR ROM into nametables (like [[iNES Mapper 211]]). | '''iNES Mapper 209''' refers to versions of the ASIC mapper used by [[JY Company]] where bit 5 of port $D000 switches between simple nametable control (like [[INES Mapper 090]]) and extended nametable control that allows mapping CHR ROM into nametables (like [[iNES Mapper 211]]). | ||
Revision as of 17:24, 18 May 2015
iNES Mapper 209 refers to versions of the ASIC mapper used by JY Company where bit 5 of port $D000 switches between simple nametable control (like INES Mapper 090) and extended nametable control that allows mapping CHR ROM into nametables (like iNES Mapper 211).
