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| iNES Mappers 90/209/211/35 are used for later single-cartridge releases from J.Y. Company and at least one multicart. It uses the [[J.Y. Company ASIC]] with an outer PRG-ROM bank size of 512 KiB.
| | #REDIRECT [[J.Y. Company ASIC]] |
| | | {{DEFAULTSORT:090}}[[Category:INES Mappers]][[Category:Mappers with ROM nametables]][[Category:Mappers with scanline IRQs]][[Category:Mappers with cycle IRQs]][[Category:Mappers using J.Y. Company ASIC]] |
| * Mapper 209 is the standard implementation
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| ** ''Mighty Morphin' Power Rangers III'', alternative title ''Mighty Morphin' Power Rangers: The Movie IV''
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| ** ''Mike Tyson's Punch-Out!!''
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| ** ''Shin Samurai Spirits 2''
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| * Mapper 90 inhibits, via jumper, ROM nametables and Extended Mirroring that would otherwise be enabled via register.
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| ** ''1998 Super 45-in-1'' (JY-120A)
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| ** ''Aladdin'' (Hummer Team's port of Capcom's SNES game), alternative titles ''Aladdin II''/''III'' and ''Popeye II: Travels in Persia''
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| ** ''Contra Spirits''
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| ** ''Mickey Mania 7'', alternative title ''China Rabbit Baby''
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| ** ''Mortal Kombat II Special'', also known as ''Mortal Kombat 3 Special 56 Peoples''
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| ** ''Super Aladdin: The Return of Jaffar''
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| ** ''Super Mario World''
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| ** ''Tekken 2'', alternative title ''Battle Arena Toushinden''
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| * Mapper 211 supposedly has ROM nametables and Extended Mirroring always enabled regardless of register content. No such PCB exists in real hardware; the mapper was defined when the function of register [[J.Y._Company_ASIC#Mirroring_Select_.28.24D001.29|$D001 bit 3]] was not known, and is a mere duplicate of Mapper 209 with correct emulation.
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| ** ''Donkey Kong Country 4'', alternative title ''The Jungle Book 2''
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| ** ''Final Fight 3''
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| ** ''Tiny Toon Adventures 6', alternative title ''Porky Pig & Daffy Duck''
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| * Mapper 35 is a duplicate of Mapper 209 which explicitly specifies 8 KiB of WRAM. In the presence of a valid NES 2.0 header, which has its own PRG-RAM field, Mapper 35 is a duplicate of Mappers 209.
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| ** ''Warioland II'' (hack of ''Yoshi no Kirby: Yume no Izumi no Monogatari''
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| ==Outer Bank Select ($D003)==
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| Mask: $F803. This means that writes are ignored if address bit 11 is set.
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| D~7654 3210
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| ---------
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| 4.Lc cPPC
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| | || |||+- If L=0: Select 256 KiB outer CHR-ROM bank (CHR A18), ignored if L=1
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| | || |++-- Select 512 KiB outer PRG-ROM bank (PRG A19-A20)
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| | |+-+---- Select 512 KiB outer CHR-ROM bank (CHR A19-A20)
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| | +------- Select outer CHR-ROM bank size
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| | 0: Mask $900x/$A00x to 256 KiB, use C
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| | 1: Mask $900x/$A00x to 512 KiB, ignore C
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| +--------- Select [[MMC4]]-like automatic CHR-ROM bankswitching mode
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| 0: Disable
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| 1: Enable (only meaningful in 4 KiB CHR-ROM banking mode)
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| For a description of all other registers, see [[J.Y. Company ASIC]].
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