NES 2.0 Mapper 452: Difference between revisions
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NewRisingSun (talk | contribs) (Created page with "{{DEFAULTSORT:452}}Category:Multicart mappersCategory:Mappers with CHR RAM'''NES 2.0 Mapper 452''' denotes the '''DS-9-27''' multicart circuit board, used for the RCM ''1992 蓋世 190-in-1 劃面選關'' multicart circuit board with 1 MiB PRG ROM, 8 KiB PRG RAM and 8 KiB unbanked CHR RAM. The 8 KiB of PRG RAM can be mapped anywhere between $8000-$FFFF and are used to run NROM games from partially-decompressed data, creating some rather bizarre memory layouts. =...") |
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{{DEFAULTSORT: | {{DEFAULTSORT:453}}[[Category:Multicart mappers]][[Category:Mappers with CHR RAM]]'''NES 2.0 Mapper 453''' denotes the '''Realtec 8042''' multicart circuit board, used for the ''3-in-1 1995 World Competitive Champion Edition (DG-002)'' multicart. It supports both AOROM and UNROM banking modes. | ||
== | ==Data Latch ($8000-$FFFF), write== | ||
D~[.PpM .BBB] | |||
||| +++- PRG A16..A14 in UNROM mode, | |||
||| PRG A17..A15 in AOROM mode | |||
||+------ Mirroring | |||
|| 0=V, 1=H in UNROM mode, | |||
|| CIRAM A10 in AOROM mode | |||
|+------- PRG A17 in UNROM mode | |||
+-------- PRG A18 | |||
+-------- PRG banking mode | |||
0=UNROM, 1=AOROM | |||
Revision as of 14:50, 2 April 2022
NES 2.0 Mapper 453 denotes the Realtec 8042 multicart circuit board, used for the 3-in-1 1995 World Competitive Champion Edition (DG-002) multicart. It supports both AOROM and UNROM banking modes.
Data Latch ($8000-$FFFF), write
D~[.PpM .BBB] ||| +++- PRG A16..A14 in UNROM mode, ||| PRG A17..A15 in AOROM mode ||+------ Mirroring || 0=V, 1=H in UNROM mode, || CIRAM A10 in AOROM mode |+------- PRG A17 in UNROM mode +-------- PRG A18 +-------- PRG banking mode 0=UNROM, 1=AOROM