INES Mapper 058: Difference between revisions
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NewRisingSun (talk | contribs) (Rewrite. Take the "CHR bank from PPP bits in NROM-128" stuff out of mapper 58 to describe it as emulated in FCEUX and pretty much all other emus.) |
NewRisingSun (talk | contribs) |
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1... .... MSCC CPPP | 1... .... MSCC CPPP | ||
|||| |+++- PRG A16..A14 | |||| |+++- PRG A16..A14 | ||
||++-+---- CHR | ||++-+---- CHR A15..A13 | ||
|+-------- PRG Mode | |+-------- PRG Mode | ||
| 0: NROM-256 (PRG A14=CPU A14) | | 0: NROM-256 (PRG A14=CPU A14) | ||
Revision as of 11:33, 3 November 2019
iNES Mapper 058 is used for a number of simple NROM-/CNROM-based multicarts:
- 21-in-1 (AS-5321)
- 50-in-1 (WQ1806 B)
- 55-in-1 (WQ2006 B)
- 68-in-1 (HKX5268)
- 75-in-1 (WQ1905 E)
- 86-in-1 (AP-5486)
- 92-in-1 (WQ1605 E)
- 97-in-1 (WQ1708 B)
Address Latch ($8000-$FFFF, write)
Mask: $8000
A~FEDC BA98 7654 3210
-------------------
1... .... MSCC CPPP
|||| |+++- PRG A16..A14
||++-+---- CHR A15..A13
|+-------- PRG Mode
| 0: NROM-256 (PRG A14=CPU A14)
| 1: NROM-128
+--------- Nametable mirroring
0: Vertical
1: Horizontal
Notes
- INES Mapper 213 is almost identical, but gets its CHR bank from the PPP bits in NROM-128 mode. Multicarts that consist solely of NROM-256 games will run either as mappers 58 or 213.
