INES Mapper 101: Difference between revisions

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(m101-mention some emulator support levels)
m (add cats, give lower bound (and mostly likely) length of C, compare to other mappers)
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[[Category:iNES Mappers|101]][[Category:Discrete logic mappers|101]]
This mapper is used for instance by Urusei Yatsura - Lum no Wedding Bell.
This mapper is used for instance by Urusei Yatsura - Lum no Wedding Bell.


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     C = Selects 8k CHR @ $0000
     C = Selects 8k CHR @ $0000


It's unknown how many bits C is but it probably isn't 8.
It's unlikely that more than 2 bits of C exist.
 
This is approximately the same as [[iNES Mapper 087|mapper 87]] but with the bits in order, or the same as [[CNROM]] without bus conflicts.

Revision as of 18:40, 10 October 2012

This mapper is used for instance by Urusei Yatsura - Lum no Wedding Bell.

Supported in r3420 BizHawk, r2696 FCEUX (probably has been supported for eons), and reportedly MESS.

Registers:
---------------------------
 $6000-7FFF: [CCCC CCCC]
    C = Selects 8k CHR @ $0000

It's unlikely that more than 2 bits of C exist.

This is approximately the same as mapper 87 but with the bits in order, or the same as CNROM without bus conflicts.