NES 2.0 Mapper 434: Difference between revisions
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NewRisingSun (talk | contribs) (Created page with "{{DEFAULTSORT:434}}Category:Multicart mappersCategory:Mappers with CHR RAM '''NES 2.0 Mapper 434''' denotes the '''S-009''' PCB, used by multicarts consisting of sever...") |
NewRisingSun (talk | contribs) (Correct masks) |
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==Outer Bank Register ($6000-$7FFF)== | ==Outer Bank Register ($6000-$7FFF)== | ||
Mask: $ | Mask: $E000 | ||
D~7654 3210 | D~7654 3210 | ||
| Line 13: | Line 13: | ||
==Inner Bank Register ($8000-$FFFF)== | ==Inner Bank Register ($8000-$FFFF)== | ||
Mask: $ | Mask: $8000 | ||
D~7654 3210 (bus conflicts) | D~7654 3210 (bus conflicts) | ||
Revision as of 21:40, 8 March 2022
NES 2.0 Mapper 434 denotes the S-009 PCB, used by multicarts consisting of several UNROM games.
Outer Bank Register ($6000-$7FFF)
Mask: $E000
D~7654 3210
---------
..M. .PPP
| +++- PRG A19..A17
+------- 0: Vertical mirroring
1: Horizontal mirroring
Inner Bank Register ($8000-$FFFF)
Mask: $8000
D~7654 3210 (bus conflicts)
---------
.... .PPP
+++- PRG A16..A14 if CPU A14=0
