NES 2.0 Mapper 445

From NESdev Wiki
Revision as of 11:34, 18 March 2022 by NewRisingSun (talk | contribs) (Created page with "{{DEFAULTSORT:445}}Category:Multicart mappersCategory:MMC3-like mappersCategory:Mappers with scanline IRQs '''NES 2.0 Mapper 445''' denotes the '''DG574B''' MMC3-compatible multicart circuit board. ==Outer PRG Bank ($5000, write)== D~[.PPP ....] Address mask: $F003 +++------- PRG A19..A17 ==Outer CHR Bank ($5001, write)== D~[.CCC ....] Address mask: $F003 +++------- CHR A19..A17 ==Mode ($5002, write)== D~[...? c.?p] Address Mask: $F003...")
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigationJump to search

NES 2.0 Mapper 445 denotes the DG574B MMC3-compatible multicart circuit board.

Outer PRG Bank ($5000, write)

D~[.PPP ....]  Address mask: $F003
    +++------- PRG A19..A17

Outer CHR Bank ($5001, write)

D~[.CCC ....]  Address mask: $F003
    +++------- CHR A19..A17

Mode ($5002, write)

D~[...? c.?p]  Address Mask: $F003
        |  +- PRG A17 Mode
        |      0: from MMC3
        |      1: from Outer PRG Bank
        +---- CHR A17 Mode
               0: from MMC3

Lock ($5003, write)

D~[..L. ....]  Address Mask: $F003
     +------- 1: Lock registers $5000-$5003

MMC3-compatible registers

See MMC3.

Retrieved from "https://www.nesdev.org/w/index.php?title=NES_2.0_Mapper_445&oldid=19271"