https://www.nesdev.org/w/index.php?title=NES_2.0_Mapper_302&feed=atom&action=historyNES 2.0 Mapper 302 - Revision history2024-03-29T13:29:41ZRevision history for this page on the wikiMediaWiki 1.39.0https://www.nesdev.org/w/index.php?title=NES_2.0_Mapper_302&diff=7778&oldid=prevNewRisingSun: Created page with "{{DEFAULTSORT:302}}Category:FDS conversion mappersNES 2.0 Mapper 302 is used for Kaiser's ROM cartridge conversion of the Japanese Famicom Disk System version of ''Gyruss'..."2018-04-24T20:14:42Z<p>Created page with "{{DEFAULTSORT:302}}<a href="/wiki/Category:FDS_conversion_mappers" title="Category:FDS conversion mappers">Category:FDS conversion mappers</a>NES 2.0 Mapper 302 is used for Kaiser's ROM cartridge conversion of the Japanese Famicom Disk System version of ''Gyruss'..."</p>
<p><b>New page</b></p><div>{{DEFAULTSORT:302}}[[Category:FDS conversion mappers]]NES 2.0 Mapper 302 is used for Kaiser's ROM cartridge conversion of the Japanese Famicom Disk System version of ''Gyruss''. Its UNIF board name is '''UNL-KS7057'''.<br />
<br />
=Banks=<br />
* CPU $6000-$67FF: 2 KiB switchable PRG-ROM bank<br />
* CPU $6800-$6FFF: 2 KiB switchable PRG-ROM bank<br />
* CPU $7000-$77FF: 2 KiB switchable PRG-ROM bank<br />
* CPU $7800-$7FFF: 2 KiB switchable PRG-ROM bank<br />
* CPU $8000-$87FF: 2 KiB switchable PRG-ROM bank<br />
* CPU $8800-$8FFF: 2 KiB switchable PRG-ROM bank<br />
* CPU $9000-$97FF: 2 KiB switchable PRG-ROM bank<br />
* CPU $9800-$9FFF: 2 KiB switchable PRG-ROM bank<br />
* CPU $A000-$BFFF: 8 KiB fixed PRG-ROM bank #$0D<br />
* CPU $C000-$FFFF: 16 KiB fixed PRG-ROM bank #$07<br />
* PPU $0000-$1FFF: 8 KiB unbanked CHR-RAM<br />
<br />
=Registers=<br />
==Mirroring select ($8000-$9FFF)==<br />
Mask: unknown, probably $E000<br />
<br />
D~7654 3210<br />
---------<br />
.... ...M<br />
+- Select nametable mirroring type<br />
0: Vertical<br />
1: Horizontal<br />
==PRG-ROM Bank ($B000-$E003)==<br />
Mask: unknown, probably $F003<br />
<br />
A~FEDC BA98 7654 3210<br />
-------------------<br />
1RRR .... .... ..RN<br />
||| |+- 0: Select low nibble<br />
||| | 1: Select high nibble<br />
+++-------------+-- Select register number<br />
$B000/$B001: Set 2 KiB PRG-ROM bank at CPU $8000-$87FF<br />
$B002/$B003: Set 2 KiB PRG-ROM bank at CPU $8800-$8FFF<br />
$C000/$C001: Set 2 KiB PRG-ROM bank at CPU $9000-$97FF<br />
$C002/$C003: Set 2 KiB PRG-ROM bank at CPU $9800-$9FFF<br />
$D000/$D001: Set 2 KiB PRG-ROM bank at CPU $6000-$67FF<br />
$D002/$D003: Set 2 KiB PRG-ROM bank at CPU $6800-$6FFF<br />
$E000/$E001: Set 2 KiB PRG-ROM bank at CPU $7000-$77FF<br />
$E002/$E003: Set 2 KiB PRG-ROM bank at CPU $7800-$7FFF</div>NewRisingSun