NES 2.0 Mapper 363

From Nesdev wiki
Jump to: navigation, search

NES 2.0 Mapper 363 is used by only one discovered J.Y. Company multicart:

  • 1998 Super HiK 6-in-1 (JY-117)

It is an odd variant of NES 2.0 Mapper 281/NES 2.0 Mapper 282 with partially overlapping PRG and CHR outer bank bits. It uses the J.Y. Company ASIC. Register $D003 controls 256 KiB outer banks.

Outer Bank Register ($D003)

Mask: $F003

7654 3210
---- ----
.... .pPC
      ||+- Select 256 KiB outer CHR-ROM bank
      ++-- Select 256/512 KiB outer PRG-ROM bank
      +--- Select 512 KiB outer CHR-ROM bank

PRG ($8000-$8FFF) and CHR ($9000-$AFFF) bank select register bits that select 256 KiB banks are masked off.

For a description of all other registers, see J.Y. Company ASIC.