NES 2.0 Mapper 460 denotes the FC-29-40 and K-3101 MMC3--based multicart circuit boards, used by the 13-in-1 實實在在的好朋友 快打的超値感受 and Street Fighter III 40-in-1 - Games Screen Selectable multicarts. Mounting both 512 KiB of CHR ROM and 8 KiB of CHR RAM, they combine the functionalities of INES Mapper 197 with NROM-based 32 KiB banking.
Mask: $E000
A~[011. .... S.NM .CBB]
| || |++- PRG A18..A17
| || +--- 0: 8 KiB of unbanked CHR RAM
| || 1: 512 KiB of CHR ROM
| ++------ PRG ROM banking mode
| 0x: MMC3
| 10: NROM-128
| 11: NROM-256
+--------- 1: Disable PRG ROM if solder pad connected
Value on reset: $00
Categories: Mappers with CHR RAM, MMC3-like mappers, Multicart mappers, MMC3 with CHR ROM and CHR RAM, Mappers with scanline IRQs