|
|
| (One intermediate revision by one other user not shown) |
| Line 1: |
Line 1: |
| [[Category:INES Mappers|186]] {{DEFAULTSORT:186}} [[category:Mappers using $4020-$5FFF]] [[Category:Mappers with large PRG RAM]]
| | {{DEFAULTSORT:186}}[[Category:Bad iNES Mappers]][[Category:INES Mappers]] |
| | | '''iNES Mapper 186''' was originally assigned for the BIOS of the [[Fukutake Study Box]]. The only emulators that emulate this device, Mesen and NintendulatorNRS, both require the BIOS image as a headerless .BIN file however, making this mapper assignment useless. |
| [[iNES Mapper 186]] is used for Fukutake Shoten's Japanese edutainment game ''Study Box''. This information is currently identical to FCEUX's source and should NOT be treated as any more authoritative.
| |
| | |
| Write mask: $FE03
| |
| $4200 write: [RR.. ....] - select one of four 8 KiB PRG-RAM banks at $6000
| |
| $4201 write: [.... PPPP] - select one of sixteen 16 KiB PRG-ROM banks at $8000
| |
| $4202 write: unknown
| |
| $4203 write: unknown
| |
| | |
| TCRF claims that there's a printer interface.
| |
| | |
| Read mask: $FFFF
| |
| $4200, $4201, $4203 read: returns $00
| |
| $4202 read: returns $40
| |
| $4204-$43FF read: returns $FF
| |
| | |
| The readable ports may have something to do with what Санчез describes as an "Audio Tape reader" and "power supply condition". TCRF additionally mentions a touchpad interface.
| |
| | |
| Memory locations:
| |
| $4400-$4FFF: 3 KiB PRG-RAM
| |
| $6000-$7FFF: 8 KiB PRG-RAM bank (one of four)
| |
| $8000-$BFFF: 16 KiB switchable PRG-ROM bank
| |
| $C000-$FFFF: 16 KiB fixed PRG-ROM bank (always bank 0)
| |
| | |
| Having 35 KiB of PRG-RAM seems unlikely, and probable that the 3 KiB slice overlaps with some of the bankable 32 KiB of RAM. Санчез doesn't say anything more specific, unfortunately.
| |
| | |
| See also:
| |
| * http://cah4e3.shedevr.org.ru/dumping_2005.php
| |
| * http://sourceforge.net/p/fceultra/code/HEAD/tree/fceu/trunk/src/boards/186.cpp
| |
| * https://tcrf.net/StudyBox
| |
iNES Mapper 186 was originally assigned for the BIOS of the Fukutake Study Box. The only emulators that emulate this device, Mesen and NintendulatorNRS, both require the BIOS image as a headerless .BIN file however, making this mapper assignment useless.
