|
|
| Line 1: |
Line 1: |
| UNIF MAPR '''FARID_UNROM_8-IN-1''' (note underscores) describes a multicart designed by Farid in 2013. It contains eight 128 KiB UNROM games.
| | #REDIRECT [[NES 2.0 Mapper 324]] |
| | |
| It adds a shadowed "outer bank" register on top of the normal UNROM banking register:
| |
| | |
| Note: bus conflicts are present!
| |
| | |
| $8000-$FFFF: [KOOO .III]
| |
| |||| |||
| |
| |||| +++-- Normal UNROM bank register; now inner bank
| |
| |+++------- Outer bank
| |
| +---------- 0 then 1: Latch value written to outer bank and prevent any subsequent writes to outer bank
| |
| | |
| On both warm and cold boot, the outer bank register is cleared (and the ability to latch a new outer bank is re-enabled).
| |
| | |
| Like normal UNROM, the ''III'' bits ignore the status of K.
| |
| | |
| See also:
| |
| * http://forums.nesdev.org/viewtopic.php?t=11099
| |
