INES Mapper 201: Difference between revisions
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(look through goodnes for m201 games for number of bits in register) |
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| $8000 | | | $8000 | | ||
+-------------------------------+ | +-------------------------------+ | ||
There are almost assuredly only 2 bits in the above register (all known games are 128KiB PRG / 32KiB CHR) | |||
Revision as of 19:28, 13 May 2013
Here are Disch's original notes:
========================
= Mapper 201 =
========================
Example Games:
--------------------------
8-in-1
21-in-1 (2006-CA) (Unl)
Registers:
---------------------------
$8000-FFFF: A~[.... .... RRRR RRRR]
R = PRG/CHR Reg
CHR Setup:
---------------------------
$0000 $0400 $0800 $0C00 $1000 $1400 $1800 $1C00
+---------------------------------------------------------------+
| $8000 |
+---------------------------------------------------------------+
PRG Setup:
---------------------------
$8000 $A000 $C000 $E000
+-------------------------------+
| $8000 |
+-------------------------------+
There are almost assuredly only 2 bits in the above register (all known games are 128KiB PRG / 32KiB CHR)
