INES Mapper 202: Difference between revisions

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Implemented in BizHawk as of commit f72875b584abd79201ad9d3d0131fa5afcf0c429
Implemented in BizHawk as of commit f72875b584abd79201ad9d3d0131fa5afcf0c429


  ========================
Used for the 150-in-1 pirate cart.
  =  Mapper 202          =
  ========================


Used for the 150-in-1 pirate cart
  Registers:
 
  $8000-FFFF: A~[.... .... .... O..O]
Registers:
                [.... .... .... RRRM]
$8000-FFFF: A~[.... .... .... O..O]
 
              [.... .... .... RRRM]
 
 
  O = PRG Mode, if 3, will use 32 PRG mode, else 16
 
  R = Page registers, used for both CHR 8k banks, and PRG banks (in both 16k and 32k modes)
O = PRG Mode, if 3, will use 32 PRG mode, else 16
  M = Mirroring, 0 = Vertical, 1 = Horizontal
R = page registers, used for both chr 8k banks, and prg banks (in both 16k and 32k modes)
 
M = Mirroring, 0 = Vertical, 1 = Horizontal
  CHR Setup:
 
 
CHR Setup:
                    $0000  $0400  $0800  $0C00  $1000  $1400  $1800  $1C00  
 
                    +-------------------------------+-------------------------------+
                    $0000  $0400  $0800  $0C00  $1000  $1400  $1800  $1C00  
  CHR-ROM:          |                            { 0 }                            |
                  +-------------------------------+-------------------------------+
                    +-------------------------------+-------------------------------+
CHR-ROM:          |                            { 0 }                            |
 
                  +-------------------------------+-------------------------------+
 
 
 
 
  PRG Setup:
 
  ------------------------------
PRG Setup:
  32k Mode:
------------------------------
 
 
  $8000    $A000    $C000    $E000
32k Mode:
  +-------------------------------------+
 
  |                {0}                |
$8000    $A000    $C000    $E000
  +-------------------------------------+
+-------------------------------------+
 
|                {0}                |
 
+-------------------------------------+
  16k Mode:
 
 
 
  In 16k mode both regions are mapped to the same PRG bank
16k Mode:
 
 
  $8000    $A000    $C000    $E000     
In 16k mode both regions are mapped to the same PRG bank
  +--------------------------------------+
 
  |        {0}        |      {0}        |
$8000    $A000    $C000    $E000     
  +--------------------------------------+
+--------------------------------------+
|        {0}        |      {0}        |
+--------------------------------------+

Revision as of 03:39, 2 September 2015


Implemented in BizHawk as of commit f72875b584abd79201ad9d3d0131fa5afcf0c429

Used for the 150-in-1 pirate cart.

 Registers:
 $8000-FFFF: A~[.... .... .... O..O]
               [.... .... .... RRRM]
 
 
 O = PRG Mode, if 3, will use 32 PRG mode, else 16
 R = Page registers, used for both CHR 8k banks, and PRG banks (in both 16k and 32k modes)
 M = Mirroring, 0 = Vertical, 1 = Horizontal
 
 CHR Setup:
 
                    $0000   $0400   $0800   $0C00   $1000   $1400   $1800   $1C00 
                   +-------------------------------+-------------------------------+
 CHR-ROM:          |                             { 0 }                             |
                   +-------------------------------+-------------------------------+
 
 
 
 PRG Setup:
 ------------------------------
 32k Mode:
 
 $8000     $A000     $C000     $E000
 +-------------------------------------+
 |                 {0}                 |
 +-------------------------------------+
 
 
 16k Mode:
 
 In 16k mode both regions are mapped to the same PRG bank
 
 $8000     $A000     $C000     $E000     
 +--------------------------------------+
 |        {0}        |       {0}        |
 +--------------------------------------+