Difference between revisions of "PM Memory"

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Line 4: Line 4:
 
|+Pokemon Mini Memory Map
 
|+Pokemon Mini Memory Map
 
! Start
 
! Start
 +
! End
 
! Size
 
! Size
 
! Description
 
! Description
 
|-
 
|-
 
| $000000
 
| $000000
 +
| $000FFF
 
| $001000
 
| $001000
 
| [[PM Bios|Internal BIOS]]
 
| [[PM Bios|Internal BIOS]]
 
|-
 
|-
 
| $001000
 
| $001000
 +
| $001FFF
 
| $001000
 
| $001000
 
| [[PM RAM]]
 
| [[PM RAM]]
 
|-
 
|-
 
| $002000
 
| $002000
 +
| $0020FF
 
| $000100
 
| $000100
 
| [[PM Registers|Hardware Registers]]
 
| [[PM Registers|Hardware Registers]]
 
|-
 
|-
 
| $002100
 
| $002100
| $FFDF00
+
| $1FFFFF
 +
| $1FDF00
 
| [[PM Cartridge|Cartridge Memory]]
 
| [[PM Cartridge|Cartridge Memory]]
 +
|-
 +
| $200000
 +
| $FFFFFF
 +
| $1FFFFF
 +
| [[PM Cartridge|Cartridge Memory (Mirror)]]
 
|}
 
|}

Revision as of 15:36, 21 May 2008

The Pokemon Mini has a 24-bit internal addressing bus. The entire bus is decoded, and thus nothing mirrors except cartridge memory. Externally, the cartridge bus is only 21 bits wide, so anything at or past $20000 is guaranteed to be a mirror of cartridge memory.

Pokemon Mini Memory Map
Start End Size Description
$000000 $000FFF $001000 Internal BIOS
$001000 $001FFF $001000 PM RAM
$002000 $0020FF $000100 Hardware Registers
$002100 $1FFFFF $1FDF00 Cartridge Memory
$200000 $FFFFFF $1FFFFF Cartridge Memory (Mirror)