Difference between revisions of "PM Memory"

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|-
 
|-
 
| $200000
 
| $200000
 +
| $3FFFFF
 +
| $200000
 +
| [[PM Cartridge|Cartridge Memory (Mirror)]]
 +
|-
 +
| $400000
 +
| $5FFFFF
 +
| $200000
 +
| [[PM Cartridge|Cartridge Memory (Mirror)]]
 +
|-
 +
| $600000
 +
| $7FFFFF
 +
| $200000
 +
| [[PM Cartridge|Cartridge Memory (Mirror)]]
 +
|-
 +
| $800000
 +
| $9FFFFF
 +
| $200000
 +
| [[PM Cartridge|Cartridge Memory (Mirror)]]
 +
|-
 +
| $A00000
 +
| $BFFFFF
 +
| $200000
 +
| [[PM Cartridge|Cartridge Memory (Mirror)]]
 +
|-
 +
| $C00000
 +
| $DFFFFF
 +
| $200000
 +
| [[PM Cartridge|Cartridge Memory (Mirror)]]
 +
|-
 +
| $E00000
 
| $FFFFFF
 
| $FFFFFF
| $E00000
+
| $200000
| [[PM Cartridge|Cartridge Memory (Mirrored 7 Times)]]
+
| [[PM Cartridge|Cartridge Memory (Mirror)]]
 
|}
 
|}

Revision as of 15:39, 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 $3FFFFF $200000 Cartridge Memory (Mirror)
$400000 $5FFFFF $200000 Cartridge Memory (Mirror)
$600000 $7FFFFF $200000 Cartridge Memory (Mirror)
$800000 $9FFFFF $200000 Cartridge Memory (Mirror)
$A00000 $BFFFFF $200000 Cartridge Memory (Mirror)
$C00000 $DFFFFF $200000 Cartridge Memory (Mirror)
$E00000 $FFFFFF $200000 Cartridge Memory (Mirror)