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sst-6809:memory_map [2024/10/13 21:28] – reworked memory map table robertsst-6809:memory_map [2024/10/13 21:30] (current) – add note for ASSIST09 expansion ROM area robert
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 | ::: |  EF00 - EFFF  | [[#Memory Latch Select 256b]] | | ::: |  EF00 - EFFF  | [[#Memory Latch Select 256b]] |
 | ROM |  F000 - FFFF  | [[#EEPROM 4K]] | | ROM |  F000 - FFFF  | [[#EEPROM 4K]] |
-| ::: |  F000 - F3FF  | [[ASSIST09]] Expansion ROM area |+| ::: |  F000 - F3FF  | [[ASSIST09]] Expansion ROM area (unused) |
 | ::: |  F800 - FFFF  | [[ASSIST09]] | | ::: |  F800 - FFFF  | [[ASSIST09]] |
 | MPU |  FFF0 - FFF1  | HD6390 Illegal Opcode/Divide By Zero Trap vector (FFD4) | | MPU |  FFF0 - FFF1  | HD6390 Illegal Opcode/Divide By Zero Trap vector (FFD4) |