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SAM
From CoCopedia - The Tandy/Radio Shack Color Computer Wiki
The SAM or Synchronous Address Multiplexer is a chip that controls access to RAM memory by the 6809 CPU and the VDG (Video Display Generator).
SAM Registers
| Start address | End address | Shorthand name | Function |
|---|---|---|---|
| FFC0 | FFDF | SAM registers (screen mode & offset) | |
