Difference between revisions of "RACE Computer Expansion Cage"

From The Dragon Archive
(Got confirmation (from tjewell) that reading address $feff does switch to slot 2)
 
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==Technical information==
 
==Technical information==
 
* Writing to address $feff will select one of the 4 slots (0-3 - only bits 0 and 1 are used ; other bits are discarded).
 
* Writing to address $feff will select one of the 4 slots (0-3 - only bits 0 and 1 are used ; other bits are discarded).
* Reading address $feff will select slot 2 (to be confirmed on other boards)
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* Reading address $feff will select slot 2
  
  

Latest revision as of 10:20, 12 June 2021

This is a cartridge port replicator by RACE Electronics, pretty much like the Tandy CoCo MultiPak, that allows up to 4 cartridges to be inserted.

Technical information

  • Writing to address $feff will select one of the 4 slots (0-3 - only bits 0 and 1 are used ; other bits are discarded).
  • Reading address $feff will select slot 2


Pictures