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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This is a cartridge port replicator by [[RACE Electronics]], pretty much like the [http://www.cocopedia.com/wiki/index.php/Multi-Pak Tandy CoCo MultiPak], that allows up to 4 cartridges to be inserted. | This is a cartridge port replicator by [[RACE Electronics]], pretty much like the [http://www.cocopedia.com/wiki/index.php/Multi-Pak Tandy CoCo MultiPak], that allows up to 4 cartridges to be inserted. | ||
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| + | ==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 == | == Pictures == | ||
Latest revision as of 11:20, 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
