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KC Compact Computer

353 bytes added, 03:03, 28 January 2010
The case of the KC compact is the same as the Robotron BIC A5105, but has different hardware inside. The KC Compact I have does not have a information sticker on the underside, but information for the A5105!
Many of the IC's inside are Russian and clones of other IC's. (The U880 UA880 is a clone of the Zilog Z80, and the U82536 is a clone of the Zilog Z8536).
I know of only a few people who have a real KC Compact (Andreas Kruger, Thomas Tratz, Frank Salmon of Oldbits computer collection and myself), if there are others please contact me and I will make a list of KC Compact owners, and you will be members of an exclusive club! :)
This section describes the known hardware differences. This information is not definitive. I do not know all differences,

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== UA880 CPU (equivalent to Zilog Z80) == The KC compact uses a U880 UA880 CPU which is a Russian clone of the Z80. Are there any differences compared to a real Z80?* The KC Compact System Handbook lists "SLL" as documented opcode (which is undocumented on Z80)* The Handbook also lists INF and OUTF opcodes, and describes them to input/output the FLAG register (as far as I know, the Z80 does NOT work like that, instead it'd output ZERO, or input NOTHING, wouldn't it?)
== Video ==
Nocash
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