|4||Cassette Motor Control||Cassette Motor (0=Off, 1=On)||Printer Strobe (0=High, 1=Low)
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|3||rowspan=4|Keyboard line||rowspan=4|Select keyboard line to be scanned (0-15)||rowspan=4|Same as CPC, but, Aleste uses 0..10 (whilst CPC uses only 0..9)
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|2