Changes

|''Bit''||''Description''||''Usagein CPC''||''Usage in Aleste''

|7||PSG BDIR||rowspan=2|PSG function selection||Same as in CPC

|5||Cassette Write data||Cassette Out (sometimes also used as Printer Bit7, see [[8bit Printer Ports]])||Cassette Out

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|4||Cassette Motor Control||set bit to "1" for motor onCassette Motor (0=Off, or "1=On)||Printer Strobe (0" for motor off=High, 1=Low)

|3||rowspan=4|Keyboard line||rowspan=4|Select keyboard line to be scanned (0-15) (of which||Same as CPC, but, Aleste uses 0..10, (whilst CPC uses only 0..9)