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|CPM
|CPM
COMMAND: Switch to alternative disc environment by loading operating system
from a system disc. The operating system supplied with the DDI-1 is CP/M 2.2 This
will fail if drive A does not contain a system disc with CP/M
|DIR
|DIR [,<string expression>]
f$="*.BAS"
|DIR,@f$
COMMAND: Display the disc directory (In CP/M style) and free space. If the <string
expression> is omitted, the wild-card is assumed.
|DISC
|DISC
COMMAND: Equivalent to the two commands |DISC.IN and |DISC.OUT.
|DISC.IN
|DISC.IN
COMMAND: Use disc as file input medium.
|DISC.OUT
|DISC.OUT
COMMAND: Use disc as file output medium.
|DRIVE
|DRIVE,<string expression>
a$=”A”
|DRIVE,@a$
COMMAND: Set the default drive. This will fail if AMSDOS is unable to read the
disc in the requested drive.
AMSTRAD Disc Drive & Interface DDI-1 Manual Chapter 2. 8