RANA Systems Elite Controller, Руководство пользователя

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ELITE SERIES USER MANUAL APPEN. B - DOS NOTES
under the name specified on the “INIT” command.
B . 2 . F i l e M a n a g e r A l t e r a t i o n s
The only alteration from a program interface
standpoint to the File Manager was to shut down
the disk initialization function call. This was
done simply by having the File Manager return
back to the caller without performing the ini-
tialization. The File Manager will return a “no
error” condition so that the program making the
call can continue.
The File Manager was originally willing to ac-
cept a specification of drive 3 or 4 without any
complaints. For the most part, the File Manager
assumes that the calling program knows what it
is talking about and isn't supplying invalid
parameters.
B . 3 . R W T S A l t e r a t i o n s
The major change to the RWTS calling interface
is identical to the change~ made to the File
Manager. When a call to initialize a diskette
is made to the RWTS, a simple “no error” return
will be performed.
Apart from the ignoring of the initialize func-
tion call, RWTS also has an extension to the “no
operation” function call. (“No operation” ac-
tually means that RWTS is to seek the head to
P a g e B — 3