First Class Peripherals Sider D4, Инструкция по установке и эксплуатации

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5.18 SELECT.SYSTEM
P U R P O S E :
This is an alternate version of the SiderFile program selector. It
is entirely memory resident and can be used by non-hard disk
systems.
HOW TO USE:
To use select.system, make it the first “.SYSTEM” file on your
boot disk. When booted or when you quit an application,
SELECT.SYSTEM will read all disk drives and display the list
of volume names. Use the right and left arrows (only) to select
the one you want and then press RETURN. The directory from
that drive will then be read and the sub-directory file names are
displayed as well as the SYS file names. You can select a sub-
directory - then its sub-directories and SYS tiles will be
displayed
- and so on.
You can press TAB to switch the highlighted name between the
SYS and DIR pails of the screen.
If you press RETURN when a SYS tile is highlighted, that file
will be mn with the prefix set to the present directory.
If you press ESC then one level of the prefix is ‘popped”. If that
leaves no prefix, then all the drives are polled again just as at the
start.
This program must reside in a limited space, hence error check-
ing is minimal and there are few options.
SELECT.SYSTEM can be modified to automatically load an ap-
plication of your choosing in the same way PROSEL.SYSTEM
can. See the ProSel Appendix.
9 8 S E L E C T . S Y S T E M