(
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PATCH COMMAND
The PATCH command allows
you
to
apply internal machine fixes (IMFs)
to
the
5100. The internal machine fixes are supplied by
IBM
on
the
customer support
cartridge. The PATCH command provides you with
the
ability to:
• Copy IMFs
to
a new cartridge.
• Load IMFs
to
storage and then return
to
APL
or
BASIC.
• Display
the
EC
(engineering change) version
of
each interpreter module.
PATCH
• Perform tape recovery when tape read (007) errors occur
on
files with the following
file types:
Data exchange (file
type
01)
General exchange (file
type
02)
BASIC source (file type 03)
APL internal data (file
type
08)
• Copy
the
contents
of
one tape cartridge
to
another tape cartridge.
The copy IMFs. load IMFs. display
EC
version. and tape recovery programs are
provided on a cartridge supplied with the 5100. This cartridge contains the following
files:
• File 1 contains:
- Copy IMFs program
- Load IMFs program
- Display
EC
version program
• File 2 contains IMFs for
5100
• File 3 contains tape recovery program
• File 4 contains tape copy program
To request
one
of
these programs:
• Insert the cartridge
in
the
built-in tape unit.
• Enter PATCH.
• Press EXECUTE.
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