Patch Command - IBM 5100 Basic Reference Manual

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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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