OS_Byte 199 (changes)

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Programmer's OS Reference SWI Manuals Calls

» Part OS_Byte 15 – SWI Calls

» OS_Byte 199OS

OS_Byte 199

(SWI &06)

Use

The purpose of this call is to read or write the *Spool file handle.

Notes

This call reads or sets the *Spool file handle. A handle of 0 means that spooling is disabled, a non-zero handle means that spooling is enabled (unless disabled with OS_Byte 3).

Changing the spool handle to an invalid file handle can really ruin your day (every call to OS_WriteC etc. will return an error, including the calls used to report the error to screen…).

See also

• OS_Byte
• OS_Byte 3
• OS_WriteC
• *Spool