TOPS-10 Monitor Calls Manual Volume 2 AA-K039D ... - Trailing-Edge

MTDEC. [MTAPE 100]
22.96 MTDEC. [MTAPE 100]
FUNCTION
Initializes a channel for DIGITAL-compatible mode tape handling.
FILOP. to perform an MTDEC. on an extended I/O channel.
Use
In DIGITAL compatible mode, the monitor writes or reads 36 bits in 5
frames of a 9-track magnetic tape. The tape can be any density or
parity and is not industry-compatible. DIGITAL compatible mode is the
default mode that is set when the channel is opened.
The DIGITAL-compatible mode remains in effect until the channel is
released, or until you issue the MTIND. monitor call for the channel.
CALLING SEQUENCE
MTDEC.
return
channo,
In the calling sequence, the program supplies the channo, which is the
number of a channel initialized for a magtape device.
RETURN
The device associated with the given channel is initialized for
DIGITAL-compatible mode handling.
EXAMPLES
RELATED CALLS
MTDEC. 11,
o
o
FILOP.
TAPOP.
COMMON PROGRAMMING ERRORS
Including an error return where none exists.
Forgetting to include a comma after the channel number.
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