P.DESC - get field descriptor for TSS special file.

Usage:

fildes = p.desc(filecode);

Where:

filecode

is a word with two BCD characters giving the TSS file code. (e.g. `#d`).

fildes

is a one-word file descriptor for the file, or zero if the filecode is not known.

Description:

P.DESC looks for "filecode" in the .TCFIL table in TSS. If it finds it, it returns the corresponding descriptor from .TCFLT.

See Also:

expl b bmac fildes

For bit masks for the descriptor.

Copyright © 1996, Thinkage Ltd.