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Internal operating system usage.
DC_SP is a subcall of OS_SP,
use OSuse OS_
SP insteadSP instead. Attribute (Dev, Dir, Fnm) is set into Filer process if it is running, otherwise by Index. If DQ_Dev argument points to null byte, PA_Dev is used as source. Works if string at HL is terminated by a control-char ($00-$1F).
Related calls
DC_Sp, DC specify
DC_Nq, DC enquire
OS_Sp, specify
OS_NQ, enquire