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Copyright 1991 David Jurgens |
INT 21,50 - Set Current Process ID (Undocumented DOS 2.x)
AH = 50h
BX = process ID number (process PSP segment address)
returns nothing
- the process ID number is actually the segment address of a
program's PSP. This is useful for TSR's to access their own
file handle table inside their PSP.
- this function cannot be called while in an INT 28 handler in
DOS 2.x unless the critical error flag is set or stack corruption
will occur
- safe in DOS 3.x INT 28 handlers since they use a different stack
by default
- available in OS/2 compatibility box
- see INT 21,51 INT 21,62
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| Esc or Alt-X to exit |
int 21,50 |
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