DOS/32 Advanced DOS Extender - Programmer's Reference


3.06 - DOS function 25h - Set Interrupt Vector

 

In: AH = 25h
AL = INT vector
DS:EDX = selector:offset of interrupt handler
Out:

if successful:
CF clear

if failed:
CF set

Notes:

a) This function sets a protected mode interrupt vector and is equivalent to DPMI function 0205h.

b) This function will indicate an error (set carry flag) if the selector passed in DS was an invalid selector.

 


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