Set Extended Processor Exception Handler Vector (Real Mode) [1.0]

Sets the address of the client's protected mode handler for the specified real mode exception.

Call With

AX = 0213H
BL = exception/fault number (00H-1FH)
CX:(E)DX = selector:offset of exception handler


if function successful
Carry flag = clear

if function unsuccessful
Carry flag = set
AX = error code
8021Hinvalid value (BL not in range 00H-1FH)
8022Hinvalid selector