Int 2F/AX=B703h

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DOS 3.3, DOS 5.0 APPEND - HOOK INT 21

AX = B703h
ES:DI -> INT 21 handler APPEND should chain to


Return:
ES:DI -> APPEND's INT 21 handler

Note: Each invocation of this function toggles a flag which APPEND uses to determine whether to chain to the user handler or the original INT 21

See Also: AX=B700h - AX=B706h

Category: File Manipulation - Int 2Fh - D

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