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AX = 122Bh BP = 44xxh SS = DOS DS (must be using a DOS internal stack) additional registers as appropriate for INT 21/AX=44xxh
Return:
As for INT 21/AH=44h
Notes: Equivalent to INT 21/AH=44h, but may only be called when already inside a DOS function call. Sets user stack frame pointer to dummy buffer, moves BP to AX, performs IOCTL, and restores frame pointer. Used by NLSFUNC in accessing COUNTRY.SYS when invoked by the DOS kernel
See Also: INT 21/AH=44h
Category: DOS Kernel - Int 2Fh - D
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