DOS / Interrupts / Int 2F / 12/11


              DOS INTERNAL SERVICES - Normalize ASCIIZ File Name

Input	DOS1	N	DOS2	N	DOS3	Y	DOS5	Y	Output
AX	12h		11h						AX
BX									BX
CX									CX
DS:SI	Source File Name								DX
ES:DI	Destination for Output								CF