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AX = 252Bh BH = 0Bh BL = subfunction 00h by linear address ECX = linear address at which to map data file 01h by logical address ES:ECX = logical address at which to map data file EDX = number of bytes to map DS:ESI -> mapping structure (see #01373) DS:EDI -> ASCIZ filename
Return:
CF clear if successful CF set on error EAX = error code 0002h file error ECX = phase (01h opening file, 02h seeking, 03h reading) EDX = error code returned by DOS 0009h invalid address 0081h invalid parameters or 386|VMM not present 0086h all 386|VMM file handles already in use
See Also: AX=252Bh/BH=03h - AX=252Bh/BH=09h
Format of Phar Lap mapping structure: Offset Size Description (Table 01373) 00h DWORD starting file offset to be mapped 04h DWORD DOS file access and sharing modes (see #01403 at INT 21/AH=3Dh)
Category: DOS Extenders - Int 21h - P
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