Int 31/AX=0508h

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DPMI 1.0+ - MAP DEVICE IN MEMORY BLOCK

AX = 0508h
ESI = memory block handle
EBX = page-aligned offset within memory block of page(s) to be mapped
ECX = number of pages to map
EDX = page-aligned physical address of device

Return:
CF clear if successful CF set on error AX = error code (8001h,8003h,8023h,8025h) (see #03143)

Notes: Only supported by 32-bit DPMI hosts, but may be used by 16-bit clients. Support of this function is optional; hosts are also allowed to support the function for some devices but not others

See Also: AX=0504h - AX=0509h - AX=0800h - AX=0801h

Category: DOS Extenders - Int 31h - D

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