Int 4B Fn 810A  - Virtual Dma Specification - Copy Out Of Dma Buffer       [d]

   AX = 810Ah
   DX = 0000h
   ES:DI -> DMA descriptor structure (see #2892,#2894) with buffer ID,
         region segment/offset, and region size fields set
   BX:CX = starting offset into DMA buffer

Return: CF clear if successful
   CF set on error
       AL = error code (see #2889)
BUG:   Windows 3.0 Enhanced mode does not correctly interpret the copy count

See Also: AX=8109h