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Int 4B Fn 8108 - Virtual Dma Specification - Release Dma Bufffer [d]
AX = 8108h
DX = flags
bit 0: reserved (zero)
bit 1: data should be copied out of buffer
bits 2-15 reserved (zero)
ES:DI -> DMA descriptor structure (see AX=8102h) with buffer ID set
(also region size/region offset/segment if DX bit 1 set)
Return: CF clear if successful
CF set on error
AL = error code (see AX=8102h)
BUG: under Windows 3.0 Enhanced mode, you must specify that data be copied
for this function to work correctly
See Also: AX=8107h
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