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AX = 8104h DX = flagsbit 0:
Reserved (zero)bit 1:
Data should be copied out of buffer bits 2-15 reserved (zero). ES:DI -> DMA descriptor structure (see #03221,#03222) with region size, physical address, and buffer ID fields set
Return:
CF clear if successful DDS physical address field set DDS buffer ID field set (0000h if no buffer allocated) CF set on error AL = error code (see #03218) DDS region size field filled wth maximum contiguous length in bytes
Note: Windows 3.0 does not check whether the region extends beyond the end of a segment
BUG: Windows 3.0 in enhanced mode does not return a correct code on error
Category: Disk I/O Enhancements - Int 4Bh - V
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