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AH = 43h AL = write flags ---v1.0,2.0---bit 0:
Verify write bits 7-1 reserved (0) ---v2.1+ --- 00h,01h write without verify 02h write with verify. DL = drive number. DS:SI -> disk address packet (see #00272)
Return:
CF clear if successful AH = 00h CF set on error AH = error code (see #00234) disk address packet's block count field set to number of blocks successfully transferred
Note: The BIOS returns CF set/AH=01h (invalid function) if verify is requested but not supported
See Also: AH=03h - AH=41h"INT 13 Ext" - AH=42h"INT 13 Ext" - AH=44h
Category: Disk I/O Enhancements - Int 13h - I
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