Int 2F/AX=1209h

Int 2F/AX=1209h

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DOS 3.0+ internal - FLUSH AND FREE DISK BUFFER

AX = 1209h DS:DI -> disk buffer

Return:
Disk buffer marked unused, contents written to disk if buffer dirty

Note: Can be called only from within DOS

See Also: AX=120Eh - AX=1215h

Category: DOS Kernel - Int 2Fh - D

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