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Int 21 Fn 83 - European MS-dos 4.0 - "partition" - Get/set Foreground Pa [D]
AH = 83h
AL = function
00h get size
01h set new size
BX = new size in paragraphs
Return: CF clear if successful
BX = current size (function 00h) or old size (function 01h)
CF set on error
AX = error code (01h,07h,0Dh)(see AH=59h)
Desc: specify or determine how much memory may be allocated by the foreground
process
Note: if the partition size is set to 0000h, no partition management is done
and all memory allocation is compatible with DOS 3.2.
the partition size can be changed regardless of what use is being made
of the changed memory; subsequent allocations will follow the
partition rules (foreground processes may allocate only foreground
memory; background processes allocate background memory first, then
foreground memory)
See Also: AH=48h,AH=4Ah
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