DOS/32 Advanced DOS Extender
- Programmer's Reference
2.42 - DPMI function 0703h
- Discard Page Contents
Discards the entire contents
of a given linear memory range. This function is used when a memory object
(such as a data structure) that occupies a given area of memory is no longer
needed, so that the area will not be paged to disk unnecessarily. The contents
of the discarded region will be undefined.
In: |
AX = 0703h
BX:CX = starting linear address of pages to discard
SI:DI = size of region to discard (bytes) |
Out: |
if successful:
CF clear
if failed:
CF set
AX = error code
8025h - invalid linear address (range
unallocated)
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Notes:
a) DOS/32 Advanced DPMI
will perform no action on this function and will always return with carry
flag clear.
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