DOS Protected Mode Interface
API FOR MS-DOS ALLOWING PROGRAMS TO ACCESS PROTECTED MODE ON 386 (AND LATER) CPUS
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(
DPMI) The method which
Microsoft prescribes for a
DOS
program to access
extended memory under a
multitasking
environment, e.g.
Microsoft Windows. This service is
provided by the HIMEM.SYS driver on
IBM PCs.
The
DPMI specification was finalized in 1990. The
specification itself is available from {Intel Literature
Sales}.
VCPI (Virtual Control Program Interface), which was an
alternative, and incompatible method for doing the same thing.
[
"Windows 3.1 Secrets", Brian Livingston, 1992, ISBN
1-878058-43-6, pages 280-281 and 302].
(1995-01-12)