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Simtel MSDOS 1996 September
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wbios.doc
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1984-06-11
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Window is in source code form, and no fee is charged for it. However,
no support is given either; i.e., if a user chooses to use it, he
should be willing to make any enhancements he feels are necessary
himself.
First is a short Turbo Pascal (version 1) program, demonstrating the
windows. Second is the source code for the bios extension. To use it,
assemble the BIOS extension and convert it to a COM file WBIOS.COM.
(I.e., assemble it, run it through the linker, and use EXE2BIN.)
Then give the command
A> WBIOS
and it will install itself in memory. Thereafter, you issue commands to
it via the normal display I/O call in the IBM BIOS; WBIOS will intercept
the call, process it if it is a window function, otherwise pass control
to the ROM BIOS for processing.
J. Eric Roskos