interrupt far functions in Microsoft 5.1

[Jon Brinkmann]

In article <martino.664466611 at krypton> martino at logitek.co.uk (Martin O'Nions) writes:
#lorvig at gsg.UUCP (Don Lorvig) writes:
#> have been using void far interrupt routines for some time now.  The
#>addresses of this routines are passed to a TSR which executes them.
#>Recently I began attempting to make this functions more complex. (They
#>merely set flags before). When I attempt function calls from within
#>these interrupt routines, strange behavior results.

I've encountered similar problems.  Many of the MSC routines will not work
when used in a ISR or TSR.  A good addition to your MSC manuals is an
article on writing TSRs in MSC:

	Christian, Kaare, "Using MicroSoft C Version 5.1 to Write
	Terminate-and-Stay-Resident Programs", MicroSoft Systems
	Journal, September 1988, Volume 3, Number 5, pages 47 - 57.

Jon
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