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INCOMPAT_USES_VECTORS |
If your program is a TSR that hooks an interrupt or exception (see
SetIntVec) or makes any other change
to the interrupt vector table other than traps, you should write
#define INCOMPAT_USES_VECTORS
at the top of at least one source file, before including any header file
from the TIGCC Library.
If this directive is not used, a shell might automatically restore the hooked
interrupt, rendering the TSR useless. Or it might even just free other
resources allocated by the program, causing a crash.
See also: INCOMPAT_USES_TRAPS