🚀 go-pugleaf

We would appreciate any information about invoking user-written subroutines
through the use of an IBM/XT clocked interrupt (INT 0x1C).  Currently, we have
troubles obtaining the segment:offset representation of the interrupt vector.
The seg:offset obtained by ANDing a long pointer (AZTEC compiler V2.0) with  
0xFFFFL and ~0xFFFFL do not appear to correctly represent the location of the
function although AZTEC says the pointers are in 32-bit seg:offset formate.

Any information will be appreciated and may be put on the network or sent to:
Dave Knopp
c/o Vexcel Corp.
2905 Wilderness Pl.
Boulder, CO  80301

Thanks for the help.