Checksum: 20533 Path: utzoo!utgpu!ggreaves From: ggreaves@gpu.utcs.toronto.edu (Greg Greaves) Date: Tue, 10-May-88 16:57:21 EDT Message-ID: <1988May10.165721.21794@gpu.utcs.toronto.edu> Organization: University of Toronto Computing Services Newsgroups: comp.sys.ibm.pc Subject: MSC 5.x interrupt handlers I'm trying to write an interrupt handler in C using the _dos_setvect() function to trap critical dos errors. I can get into the handler but on exit (yes there is a 0, 1, or 2 in the AL) the machine hangs. Can anybody out there steer me in the right direction on using MSC to write interrupt handlers? Thanks in advance, -Greg