good debugger for sco xenix 286 ?

Mon Apr 24 05:12:55 AEST 1989

I need a decent debugger for a SCO Xenix 286 system. 'adb' just
doesn't (pun intended) hack it for me...

Thanks in advance for any suggestions, public domain or otherwise.
------------- 
Jay Libove		jl42 at andrew.cmu.edu, libove at cs.cmu.edu,
5731 Centre Ave, Apt 3	gateway.sei.cmu.edu!libove!libove, jl42 at andrew.BITnet,
Pittsburgh, PA 15206	psuvax1!pitt!darth!libove!libove,
(412) 362-8983		or uunet!nfsun!libove!libove