I should mention that "at rl0 ..." also doesn't work: sim> at rl0 /users/vandys/tmp/v7/v7_rl02_1145 sim> b rl0 @/ @/ HALT instruction, PC: 000002 (HALT) sim> Received: (from major at localhost) by minnie.cs.adfa.edu.au (8.9.3/8.9.3) id IAA64000 for pups-liszt; Mon, 24 Jul 2000 08:06:36 +1000 (EST) (envelope-from owner-pups at minnie.cs.adfa.edu.au)