Back in 1988, my manager, who is taking graduate School courses at a local college, requested that we start writing test programs instead of walking down stairs

Back in 1988, my manager, who is taking graduate School courses at a local college, requested that we start writing test programs instead of walking down stairs, loading and running our assembly code on the local machine. To generate adequate tests, we would have to simulate part of the actual machine. Fortunately, he understood we were more likely to write a bad emulator and let us get our exercise instead