A student is debugging his program. His program does not have access to
memory locations x0000 to x2FFF. Why that is the case we will discuss
before the end of the book. The term is “privileged memory” but not
something for you to worry about today.
Exercises 227
He sets a breakpoint at x3050, and then starts executing the program.
When the program stops, he examines the contents of several memory
locations and registers, then hits single step. The simulator executes
one instruction and then stops. He again examines the contents of the
memory locations and registers. They are as follows: