Problem

(Simpletron with File Processing) In Exercise, you wrote a software simulation of a comput...

(Simpletron with File Processing) In Exercise, you wrote a software simulation of a computer that used a special machine language called Simpletron Machine Language (SML). In the simulation, each time you wanted to run an SML program, you entered the program into the simulator from the keyboard. If you made a mistake while typing the SML program, the simulator was restarted and the SML code was reentered. It would be nice to be able to read the SML program from a file rather than type it each time. This would reduce time and mistakes in preparing to run SML programs.

a) Modify the simulator you wrote in Exercise to read SML programs from a file specified by the user at the keyboard.

b) After the Simpletron executes, it outputs the contents of its registers and memory on the screen. It would be nice to capture the output in a file, so modify the simulator to write its output to a file in addition to displaying it on the screen.

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