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Basic Computer with Faults
Directions: Step through the program already prewritten below (First "Burn Prom" and "Load RAM") . It will demonstrate how this programmers model of a simple computer works. The program should add the numbers at addresses 64 and 65 and store results at address 66. Next, insert fault 1, 2, or 3. Inserting fault sets one of the prom bits high or low. By observing program operation determine the address (0 thru 63 of the bad bit and the Data line affected (I/O - 0 thru I/O - 7) . You must click "Burn Proms Button to correct faults before selecting a new fault or you will accumulate multiple faults.
See or make copy of Instruction Set and SPECIFICATIONS.
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Answer Fault 1 Below
Answer Fault 1
At Address 6 Bit1(labeled I/0 line 1) is low when it should be high.
Answer Fault 2 Below
At Address 2 Bit1(labeled I/0 line 1) is low when it should be high.
Answer Fault 3 Below
At Address 6 Bit3(labeled I/0 line 3) is high when it should be a low.