LITTLE MANCOMPUTER ASSIGNMENT-STUDENTS The following Little Man Computer instructions and data are found in memory and the IOR (Input/Output Register). 12 LDA 70 13 ADD 80 70 230 80 210 Show the contents of the PC, MAR, MDR, IR, and A registers at the conclusion of eaci step of the fetch-execute cycle for instruction 13. Note that for instruction 12, changes in register values are in a larger, bolded font ( in instruction 12 is the value from the previous instruction) Instruction 12 PC MAR MDR IR PC MAR 12 12 12 12 12 IR[address) MAR 1270 70 Mem[MAR] MDR12 12 570 570 570 MDR R 570 RIopcode decoder l 12 Mem[MAR/>MDRI 570 12 12 13 230 70 230 MDR A PC-1 PC 70 230 Instruction 13 PC MAR MDR IR PC MAR Mem[MAR MDR MDR IR IR[opcode] decoder IR [address] MAR Mem[MAR]- MDR A+MDR A PC+1 PC