[LEFQ3: what are the different stages in Execution of the Little Man Computer and
LMC Instruction set?
Execution of the Little Man Computer:
Fetch
Then looks at the instruction counter.
Retrieves the instruction from the mailbox indicated by the counter.
Increments the instruction counter.
Execute
Then performs the instruction retrieved from the previous step.
LMC Instruction set:
Instructions are described by three-digit numbers. The first digit specifies an operation. The last two digits are used for various purposes point to an address. The instructions provide operations that can move data between the mail slots and the calculator, move data between the calculator and the input and output baskets, perform addition and subtraction, and allow the Little Man to stop working. There are also instructions that cause the Little Man to change the order in which instructions are executed, either unconditionally or based on the value in the calculator.
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