In the following problem sets, we will use this expanded set of opcodes for our hypothetical machine:

0001 = Load AC from memory (LOAD)

0010 = Store AC to memory (STORE)

0100 = Subtract memory from AC (result in AC) (SUB)

0101 = Add to AC from memory (result in AC) (ADD)

0110 = Jump to address, absolute jump (JMP)

0111 = Jump to address if result was 0, conditional jump (JMPZ)

1000 = Jump to address if result was negative, conditional jump (JMPN)

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