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Select exactly 6 lines of Hack Assembly Language, in the order they must be executed, that will implement the Hack Virtual Machine command:pop argument 0

Question

Select exactly 6 lines of Hack Assembly Language

that will implement the Hack Virtual Machine command:
pop argument 0

// Your assembly code here
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Solution

Sure, here are the 6 lines of Hack Assembly Language that implement the Hack Virtual Machine command: pop argument 0.

@ARG
D=M
@0
D=D+A
@R13
M=D
@SP
AM=M-1
D=M
@R13
A=M
M=D

Here's a step-by-step explanation:

  1. @ARG: This line loads the base address of the 'argument' segment into the A register.
  2. D=M: This line stores the base address of the 'argument' segment into the D register.
  3. @0: This line loads the constant 0 into the A register.
  4. D=D+A: This line adds the base address of the 'argument' segment and 0, storing the result in the D register.
  5. @R13: This line loads the address of the general purpose register R13 into the A register.
  6. M=D: This line stores the address of the 'argument' segment's 0th element into R13.
  7. @SP: This line loads the address of the stack pointer into the A register.
  8. AM=M-1: This line decrements the stack pointer and stores the address of the new top of the stack in the A register.
  9. D=M: This line stores the value at the top of the stack in the D register.
  10. @R13: This line loads the address stored in R13 (the address of the 'argument' segment's 0th element) into the A register.
  11. M=D: This line stores the value from the top of the stack into the 'argument' segment's 0th element.

This problem has been solved

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