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section .data
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stack_at_first_entry:
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dq 0
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section .text
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global menu
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extern _menu
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menu:
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xor eax, eax
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cmp [rel stack_at_first_entry], rax
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jne .L1
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mov [rel stack_at_first_entry], rsp
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jmp .L2
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.L1:
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mov rsp, [rel stack_at_first_entry]
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.L2:
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push 0
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push 0
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jmp _menu
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