Registers and moves
x86-64 assembly operates on registers, and mov copies values.
What you will be able to do
- rax is a general register.
- Use mov dst, src.
- Comments start with ;.
In plain English
x86-64 assembly operates on registers, and mov copies values.
- rax is a general register.
- Use mov dst, src.
- Comments start with ;.
.global _start
.text
_start:
mov $1, %rax
mov $1, %rdi
lea msg(%rip), %rsi
mov $13, %rdx
syscall
mov $60, %rax
xor %rdi, %rdi
syscall
.data
msg: .ascii "Hello, world\n"Your turn
EasyExplain it back
Answer from memory: Which instruction copies a value?
TEXT · starter
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Knowledge checkQuestion 1
Which instruction copies a value?
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