33 lines
350 B
NASM
33 lines
350 B
NASM
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section .data
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codes: db '0123456789ABCDEF'
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section .text
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global print_hex
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global exit
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print_hex:
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mov rdi, 1
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mov rdx, 1
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mov rcx, 64
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.loop:
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push rax
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sub rcx, 4
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sar rax, cl
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and rax, 0xf
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lea rsi, [codes + rax]
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mov rax, 1
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push rcx
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syscall
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pop rcx
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pop rax
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test rcx, rcx
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jnz .loop
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ret
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exit:
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mov rax, 60
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xor rdi, rdi
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syscall
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