80 lines
1.3 KiB
NASM
80 lines
1.3 KiB
NASM
global _start
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section .data
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buff times 32 db 0
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count dq 0
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even db "Even"
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evenCount dq $-even
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odd db "Odd"
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oddCount dq $-odd
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section .text
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default rel
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_start:
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call read_text
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lea rsi, [buff]
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add rsi, qword [count]
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sub rsi, 2
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mov rax, [rsi]
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test rax, 0x1
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jnz .even
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.odd:
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lea rsi, [even]
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mov rdx, [evenCount]
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jmp .write
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.even:
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lea rsi, [odd]
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mov rdx, [oddCount]
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.write:
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call write_text
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mov rax, 60
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mov rdi, 0
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syscall
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; Функция читает текст в буффер
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; Регистры не изменяет
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read_text:
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push rax
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push rdi
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push rsi
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push rdx
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mov rax, 0 ; sys_read
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mov rdi, 0 ; stdin
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lea rsi, [rel buff] ; адрес буфера
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mov rdx, 256 ; количество байт
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syscall
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mov [count], rax
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pop rdx
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pop rsi
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pop rdi
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pop rax
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ret
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; Функция выводит buff
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; In:
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; - RSI - начало буфера
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; - RDX - размер буфера
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; Регистры не изменяет
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write_text:
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push rax
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push rdi
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push rsi
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push rdx
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mov rax, 1 ; sys_write
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mov rdi, 1 ; stdout
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syscall
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mov [count], rax
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pop rdx
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pop rsi
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pop rdi
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pop rax
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ret |