From a5a36086b0f2810691cceb40c9fd178825ed948d Mon Sep 17 00:00:00 2001
From: root <root@vps1726121001.tech0.ru>
Date: Fri, 13 Sep 2024 00:07:13 +0300
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---
 01-asm-basics/time.asm | 67 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 01-asm-basics/time.asm

diff --git a/01-asm-basics/time.asm b/01-asm-basics/time.asm
new file mode 100644
index 0000000..458ce24
--- /dev/null
+++ b/01-asm-basics/time.asm
@@ -0,0 +1,67 @@
+global main
+
+extern printf
+
+%define CLOCK_REALTIME 0
+
+; struct timespec { time_t tv_sec; long tv_nsec; }
+struc timespec
+  .tv_sec: resq 1
+  .tv_nsec: resq 1
+endstruc
+
+section .note.GNU-stack ; чтобы не жаловался линкер
+
+section .bss
+
+start: ; uses timespec model
+  times 2 resq 1
+
+finish:
+  times 2 resq 1
+
+section .data
+
+  fstring db "Operations took %ul seconds and %ul milliseconds", 10, 0
+  flen equ $-fstring
+
+section .text
+
+main: ; лично в моей системе time_t представляет из себя long int
+  mov rax, 228 ; Системный вызов получения времени
+  mov rdi, CLOCK_REALTIME
+  mov rsi, start
+  syscall
+
+  ; insert your code here
+  mov rcx, 20000
+
+  looper:
+  mov rax, start
+  loop looper
+
+  mov rax, 228
+  mov rdi, CLOCK_REALTIME
+  mov rsi, finish
+  syscall
+
+  ; считаем время для секунда и миллисекунд
+  ; секунды
+  mov rsi, [finish + timespec.tv_sec]
+  sub rsi, [start + timespec.tv_sec]
+
+  ; миллисекунды
+  mov rdx, [finish + timespec.tv_nsec]
+  sub rdx, [start + timespec.tv_nsec]
+
+  mov rdi, fstring
+  mov rax, 0
+  sub rsp, 8
+  call printf
+  add rsp, 8
+
+exit:
+  mov rax, 60
+  mov rdi, 0
+  syscall
+