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demos_x64/demo2_x64.asm

@@ -0,0 +1,26 @@
+global  _start
+
+section .data
+
+timespec:
+
+ tv_sec dq 0
+ tv_nsec dq 30000000 ; 30 ms
+
+section .text
+
+_start:
+        mov  al, 0edh
+        out  60h, al
+
+        mov rax, 35
+        mov rdi, timespec
+	xor rsi, rsi
+        syscall
+
+        mov al, 7
+        out 60h, al
+
+        mov eax, 60 
+        xor rdi, rdi
+        syscall

demos_x64/demo_x64.asm

@@ -1,15 +1,33 @@
 global  _start
 
+section .data
+
+timespec:
+ tv_sec dq 3 ; 3 sec
+ tv_nsec dq 0
+
 section .text
+
 _start:
         mov     rax, 1                  ; system call 1 is write
         mov     rdi, 1                  ; file handle 1 is stdout
         mov     rsi, message            ; address of string to output
         mov     rdx, 13                 ; number of bytes
         syscall                         ; invoke operating system to do the write
 
+        mov     rax, 35                 ; system call 35 is sleep
+        mov     rdi, timespec
+ 	xor	rsi, rsi
+        syscall
+
+        mov     rax, 1                  ; system call 1 is write
+        mov     rdi, 1                  ; file handle 1 is stdout
+        mov     rsi, message            ; address of string to output
+        mov     rdx, 13                 ; number of bytes
+        syscall                         ; invoke operating system to do the write
+
         mov     eax, 60                 ; system call 60 is exit
         xor     rdi, rdi                ; exit code 0
         syscall                         ; invoke operating system to exit
 message:
-        db      "Hello, World", 10      ; note the newline at the end
+        db      "Hello, World", 10      ; note the newline at the end