Pull Request: nasm-hello.asm -> hello_nasm.asm (#6667)

examples/assembly/hello_nasm.asm

@@ -0,0 +1,30 @@
+; -------------------------------------------------------------------
+; hello.asm
+;
+; Simple "Hello, world!" program for NASM 2.16.01 (32-bit)
+;
+; Assemble and link with:
+;   nasm -f elf32 hello.asm -o hello.o
+;   ld -m elf_i386 hello.o -o hello
+; -------------------------------------------------------------------
+
+global  _start
+
+section .text
+_start:
+        ; Write "Hello, world!" to stdout (file descriptor 1)
+        mov     eax, 4      ; sys_write
+        mov     ebx, 1      ; stdout
+        mov     ecx, msg    ; message address
+        mov     edx, len    ; message length
+        int     0x80        ; call kernel
+
+        ; Exit program
+        mov     eax, 1      ; sys_exit
+        mov     ebx, 0      ; exit code 0
+        int     0x80        ; call kernel
+
+section .data
+    msg:    db      "Hello, world!", 0xa
+    len:    equ     $ - msg    ; Calculate message length
+