project: reusable print function

Author: MxPerrot

projects/print_function.asm

@@ -0,0 +1,34 @@
+section .data
+    msg1 db "Hello!", 0xA
+    len1 equ $ - msg1
+
+    msg2 db "This is a reusable print function.", 0xA
+    len2 equ $ - msg2
+
+section .text
+    global _start
+
+_start:
+    ; Print msg1
+    mov ecx, msg1
+    mov edx, len1
+    call print
+
+    ; Print msg2
+    mov ecx, msg2
+    mov edx, len2
+    call print
+
+    ; Exit
+    mov eax, 1
+    xor ebx, ebx
+    int 0x80
+
+; ----------------------------------------
+; print function (uses ecx and edx)
+; ----------------------------------------
+print:
+    mov eax, 4
+    mov ebx, 1
+    int 0x80
+    ret