External include files

functions.asm

@@ -0,0 +1,39 @@
+SYS_EXIT    equ 1
+SYS_WRITE   equ 4
+STDOUT      equ 1
+
+strlen:
+    push    ebx
+    mov     ebx, eax
+nextchar:
+    cmp     byte[eax], 0
+    jz      finished
+    inc     eax
+    jmp     nextchar
+finished:
+    sub     eax, ebx
+    pop     ebx
+    ret
+
+print:
+    push    ebx
+    push    ecx
+    push    edx
+
+    mov     ebx, eax
+    call    strlen
+    mov     edx, eax
+    mov     ecx, ebx
+    mov     ebx, STDOUT
+    mov     eax, SYS_WRITE
+    int     0x80
+
+    pop     edx
+    pop     ecx
+    pop     ebx
+    ret
+
+quit:
+    mov     ebx, 0
+    mov     eax, SYS_EXIT
+    int     0x80