--- a/progs/example1b.s	Mon Oct 05 20:42:11 2015 +0100
+++ b/progs/example1b.s	Tue Oct 06 09:42:58 2015 +0100
@@ -1,11 +1,12 @@
 _foo:   
-  push    %ebp
-  mov     %esp,%ebp
-  sub     $0x10,%esp
-  movl    $0x64636261,-0x6(%ebp)
-  movw    $0x65,-0x2(%ebp)
-  movl    $0x34333231,-0x10(%ebp)
-  movl    $0x38373635,-0xc(%ebp)
-  movw    $0x39,-0x8(%ebp)
-  leave
-  ret
\ No newline at end of file
+  push    %ebp                     ; push current sp onto stack
+  mov     %esp,%ebp                ; current sp into esp
+  sub     $0x10,%esp               ; subtract 16 from esp
+  movl    $0x64636261,-0x6(%ebp)   ; store abcd in ebp - 6
+  movw    $0x65,-0x2(%ebp)         ; store e in ebp - 2
+  movl    $0x34333231,-0x10(%ebp)  ; store 1234 in ebp - 16
+  movl    $0x38373635,-0xc(%ebp)   ; store 5678 in ebp - 12
+  movw    $0x39,-0x8(%ebp)         ; store 9    in ebp - 8
+  leave                            ; pop last sp into ebp
+  ret                              ; pop return address and 
+                                   ; go back to main 
\ No newline at end of file