1 files changed, 2 insertions, 2 deletions

diff --git a/reg.ml b/reg.ml
index 133ef21..d065838 100644
--- a/reg.ml
+++ b/reg.ml
@@ -8,7 +8,7 @@ open Common
 let reg_idx (Reg(idx, _)) = idx
 let reg_val (Reg(_, value)) = value
 let reg_compar l r = (reg_val l) - (reg_val r)
-let reg_string (Reg (index, value)) = (string_of_int index) ^ ": " ^ (string_of_int value)
+let reg_string (Reg (index, value)) = "(" ^ (string_of_int index) ^ "," ^ (string_of_int value) ^ ")"
 
 let regs_get reglist index =
   List.find (fun (Reg(idx, _)) -> idx = index) reglist |> reg_val
@@ -16,5 +16,5 @@ let regs_get reglist index =
 let regs_set reglist index value =
   Reg(index, value) :: List.filter (fun (Reg(idx, _)) -> idx != index) reglist
 
-let regs_string reglist = List.map (reg_string) reglist |> String.concat ", "
+let regs_string reglist = List.map (reg_string) reglist |> String.concat ","