diff --git a/mars_main.c b/mars_main.c
index 764589f..f429280 100644
--- a/mars_main.c
+++ b/mars_main.c
@@ -101,7 +101,29 @@ void execute_instruction(union mars_instruction instruction, int player, struct
             int premiere_valeur;
             int first_pos, next_pos;
             union mars_instruction first_instruction, next_instruction;
-            
+            if (instruction.instruct.modeAddrA == IMMEDIAT){
+                premiere_valeur = instruction.instruct.ArgA;
+            } else {
+                first_pos = calculer_position(position, instruction.instruct.modeAddrA, instruction.instruct.ArgA, memoire);
+                first_instruction.instructLL = memoire[first_pos].instruction;
+                if(first_instruction.instruct.codeOp == DAT){
+                    premiere_valeur = first_instruction.instruct.ArgB;
+                } else {
+                    /* Instruction a raté, peut on dire que c'est un fail ? */
+                }
+            }
+
+            next_pos = calculer_position(position, instruction.instruct.modeAddrB, instruction.instruct.ArgB, memoire);
+            next_instruction.instructLL = memoire[next_pos].instruction;
+
+            if (next_instruction.instruct.codeOp == DAT){
+                next_instruction.instruct.ArgB += premiere_valeur;
+                memoire[next_pos].instruction = next_instruction.instructLL;
+                memoire[next_pos].player = player;
+            } else {
+                /* L'instruction a raté, peut-on dire que c'est pas bien ?*/
+            }
+
         }
         case JMP: {
             short int modeadresse = instruction.instruct.modeAddrA;