print each step format

src/main.py

@@ -1 +0,0 @@
-

src/ram.py

@@ -98,15 +98,40 @@ class Ram(object):
             else:
                 self.current += 1
 
+    def __register_to_str(register):
+        if register[0] == '@':
+            return f'{register[3]}@{register[2]}{register[1]}'
+        elif register[0] == 'value':
+            return f'{register[1]}'
+        else:
+            return f'{register[0]}{register[1]}'
+
+    def __instr_to_str(self, instr_number):
+        instr = self.instr[instr_number]
+        op = instr["args"][0]
+        number = f'{instr_number} :'
+        instr_str = f' {number: <6}{op}('
+        if op == 'JUMP':
+            instr_str += f'{instr["args"][1]})'
+        elif op == 'JL' or op == 'JE':
+            instr_str += f'{instr["args"][1]}, '
+            instr_str += f'{Ram.__register_to_str(instr["args"][2])}, '
+            instr_str += f'{Ram.__register_to_str(instr["args"][3])})'
+        else:
+            instr_str += f'{Ram.__register_to_str(instr["args"][1])}, '
+            instr_str += f'{Ram.__register_to_str(instr["args"][2])}, '
+            instr_str += f'{Ram.__register_to_str(instr["args"][3])})'
+        return instr_str
+
+
     def execute(self):
         '''
         Run machine to completion
         '''
         while self.current < len(self.instr):
-            print(self.current+2)
-            #print(*self.instr[self.current]['args'])
+            instr_str = self.__instr_to_str(self.current)
             self.instr[self.current]['op'](self, *self.instr[self.current]['args'])
-            print(self.work_registers)
+            print(f'{instr_str: <28}{self.work_registers}')
 
     def generate_graph(self):
         '''