Change logic when gating ports on locked operators

sim.c

@@ -260,12 +260,9 @@ Usz usz_clamp(Usz val, Usz min, Usz max) {
 #define OPER_PORT_FLIP_LOCK_BIT(_flags) ((_flags) ^ Mark_flag_lock)
 
 #define PORT(_delta_y, _delta_x, _flags)                                       \
-  mbuffer_poke_relative_flags_or(                                              \
-      mbuffer, height, width, y, x, _delta_y, _delta_x,                        \
-      ((_flags)&OPER_PORT_IO_MASK) |                                           \
-          (Oper_ports_enabled && !(cell_flags & OPER_PORT_CELL_ENABLING_MASK)  \
-               ? OPER_PORT_FLIP_LOCK_BIT(_flags)                               \
-               : Mark_flag_none))
+  if (Oper_ports_enabled && !(cell_flags & OPER_PORT_CELL_ENABLING_MASK))      \
+  mbuffer_poke_relative_flags_or(mbuffer, height, width, y, x, _delta_y,       \
+                                 _delta_x, OPER_PORT_FLIP_LOCK_BIT(_flags))
 #define END_PORTS }
 
 #define OPER_MOVE_OR_EXPLODE(_delta_y, _delta_x)                               \
@@ -737,7 +734,10 @@ static Isz const uturn_data[] = {
     // clang-format on
 };
 
-enum { Uturn_per = 3, Uturn_loop_limit = Uturn_per * 4, };
+enum {
+  Uturn_per = 3,
+  Uturn_loop_limit = Uturn_per * 4,
+};
 
 BEGIN_DUAL_PHASE_0(uturn)
   REALIZE_DUAL;