if other stuff uses this.. we can't set last to now until the start

src/Etterna/Globals/MinaCalc/Dependent/HD_Sequencers/GenericSequencing.h

@@ -67,6 +67,7 @@ struct Anchor_Sequencing
 
 	// row_time of last note on this col
 	float _last = s_init;
+	float _now = s_init;
 	float _start = s_init;
 
 	inline void full_reset()
@@ -81,9 +82,16 @@ struct Anchor_Sequencing
 
 	inline void operator()(const col_type ct, const float& now)
 	{
+		_last = _now;
+
 		assert(ct == _ct);
 		_sc_ms = ms_from(now, _last);
 
+		if (ct == col_init) {
+			_last = now;
+			return;
+		}
+
 		// break the anchor if the next note is too much slower than the
 		// lowest one in the sequence, remember, if we reset the start of the
 		// new anchor was the last row_time, and the new max_ms should be the
@@ -127,7 +135,7 @@ struct Anchor_Sequencing
 		}
 
 		// update row time after any potential resets
-		_last = now;
+		_now = now;
 	}
 
 	inline auto get_difficulty() -> float