From bd8a903aec2d97526a6da266aff555ee600be27c Mon Sep 17 00:00:00 2001
From: MatCat <matcat@matcatsmp.com>
Date: Wed, 3 Mar 2021 19:04:47 -0800
Subject: [PATCH] 0.3.6: Fixed bug with ~Q outputs on flip flops

---
 README.md      |  4 ++++
 js/elements.js | 12 ++++++++----
 js/main.js     |  2 +-
 3 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index b67792d..6fad769 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,10 @@ To be decided, but at this moment this code is open source and free to use for n
 
 ## Changelog
 
+### 0.3.6
+
+* Fixed a bug where flip flops weren't firing output changes when only !Q changed.
+
 ### 0.3.5
 
 * Fixed a bug where newly linked objects weren't being polled to the proper output
diff --git a/js/elements.js b/js/elements.js
index 020f28c..1766427 100644
--- a/js/elements.js
+++ b/js/elements.js
@@ -1193,6 +1193,7 @@ class FlipFlopJK extends Element {
   setInput(Input, Value) {
     if (Input >= this.Inputs.length) return false;
     let oldOutput = this.Outputs[0];
+    let oldOutput2 = this.Outputs[1];
     this.Inputs[Input] = Value;
     if (this.Inputs[1]) {
       if (!this.Inputs[0] && this.Inputs[2]) {
@@ -1209,7 +1210,7 @@ class FlipFlopJK extends Element {
         this.Outputs[1] = !this.Outputs[0];
       }
     }
-    if (oldOutput != this.getOutput(0)) {
+    if (oldOutput != this.getOutput(0) || oldOutput2 != this.getOutput(1)) {
       this.setConnections();
     }
   }
@@ -1254,6 +1255,7 @@ class FlipFlopSR extends Element {
   setInput(Input, Value) {
     if (Input >= this.Inputs.length) return false;
     let oldOutput = this.Outputs[0];
+    let oldOutput2 = this.Outputs[1];
     this.Inputs[Input] = Value;
     if (this.Inputs[1]) {
       if (!this.Inputs[0] && this.Inputs[2]) {
@@ -1266,7 +1268,7 @@ class FlipFlopSR extends Element {
         this.Outputs[1] = false;
       }
     }
-    if (oldOutput != this.getOutput(0)) {
+    if (oldOutput != this.getOutput(0) || oldOutput2 != this.getOutput(1)) {
       this.setConnections();
     }
   }
@@ -1311,12 +1313,13 @@ class FlipFlopT extends Element {
   setInput(Input, Value) {
     if (Input >= this.Inputs.length) return false;
     let oldOutput = this.Outputs[0];
+    let oldOutput2 = this.Outputs[1];
     this.Inputs[Input] = Value;
     if (this.Inputs[0] && this.Inputs[1]) {
         this.Outputs[0] = !this.Outputs[0];
         this.Outputs[1] = !this.Outputs[0];
     }
-    if (oldOutput != this.getOutput(0)) {
+    if (oldOutput != this.getOutput(0) || oldOutput2 != this.getOutput(1)) {
       this.setConnections();
     }
   }
@@ -1361,13 +1364,14 @@ class FlipFlopD extends Element {
   setInput(Input, Value) {
     if (Input >= this.Inputs.length) return false;
     let oldOutput = this.Outputs[0];
+    let oldOutput2 = this.Outputs[1];
     let oldInput = this.Inputs[1];
     this.Inputs[Input] = Value;
     if (this.Inputs[1] && !oldInput) {
       this.Outputs[0] = this.Inputs[0];
       this.Outputs[1] = !this.Outputs[0];
     }
-    if (oldOutput != this.getOutput(0)) {
+    if (oldOutput != this.getOutput(0) || oldOutput2 != this.getOutput(1)) {
       this.setConnections();
     }
   }
diff --git a/js/main.js b/js/main.js
index 57fff11..facb955 100644
--- a/js/main.js
+++ b/js/main.js
@@ -2,7 +2,7 @@
     MatCat BrowserLogic Simulator
  */
 
-let Version = "0.3.5";
+let Version = "0.3.6";
 let spanVersion = document.getElementById("version");
 spanVersion.innerText = Version;
 // get the canvas and get the engine object going