From 7456f549c427008846b1c1362d7611af54f6c2e1 Mon Sep 17 00:00:00 2001
From: satya <92134652+Satyasn01@users.noreply.github.com>
Date: Tue, 15 Oct 2024 07:25:16 +0530
Subject: [PATCH] NOT btn added

---
 index.html             |  3 ++-
 js/binaryCalculator.js | 16 ++++++++++++++++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/index.html b/index.html
index 67c2801..83ada83 100644
--- a/index.html
+++ b/index.html
@@ -86,13 +86,14 @@
             </tr>
 
             <tr>
+                <td><input class="button" type="button" value="NOT" onclick="bitwiseNOT()"></td>
                 <td><input class="button" type="button" value="AND" onclick="bitwiseAND()"></td>
                 <td><input class="button" type="button" value="OR" onclick="bitwiseOR()"></td>
                 <td><input class="button" type="button" value="XOR" onclick="bitwiseXOR()"></td>
-                <td><input class="button" type="button" value="Gray" onclick="binaryToGray()"></td>
             </tr>
 
             <tr>
+                <td><input class="button" type="button" value="Gray" onclick="binaryToGray()"></td>
                 <td><input class="button" type="button" value="Float" onclick="binaryToFloat()"></td>
                 <td><input class="button" type="button" value="Parity" onclick="calculateParityBit()"></td>
             </tr>
diff --git a/js/binaryCalculator.js b/js/binaryCalculator.js
index 784ea72..7466bf1 100644
--- a/js/binaryCalculator.js
+++ b/js/binaryCalculator.js
@@ -346,6 +346,22 @@ const rolButton = document.querySelector('input[value="ROL"]');
 rorButton.addEventListener("click", () => circularShift('right'));
 rolButton.addEventListener("click", () => circularShift('left'));
 
+function bitwiseNOT() {
+    let binaryInput = res.value;
+    let binaryInt = parseInt(binaryInput, 2);
+    if (!isNaN(binaryInt)) {
+        let numBits = binaryInput.length;
+
+        let invertedBinaryInt = ~binaryInt;
+        let mask = Math.pow(2, numBits) - 1;
+        let finalBinary = invertedBinaryInt & mask;
+
+        res.value = finalBinary.toString(2).padStart(numBits, '0');
+    } else {
+        res.value = "Invalid Input";
+    }
+}
+
 function bitwiseAND() {
     const input = document.form.textview.value.split(",");
     if (input.length === 2) {