The top bit of bytes be nonzero, but nevertheless wants unsigned data

tylorr · Nov 1, 2017 · 3937962 · 3937962
1 parent 5bd3acf
commit 3937962
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/bubble_babble.js b/bubble_babble.js
@@ -14,10 +14,10 @@ var encode = function(input, encoding) {
 
   // create full tuples
   for (i = 0; i + 1 < len; i += 2) {
-    byte1 = input.readInt8(i);
+    byte1 = input.readUInt8(i);
     result += odd_partial(byte1, checksum);
 
-    byte2 = input.readInt8(i + 1);
+    byte2 = input.readUInt8(i + 1);
     d = (byte2 >> 4) & 15;
     e = byte2 & 15;
 
@@ -28,7 +28,7 @@ var encode = function(input, encoding) {
 
   // handle partial tuple
   if (i < len) {
-    byte1 = input.readInt8(i);
+    byte1 = input.readUInt8(i);
     result += odd_partial(byte1, checksum);
   } else {
     result += even_partial(checksum);
@@ -122,6 +122,7 @@ var decode_2part_byte = function(d, e) {
 }
 
 var next_checksum = function(checksum, byte1, byte2) {
+
   return ((checksum * 5) + (byte1 * 7) + byte2) % 36;
 }