more cleanup

workers/hex_parser.js

@@ -28,7 +28,6 @@ function read_hex_file(data) {
        
         switch (record_type) {
             case 0x00: // data record
-                if (byte_count > 0) {
                 var crc = byte_count + parseInt(address.substr(0, 2), 16) + parseInt(address.substr(2, 2), 16) + record_type;
                 for (var needle = 0; needle < byte_count * 2; needle += 2) {
                     var num = parseInt(content.substr(needle, 2), 16); // get one byte in hex and convert it to decimal
@@ -49,7 +48,6 @@ function read_hex_file(data) {
                     // break out of the for loop as crc is wrong anyway, we dont need to process any more data
                     i = data.length;
                 }
-                }
                 break;
             case 0x01: // end of file record
                 result.end_of_file = true;