Fixed byte reversal.

src/main/java/eu/tankernn/assembly/compiler/Assemble.java

@@ -105,18 +105,14 @@ public class Assemble {
 
 		for (Byte b : bytes) {
 			out.println(
-					byteToBinaryString(currentAddress, 4, bigEndianAddress) + " : " + byteToBinaryString(b, 8, false));
+					byteToBinaryString(bigEndianAddress ? Util.reverseByte(currentAddress, 4) : currentAddress, 4) + " : " + byteToBinaryString(b, 8));
 			currentAddress++;
 		}
 	}
 
-	public static String byteToBinaryString(int b, int wordLength, boolean reverse) {
+	public static String byteToBinaryString(int b, int wordLength) {
 		int template = (int) Math.pow(2, wordLength) - 1;
-		StringBuilder result = new StringBuilder();
-		result.append(Integer.toBinaryString((b & template) + template + 0x1).substring(1));
-		if (reverse)
-			result.reverse();
-		return result.toString();
+		return Integer.toBinaryString((b & template) + template + 0x1).substring(1);
 	}
 
 	private static void parseArguments(String[] args) {

src/main/java/eu/tankernn/assembly/compiler/LineParser.java

@@ -110,15 +110,7 @@ public class LineParser {
 		} else {
 			b = (byte) Integer.parseInt(s);
 		}
-		return Assemble.bigEndianData ? reverseByte(b, isAddress ? 4 : 8) : b;
-
-	}
-
-	private byte reverseByte(byte x, int wordSize) {
-		System.out.print("Original: " + Assemble.byteToBinaryString(x, wordSize, false));
-		byte y = (byte) (((x & 0xff) >>> 0) << 24);
-		System.out.println(", Reversed: " + Assemble.byteToBinaryString(y, wordSize, false));
-		return y;
+		return Assemble.bigEndianData ? Util.reverseByte(b, isAddress ? 4 : 8) : b;
 	}
 
 	private void addWithAddress(byte OPCode) throws SyntaxErrorException {

src/main/java/eu/tankernn/assembly/compiler/Util.java

@@ -0,0 +1,13 @@
+package eu.tankernn.assembly.compiler;
+
+public class Util {
+	public static byte reverseByte(byte x, int wordSize) {
+		byte y = 0;
+		for (int i = 0; i < wordSize; i++) {
+			y <<= 1;
+			y |= (x & 1);
+			x >>= 1;
+		}
+		return y;
+	}
+}