Use RIS for terminal reset.

src/main/java/li/cil/oc2/common/util/TerminalUtils.java

@@ -9,10 +9,8 @@ public final class TerminalUtils {
     private static final ByteBuffer TERMINAL_RESET_SEQUENCE = ByteBuffer.wrap(new byte[]{
         // Make sure we're in normal mode.
         'J',
-        // Reset color and style.
-        '\033', '[', '0', 'm',
-        // Clear screen.
-        '\033', '[', '2', 'J'
+        // Reset.
+        '\033', 'c',
     });
 
     ///////////////////////////////////////////////////////////////////

src/main/java/li/cil/oc2/common/vm/Terminal.java

@@ -366,7 +366,7 @@ public final class Terminal {
         style = DEFAULT_STYLE;
         clear();
         Arrays.fill(tabs, false);
-        for (int i = 0; i < WIDTH; i++) {
+        for (int i = 1; i < WIDTH; i++) {
             if (i % TAB_WIDTH == 0) {
                 tabs[i] = true;
             }