Fix some references

src/Buffer.ts

@@ -9,7 +9,7 @@ import { CircularList } from './utils/CircularList';
  * This class represents a terminal buffer (an internal state of the terminal)/
  */
 export class Buffer {
-  private _lines: CircularList<any>;
+  public lines: CircularList<any>;
   private _tabs: any;
 
   /**
@@ -27,10 +27,6 @@ export class Buffer {
     public y: number = 0,
     public x: number = 0,
   ) {
-    this._lines = new CircularList(this.terminal.scrollback);
-  }
-
-  public get lines(): CircularList<any> {
-    return this._lines;
+    this.lines = new CircularList(this.terminal.scrollback);
   }
 }

src/Parser.ts

@@ -52,7 +52,7 @@ escapedStateHandler['c'] = (parser, terminal) => {
 };
 escapedStateHandler['E'] = (parser, terminal) => {
   // ESC E Next Line ( NEL is 0x85).
-  terminal.x = 0;
+  terminal.buffer.x = 0;
   terminal.index();
   parser.setState(ParserState.NORMAL);
 };

src/Renderer.ts

@@ -144,10 +144,10 @@ export class Renderer {
       let line = this._terminal.buffer.lines.get(row);
 
       let x;
-      if (this._terminal.y === y - (this._terminal.buffer.ybase - this._terminal.buffer.ydisp) &&
+      if (this._terminal.buffer.y === y - (this._terminal.buffer.ybase - this._terminal.buffer.ydisp) &&
           this._terminal.cursorState &&
           !this._terminal.cursorHidden) {
-        x = this._terminal.x;
+        x = this._terminal.buffer.x;
       } else {
         x = -1;
       }