nes-emu/controller/SecondaryControllerPort.js

A NES emulator

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _ControllerPort = _interopRequireDefault(require("./ControllerPort"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
 * Secondary Controller Port Register (< read)
 *
 * Writing a value here does nothing.
 * Reads work using the Primary Controller Port's strobe flag.
 */
class SecondaryControllerPort extends _ControllerPort.default {
  constructor(primary) {
    super();
    this._primary = primary;
  }

  /** Returns the strobe flag. */
  get strobe() {
    return this._primary.strobe;
  }

  /** Writes nothing (read-only address). */
  writeAt() {}
}
exports.default = SecondaryControllerPort;