nes-emu/apu/registers/NoiseForm.js

A NES emulator

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _registers = require("../../registers");
var _constants = require("../constants");
/** Controls the sound output of the Noise channel. */
class NoiseForm extends _registers.WriteOnlyInMemoryRegister {
  constructor() {
    super();
    this.addReadOnlyField("periodId", 0, 4).addReadOnlyField("mode", 7);
  }

  /** Returns the noise period. */
  get period() {
    return _constants.noisePeriods[this.periodId];
  }
}
exports.default = NoiseForm;