public Chip8(byte[] rom, IScreen screen, ISoundHandler sound, IKeyboard keyboard)
{
registers.PC = 512; // Most chip-8 programs start at address 0x200 (512)
rom.CopyTo(ram, 512);
this.screen = screen;
this.sound = sound;
this.keyboard = keyboard;
this.registers.Stack = new Stack <ushort>();
this.registers.V = new byte[16];
this.rng = new Random();
}
public ChatPageViewModel(ISoundHandler soundHandler)
{
this.soundHandler = soundHandler;
// load sound file
this.soundHandler.Load();
this.EndTime = this.soundHandler.Duration();
this.playPauseCommand = new MvxCommand(() =>
{
// start/stop UI updates if the audio is not playing
if (soundHandler.IsPlaying)
{
this.updating = false;
}
else
{
this.Load();
}
soundHandler.PlayPause();
});
this.rewindCommand = new MvxCommand(() =>
{
// set current time to the beginning
this.CurrentTime = 0;
this.soundHandler.Rewind();
this.updating = false;
});
this.forwardCommand = new MvxCommand(() =>
{
// set current time to the end
this.CurrentTime = this.soundHandler.Duration();
this.soundHandler.Forward();
this.updating = false;
});
}
/// <summary>
/// Initializes a new instance of the <see cref="T:AudioPlayer.Portable.ViewModels.AudioPlayerPageViewModel"/> class.
/// </summary>
/// <param name="soundHandler">Sound handler.</param>
public AudioPlayerPageViewModel(ISoundHandler soundHandler)
{
_soundHandler = soundHandler;
// load sound file
soundHandler.Load();
EndTime = soundHandler.Duration();
_playPauseCommand = new MvxCommand(() =>
{
// start/stop UI updates if the audio is not playing
if (soundHandler.IsPlaying)
{
_updating = false;
}
else
{
Load();
}
soundHandler.PlayPause();
});
_rewindCommand = new MvxCommand(() =>
{
// set current time to the beginning
CurrentTime = 0;
soundHandler.Rewind();
_updating = false;
});
_forwardCommand = new MvxCommand(() =>
{
// set current time to the end
CurrentTime = soundHandler.Duration();
soundHandler.Forward();
_updating = false;
});
}