/// <summary>
/// Tests skipping if key in VX is pressed
/// Opcodes: 0xEX9E
/// </summary>
public void TestSkipIfPressed()
{
emu.progCounter = 0;
emu.V[0x4] = 0xB;
emu.PressKey(0xC);
emu.ExecuteInstruction(0xE49E);
emu.progCounter = 0;
emu.V[0x4] = 0xC;
emu.PressKey(0xC);
emu.ExecuteInstruction(0xE49E);
Assert.AreEqual(2, emu.progCounter);
}
/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
// For Mobile devices, this logic will close the Game when the Back button is pressed
// Exit() is obsolete on iOS
oldKey = key;
key = Keyboard.GetState();
#if !__IOS__ && !__TVOS__
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
#endif
for (int i = 0; i < 2; i++)
{
emu.Step();
}
Keys keyPressed = key.GetPressedKeys().Length > 0 ? key.GetPressedKeys().First() : Keys.None;
if (emu.KeyboardTranslation.ContainsKey(keyPressed))
{
emu.PressKey(emu.KeyboardTranslation[keyPressed]);
}
base.Update(gameTime);
}