package mtmc.emulator

class MTMCIO {
  var value: Int = 0

  internal enum class Buttons(val mask: Int) {
    UP(128),
    DOWN(64),
    LEFT(32),
    RIGHT(16),
    START(8),
    SELECT(4),
    B(2),
    A(1)
  }

  fun keyPressed(key: String) {
    val button = Buttons.valueOf(key.uppercase())
    value = value or button.mask
  }

  fun keyReleased(key: String) {
    val button = Buttons.valueOf(key.uppercase())
    value = value and button.mask.inv()
  }
}