emulator

type Clock interface {
	// AddTStates increment the tStates counter and return true if the frame is not done
	AddTicker(mod uint, t Ticker)
	Run()
	RunFor(seconds uint)
	Stats() string
	Pause()
	Resume()
}

type DebugControl interface {
	Update()
}

type Debugger interface {
	cpu.DebuggerCallbacks
}

type Game interface {
	SetStatus(txt string)
	SetOnKey(onKey func(sdl.Scancode))
}

type Machine interface {
	OnKey(key sdl.Scancode)
	Monitor() Monitor
	Clock() Clock
	UIControls() []gui.GUIObject
	Control() map[string]gui.GUIObject
	GetVolumeControl() func(float64)
	SetDebugger(cpu.DebuggerCallbacks)
	Reset()
}

type Monitor interface {
	Screen() *gui.Display
	FrameDone()
	FPS() float64
	SetRedraw(redraw func())
}

type SoundChannel interface {
	GetBuffer(int) ([]*SoundData, int)
}

type SoundData struct {
	L, R float64
}

type SoundSource interface {
	SoundTick()
	GetChannels() []SoundChannel
}

type SoundSystem interface {
	Ticker
	AddSource(source SoundSource)
	SetVolume(float64)
}

type Ticker interface {
	Tick()
}