67 lines
1.5 KiB
C#
67 lines
1.5 KiB
C#
using BizHawk.Common;
|
|
using BizHawk.Emulation.Common;
|
|
|
|
namespace BizHawk.Emulation.Cores.Computers.AmstradCPC
|
|
{
|
|
/// <summary>
|
|
/// Represents a PSG device (in this case an AY-3-891x)
|
|
/// </summary>
|
|
public interface IPSG : ISoundProvider
|
|
{
|
|
/// <summary>
|
|
/// Initlization routine
|
|
/// </summary>
|
|
void Init(int sampleRate, int tStatesPerFrame);
|
|
|
|
void SetFunction(int data);
|
|
|
|
//void ClockCycle();
|
|
|
|
/// <summary>
|
|
/// Activates a register
|
|
/// </summary>
|
|
int SelectedRegister { get; set; }
|
|
|
|
/// <summary>
|
|
/// Writes to the PSG
|
|
/// </summary>
|
|
void PortWrite(int value);
|
|
|
|
/// <summary>
|
|
/// Reads from the PSG
|
|
/// </summary>
|
|
int PortRead();
|
|
|
|
|
|
/// <summary>
|
|
/// Resets the PSG
|
|
/// </summary>
|
|
void Reset();
|
|
|
|
/// <summary>
|
|
/// The volume of the AY chip
|
|
/// </summary>
|
|
int Volume { get; set; }
|
|
|
|
/// <summary>
|
|
/// Called at the start of a frame
|
|
/// </summary>
|
|
void StartFrame();
|
|
|
|
/// <summary>
|
|
/// called at the end of a frame
|
|
/// </summary>
|
|
void EndFrame();
|
|
|
|
/// <summary>
|
|
/// Updates the sound based on number of frame cycles
|
|
/// </summary>
|
|
void UpdateSound(int frameCycle);
|
|
|
|
/// <summary>
|
|
/// IStatable serialization
|
|
/// </summary>
|
|
void SyncState(Serializer ser);
|
|
}
|
|
}
|