42 lines
1.2 KiB
C#
42 lines
1.2 KiB
C#
namespace VirtualNes.Core
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{
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public abstract class APU_INTERFACE : IStateBufferObject
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{
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public const float APU_CLOCK = 1789772.5f;
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public virtual void Dispose() { }
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public abstract void Reset(float fClock, int nRate);
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public abstract void Setup(float fClock, int nRate);
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public abstract void Write(ushort addr, byte data);
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public abstract int Process(int channel);
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public virtual byte Read(ushort addr)
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{
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return (byte)(addr >> 8);
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}
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public virtual void WriteSync(ushort addr, byte data) { }
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public virtual byte ReadSync(ushort addr) { return 0; }
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public virtual void VSync() { }
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public virtual bool Sync(int cycles) { return false; }
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public virtual int GetFreq(int channel) { return 0; }
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public virtual void SaveState(StateBuffer buffer) { }
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public virtual void LoadState(StateReader buffer) { }
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public static int INT2FIX(int x)
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{
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return x << 16;
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}
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public static int FIX2INT(int x)
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{
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return x >> 16;
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}
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public virtual uint GetSize()
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{
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return 0;
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}
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}
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}
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