BizHawk/BizHawk.Common/Bit.cs

88 lines
1.6 KiB
C#

using System.Diagnostics;
namespace BizHawk.Common
{
// I think this is a little faster with uint than with byte
public struct Bit
{
private readonly uint _val;
public Bit(uint val)
{
_val = val;
}
public static implicit operator Bit(int rhs)
{
Debug.Assert((rhs & ~1) == 0);
return new Bit((uint)rhs);
}
public static implicit operator Bit(uint rhs)
{
Debug.Assert((rhs & ~1) == 0);
return new Bit(rhs);
}
public static implicit operator Bit(byte rhs)
{
Debug.Assert((rhs & ~1) == 0);
return new Bit(rhs);
}
public static implicit operator Bit(bool rhs)
{
return new Bit(rhs ? (byte)1 : (byte)0);
}
public static implicit operator long(Bit rhs)
{
return rhs._val;
}
public static implicit operator int(Bit rhs)
{
return (int)rhs._val;
}
public static implicit operator uint(Bit rhs)
{
return rhs._val;
}
public static implicit operator byte(Bit rhs)
{
return (byte)rhs._val;
}
public static implicit operator bool(Bit rhs)
{
return rhs._val != 0;
}
public override string ToString()
{
return _val.ToString();
}
public static bool operator ==(Bit lhs, Bit rhs)
{
return lhs._val == rhs._val;
}
public static bool operator !=(Bit lhs, Bit rhs)
{
return lhs._val != rhs._val;
}
public override int GetHashCode()
{
return _val.GetHashCode();
}
public override bool Equals(object obj)
{
return this == (Bit)obj; // this is probably wrong
}
}
}