/// <summary>
/// Sets the dest bit of the src byte to true
/// </summary>
/// <param name="opcode">The opcode.</param>
/// <param name="memory">The memory.</param>
/// <returns>The number of ticks the operation took to complete.</returns>
/// <remarks>Affected Flags: None.</remarks>
public static int Set(Opcode opcode, GbMemory memory)
{
if (opcode.Src != 6)
{
memory.R.SetR8(opcode.Src, (byte)(memory.R.GetR8(opcode.Src) | (1 << opcode.Dest)));
return(1);
}
memory.WriteCycleHl((byte)(memory.ReadCycleHl() | (1 << opcode.Dest)));
return(3);
}
/// <summary>
/// Resources the specified code.
/// </summary>
/// <param name="opcode">The opcode.</param>
/// <param name="memory">The memory.</param>
/// <returns>The number of ticks the operation took to complete.</returns>
public static int Res(Opcode opcode, GbMemory memory)
{
if (opcode.Src != 6)
{
memory.R.SetR8(opcode.Src, memory.R.GetR8(opcode.Src).Res(opcode.Dest));
return(1);
}
memory.WriteCycleHl(memory.ReadCycleHl().Res(opcode.Dest));
return(3);
}
/// <summary>
/// A framework for calling bitwise operation instructions.
/// </summary>
/// <param name="op">The op.</param>
/// <param name="memory">The memory.</param>
/// <param name="operation">The operation.</param>
/// <exception cref="ArgumentNullException"><paramref name="operation"/> is null</exception>
internal static int BitOpFunc(Opcode op, GbMemory memory, BitOp operation)
{
if (operation == null)
{
throw new ArgumentNullException(nameof(operation));
}
if (op.Src != 6)
{
memory.R.SetR8(op.Src, operation(memory, memory.R.GetR8(op.Src)));
return(1);
}
memory.WriteCycleHl(operation(memory, memory.ReadCycleHl()));
return(3);
}