public int Execute(CpuState cpuState, IMemory memory)
{
var low = cpuState.PopStack(memory);
var high = cpuState.PopStack(memory);
cpuState.Pc = (ushort)((high << 8) | low);
++cpuState.Pc;
return 6;
}
public int Execute(CpuState cpuState, IMemory memory)
{
var breakSet = cpuState.IsFlagSet(CpuState.Flags.Break);
cpuState.StatusRegister = cpuState.PopStack(memory);
cpuState.SetFlag(CpuState.Flags.Break, breakSet);
cpuState.StatusRegister |= 1 << 5;
var low = cpuState.PopStack(memory);
var high = cpuState.PopStack(memory);
cpuState.Pc = (ushort)((high << 8) | low);
return 6;
}
protected override void InternalExecute(CpuState cpuState, IMemory memory, byte arg, Action<byte> write, ref int cycles)
{
cpuState.A = cpuState.PopStack(memory);
cpuState.SetNegativeFlag(cpuState.A);
cpuState.SetZeroFlag(cpuState.A);
cycles = 4;
}
protected override void InternalExecute(CpuState cpuState, IMemory memory, byte arg, Action<byte> write, ref int cycles)
{
var breakSet = cpuState.IsFlagSet(CpuState.Flags.Break);
cpuState.StatusRegister = cpuState.PopStack(memory);
cpuState.StatusRegister |= 1 << 5;
cpuState.SetFlag(CpuState.Flags.Break, breakSet);
cycles = 4;
}