public static void Backup(Register registers = Register.All, bool statusFlags = false)
{
if (statusFlags)
{
CPU6502.PHP();
}
if (registers.HasFlag(Register.A))
{
CPU6502.PHA();
A.State.Push();
}
if (registers.HasFlag(Register.X))
{
CPU6502.TXA();
//Use(Asm.TXA);
CPU6502.PHA();
X.State.Push();
}
if (registers.HasFlag(Register.Y))
{
CPU6502.TYA();
//Use(Asm.TYA);
CPU6502.PHA();
Y.State.Push();
}
}
public static void Backup(RegisterBase reg)
{
if (reg is RegisterA)
{
CPU6502.PHA();
A.State.Push();
}
else if (reg is RegisterX)
{
CPU6502.TXA();
//Use(Asm.TXA);
CPU6502.PHA();
X.State.Push();
}
else if (reg is RegisterY)
{
CPU6502.TYA();
//Use(Asm.TYA);
CPU6502.PHA();
Y.State.Push();
}
}
public static void Push(Address addr)
{
A.Set(addr);
CPU6502.PHA();
}