/// <summary>
/// Displays informations on the screen about the current execution context
/// </summary>
static public void Display(IExecutionContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
Console.CursorTop = Console.WindowTop;
Console.CursorLeft = Console.WindowWidth - 44; // 44 is the max length of the debug string. it is large enough so that we never have to get to this limit.
Console.Write(" af bc de hl pc sp flags count");
string af = BinaryHelper.Combine(0x00, context.Registers.A).ToString("X4");
string bc = BinaryHelper.Combine(context.Registers.C, context.Registers.B).ToString("X4");
string de = BinaryHelper.Combine(context.Registers.E, context.Registers.D).ToString("X4");
string hl = BinaryHelper.Combine(context.Registers.L, context.Registers.H).ToString("X4");
string pc = context.Memory.ProgramCounter.ToString("X4");
string sp = context.Stack.Pointer.ToString("X4");
string flags = GetFlags(context.Flags);
string count = context.InstructionsCount.ToString();
Console.CursorTop = Console.WindowTop + 1;
Console.CursorLeft = Console.WindowWidth - 44;
Console.Write($"{af} {bc} {de} {hl} {pc} {sp} {flags} {count}");
}