/// <summary>
/// Constructs a new UpdateUIEventArgs instance having properties initialized with values from the CPU state and the currently executed Operation.
/// </summary>
/// <param name="cpuState">The CPU State instance containing register values and other state properties of the CPU.</param>
/// <param name="operation">The Operation instance representing the last executed instruction with it's address in the memory and operand value.</param>
public UpdateUIEventArgs(CPUState cpuState, Operation operation = null)
{
RegisterX = cpuState.RegisterX;
RegisterY = cpuState.RegisterY;
Accumulator = cpuState.Accumulator;
StackPointer = cpuState.SP;
ProgramCounter = cpuState.PC;
Status = cpuState.Status;
HasCarryFlag = cpuState.HasStatusFlag(StatusFlag.Carry);
HasNegativeFlag = cpuState.HasStatusFlag(StatusFlag.Negative);
HasInterruptDisableFlag = cpuState.HasStatusFlag(StatusFlag.InterruptDisable);
HasBreakFlag = cpuState.HasStatusFlag(StatusFlag.Break);
HasDecimalFlag = cpuState.HasStatusFlag(StatusFlag.Decimal);
HasOverflowFlag = cpuState.HasStatusFlag(StatusFlag.Overflow);
HasZeroFlag = cpuState.HasStatusFlag(StatusFlag.Zero);
if (operation != null)
{
OperationAddress = operation.Address;
OperationOpName = operation.Instruction.OpcodeName;
OperationOperand = operation.GetOperandPretty();
}
}
