コード例 #1
0
    /**
     * @brief A coroutine to perform the 'decode' cycle.
     */
    public IEnumerator DecodeCycle()
    {
        if (currentlyProcessing)
        {
            Debug.Log("Cannot perform decode as CPU is currently processing");
        }
        else
        {
            currentlyProcessing = true;
            ConsoleControl.CONSOLE.LogMessage("Performing Decode Cycle");

            yield return(microInstructions.WriteToIR(MDR));

            //Decode IR's opcode.
            busSystem.StartTransferringData(BusControl.BUS_ROUTE.IR_CU);
            yield return(new WaitForSeconds(clock.GetSpeed()));

            SetCurrentInstructionFromCU(IR.Opcode());
            busSystem.StopTransferringData(BusControl.BUS_ROUTE.IR_CU);

            currentlyProcessing = false;
        }
    }
コード例 #2
0
    //DATA_MOVEMENT**********************************************\

    /**
     * @brief Reads the content of the PC into a given register.
     * @param register - The register to be written to.
     */
    public IEnumerator ReadFromPC(Register register)
    {
        busSystem.StartTransferringData(register.RouteToPC);
        yield return(new WaitForSeconds(clock.GetSpeed()));

        register.Write(PC.ReadString());
        busSystem.StopTransferringData(register.RouteToPC);
    }