Ejemplo n.º 1
0
        public Motherboard()
        {
            clk1 = new Frequency(21477272, new Ratio(8, 11)); // 21,477,272.72~
            clk2 = new Frequency(24576000, new Ratio(0,  0)); // 24,576,000.00

            Frequency.Synchronize(clk1, clk2);

            cpu  = new SCPU ();
            dsp  = new SDSP ();
            ppu1 = new SPPU1();
            ppu2 = new SPPU2();
            smp  = new SSMP ();
        }
Ejemplo n.º 2
0
        public static void Synchronize(Frequency a, Frequency b)
        {
            if (a.r.d <= 0) throw new ArgumentException("Denominator of 'a' must be positive, and non-zero.");
            if (b.r.d <= 0) throw new ArgumentException("Denominator of 'b' must be positive, and non-zero.");

            // make both frequencies integers, and align them to each other
            // todo: make 64-bit?
            a.single = ((a.f * a.r.d) + a.r.n) * b.r.d;
            b.single = ((b.f * b.r.d) + b.r.n) * a.r.d;

            MathHelper.Reduce(ref a.single, ref b.single);

            // create synchronization point
            a.period = Math.Max(a.single, b.single);
            b.period = Math.Max(a.single, b.single);
        }