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 ();
}
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);
}
