public IActionResult Pi(DoublePrecision precision)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
else
{
return(Ok(_mathService.Pi(precision.Digits)));
}
}
public void Execute(ushort K0)
{
// find previous address
var K1 = (ushort)(K0 - 1);
// read DP values from registers and memroy
var dp1 = new DoublePrecision(CPU.A.Read(), CPU.L.Read());
var dp2 = new DoublePrecision(CPU.Memory[K1], CPU.Memory[K0]);
// create sum
var sum = dp1 + dp2;
// calculate A and L result values first,
// this handles the case for when K0 is the L register
// L always cleared to +0
CPU.L.Write(OnesCompliment.PositiveZero);
// A set based upon overflow
if (sum.MostSignificantWord.IsPositiveOverflow)
{
CPU.A.Write(OnesCompliment.PositiveOne);
}
else if (sum.MostSignificantWord.IsNegativeOverflow)
{
CPU.A.Write(OnesCompliment.NegativeOne);
}
else
{
CPU.A.Write(OnesCompliment.PositiveZero);
}
// store result in memory
CPU.Memory[K1] = sum.MostSignificantWord;
CPU.Memory[K0] = sum.LeastSignificantWord;
}