public static List <Instruction> ParseInput(string input)
=> input.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries)
.Select(line => line.Split(' '))
.Select(args => new Instruction()
{
Type = (InstructionType)Enum.Parse(typeof(InstructionType), args[0], ignoreCase: true),
Value1 = InsnValue.Parse(args[1]),
Value2 = args.Length < 3 ? null : InsnValue.Parse(args[2]),
})
.ToList();
public void Store(InsnValue register, BigInteger value)
{
Debug.Assert(register.RegisterName != null);
Registers[register.RegisterName] = value;
}
public BigInteger Read(InsnValue insnValue)
=> insnValue.RegisterName == null
? insnValue.Value
: Registers.TryGetValue(insnValue.RegisterName, out var val)
? val
: 0;