private void Call(InstructionCode instruction, ReadOnlySpan <byte> program)
{
GetOpCodeArg(program, out int address);
if ((uint)address >= (uint)program.Length)
{
throw new VmExecutionException($"Invalid method address '0x{address.ToString("X4")}'.");
}
_localsState.Save(_locals);
_locals = new();
_argsState.Save(_args);
_args = new();
for (int idx = 0; idx < program[address]; idx++)
{
_args.Add(program[address] - idx - 1, _stackFrame.Pop());
}
// TODO (RH vNext): Use method table instead of arg count.
_stackFrame.AddStack();
_stackFrame.Push(_pointer);
_pointer = address + InstructionFacts.SizeOfMethodHeader;
}