netlist: bug fixing.

- fix sound route dependency
- add "K" as a valid Kilo multiplier.
- Fix current source parameter update.

src/devices/machine/netlist.cpp

@@ -467,6 +467,8 @@ private:
 
 netlist::setup_t &netlist_mame_device::setup()
 {
+	if (!m_netlist)
+		throw device_missing_dependencies();
 	return m_netlist->nlstate().setup();
 }
 
@@ -548,6 +550,14 @@ void netlist_mame_sub_interface::set_mult_offset(const double mult, const double
 	m_offset = offset;
 }
 
+netlist_mame_analog_input_device::netlist_mame_analog_input_device(const machine_config &mconfig, const char *tag, device_t *owner, const char *param_name)
+	: device_t(mconfig, NETLIST_ANALOG_INPUT, tag, owner, 0)
+	, netlist_mame_sub_interface(*owner)
+	, m_param(nullptr)
+	, m_auto_port(true)
+	, m_param_name(param_name)
+{
+}
 
 netlist_mame_analog_input_device::netlist_mame_analog_input_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
 	: device_t(mconfig, NETLIST_ANALOG_INPUT, tag, owner, clock)

src/devices/machine/netlist.h

@@ -300,6 +300,8 @@ class netlist_mame_analog_input_device : public device_t, public netlist_mame_su
 public:
 
 	// construction/destruction
+	netlist_mame_analog_input_device(const machine_config &mconfig, const char *tag, device_t *owner, const char *param_name);
+
 	netlist_mame_analog_input_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
 
 	void set_name(const char *param_name) { m_param_name = param_name; }

src/lib/netlist/analog/nlid_twoterm.cpp

@@ -56,22 +56,6 @@ NETLIB_RESET(R_base)
 	set_R(1.0 / exec().gmin());
 }
 
-// ----------------------------------------------------------------------------------------
-// nld_R
-// ----------------------------------------------------------------------------------------
-
-NETLIB_UPDATE_PARAM(R)
-{
-	solve_now();
-	set_R(std::max(m_R(), exec().gmin()));
-}
-
-NETLIB_RESET(R)
-{
-	NETLIB_NAME(twoterm)::reset();
-	set_R(std::max(m_R(), exec().gmin()));
-}
-
 // ----------------------------------------------------------------------------------------
 // nld_POT
 // ----------------------------------------------------------------------------------------

src/lib/netlist/analog/nlid_twoterm.h

@@ -149,9 +149,18 @@ namespace analog
 
 	protected:
 
-		NETLIB_RESETI();
 		//NETLIB_UPDATEI() { }
-		NETLIB_UPDATE_PARAMI();
+		NETLIB_RESETI()
+		{
+			NETLIB_NAME(twoterm)::reset();
+			set_R(std::max(m_R(), exec().gmin()));
+		}
+
+		NETLIB_UPDATE_PARAMI()
+		{
+			solve_now();
+			set_R(std::max(m_R(), exec().gmin()));
+		}
 
 	private:
 		param_double_t m_R;
@@ -465,6 +474,14 @@ namespace analog
 					0.0, 0.0,  m_I());
 		}
 
+		NETLIB_UPDATE_PARAMI()
+		{
+			solve_now();
+			set_mat(0.0, 0.0, -m_I(),
+					0.0, 0.0,  m_I());
+		}
+
+
 	private:
 		state_var<double> m_t;
 		param_double_t m_I;

src/lib/netlist/nl_setup.cpp

@@ -912,6 +912,7 @@ nl_double models_t::value(pstring model, pstring entity)
 	{
 		case 'M': factor = 1e6; break;
 		case 'k': factor = 1e3; break;
+		case 'K': factor = 1e3; break;
 		case 'm': factor = 1e-3; break;
 		case 'u': factor = 1e-6; break;
 		case 'n': factor = 1e-9; break;