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Diffstat (limited to 'src/lib/netlist/devices/nld_system.cpp')
-rw-r--r--src/lib/netlist/devices/nld_system.cpp384
1 files changed, 384 insertions, 0 deletions
diff --git a/src/lib/netlist/devices/nld_system.cpp b/src/lib/netlist/devices/nld_system.cpp
new file mode 100644
index 00000000000..628ec617cb1
--- /dev/null
+++ b/src/lib/netlist/devices/nld_system.cpp
@@ -0,0 +1,384 @@
+// license:GPL-2.0+
+// copyright-holders:Couriersud
+/*
+ * nld_system.c
+ *
+ */
+
+#include <solver/nld_solver.h>
+#include "nld_system.h"
+
+NETLIB_NAMESPACE_DEVICES_START()
+
+// ----------------------------------------------------------------------------------------
+// netlistparams
+// ----------------------------------------------------------------------------------------
+
+NETLIB_START(netlistparams)
+{
+ register_param("USE_DEACTIVATE", m_use_deactivate, 0);
+}
+
+NETLIB_RESET(netlistparams)
+{
+}
+
+NETLIB_UPDATE_PARAM(netlistparams)
+{
+}
+
+NETLIB_UPDATE(netlistparams)
+{
+}
+
+
+// ----------------------------------------------------------------------------------------
+// clock
+// ----------------------------------------------------------------------------------------
+
+NETLIB_START(clock)
+{
+ register_output("Q", m_Q);
+ register_input("FB", m_feedback);
+
+ register_param("FREQ", m_freq, 7159000.0 * 5.0);
+ m_inc = netlist_time::from_hz(m_freq.Value()*2);
+
+ connect_late(m_feedback, m_Q);
+}
+
+NETLIB_RESET(clock)
+{
+}
+
+NETLIB_UPDATE_PARAM(clock)
+{
+ m_inc = netlist_time::from_hz(m_freq.Value()*2);
+}
+
+NETLIB_UPDATE(clock)
+{
+ OUTLOGIC(m_Q, !m_Q.net().as_logic().new_Q(), m_inc );
+}
+
+// ----------------------------------------------------------------------------------------
+// extclock
+// ----------------------------------------------------------------------------------------
+
+NETLIB_START(extclock)
+{
+ register_output("Q", m_Q);
+ register_input("FB", m_feedback);
+
+ register_param("FREQ", m_freq, 7159000.0 * 5.0);
+ register_param("PATTERN", m_pattern, "1,1");
+ register_param("OFFSET", m_offset, 0.0);
+ m_inc[0] = netlist_time::from_hz(m_freq.Value()*2);
+
+ connect_late(m_feedback, m_Q);
+ {
+ netlist_time base = netlist_time::from_hz(m_freq.Value()*2);
+ pstring_list_t pat(m_pattern.Value(),",");
+ m_off = netlist_time::from_double(m_offset.Value());
+
+ int pati[256];
+ m_size = pat.size();
+ int total = 0;
+ for (int i=0; i<m_size; i++)
+ {
+ pati[i] = pat[i].as_long();
+ total += pati[i];
+ }
+ netlist_time ttotal = netlist_time::zero;
+ for (int i=0; i<m_size - 1; i++)
+ {
+ m_inc[i] = base * pati[i];
+ ttotal += m_inc[i];
+ }
+ m_inc[m_size - 1] = base * total - ttotal;
+ }
+ save(NLNAME(m_cnt));
+ save(NLNAME(m_off));
+}
+
+NETLIB_RESET(extclock)
+{
+ m_cnt = 0;
+ m_off = netlist_time::from_double(m_offset.Value());
+ m_Q.initial(0);
+}
+
+NETLIB_UPDATE_PARAM(extclock)
+{
+}
+
+NETLIB_UPDATE(extclock)
+{
+ if (m_cnt != 0)
+ {
+ OUTLOGIC(m_Q, (m_cnt & 1) ^ 1, m_inc[m_cnt]);
+ m_cnt = (m_cnt + 1) % m_size;
+ }
+ else
+ {
+ OUTLOGIC(m_Q, (m_cnt & 1) ^ 1, m_inc[0] + m_off);
+ m_cnt = 1;
+ m_off = netlist_time::zero;
+ }
+}
+
+// ----------------------------------------------------------------------------------------
+// logic_input
+// ----------------------------------------------------------------------------------------
+
+NETLIB_START(logic_input)
+{
+ /* make sure we get the family first */
+ register_param("FAMILY", m_FAMILY, "FAMILY(TYPE=TTL)");
+ set_logic_family(netlist().setup().family_from_model(m_FAMILY.Value()));
+
+ register_output("Q", m_Q);
+ register_param("IN", m_IN, 0);
+}
+
+NETLIB_RESET(logic_input)
+{
+}
+
+NETLIB_STOP(logic_input)
+{
+ if (m_logic_family != NULL)
+ if (!m_logic_family->m_is_static)
+ pfree(m_logic_family);
+}
+
+
+NETLIB_UPDATE(logic_input)
+{
+ OUTLOGIC(m_Q, m_IN.Value() & 1, netlist_time::from_nsec(1));
+}
+
+NETLIB_UPDATE_PARAM(logic_input)
+{
+ update();
+}
+
+// ----------------------------------------------------------------------------------------
+// analog_input
+// ----------------------------------------------------------------------------------------
+
+NETLIB_START(analog_input)
+{
+ register_output("Q", m_Q);
+ register_param("IN", m_IN, 0.0);
+}
+
+NETLIB_RESET(analog_input)
+{
+}
+
+NETLIB_UPDATE(analog_input)
+{
+ OUTANALOG(m_Q, m_IN.Value());
+}
+
+NETLIB_UPDATE_PARAM(analog_input)
+{
+ update();
+}
+
+// ----------------------------------------------------------------------------------------
+// nld_d_to_a_proxy
+// ----------------------------------------------------------------------------------------
+
+void nld_d_to_a_proxy::start()
+{
+ nld_base_d_to_a_proxy::start();
+
+ register_sub("RV", m_RV);
+ register_terminal("1", m_RV.m_P);
+ register_terminal("2", m_RV.m_N);
+
+ register_output("_Q", m_Q);
+ register_subalias("Q", m_RV.m_P);
+
+ connect_direct(m_RV.m_N, m_Q);
+
+ save(NLNAME(m_last_state));
+}
+
+void nld_d_to_a_proxy::reset()
+{
+ m_Q.initial(0.0);
+ m_last_state = -1;
+ m_RV.do_reset();
+ m_is_timestep = m_RV.m_P.net().as_analog().solver()->is_timestep();
+ m_RV.set(NL_FCONST(1.0) / logic_family().m_R_low, logic_family().m_low_V, 0.0);
+}
+
+ATTR_HOT void nld_d_to_a_proxy::update()
+{
+ const int state = INPLOGIC(m_I);
+ if (state != m_last_state)
+ {
+ m_last_state = state;
+ const nl_double R = state ? logic_family().m_R_high : logic_family().m_R_low;
+ const nl_double V = state ? logic_family().m_high_V : logic_family().m_low_V;
+
+ // We only need to update the net first if this is a time stepping net
+ if (m_is_timestep)
+ {
+ m_RV.update_dev();
+ }
+ m_RV.set(NL_FCONST(1.0) / R, V, 0.0);
+ m_RV.m_P.schedule_after(NLTIME_FROM_NS(1));
+ }
+}
+
+
+// -----------------------------------------------------------------------------
+// nld_res_sw
+// -----------------------------------------------------------------------------
+
+NETLIB_START(res_sw)
+{
+ register_sub("R", m_R);
+ register_input("I", m_I);
+ register_param("RON", m_RON, 1.0);
+ register_param("ROFF", m_ROFF, 1.0E20);
+
+ register_subalias("1", m_R.m_P);
+ register_subalias("2", m_R.m_N);
+
+ save(NLNAME(m_last_state));
+}
+
+NETLIB_RESET(res_sw)
+{
+ m_last_state = 0;
+ m_R.set_R(m_ROFF.Value());
+}
+
+NETLIB_UPDATE(res_sw)
+{
+ const int state = INPLOGIC(m_I);
+ if (state != m_last_state)
+ {
+ m_last_state = state;
+ const nl_double R = state ? m_RON.Value() : m_ROFF.Value();
+
+ // We only need to update the net first if this is a time stepping net
+ if (0) // m_R.m_P.net().as_analog().solver()->is_timestep())
+ {
+ m_R.update_dev();
+ m_R.set_R(R);
+ m_R.m_P.schedule_after(NLTIME_FROM_NS(1));
+ }
+ else
+ {
+ m_R.set_R(R);
+ m_R.m_P.schedule_after(NLTIME_FROM_NS(1));
+ //m_R.update_dev();
+ }
+ }
+}
+
+NETLIB_UPDATE_PARAM(res_sw)
+{
+ // nothing, not intended to be called
+}
+
+/* -----------------------------------------------------------------------------
+ * nld_function
+ * ----------------------------------------------------------------------------- */
+
+NETLIB_START(function)
+{
+ register_param("N", m_N, 2);
+ register_param("FUNC", m_func, "");
+ register_output("Q", m_Q);
+
+ for (int i=0; i < m_N; i++)
+ register_input(pfmt("A{1}")(i), m_I[i]);
+
+ pstring_list_t cmds(m_func.Value(), " ");
+ m_precompiled.clear();
+
+ for (std::size_t i=0; i < cmds.size(); i++)
+ {
+ pstring cmd = cmds[i];
+ rpn_inst rc;
+ if (cmd == "+")
+ rc.m_cmd = ADD;
+ else if (cmd == "-")
+ rc.m_cmd = SUB;
+ else if (cmd == "*")
+ rc.m_cmd = MULT;
+ else if (cmd == "/")
+ rc.m_cmd = DIV;
+ else if (cmd == "/")
+ rc.m_cmd = DIV;
+ else if (cmd.startsWith("A"))
+ {
+ rc.m_cmd = PUSH_INPUT;
+ rc.m_param = cmd.substr(1).as_long();
+ }
+ else
+ {
+ bool err = false;
+ rc.m_cmd = PUSH_CONST;
+ rc.m_param = cmd.as_double(&err);
+ if (err)
+ netlist().log().fatal("nld_function: unknown/misformatted token <{1}> in <{2}>", cmd, m_func.Value());
+ }
+ m_precompiled.add(rc);
+ }
+
+}
+
+NETLIB_RESET(function)
+{
+ m_Q.initial(0.0);
+}
+
+NETLIB_UPDATE(function)
+{
+ //nl_double val = INPANALOG(m_I[0]) * INPANALOG(m_I[1]) * 0.2;
+ //OUTANALOG(m_Q, val);
+ nl_double stack[20];
+ unsigned ptr = 0;
+ unsigned e = m_precompiled.size();
+ for (unsigned i = 0; i<e; i++)
+ {
+ rpn_inst &rc = m_precompiled[i];
+ switch (rc.m_cmd)
+ {
+ case ADD:
+ ptr--;
+ stack[ptr-1] = stack[ptr] + stack[ptr-1];
+ break;
+ case MULT:
+ ptr--;
+ stack[ptr-1] = stack[ptr] * stack[ptr-1];
+ break;
+ case SUB:
+ ptr--;
+ stack[ptr-1] = stack[ptr-1] - stack[ptr];
+ break;
+ case DIV:
+ ptr--;
+ stack[ptr-1] = stack[ptr-1] / stack[ptr];
+ break;
+ case PUSH_INPUT:
+ stack[ptr++] = INPANALOG(m_I[(int) rc.m_param]);
+ break;
+ case PUSH_CONST:
+ stack[ptr++] = rc.m_param;
+ break;
+ }
+ }
+ OUTANALOG(m_Q, stack[ptr-1]);
+}
+
+
+NETLIB_NAMESPACE_DEVICES_END()