mame/src/lib/netlist/devices/nld_system.cpp
2016-04-24 12:58:31 +02:00

384 lines
7.9 KiB
C++

// license:GPL-2.0+
// copyright-holders:Couriersud
/*
* nld_system.c
*
*/
#include <solver/nld_solver.h>
#include <solver/nld_matrix_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_vector_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 != nullptr)
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().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_vector_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.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.push_back(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()