mame/src/lib/netlist/devices/nld_4066.cpp
couriersud ba03118b09 More netlist refactoring:
- Remove virtual from some destructors and make them protected. 
- Various cleanups.
- Small performance improvement. 
- Fixed some inconsistencies. 
- More c++ refactoring. (nw)
2017-01-25 22:17:48 +01:00

84 lines
1.5 KiB
C++

// license:GPL-2.0+
// copyright-holders:Couriersud
/*
* nld_4066.c
*
*/
#include "devices/nlid_cmos.h"
#include "analog/nld_twoterm.h"
#include "nld_4066.h"
namespace netlist
{
namespace devices
{
NETLIB_OBJECT(CD4066_GATE)
{
NETLIB_CONSTRUCTOR(CD4066_GATE)
NETLIB_FAMILY("CD4XXX")
, m_supply(*this, "PS")
, m_R(*this, "R")
, m_control(*this, "CTL")
, m_base_r(*this, "BASER", 270.0)
{
}
NETLIB_RESETI();
NETLIB_UPDATEI();
public:
NETLIB_SUB(vdd_vss) m_supply;
analog::NETLIB_SUB(R_base) m_R;
analog_input_t m_control;
param_double_t m_base_r;
};
NETLIB_RESET(CD4066_GATE)
{
// Start in off condition
// FIXME: is ROFF correct?
m_R.set_R(NL_FCONST(1.0) / netlist().gmin());
}
NETLIB_UPDATE(CD4066_GATE)
{
nl_double sup = (m_supply.vdd() - m_supply.vss());
nl_double low = NL_FCONST(0.45) * sup;
nl_double high = NL_FCONST(0.55) * sup;
nl_double in = m_control() - m_supply.vss();
nl_double rON = m_base_r() * NL_FCONST(5.0) / sup;
nl_double R = -1.0;
if (in < low)
{
R = NL_FCONST(1.0) / netlist().gmin();
}
else if (in > high)
{
R = rON;
}
if (R > NL_FCONST(0.0))
{
// We only need to update the net first if this is a time stepping net
if ((1)) // 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.update_dev();
}
}
}
NETLIB_DEVICE_IMPL(CD4066_GATE)
} //namespace devices
} // namespace netlist