mirror of
https://github.com/holub/mame
synced 2025-10-04 08:28:39 +03:00
db0dbeaea5
Renamed cast member of the constants struct to magic to clearly identify magic numbers. Introduced nlconst struct inheriting from plib::constants<nl_fptype> to make code better understandable.
77 lines
1.4 KiB
C++
77 lines
1.4 KiB
C++
// license:GPL-2.0+
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// copyright-holders:Couriersud
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/*
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* nld_4066.c
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*
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*/
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#include "nld_4066.h"
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#include "netlist/analog/nlid_twoterm.h"
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#include "netlist/solver/nld_solver.h"
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#include "nlid_system.h"
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namespace netlist
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{
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namespace devices
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{
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NETLIB_OBJECT(CD4066_GATE)
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{
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NETLIB_CONSTRUCTOR(CD4066_GATE)
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NETLIB_FAMILY("CD4XXX")
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, m_supply(*this, "VDD", "VSS", true)
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, m_R(*this, "R")
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, m_control(*this, "CTL")
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, m_base_r(*this, "BASER", nlconst::magic(270.0))
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{
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}
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NETLIB_RESETI();
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NETLIB_UPDATEI();
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private:
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nld_power_pins m_supply;
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analog::NETLIB_SUB(R_base) m_R;
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analog_input_t m_control;
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param_fp_t m_base_r;
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};
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NETLIB_RESET(CD4066_GATE)
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{
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// Start in off condition
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// FIXME: is ROFF correct?
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m_R.set_R(nlconst::one() / exec().gmin());
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}
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NETLIB_UPDATE(CD4066_GATE)
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{
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nl_fptype sup = (m_supply.VCC() - m_supply.GND());
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nl_fptype low = nlconst::magic(0.45) * sup;
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nl_fptype high = nlconst::magic(0.55) * sup;
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nl_fptype in = m_control() - m_supply.GND();
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nl_fptype rON = m_base_r() * nlconst::magic(5.0) / sup;
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nl_fptype R = -nlconst::one();
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if (in < low)
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{
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R = nlconst::one() / exec().gmin();
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}
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else if (in > high)
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{
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R = rON;
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}
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if (R > nlconst::zero())
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{
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m_R.update();
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m_R.set_R(R);
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m_R.solve_later();
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}
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}
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NETLIB_DEVICE_IMPL(CD4066_GATE, "CD4066_GATE", "")
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} //namespace devices
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} // namespace netlist
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