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// license:GPL-2.0+
// copyright-holders:Couriersud
/*
* nld_7474.c
*
*/
#include "nld_7474.h"
NETLIB_NAMESPACE_DEVICES_START()
ATTR_HOT inline void NETLIB_NAME(7474sub)::newstate(const UINT8 stateQ, const UINT8 stateQQ)
{
// 0: High-to-low 40 ns, 1: Low-to-high 25 ns
const netlist_time delay[2] = { NLTIME_FROM_NS(40), NLTIME_FROM_NS(25) };
OUTLOGIC(m_Q, stateQ, delay[stateQ]);
OUTLOGIC(m_QQ, stateQQ, delay[stateQQ]);
}
NETLIB_UPDATE(7474sub)
{
//if (INP_LH(m_CLK))
{
newstate(m_nextD, !m_nextD);
m_CLK.inactivate();
}
}
NETLIB_UPDATE(7474)
{
if (INPLOGIC(m_PREQ) && INPLOGIC(m_CLRQ))
{
m_D.activate();
sub.m_nextD = INPLOGIC(m_D);
sub.m_CLK.activate_lh();
}
else if (!INPLOGIC(m_PREQ))
{
sub.newstate(1, 0);
sub.m_CLK.inactivate();
m_D.inactivate();
}
else if (!INPLOGIC(m_CLRQ))
{
sub.newstate(0, 1);
sub.m_CLK.inactivate();
m_D.inactivate();
}
else
{
sub.newstate(1, 1);
sub.m_CLK.inactivate();
m_D.inactivate();
}
}
NETLIB_RESET(7474)
{
sub.do_reset();
}
NETLIB_RESET(7474sub)
{
m_CLK.set_state(logic_t::STATE_INP_LH);
m_nextD = 0;
}
NETLIB_RESET(7474_dip)
{
// m_1.do_reset();
//m_2.do_reset();
}
NETLIB_UPDATE(7474_dip)
{
//m_1.update_dev();
//m_2.update_dev();
}
NETLIB_NAMESPACE_DEVICES_END()
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