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/*
* nld_7474.c
*
*/
#include "nld_7474.h"
ATTR_HOT inline void NETLIB_NAME(7474sub)::newstate(const UINT8 state)
{
static const netlist_time delay[2] = { NLTIME_FROM_NS(25), NLTIME_FROM_NS(40) };
OUTLOGIC(m_Q, state, delay[state]);
OUTLOGIC(m_QQ, !state, delay[!state]);
}
NETLIB_UPDATE(7474sub)
{
//if (!INP_LAST(m_clk) & INP(m_clk))
{
newstate(m_nextD);
m_clk.inactivate();
}
}
NETLIB_UPDATE(7474)
{
if (!INPLOGIC(m_preQ))
{
sub.newstate(1);
sub.m_clk.inactivate();
m_D.inactivate();
}
else if (!INPLOGIC(m_clrQ))
{
sub.newstate(0);
sub.m_clk.inactivate();
m_D.inactivate();
}
else
{
m_D.activate();
sub.m_nextD = INPLOGIC(m_D);
sub.m_clk.activate_lh();
}
}
NETLIB_START(7474)
{
register_sub(sub, "sub");
register_subalias("CLK", sub.m_clk);
register_input("D", m_D);
register_input("CLRQ", m_clrQ);
register_input("PREQ", m_preQ);
register_subalias("Q", sub.m_Q);
register_subalias("QQ", sub.m_QQ);
}
NETLIB_START(7474sub)
{
register_input("CLK", m_clk, netlist_input_t::STATE_INP_LH);
register_output("Q", m_Q);
register_output("QQ", m_QQ);
m_Q.initial(1);
m_QQ.initial(0);
}
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