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// license:GPL-2.0+
// copyright-holders:Couriersud
/*
* nld_74153.c
*
*/
#include "nld_74153.h"
#include "netlist/nl_base.h"
#include "nlid_system.h"
namespace netlist
{
namespace devices
{
/* FIXME: timing is not 100% accurate, Strobe and Select inputs have a
* slightly longer timing.
* Convert this to sub-devices at some time.
*/
NETLIB_OBJECT(74153)
{
NETLIB_CONSTRUCTOR(74153)
, m_C(*this, {{"C0", "C1", "C2", "C3"}}, NETLIB_DELEGATE(74153, sub))
, m_G(*this, "G", NETLIB_DELEGATE(74153, sub))
, m_Y(*this, "AY") //FIXME: Change netlists
, m_chan(*this, "m_chan", 0)
, m_A(*this, "A")
, m_B(*this, "B")
, m_power_pins(*this)
{
}
NETLIB_RESETI()
{
m_chan = 0;
}
NETLIB_UPDATEI()
{
m_chan = (m_A() | (m_B()<<1));
sub();
}
NETLIB_HANDLERI(sub)
{
constexpr const netlist_time delay[2] = { NLTIME_FROM_NS(23), NLTIME_FROM_NS(18) };
if (!m_G())
{
auto t = m_C[m_chan]();
m_Y.push(t, delay[t]);
}
else
{
m_Y.push(0, delay[0]);
}
}
public:
object_array_t<logic_input_t, 4> m_C;
logic_input_t m_G;
logic_output_t m_Y;
state_var<unsigned> m_chan;
logic_input_t m_A;
logic_input_t m_B;
nld_power_pins m_power_pins;
};
NETLIB_OBJECT(74153_dip)
{
NETLIB_CONSTRUCTOR(74153_dip)
, m_A(*this, "A")
, m_B(*this, "B")
{
register_subalias("1", m_A.m_G);
register_subalias("2", m_A.m_B);
register_subalias("3", m_A.m_C[3]);
register_subalias("4", m_A.m_C[2]);
register_subalias("5", m_A.m_C[1]);
register_subalias("6", m_A.m_C[0]);
register_subalias("7", m_A.m_Y);
register_subalias("8", "A.GND");
register_subalias("9", m_B.m_Y);
register_subalias("10", m_B.m_C[0]);
register_subalias("11", m_B.m_C[1]);
register_subalias("12", m_B.m_C[2]);
register_subalias("13", m_B.m_C[3]);
register_subalias("14", m_A.m_A);
register_subalias("15", m_B.m_G);
register_subalias("16", "A.VCC");
connect("A.GND", "B.GND");
connect("A.VCC", "B.VCC");
connect(m_A.m_A, m_B.m_A);
connect(m_A.m_B, m_B.m_B);
}
//NETLIB_RESETI();
//NETLIB_UPDATEI();
protected:
NETLIB_SUB(74153) m_A;
NETLIB_SUB(74153) m_B;
};
NETLIB_DEVICE_IMPL(74153, "TTL_74153", "+C0,+C1,+C2,+C3,+A,+B,+G,@VCC,@GND")
NETLIB_DEVICE_IMPL(74153_dip, "TTL_74153_DIP", "")
} //namespace devices
} // namespace netlist
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