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// license:GPL-2.0+
// copyright-holders:Couriersud
/*
* nld_7483.c
*
*/
#include "nld_7483.h"
NETLIB_NAMESPACE_DEVICES_START()
NETLIB_START(7483)
{
register_input("A1", m_A1);
register_input("A2", m_A2);
register_input("A3", m_A3);
register_input("A4", m_A4);
register_input("B1", m_B1);
register_input("B2", m_B2);
register_input("B3", m_B3);
register_input("B4", m_B4);
register_input("C0", m_C0);
register_output("S1", m_S1);
register_output("S2", m_S2);
register_output("S3", m_S3);
register_output("S4", m_S4);
register_output("C4", m_C4);
save(NLNAME(m_lastr));
}
NETLIB_RESET(7483)
{
m_lastr = 0;
}
NETLIB_UPDATE(7483)
{
UINT8 a = (INPLOGIC(m_A1) << 0) | (INPLOGIC(m_A2) << 1) | (INPLOGIC(m_A3) << 2) | (INPLOGIC(m_A4) << 3);
UINT8 b = (INPLOGIC(m_B1) << 0) | (INPLOGIC(m_B2) << 1) | (INPLOGIC(m_B3) << 2) | (INPLOGIC(m_B4) << 3);
UINT8 r = a + b + INPLOGIC(m_C0);
if (r != m_lastr)
{
m_lastr = r;
OUTLOGIC(m_S1, (r >> 0) & 1, NLTIME_FROM_NS(23));
OUTLOGIC(m_S2, (r >> 1) & 1, NLTIME_FROM_NS(23));
OUTLOGIC(m_S3, (r >> 2) & 1, NLTIME_FROM_NS(23));
OUTLOGIC(m_S4, (r >> 3) & 1, NLTIME_FROM_NS(23));
OUTLOGIC(m_C4, (r >> 4) & 1, NLTIME_FROM_NS(23));
}
}
NETLIB_START(7483_dip)
{
NETLIB_NAME(7483)::start();
register_subalias("1", m_A4);
register_subalias("2", m_S3);
register_subalias("3", m_A3);
register_subalias("4", m_B3);
// register_subalias("5", ); --> VCC
register_subalias("6", m_S2);
register_subalias("7", m_B2);
register_subalias("8", m_A2);
register_subalias("9", m_S1);
register_subalias("10", m_A1);
register_subalias("11", m_B1);
// register_subalias("12", ); --> GND
register_subalias("13", m_C0);
register_subalias("14", m_C4);
register_subalias("15", m_S4);
register_subalias("16", m_B4);
}
NETLIB_UPDATE(7483_dip)
{
NETLIB_NAME(7483)::update();
}
NETLIB_RESET(7483_dip)
{
NETLIB_NAME(7483)::reset();
}
NETLIB_NAMESPACE_DEVICES_END()
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