// license:GPL-2.0+ // copyright-holders:Couriersud /* * nld_7486.c * */ #include "nld_7486.h" NETLIB_NAMESPACE_DEVICES_START() #if (USE_TRUTHTABLE) nld_7486::truthtable_t nld_7486::m_ttbl; const char *nld_7486::m_desc[] = { "A , B | Q ", "0,0|0|15", "0,1|1|22", "1,0|1|22", "1,1|0|15", "" }; #else NETLIB_START(7486) { register_input("A", m_I[0]); register_input("B", m_I[1]); register_output("Q", m_Q[0]); save(NLNAME(m_active)); } NETLIB_RESET(7486) { m_active = 1; } NETLIB_UPDATE(7486) { const netlist_time delay[2] = { NLTIME_FROM_NS(15), NLTIME_FROM_NS(22) }; UINT8 t = INPLOGIC(m_I[0]) ^ INPLOGIC(m_I[1]); OUTLOGIC(m_Q[0], t, delay[t]); } ATTR_HOT void NETLIB_NAME(7486)::inc_active() { const netlist_time delay[2] = { NLTIME_FROM_NS(15), NLTIME_FROM_NS(22) }; nl_assert(netlist().use_deactivate()); if (++m_active == 1) { m_I[0].activate(); m_I[1].activate(); netlist_time mt = this->m_I[0].net().time(); if (this->m_I[1].net().time() > mt) mt = this->m_I[1].net().time(); UINT8 t = INPLOGIC(m_I[0]) ^ INPLOGIC(m_I[1]); m_Q[0].net().set_Q_time(t, mt + delay[t]); } } ATTR_HOT void NETLIB_NAME(7486)::dec_active() { #if 1 nl_assert(netlist().use_deactivate()); if (--m_active == 0) { m_I[0].inactivate(); m_I[1].inactivate(); } #endif } #endif NETLIB_START(7486_dip) { register_sub("1", m_1); register_sub("2", m_2); register_sub("3", m_3); register_sub("4", m_4); register_subalias("1", m_1.m_I[0]); register_subalias("2", m_1.m_I[1]); register_subalias("3", m_1.m_Q[0]); register_subalias("4", m_2.m_I[0]); register_subalias("5", m_2.m_I[1]); register_subalias("6", m_2.m_Q[0]); register_subalias("9", m_3.m_I[0]); register_subalias("10", m_3.m_I[1]); register_subalias("8", m_3.m_Q[0]); register_subalias("12", m_4.m_I[0]); register_subalias("13", m_4.m_I[1]); register_subalias("11", m_4.m_Q[0]); } NETLIB_UPDATE(7486_dip) { /* only called during startup */ m_1.update_dev(); m_2.update_dev(); m_3.update_dev(); m_4.update_dev(); } NETLIB_RESET(7486_dip) { m_1.do_reset(); m_2.do_reset(); m_3.do_reset(); m_4.do_reset(); } NETLIB_NAMESPACE_DEVICES_END()