// license:GPL-2.0+ // copyright-holders:Couriersud /* * nld_74174.cpp * */ #include "nld_74174.h" #include "netlist/nl_base.h" #include "nlid_system.h" namespace netlist { namespace devices { NETLIB_OBJECT(74174) { NETLIB_CONSTRUCTOR(74174) , m_CLK(*this, "CLK", NETLIB_DELEGATE(74174, sub)) , m_Q(*this, {{"Q1", "Q2", "Q3", "Q4", "Q5", "Q6"}}) , m_clrq(*this, "m_clr", 0) , m_data(*this, "m_data", 0) , m_D(*this, {{"D1", "D2", "D3", "D4", "D5", "D6"}}) , m_CLRQ(*this, "CLRQ") , m_power_pins(*this) { } NETLIB_RESETI(); NETLIB_UPDATEI(); NETLIB_HANDLERI(sub) { if (m_clrq) { for (std::size_t i=0; i<6; i++) { netlist_sig_t d = (m_data >> i) & 1; m_Q[i].push(d, NLTIME_FROM_NS(25)); } m_CLK.inactivate(); } } protected: logic_input_t m_CLK; object_array_t m_Q; state_var m_clrq; state_var m_data; object_array_t m_D; logic_input_t m_CLRQ; nld_power_pins m_power_pins; }; NETLIB_OBJECT_DERIVED(74174_dip, 74174) { NETLIB_CONSTRUCTOR_DERIVED(74174_dip, 74174) { register_subalias("1", m_CLRQ); register_subalias("9", m_CLK); register_subalias("3", m_D[0]); register_subalias("2", m_Q[0]); register_subalias("4", m_D[1]); register_subalias("5", m_Q[1]); register_subalias("6", m_D[2]); register_subalias("7", m_Q[2]); register_subalias("11", m_D[3]); register_subalias("10", m_Q[3]); register_subalias("13", m_D[4]); register_subalias("12", m_Q[4]); register_subalias("14", m_D[5]); register_subalias("15", m_Q[5]); register_subalias("8", "GND"); register_subalias("16", "VCC"); } }; NETLIB_UPDATE(74174) { uint_fast8_t d = 0; for (std::size_t i=0; i<6; i++) { d |= (m_D[i]() << i); } m_clrq = m_CLRQ(); if (!m_clrq) { for (std::size_t i=0; i<6; i++) { m_Q[i].push(0, NLTIME_FROM_NS(40)); } m_data = 0; } else if (d != m_data) { m_data = d; m_CLK.activate_lh(); } } NETLIB_RESET(74174) { m_CLK.set_state(logic_t::STATE_INP_LH); m_clrq = 0; m_data = 0xFF; } NETLIB_DEVICE_IMPL(74174, "TTL_74174", "+CLK,+D1,+D2,+D3,+D4,+D5,+D6,+CLRQ,@VCC,@GND") NETLIB_DEVICE_IMPL(74174_dip,"TTL_74174_DIP", "") } //namespace devices } // namespace netlist