// license:GPL-2.0+ // copyright-holders:Couriersud /* * nld_74175.c * */ #include "nld_74175.h" #include "netlist/nl_base.h" #include "nlid_system.h" namespace netlist { namespace devices { NETLIB_OBJECT(74175) { NETLIB_CONSTRUCTOR(74175) , m_D(*this, {{"D1", "D2", "D3", "D4"}}) , m_CLRQ(*this, "CLRQ") , m_CLK(*this, "CLK", NETLIB_DELEGATE(74175, clk)) , m_Q(*this, {{"Q1", "Q2", "Q3", "Q4"}}) , m_QQ(*this, {{"Q1Q", "Q2Q", "Q3Q", "Q4Q"}}) , m_data(*this, "m_data", 0) , m_power_pins(*this) { } NETLIB_RESETI(); NETLIB_UPDATEI(); NETLIB_HANDLERI(clk); protected: object_array_t m_D; logic_input_t m_CLRQ; logic_input_t m_CLK; object_array_t m_Q; object_array_t m_QQ; state_var m_data; nld_power_pins m_power_pins; }; NETLIB_OBJECT_DERIVED(74175_dip, 74175) { NETLIB_CONSTRUCTOR_DERIVED(74175_dip, 74175) { register_subalias("9", m_CLK); register_subalias("1", m_CLRQ); register_subalias("4", m_D[0]); register_subalias("2", m_Q[0]); register_subalias("3", m_QQ[0]); register_subalias("5", m_D[1]); register_subalias("7", m_Q[1]); register_subalias("6", m_QQ[1]); register_subalias("12", m_D[2]); register_subalias("10", m_Q[2]); register_subalias("11", m_QQ[2]); register_subalias("13", m_D[3]); register_subalias("15", m_Q[3]); register_subalias("14", m_QQ[3]); register_subalias("8", "GND"); register_subalias("16", "VCC"); } }; constexpr const netlist_time delay[2] = { NLTIME_FROM_NS(25), NLTIME_FROM_NS(25) }; constexpr const netlist_time delay_clear[2] = { NLTIME_FROM_NS(40), NLTIME_FROM_NS(25) }; NETLIB_HANDLER(74175, clk) { if (m_CLRQ()) { for (std::size_t i=0; i<4; i++) { netlist_sig_t d = (m_data >> i) & 1; m_Q[i].push(d, delay[d]); m_QQ[i].push(d ^ 1, delay[d ^ 1]); } m_CLK.inactivate(); } } NETLIB_UPDATE(74175) { uint_fast8_t d = 0; for (std::size_t i=0; i<4; i++) { d |= (m_D[i]() << i); } if (!m_CLRQ()) { for (std::size_t i=0; i<4; i++) { m_Q[i].push(0, delay_clear[0]); m_QQ[i].push(1, delay_clear[1]); } m_data = 0; } else if (d != m_data) { m_data = d; m_CLK.activate_lh(); } } NETLIB_RESET(74175) { m_CLK.set_state(logic_t::STATE_INP_LH); m_data = 0xFF; } NETLIB_DEVICE_IMPL(74175, "TTL_74175", "+CLK,+D1,+D2,+D3,+D4,+CLRQ,@VCC,@GND") NETLIB_DEVICE_IMPL(74175_dip,"TTL_74175_DIP", "") } //namespace devices } // namespace netlist