// license:GPL-2.0+ // copyright-holders:Couriersud /* * nld_4020.c * */ #include "nlid_cmos.h" #include "nld_4020.h" namespace netlist { namespace devices { NETLIB_OBJECT(CD4020_sub) { NETLIB_CONSTRUCTOR(CD4020_sub) NETLIB_FAMILY("CD4XXX") , m_IP(*this, "IP") , m_Q(*this, {{"Q1", "_Q2", "_Q3", "Q4", "Q5", "Q6", "Q7", "Q8", "Q9", "Q10", "Q11", "Q12", "Q13", "Q14"}}) , m_cnt(*this, "m_cnt", 0) { } NETLIB_RESETI() { m_IP.set_state(logic_t::STATE_INP_HL); m_cnt = 0; } NETLIB_UPDATEI(); public: void update_outputs(const unsigned cnt); logic_input_t m_IP; object_array_t m_Q; state_var m_cnt; }; NETLIB_OBJECT(CD4020) { NETLIB_CONSTRUCTOR(CD4020) NETLIB_FAMILY("CD4XXX") , m_sub(*this, "sub") , m_supply(*this, "supply") , m_RESET(*this, "RESET") { register_subalias("IP", m_sub.m_IP); register_subalias("Q1", m_sub.m_Q[0]); register_subalias("Q4", m_sub.m_Q[3]); register_subalias("Q5", m_sub.m_Q[4]); register_subalias("Q6", m_sub.m_Q[5]); register_subalias("Q7", m_sub.m_Q[6]); register_subalias("Q8", m_sub.m_Q[7]); register_subalias("Q9", m_sub.m_Q[8]); register_subalias("Q10", m_sub.m_Q[9]); register_subalias("Q11", m_sub.m_Q[10]); register_subalias("Q12", m_sub.m_Q[11]); register_subalias("Q13", m_sub.m_Q[12]); register_subalias("Q14", m_sub.m_Q[13]); register_subalias("VDD", m_supply.m_vdd); register_subalias("VSS", m_supply.m_vss); } NETLIB_RESETI() { } NETLIB_UPDATEI(); private: NETLIB_SUB(CD4020_sub) m_sub; NETLIB_SUB(vdd_vss) m_supply; logic_input_t m_RESET; }; NETLIB_UPDATE(CD4020_sub) { ++m_cnt; m_cnt &= 0x3fff; update_outputs(m_cnt); } NETLIB_UPDATE(CD4020) { if (m_RESET()) { m_sub.m_cnt = 0; m_sub.m_IP.inactivate(); /* static */ const netlist_time reset_time = netlist_time::from_nsec(140); m_sub.m_Q[0].push(0, reset_time); for (std::size_t i=3; i<14; i++) m_sub.m_Q[i].push(0, reset_time); } else m_sub.m_IP.activate_hl(); } inline NETLIB_FUNC_VOID(CD4020_sub, update_outputs, (const unsigned cnt)) { /* static */ const netlist_time out_delayQn[14] = { NLTIME_FROM_NS(180), NLTIME_FROM_NS(280), NLTIME_FROM_NS(380), NLTIME_FROM_NS(480), NLTIME_FROM_NS(580), NLTIME_FROM_NS(680), NLTIME_FROM_NS(780), NLTIME_FROM_NS(880), NLTIME_FROM_NS(980), NLTIME_FROM_NS(1080), NLTIME_FROM_NS(1180), NLTIME_FROM_NS(1280), NLTIME_FROM_NS(1380), NLTIME_FROM_NS(1480), }; m_Q[0].push(cnt & 1, out_delayQn[0]); for (std::size_t i=3; i<14; i++) m_Q[i].push((cnt >> i) & 1, out_delayQn[i]); } NETLIB_DEVICE_IMPL(CD4020) } //namespace devices } // namespace netlist