diff options
Diffstat (limited to 'src/lib/netlist/devices/nld_74174.cpp')
-rw-r--r-- | src/lib/netlist/devices/nld_74174.cpp | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/src/lib/netlist/devices/nld_74174.cpp b/src/lib/netlist/devices/nld_74174.cpp new file mode 100644 index 00000000000..64698423435 --- /dev/null +++ b/src/lib/netlist/devices/nld_74174.cpp @@ -0,0 +1,140 @@ +// license:GPL-2.0+ +// copyright-holders:Couriersud +/* + * nld_74174.cpp + * + */ + +#include "nld_74174.h" + +namespace netlist +{ + namespace devices + { + NETLIB_OBJECT(74174_sub) + { + NETLIB_CONSTRUCTOR(74174_sub) + , m_CLK(*this, "CLK") + , m_Q(*this, {{"Q1", "Q2", "Q3", "Q4", "Q5", "Q6"}}) + , m_clrq(*this, "m_clr", 0) + , m_data(*this, "m_data", 0) + { + } + + NETLIB_RESETI(); + NETLIB_UPDATEI(); + + public: + logic_input_t m_CLK; + object_array_t<logic_output_t, 6> m_Q; + + state_var<netlist_sig_t> m_clrq; + state_var<unsigned> m_data; + }; + + NETLIB_OBJECT(74174) + { + NETLIB_CONSTRUCTOR(74174) + , m_sub(*this, "sub") + , m_D(*this, {{"D1", "D2", "D3", "D4", "D5", "D6"}}) + , m_CLRQ(*this, "CLRQ") + { + register_subalias("CLK", m_sub.m_CLK); + + register_subalias("Q1", m_sub.m_Q[0]); + register_subalias("Q2", m_sub.m_Q[1]); + register_subalias("Q3", m_sub.m_Q[2]); + register_subalias("Q4", m_sub.m_Q[3]); + register_subalias("Q5", m_sub.m_Q[4]); + register_subalias("Q6", m_sub.m_Q[5]); + } + + NETLIB_RESETI(); + NETLIB_UPDATEI(); + + protected: + NETLIB_SUB(74174_sub) m_sub; + object_array_t<logic_input_t, 6> m_D; + logic_input_t m_CLRQ; + }; + + NETLIB_OBJECT_DERIVED(74174_dip, 74174) + { + NETLIB_CONSTRUCTOR_DERIVED(74174_dip, 74174) + { + register_subalias("1", m_CLRQ); + register_subalias("9", m_sub.m_CLK); + + register_subalias("3", m_D[0]); + register_subalias("2", m_sub.m_Q[0]); + + register_subalias("4", m_D[1]); + register_subalias("5", m_sub.m_Q[1]); + + register_subalias("6", m_D[2]); + register_subalias("7", m_sub.m_Q[2]); + + register_subalias("11", m_D[3]); + register_subalias("10", m_sub.m_Q[3]); + + register_subalias("13", m_D[4]); + register_subalias("12", m_sub.m_Q[4]); + + register_subalias("14", m_D[5]); + register_subalias("15", m_sub.m_Q[5]); + } + }; + + NETLIB_RESET(74174_sub) + { + m_CLK.set_state(logic_t::STATE_INP_LH); + m_clrq = 0; + m_data = 0xFF; + } + + NETLIB_UPDATE(74174_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(); + } + } + + NETLIB_UPDATE(74174) + { + uint_fast8_t d = 0; + for (std::size_t i=0; i<6; i++) + { + d |= (m_D[i]() << i); + } + m_sub.m_clrq = m_CLRQ(); + if (!m_sub.m_clrq) + { + for (std::size_t i=0; i<6; i++) + { + m_sub.m_Q[i].push(0, NLTIME_FROM_NS(40)); + } + m_sub.m_data = 0; + } else if (d != m_sub.m_data) + { + m_sub.m_data = d; + m_sub.m_CLK.activate_lh(); + } + } + + + NETLIB_RESET(74174) + { + //m_sub.do_reset(); + } + + NETLIB_DEVICE_IMPL(74174) + NETLIB_DEVICE_IMPL(74174_dip) + + } //namespace devices +} // namespace netlist |