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Diffstat (limited to 'src/lib/netlist/devices/nld_74174.cpp')
-rw-r--r--src/lib/netlist/devices/nld_74174.cpp140
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