mirror of
https://github.com/holub/mame
synced 2025-05-30 01:23:07 +03:00
d0270fa161
CMOS 40xx and 4316 power pins fixed. Also fixed gcc-9 error. clang++ complains about unreachable code in nl_base.cpp line 480 even if double parantheses are used. Assigning the define to a local variable and testing this local variable works. Weird.
122 lines
2.8 KiB
C++
122 lines
2.8 KiB
C++
// license:GPL-2.0+
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// copyright-holders:Couriersud
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/*
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* nld_4020.c
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*
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*/
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//#include "nlid_cmos.h"
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#include "nld_4020.h"
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#include "nlid_system.h"
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namespace netlist
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{
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namespace devices
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{
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NETLIB_OBJECT(CD4020_sub)
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{
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NETLIB_CONSTRUCTOR(CD4020_sub)
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NETLIB_FAMILY("CD4XXX")
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, m_IP(*this, "IP")
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, m_Q(*this, {{"Q1", "_Q2", "_Q3", "Q4", "Q5", "Q6", "Q7", "Q8", "Q9",
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"Q10", "Q11", "Q12", "Q13", "Q14"}})
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, m_cnt(*this, "m_cnt", 0)
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, m_supply(*this, "VDD", "VSS")
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{
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}
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NETLIB_RESETI()
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{
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m_IP.set_state(logic_t::STATE_INP_HL);
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m_cnt = 0;
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}
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NETLIB_UPDATEI();
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public:
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void update_outputs(const unsigned cnt);
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logic_input_t m_IP;
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object_array_t<logic_output_t, 14> m_Q;
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state_var<unsigned> m_cnt;
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nld_power_pins m_supply;
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};
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NETLIB_OBJECT(CD4020)
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{
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NETLIB_CONSTRUCTOR(CD4020)
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NETLIB_FAMILY("CD4XXX")
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, m_sub(*this, "sub")
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, m_RESET(*this, "RESET")
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{
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register_subalias("IP", m_sub.m_IP);
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register_subalias("Q1", m_sub.m_Q[0]);
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register_subalias("Q4", m_sub.m_Q[3]);
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register_subalias("Q5", m_sub.m_Q[4]);
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register_subalias("Q6", m_sub.m_Q[5]);
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register_subalias("Q7", m_sub.m_Q[6]);
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register_subalias("Q8", m_sub.m_Q[7]);
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register_subalias("Q9", m_sub.m_Q[8]);
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register_subalias("Q10", m_sub.m_Q[9]);
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register_subalias("Q11", m_sub.m_Q[10]);
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register_subalias("Q12", m_sub.m_Q[11]);
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register_subalias("Q13", m_sub.m_Q[12]);
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register_subalias("Q14", m_sub.m_Q[13]);
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register_subalias("VDD", "sub.VDD");
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register_subalias("VSS", "sub.VSS");
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}
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NETLIB_RESETI() { }
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NETLIB_UPDATEI();
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private:
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NETLIB_SUB(CD4020_sub) m_sub;
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logic_input_t m_RESET;
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};
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NETLIB_UPDATE(CD4020_sub)
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{
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++m_cnt;
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m_cnt &= 0x3fff;
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update_outputs(m_cnt);
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}
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NETLIB_UPDATE(CD4020)
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{
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if (m_RESET())
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{
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m_sub.m_cnt = 0;
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m_sub.m_IP.inactivate();
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/* static */ const netlist_time reset_time = netlist_time::from_nsec(140);
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m_sub.m_Q[0].push(0, reset_time);
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for (std::size_t i=3; i<14; i++)
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m_sub.m_Q[i].push(0, reset_time);
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}
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else
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m_sub.m_IP.activate_hl();
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}
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NETLIB_FUNC_VOID(CD4020_sub, update_outputs, (const unsigned cnt))
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{
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static constexpr const std::array<netlist_time, 14> out_delayQn = {
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NLTIME_FROM_NS(180), NLTIME_FROM_NS(280),
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NLTIME_FROM_NS(380), NLTIME_FROM_NS(480),
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NLTIME_FROM_NS(580), NLTIME_FROM_NS(680),
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NLTIME_FROM_NS(780), NLTIME_FROM_NS(880),
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NLTIME_FROM_NS(980), NLTIME_FROM_NS(1080),
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NLTIME_FROM_NS(1180), NLTIME_FROM_NS(1280),
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NLTIME_FROM_NS(1380), NLTIME_FROM_NS(1480),
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};
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m_Q[0].push(cnt & 1, out_delayQn[0]);
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for (std::size_t i=3; i<14; i++)
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m_Q[i].push((cnt >> i) & 1, out_delayQn[i]);
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}
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NETLIB_DEVICE_IMPL(CD4020, "CD4020", "")
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NETLIB_DEVICE_IMPL_ALIAS(CD4020_WI, CD4020, "CD4020_WI", "+IP,+RESET,+VDD,+VSS")
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} //namespace devices
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} // namespace netlist
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