mirror of
https://github.com/holub/mame
synced 2025-04-19 07:00:31 +03:00
3d3f5761f0
- Reworked twoterm setup. Fixed some timebombs along the way. - Fix r2r dac. Remove dead code. - analog_outputs now created in constructor. - moved analog_input creation into constructor. - moved logic output creation to constructor. - moved all logic inputs into constructor. - Completely removed init_object. Finally. [Couriersud]
104 lines
1.8 KiB
C++
104 lines
1.8 KiB
C++
// license:GPL-2.0+
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// copyright-holders:Couriersud
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/*
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* nld_7450.c
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*
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*/
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#include "nld_7450.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(7450)
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{
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NETLIB_CONSTRUCTOR(7450)
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, m_A(*this, "A")
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, m_B(*this, "B")
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, m_C(*this, "C")
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, m_D(*this, "D")
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, m_Q(*this, "Q")
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{
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}
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//NETLIB_RESETI();
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NETLIB_UPDATEI();
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public:
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logic_input_t m_A;
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logic_input_t m_B;
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logic_input_t m_C;
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logic_input_t m_D;
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logic_output_t m_Q;
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};
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NETLIB_OBJECT(7450_dip)
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{
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NETLIB_CONSTRUCTOR(7450_dip)
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, m_1(*this, "1")
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, m_2(*this, "2")
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{
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register_subalias("1", m_1.m_A);
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register_subalias("2", m_2.m_A);
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register_subalias("3", m_2.m_B);
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register_subalias("4", m_2.m_C);
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register_subalias("5", m_2.m_D);
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register_subalias("6", m_2.m_Q);
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//register_subalias("7",); GND
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register_subalias("8", m_1.m_Q);
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register_subalias("9", m_1.m_C);
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register_subalias("10", m_1.m_D);
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//register_subalias("11", m_1.m_X1);
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//register_subalias("12", m_1.m_X1Q);
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register_subalias("13", m_1.m_B);
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//register_subalias("14",); VCC
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}
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//NETLIB_RESETI();
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//NETLIB_UPDATEI();
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NETLIB_SUB(7450) m_1;
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NETLIB_SUB(7450) m_2;
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};
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NETLIB_UPDATE(7450)
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{
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m_A.activate();
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m_B.activate();
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m_C.activate();
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m_D.activate();
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UINT8 t1 = INPLOGIC(m_A) & INPLOGIC(m_B);
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UINT8 t2 = INPLOGIC(m_C) & INPLOGIC(m_D);
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const netlist_time times[2] = { NLTIME_FROM_NS(22), NLTIME_FROM_NS(15) };
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UINT8 res = 0;
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if (t1 ^ 1)
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{
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if (t2 ^ 1)
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{
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res = 1;
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}
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else
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{
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m_A.inactivate();
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m_B.inactivate();
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}
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} else {
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if (t2 ^ 1)
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{
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m_C.inactivate();
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m_D.inactivate();
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}
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}
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OUTLOGIC(m_Q, res, times[1 - res]);// ? 22000 : 15000);
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}
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NETLIB_DEVICE_IMPL(7450)
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NETLIB_DEVICE_IMPL(7450_dip)
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} //namespace devices
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} // namespace netlist
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