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https://github.com/holub/mame
synced 2025-04-23 00:39:36 +03:00
-netlist: Added 2716 16 Kbit (2 Kbit x 8) UV EPROM. [Ryan Holtz]
This commit is contained in:
therealmogminer@gmail.com
parent
32d0f10418
commit
e3e38025c3
@ -91,6 +91,8 @@ project "netlist"
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MAME_DIR .. "src/lib/netlist/solver/nld_ms_w.h",
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MAME_DIR .. "src/lib/netlist/solver/nld_ms_direct_lu.h",
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MAME_DIR .. "src/lib/netlist/solver/vector_base.h",
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MAME_DIR .. "src/lib/netlist/devices/nld_2716.cpp",
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MAME_DIR .. "src/lib/netlist/devices/nld_2716.h",
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MAME_DIR .. "src/lib/netlist/devices/nld_4020.cpp",
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MAME_DIR .. "src/lib/netlist/devices/nld_4020.h",
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MAME_DIR .. "src/lib/netlist/devices/nld_4066.cpp",
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@ -66,6 +66,7 @@ NLOBJS := \
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$(NLOBJ)/analog/nld_switches.o \
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$(NLOBJ)/analog/nld_twoterm.o \
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$(NLOBJ)/analog/nld_opamps.o \
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$(NLOBJ)/devices/nld_2716.o \
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$(NLOBJ)/devices/nld_4020.o \
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$(NLOBJ)/devices/nld_4066.o \
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$(NLOBJ)/devices/nld_7448.o \
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@ -105,7 +105,8 @@ static void initialize_factory(factory_list_t &factory)
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ENTRY(switch1, SWITCH, "-")
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ENTRY(switch2, SWITCH2, "-")
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ENTRYX(nicRSFF, NETDEV_RSFF, "+S,R")
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ENTRYX(nicDelay, NETDEV_DELAY, "-")
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ENTRYX(nicDelay, NETDEV_DELAY, "-")
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ENTRYX(2716, EPROM_2716, "-")
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ENTRYX(7450, TTL_7450_ANDORINVERT, "+A,B,C,D")
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ENTRYX(7448, TTL_7448, "+A,B,C,D,LTQ,BIQ,RBIQ")
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ENTRYX(7473, TTL_7473, "+CLK1,J1,K1,CLRQ1,CLK2,J2,K2,CLRQ2")
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@ -139,6 +140,7 @@ static void initialize_factory(factory_list_t &factory)
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//ENTRY(4066, CD_4066, "+A,B")
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ENTRYX(NE555, NE555, "-")
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ENTRYX(r2r_dac, R2R_DAC, "+VIN,R,N")
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ENTRYX(2716_dip, EPROM_2716_DIP, "-")
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ENTRYX(4538_dip, CD4538_DIP, "-")
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ENTRYX(7448_dip, TTL_7448_DIP, "-")
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ENTRYX(7450_dip, TTL_7450_DIP, "-")
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@ -14,6 +14,7 @@
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#include "nl_base.h"
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#include "nld_system.h"
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#include "nld_2716.h"
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#include "nld_4020.h"
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#include "nld_4066.h"
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#include "nld_7448.h"
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98
src/lib/netlist/devices/nld_2716.cpp
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98
src/lib/netlist/devices/nld_2716.cpp
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@ -0,0 +1,98 @@
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// license:BSD-3-Clause
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// copyright-holders:Ryan Holtz
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/*
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* nld_2716.cpp
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*
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*/
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#include "nld_2716.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(2716)
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{
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NETLIB_CONSTRUCTOR(2716)
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, m_A(*this, {{ "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", "A8", "A9", "A10" }})
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, m_GQ(*this, "GQ")
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, m_EPQ(*this, "EPQ")
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, m_Q(*this, {{ "Q0", "Q1", "Q2", "Q3", "Q4", "Q5", "Q6", "Q7" }})
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, m_last_EPQ(*this, "m_last_EPQ", 1)
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, m_ROM(*this, "m_ROM", nullptr)
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{
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}
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NETLIB_UPDATEI();
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protected:
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object_array_t<logic_input_t, 11> m_A;
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logic_input_t m_GQ;
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logic_input_t m_EPQ;
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object_array_t<logic_output_t, 8> m_Q;
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state_var<unsigned> m_last_EPQ;
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param_rom_t m_ROM; // 16 Kbits, used as 2 Kbit x 8
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};
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NETLIB_OBJECT_DERIVED(2716_dip, 2716)
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{
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NETLIB_CONSTRUCTOR_DERIVED(2716_dip, 2716)
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{
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register_subalias("8", m_A[0]);
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register_subalias("7", m_A[1]);
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register_subalias("6", m_A[2]);
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register_subalias("5", m_A[3]);
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register_subalias("4", m_A[4]);
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register_subalias("3", m_A[5]);
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register_subalias("2", m_A[6]);
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register_subalias("1", m_A[7]);
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register_subalias("23", m_A[8]);
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register_subalias("22", m_A[9]);
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register_subalias("19", m_A[10]);
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register_subalias("20", m_GQ);
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register_subalias("18", m_EPQ);
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register_subalias("9", m_Q[0]);
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register_subalias("10", m_Q[1]);
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register_subalias("11", m_Q[2]);
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register_subalias("13", m_Q[3]);
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register_subalias("14", m_Q[4]);
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register_subalias("15", m_Q[5]);
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register_subalias("16", m_Q[6]);
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register_subalias("17", m_Q[7]);
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}
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};
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// FIXME: timing!
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NETLIB_UPDATE(2716)
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{
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unsigned q = 0xff;
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netlist_time delay = NLTIME_FROM_NS(450);
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if (!m_GQ() && !m_EPQ())
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{
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unsigned a = 0;
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for (std::size_t i=0; i<11; i++)
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a |= (m_A[i]() << i);
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q = m_ROM()[a];
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if (m_last_EPQ)
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delay = NLTIME_FROM_NS(120);
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}
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m_last_EPQ = m_EPQ();
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// FIXME: Outputs are tristate. This needs to be properly implemented
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for (std::size_t i=0; i<8; i++)
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m_Q[i].push((q >> i) & 1, delay);
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}
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NETLIB_DEVICE_IMPL(2716)
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NETLIB_DEVICE_IMPL(2716_dip)
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} //namespace devices
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} // namespace netlist
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38
src/lib/netlist/devices/nld_2716.h
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38
src/lib/netlist/devices/nld_2716.h
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@ -0,0 +1,38 @@
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// license:BSD-3-Clause
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// copyright-holders:Ryan Holtz
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/*
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* nld_82S126.h
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*
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* 2716: 16 Kbit (2Kb x 8) UV EPROM
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*
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* +----------------+
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* A7 |1 ++ 24| VCC
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* A6 |2 23| A8
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* A5 |3 22| A9
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* A4 |4 2716 21| VPP
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* A3 |5 20| GQ
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* A2 |6 19| A10
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* A1 |7 18| EPQ
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* A0 |8 17| Q7
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* Q0 |9 16| Q6
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* Q1 |10 15| Q5
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* Q2 |11 14| Q4
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* VSS |12 13| Q3
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* +----------------+
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*
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*
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* Naming conventions follow STMicro datasheet
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*
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*/
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#ifndef NLD_2716_H_
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#define NLD_2716_H_
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#include "nl_setup.h"
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#define TTL_2716(name) \
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NET_REGISTER_DEV(TTL_2716, name)
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#define TTL_2716_DIP(name) \
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NET_REGISTER_DEV(TTL_2716_DIP, name)
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#endif /* NLD_2716_H_ */
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