diff options
author | 2016-12-13 19:42:42 +0100 | |
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committer | 2016-12-21 20:32:47 +0100 | |
commit | 19165cfbfd0a5df163101f95323a567d519ea90c (patch) | |
tree | 23cc56b8662854e3729337b3203ef944bea1d8a8 | |
parent | b64073e79564cda7072c7d9df7b8cad4013d1e71 (diff) |
netlist: Added 82S126 1K-bit bipolar PROM device. [Ryan Holtz]
-rw-r--r-- | scripts/src/netlist.lua | 2 | ||||
-rw-r--r-- | src/lib/netlist/build/makefile | 1 | ||||
-rw-r--r-- | src/lib/netlist/devices/net_lib.cpp | 2 | ||||
-rw-r--r-- | src/lib/netlist/devices/net_lib.h | 1 | ||||
-rw-r--r-- | src/lib/netlist/devices/nld_82S126.cpp | 85 | ||||
-rw-r--r-- | src/lib/netlist/devices/nld_82S126.h | 34 |
6 files changed, 125 insertions, 0 deletions
diff --git a/scripts/src/netlist.lua b/scripts/src/netlist.lua index 66c336a6dae..7a3bf069b84 100644 --- a/scripts/src/netlist.lua +++ b/scripts/src/netlist.lua @@ -129,6 +129,8 @@ project "netlist" MAME_DIR .. "src/lib/netlist/devices/nld_74ls629.h", MAME_DIR .. "src/lib/netlist/devices/nld_82S16.cpp", MAME_DIR .. "src/lib/netlist/devices/nld_82S16.h", + MAME_DIR .. "src/lib/netlist/devices/nld_82S126.cpp", + MAME_DIR .. "src/lib/netlist/devices/nld_82S126.h", MAME_DIR .. "src/lib/netlist/devices/nld_9310.cpp", MAME_DIR .. "src/lib/netlist/devices/nld_9310.h", MAME_DIR .. "src/lib/netlist/devices/nld_9312.cpp", diff --git a/src/lib/netlist/build/makefile b/src/lib/netlist/build/makefile index bbef3d58b97..f262f17fc1a 100644 --- a/src/lib/netlist/build/makefile +++ b/src/lib/netlist/build/makefile @@ -85,6 +85,7 @@ NLOBJS := \ $(NLOBJ)/devices/nld_74279.o \ $(NLOBJ)/devices/nld_74ls629.o \ $(NLOBJ)/devices/nld_82S16.o \ + $(NLOBJ)/devices/nld_82S126.o \ $(NLOBJ)/devices/nld_9310.o \ $(NLOBJ)/devices/nld_9312.o \ $(NLOBJ)/devices/nld_9316.o \ diff --git a/src/lib/netlist/devices/net_lib.cpp b/src/lib/netlist/devices/net_lib.cpp index a9f087c1002..02cfe14f692 100644 --- a/src/lib/netlist/devices/net_lib.cpp +++ b/src/lib/netlist/devices/net_lib.cpp @@ -126,6 +126,7 @@ static void initialize_factory(factory_list_t &factory) //ENTRY(74279, TTL_74279, "-") // only dip available ENTRYX(SN74LS629, SN74LS629, "CAP") ENTRYX(82S16, TTL_82S16, "-") + ENTRYX(82S126, TTL_82S126, "-") ENTRYX(9310, TTL_9310, "-") ENTRYX(9312, TTL_9312, "-") ENTRYX(9316, TTL_9316, "+CLK,ENP,ENT,CLRQ,LOADQ,A,B,C,D") @@ -154,6 +155,7 @@ static void initialize_factory(factory_list_t &factory) ENTRYX(74193_dip, TTL_74193_DIP, "-") ENTRYX(74279_dip, TTL_74279_DIP, "-") ENTRYX(82S16_dip, TTL_82S16_DIP, "-") + ENTRYX(82S126_dip, TTL_82S126_DIP, "-") ENTRYX(9602_dip, TTL_9602_DIP, "-") ENTRYX(9310_dip, TTL_9310_DIP, "-") ENTRYX(9312_dip, TTL_9312_DIP, "-") diff --git a/src/lib/netlist/devices/net_lib.h b/src/lib/netlist/devices/net_lib.h index b7248683f0a..02d36402d01 100644 --- a/src/lib/netlist/devices/net_lib.h +++ b/src/lib/netlist/devices/net_lib.h @@ -33,6 +33,7 @@ #include "nld_74279.h" #include "nld_74ls629.h" #include "nld_82S16.h" +#include "nld_82S126.h" #include "nld_9310.h" #include "nld_9312.h" #include "nld_9316.h" diff --git a/src/lib/netlist/devices/nld_82S126.cpp b/src/lib/netlist/devices/nld_82S126.cpp new file mode 100644 index 00000000000..ac9e51587ca --- /dev/null +++ b/src/lib/netlist/devices/nld_82S126.cpp @@ -0,0 +1,85 @@ +// license:BSD-3-Clause +// copyright-holders:Ryan Holtz +/* + * nld_82s126.cpp + * + */ + +#include "nld_82s126.h" + +namespace netlist +{ + namespace devices + { + NETLIB_OBJECT(82S126) + { + NETLIB_CONSTRUCTOR(82S126) + , m_A(*this, {{"A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7" }}) + , m_CE1Q(*this, "CE1Q") + , m_CE2Q(*this, "CE2Q") + , m_O(*this, {{"O1", "O2", "O3", "O4" }}) + , m_ROM(*this, "m_ROM", nullptr) + { + } + + NETLIB_UPDATEI(); + + protected: + object_array_t<logic_input_t, 8> m_A; + logic_input_t m_CE1Q; + logic_input_t m_CE2Q; + object_array_t<logic_output_t, 8> m_O; + + param_rom_t m_ROM; // 1024 bits, 32x32, used as 256x4 + }; + + NETLIB_OBJECT_DERIVED(82S126_dip, 82S126) + { + NETLIB_CONSTRUCTOR_DERIVED(82S126_dip, 82S126) + { + register_subalias("5", m_A[0]); + register_subalias("6", m_A[1]); + register_subalias("7", m_A[2]); + register_subalias("4", m_A[3]); + register_subalias("3", m_A[4]); + register_subalias("2", m_A[5]); + register_subalias("1", m_A[6]); + register_subalias("15", m_A[7]); + + register_subalias("13", m_CE1Q); + register_subalias("14", m_CE2Q); + + register_subalias("12", m_O[0]); + register_subalias("11", m_O[1]); + register_subalias("10", m_O[2]); + register_subalias("9", m_O[3]); + } + }; + + // FIXME: timing! + NETLIB_UPDATE(82S126) + { + unsigned o = 0xf; + + netlist_time delay = NLTIME_FROM_NS(25); + if (m_CE1Q() && m_CE1Q()) + { + unsigned a = 0; + for (std::size_t i=0; i<8; i++) + a |= (m_A[i]() << i); + + o = m_ROM()[a]; + + delay = NLTIME_FROM_NS(50); + } + + // FIXME: Outputs are tristate. This needs to be properly implemented + for (std::size_t i=0; i<4; i++) + m_O[i].push((o >> i) & 1, delay); + } + + NETLIB_DEVICE_IMPL(82S126) + NETLIB_DEVICE_IMPL(82S126_dip) + + } //namespace devices +} // namespace netlist diff --git a/src/lib/netlist/devices/nld_82S126.h b/src/lib/netlist/devices/nld_82S126.h new file mode 100644 index 00000000000..3ecfd985faf --- /dev/null +++ b/src/lib/netlist/devices/nld_82S126.h @@ -0,0 +1,34 @@ +// license:BSD-3-Clause +// copyright-holders:Ryan Holtz +/* + * nld_82S126.h + * + * 82S126: 1K-bit TTL bipolar PROM + * + * +--------------+ + * A6 |1 ++ 16| VCC + * A5 |2 15| Q7 + * A4 |3 14| CE2Q + * A3 |4 82S126 13| CE1Q + * A0 |5 12| O1 + * A1 |6 11| O2 + * A2 |7 10| O3 + * GND |8 9| O4 + * +--------------+ + * + * + * Naming conventions follow Signetics datasheet + * + */ + +#ifndef NLD_82S126_H_ +#define NLD_82S126_H_ + +#include "nl_setup.h" + +#define TTL_82S126(name) \ + NET_REGISTER_DEV(TTL_82S126, name) +#define TTL_82S126_DIP(name) \ + NET_REGISTER_DEV(TTL_82S126_DIP, name) + +#endif /* NLD_82S126_H_ */ |