diff options
Diffstat (limited to 'src/lib/netlist/devices/nld_82S123.cpp')
-rw-r--r-- | src/lib/netlist/devices/nld_82S123.cpp | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/src/lib/netlist/devices/nld_82S123.cpp b/src/lib/netlist/devices/nld_82S123.cpp deleted file mode 100644 index d20b3a7147d..00000000000 --- a/src/lib/netlist/devices/nld_82S123.cpp +++ /dev/null @@ -1,88 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Ryan Holtz -/* - * nld_82S123.cpp - * - */ - -#include "nld_82S123.h" -#include "netlist/nl_base.h" -#include "nlid_system.h" - -namespace netlist -{ - namespace devices - { - NETLIB_OBJECT(82S123) - { - NETLIB_CONSTRUCTOR(82S123) - , m_A(*this, {{"A0", "A1", "A2", "A3", "A4"}}) - , m_CEQ(*this, "CEQ") - , m_O(*this, {{"O1", "O2", "O3", "O4", "O5", "O6", "O7", "O8"}}) - , m_ROM(*this, "ROM") - , m_power_pins(*this) - { - } - - NETLIB_UPDATEI(); - - protected: - object_array_t<logic_input_t, 5> m_A; - logic_input_t m_CEQ; - object_array_t<logic_output_t, 8> m_O; - - param_rom_t<uint8_t, 5, 8> m_ROM; // 256 bits, 32x8 - nld_power_pins m_power_pins; - }; - - NETLIB_OBJECT_DERIVED(82S123_dip, 82S123) - { - NETLIB_CONSTRUCTOR_DERIVED(82S123_dip, 82S123) - { - register_subalias("1", m_O[0]); - register_subalias("2", m_O[1]); - register_subalias("3", m_O[2]); - register_subalias("4", m_O[3]); - register_subalias("5", m_O[4]); - register_subalias("6", m_O[5]); - register_subalias("7", m_O[6]); - register_subalias("8", "GND"); - - register_subalias("9", m_O[7]); - register_subalias("10", m_A[0]); - register_subalias("11", m_A[1]); - register_subalias("12", m_A[2]); - register_subalias("13", m_A[3]); - register_subalias("14", m_A[4]); - register_subalias("15", m_CEQ); - register_subalias("16", "VCC"); - } - }; - - // FIXME: timing! - NETLIB_UPDATE(82S123) - { - unsigned o = 0xff; - - netlist_time delay = NLTIME_FROM_NS(35); - if (!m_CEQ()) - { - unsigned a = 0; - for (std::size_t i=0; i<5; 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<8; i++) - m_O[i].push((o >> i) & 1, delay); - } - - NETLIB_DEVICE_IMPL(82S123, "PROM_82S123", "+CEQ,+A0,+A1,+A2,+A3,+A4,@VCC,@GND") - NETLIB_DEVICE_IMPL(82S123_dip, "PROM_82S123_DIP", "") - - } //namespace devices -} // namespace netlist |