diff options
Diffstat (limited to 'src/lib/netlist/devices/nld_82S126.cpp')
-rw-r--r-- | src/lib/netlist/devices/nld_82S126.cpp | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/src/lib/netlist/devices/nld_82S126.cpp b/src/lib/netlist/devices/nld_82S126.cpp deleted file mode 100644 index 9ce6697c82e..00000000000 --- a/src/lib/netlist/devices/nld_82S126.cpp +++ /dev/null @@ -1,92 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Ryan Holtz -/* - * nld_82S126.cpp - * - */ - -#include "nld_82S126.h" -#include "netlist/nl_base.h" -#include "nlid_system.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, "ROM") - , m_power_pins(*this) - { - } - - 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, 4> m_O; - - param_rom_t<uint8_t, 8, 4> m_ROM; // 1024 bits, 32x32, used as 256x4 - nld_power_pins m_power_pins; - }; - - 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]); - - register_subalias("8", "GND"); - register_subalias("16", "VCC"); - } - }; - - // FIXME: timing! - NETLIB_UPDATE(82S126) - { - unsigned o = 0xf; - - netlist_time delay = NLTIME_FROM_NS(25); - if (!m_CE1Q() && !m_CE2Q()) - { - 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, "PROM_82S126", "+CE1Q,+CE2Q,+A0,+A1,+A2,+A3,+A4,+A5,+A6,+A7,@VCC,@GND") - NETLIB_DEVICE_IMPL(82S126_dip, "PROM_82S126_DIP", "") - - } //namespace devices -} // namespace netlist |