diff options
Diffstat (limited to 'src/lib/netlist/devices/nld_82S115.cpp')
-rw-r--r-- | src/lib/netlist/devices/nld_82S115.cpp | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/src/lib/netlist/devices/nld_82S115.cpp b/src/lib/netlist/devices/nld_82S115.cpp deleted file mode 100644 index 85ba43fa1e6..00000000000 --- a/src/lib/netlist/devices/nld_82S115.cpp +++ /dev/null @@ -1,119 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Ryan Holtz -/* - * nld_82S115.cpp - * - */ - -#include "nld_82S115.h" -#include "netlist/nl_base.h" -#include "nlid_system.h" - -namespace netlist -{ - namespace devices - { - NETLIB_OBJECT(82S115) - { - NETLIB_CONSTRUCTOR(82S115) - , m_A(*this, {{"A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", "A8"}}) - , m_CE1Q(*this, "CE1Q") - , m_CE2(*this, "CE2") - , m_STROBE(*this, "STROBE") - , m_O(*this, {{"O1", "O2", "O3", "O4", "O5", "O6", "O7", "O8"}}) - , m_last_O(*this, "m_last_O", 0) - , m_ROM(*this, "ROM") - , m_power_pins(*this) - { - } - - NETLIB_RESETI(); - NETLIB_UPDATEI(); - - protected: - object_array_t<logic_input_t, 9> m_A; - logic_input_t m_CE1Q; - logic_input_t m_CE2; - logic_input_t m_STROBE; - object_array_t<logic_output_t, 8> m_O; - - state_var<unsigned> m_last_O; - - param_rom_t<uint8_t, 9, 8> m_ROM; // 4096 bits, 512x8 - nld_power_pins m_power_pins; - }; - - NETLIB_OBJECT_DERIVED(82S115_dip, 82S115) - { - NETLIB_CONSTRUCTOR_DERIVED(82S115_dip, 82S115) - { - register_subalias("21", m_A[0]); - register_subalias("22", m_A[1]); - register_subalias("23", m_A[2]); - register_subalias("1", m_A[3]); - register_subalias("2", m_A[4]); - register_subalias("3", m_A[5]); - register_subalias("4", m_A[6]); - register_subalias("5", m_A[7]); - register_subalias("6", m_A[8]); - - register_subalias("20", m_CE1Q); - register_subalias("19", m_CE2); - - // register_subalias("13", m_FE1); - // register_subalias("11", m_FE2); - - register_subalias("18", m_STROBE); - - register_subalias("7", m_O[0]); - register_subalias("8", m_O[1]); - register_subalias("9", m_O[2]); - register_subalias("10", m_O[3]); - register_subalias("14", m_O[4]); - register_subalias("15", m_O[5]); - register_subalias("16", m_O[6]); - register_subalias("17", m_O[7]); - - register_subalias("12", "GND"); - register_subalias("24", "VCC"); - } - }; - - NETLIB_RESET(82S115) - { - m_last_O = 0; - } - - // FIXME: timing! - NETLIB_UPDATE(82S115) - { - unsigned o = 0; - - if (!m_CE1Q() && m_CE2()) - { - if (m_STROBE()) - { - unsigned a = 0; - for (std::size_t i=0; i<9; i++) - a |= (m_A[i]() << i); - - o = m_ROM[a]; - } - else - { - o = m_last_O; - } - } - - m_last_O = o; - - // 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, NLTIME_FROM_NS(40)); // FIXME: Timing - } - - NETLIB_DEVICE_IMPL(82S115, "PROM_82S115", "+CE1Q,+CE2,+A0,+A1,+A2,+A3,+A4,+A5,+A6,+A7,+A8,+STROBE,@VCC,@GND") - NETLIB_DEVICE_IMPL(82S115_dip, "PROM_82S115_DIP", "") - - } //namespace devices -} // namespace netlist |