mirror of
https://github.com/holub/mame
synced 2025-05-31 01:51:46 +03:00
107 lines
2.5 KiB
C++
107 lines
2.5 KiB
C++
// license:GPL-2.0+
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// copyright-holders:Couriersud
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#include "nlm_ttl74xx.h"
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#include "devices/nld_truthtable.h"
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#include "devices/nld_system.h"
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/*
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* DM7416: Hex Inverting Buffers with
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* High Voltage Open-Collector Outputs
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*
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*/
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NETLIST_START(TTL_7416_DIP)
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TTL_7416_GATE(s1)
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TTL_7416_GATE(s2)
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TTL_7416_GATE(s3)
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TTL_7416_GATE(s4)
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TTL_7416_GATE(s5)
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TTL_7416_GATE(s6)
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DUMMY_INPUT(GND)
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DUMMY_INPUT(VCC)
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DIPPINS( /* +--------------+ */
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s1.A, /* A1 |1 ++ 14| VCC */ VCC.I,
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s1.Q, /* Y1 |2 13| A6 */ s6.A,
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s2.A, /* A2 |3 12| Y6 */ s6.Q,
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s2.Q, /* Y2 |4 7416 11| A5 */ s5.A,
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s3.A, /* A3 |5 10| Y5 */ s5.Q,
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s3.Q, /* Y3 |6 9| A4 */ s4.A,
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GND.I, /* GND |7 8| Y4 */ s4.Q
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/* +--------------+ */
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)
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NETLIST_END()
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/*
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* DM7400: Quad 2-Input NAND Gates
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*
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* __
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* Y = AB
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* +---+---++---+
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* | A | B || Y |
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* +===+===++===+
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* | 0 | 0 || 1 |
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* | 0 | 1 || 1 |
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* | 1 | 0 || 1 |
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* | 1 | 1 || 0 |
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* +---+---++---+
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*
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* Naming conventions follow National Semiconductor datasheet
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*
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*/
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NETLIST_START(TTL_7400_DIP)
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TTL_7400_GATE(s1)
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TTL_7400_GATE(s2)
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TTL_7400_GATE(s3)
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TTL_7400_GATE(s4)
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DUMMY_INPUT(GND)
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DUMMY_INPUT(VCC)
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DIPPINS( /* +--------------+ */
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s1.A, /* A1 |1 ++ 14| VCC */ VCC.I,
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s1.B, /* B1 |2 13| B4 */ s4.B,
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s1.Q, /* Y1 |3 12| A4 */ s4.A,
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s2.A, /* A2 |4 7400 11| Y4 */ s4.Q,
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s2.B, /* B2 |5 10| B3 */ s3.B,
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s2.Q, /* Y2 |6 9| A3 */ s3.A,
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GND.I, /* GND |7 8| Y3 */ s3.Q
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/* +--------------+ */
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)
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NETLIST_END()
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NETLIST_START(TTL74XX_lib)
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TRUTHTABLE_START(TTL_7400_GATE, 2, 1, 0, "")
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TT_HEAD("A,B|Q ")
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TT_LINE("0,X|1|22")
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TT_LINE("X,0|1|22")
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TT_LINE("1,1|0|15")
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/* Open Collector */
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TT_FAMILY("74XX")
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TRUTHTABLE_END()
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TRUTHTABLE_START(TTL_7400_NAND, 2, 1, 0, "A,B")
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TT_HEAD("A,B|Q ")
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TT_LINE("0,X|1|22")
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TT_LINE("X,0|1|22")
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TT_LINE("1,1|0|15")
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/* Open Collector */
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TT_FAMILY("74XX")
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TRUTHTABLE_END()
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TRUTHTABLE_START(TTL_7416_GATE, 1, 1, 0, "")
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TT_HEAD(" A | Q ")
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TT_LINE(" 0 | 1 |15")
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TT_LINE(" 1 | 0 |23")
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/* Open Collector */
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TT_FAMILY("74XXOC")
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TRUTHTABLE_END()
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LOCAL_LIB_ENTRY(TTL_7416_DIP)
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LOCAL_LIB_ENTRY(TTL_7400_DIP)
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NETLIST_END()
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