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// license:GPL-2.0+
// copyright-holders:Couriersud
/*
* nld_7448.h
*
* DM7448: BCD to 7-Segment decoders/drivers
*
* +--------------+
* B |1 ++ 16| VCC
* C |2 15| f
* LAMP TEST |3 14| g
* BI/RBQ |4 7448 13| a
* RBI |5 12| b
* D |6 11| c
* A |7 10| d
* GND |8 9| e
* +--------------+
*
*
* Naming conventions follow National Semiconductor datasheet
*
*/
#ifndef NLD_7448_H_
#define NLD_7448_H_
#include "../nl_base.h"
#define TTL_7448(_name, _A0, _A1, _A2, _A3, _LTQ, _BIQ, _RBIQ) \
NET_REGISTER_DEV(7448, _name) \
NET_CONNECT(_name, A, _A0) \
NET_CONNECT(_name, B, _A1) \
NET_CONNECT(_name, C, _A2) \
NET_CONNECT(_name, D, _A3) \
NET_CONNECT(_name, LTQ, _LTQ) \
NET_CONNECT(_name, BIQ, _BIQ) \
NET_CONNECT(_name, RBIQ, _RBIQ)
#define TTL_7448_DIP(_name) \
NET_REGISTER_DEV(7448_dip, _name)
NETLIB_SUBDEVICE(7448_sub,
ATTR_HOT void update_outputs(UINT8 v);
static const UINT8 tab7448[16][7];
netlist_ttl_input_t m_A;
netlist_ttl_input_t m_B;
netlist_ttl_input_t m_C;
netlist_ttl_input_t m_D;
netlist_ttl_input_t m_RBIQ;
UINT8 m_state;
netlist_ttl_output_t m_a;
netlist_ttl_output_t m_b;
netlist_ttl_output_t m_c;
netlist_ttl_output_t m_d;
netlist_ttl_output_t m_e;
netlist_ttl_output_t m_f;
netlist_ttl_output_t m_g;
);
NETLIB_DEVICE(7448,
public:
NETLIB_NAME(7448_sub) sub;
netlist_ttl_input_t m_LTQ;
netlist_ttl_input_t m_BIQ;
);
NETLIB_DEVICE_DERIVED(7448_dip, 7448,
);
#endif /* NLD_7448_H_ */
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