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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Fairchild DM9368 7-Segment Decoder/Driver/Latch emulation
**********************************************************************
_____ _____
A1 1 |* \_/ | 16 Vcc
A2 2 | | 15 F
_LE 3 | | 14 G
_RBO 4 | DM9368 | 13 A
_RBI 5 | | 12 B
A3 6 | | 11 C
A0 7 | | 10 D
GND 8 |_____________| 9 E
**********************************************************************/
#ifndef MAME_VIDEO_DM9368_H
#define MAME_VIDEO_DM9368_H
#pragma once
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> dm9368_device
class dm9368_device : public device_t
{
public:
auto update_cb() { return m_update_cb.bind(); }
auto rbo_cb() { return m_rbo_cb.bind(); }
// construction/destruction
dm9368_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
void a_w(u8 data);
void rbi_w(int state) { m_rbi = state; }
int rbo_r() { return m_rbo; }
protected:
// device-level overrides
virtual void device_resolve_objects() override;
virtual void device_start() override;
void update();
private:
devcb_write8 m_update_cb;
devcb_write_line m_rbo_cb;
int m_rbi;
int m_rbo;
static const u8 s_segment_data[16];
};
// device type definition
DECLARE_DEVICE_TYPE(DM9368, dm9368_device)
#endif // MAME_VIDEO_DM9368_H
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