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// license:GPL-2.0+
// copyright-holders:Dirk Best
/***************************************************************************
ACT Apricot Keyboard Interface
Host interface: 9-pin D-SUB
1 +12V
2 OUT
3 IN
4 N/C
5 N/C
6 GND
7 -12V
8 0V
9 N/C
Keyboard interface:
A 0V
B +12V
C -12V
D N/C
E OUT
F IN
***************************************************************************/
#ifndef MAME_BUS_APRICOT_KEYBOARD_KEYBOARD_H
#define MAME_BUS_APRICOT_KEYBOARD_KEYBOARD_H
#pragma once
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class device_apricot_keyboard_interface;
// ======================> apricot_keyboard_bus_device
class apricot_keyboard_bus_device : public device_t, public device_single_card_slot_interface<device_apricot_keyboard_interface>
{
public:
// construction/destruction
template <typename T>
apricot_keyboard_bus_device(const machine_config &mconfig, const char *tag, device_t *owner, T &&opts, const char *dflt)
: apricot_keyboard_bus_device(mconfig, tag, owner, 0)
{
option_reset();
opts(*this);
set_default_option(dflt);
set_fixed(false);
}
apricot_keyboard_bus_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual ~apricot_keyboard_bus_device();
// callbacks
auto in_handler() { return m_in_handler.bind(); }
// called from keyboard
DECLARE_WRITE_LINE_MEMBER( in_w ) { m_in_handler(state); }
// called from host
DECLARE_WRITE_LINE_MEMBER( out_w );
protected:
// device-level overrides
virtual void device_start() override;
private:
device_apricot_keyboard_interface *m_kbd;
devcb_write_line m_in_handler;
};
// ======================> device_apricot_keyboard_interface
class device_apricot_keyboard_interface : public device_interface
{
public:
// construction/destruction
virtual ~device_apricot_keyboard_interface();
virtual void out_w(int state) = 0;
protected:
device_apricot_keyboard_interface(const machine_config &mconfig, device_t &device);
apricot_keyboard_bus_device *m_host;
};
// device type definition
DECLARE_DEVICE_TYPE(APRICOT_KEYBOARD_INTERFACE, apricot_keyboard_bus_device)
// supported devices
void apricot_keyboard_devices(device_slot_interface &device);
#endif // MAME_BUS_APRICOT_KEYBOARD_KEYBOARD_H
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