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// license:BSD-3-Clause
// copyright-holders:Marko Solajic, Miodrag Milanovic
/*********************************************************************
TIM-011 Expansion Port emulation
**********************************************************************
Pinout:
TIM011 Expansion Connector
40 pin male, on main board
*******
VCC 1 * . . * 2 VCC
GND 3 * . . * 4 GND
/RD 5 * . . * 6 PHI
/WR 7 * . . * 8 /RESET
E 9 * . . * 10 /LIR
/NMI 11 * . . * 12 /EXPSEL (E0-FF)
/WAIT 13 * . . * 14 NC
/INT0 15 * . . * 16 /HALT
ST 17 . . * 18 NC
A0 19 . . * 20 A1
/TEND0 21 . . * 22 A2
A3 23 * . . * 24 A4
/DREQ0 25 * . . * 26 /IOE
8MHZ 27 * . . * 28 RESET
D7 29 * . . * 30 D6
D5 31 * . . * 32 D3
D4 33 * . . * 34 D2
D1 35 * . . * 36 D0
GND 37 * . . * 38 GND
NC 39 * . . * 40 NC
*******
**********************************************************************/
#ifndef MAME_BUS_TIM011_EXP_H
#define MAME_BUS_TIM011_EXP_H
#pragma once
namespace bus::tim011 {
class device_exp_interface;
class exp_slot_device : public device_t, public device_single_card_slot_interface<device_exp_interface>
{
public:
// construction/destruction
template <typename T>
exp_slot_device(machine_config const &mconfig, char const *tag, device_t *owner, T &&slot_options, const char *default_option)
: exp_slot_device(mconfig, tag, owner)
{
set_options(std::forward<T>(slot_options), default_option, false);
}
exp_slot_device(machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock = 0);
template <typename T> void set_io_space(T &&tag, int spacenum) { m_io.set_tag(std::forward<T>(tag), spacenum); }
// callbacks
auto int_handler() { return m_int_handler.bind(); }
auto nmi_handler() { return m_nmi_handler.bind(); }
// called from expansion device
void int_w(int state) { m_int_handler(state); }
void nmi_w(int state) { m_nmi_handler(state); }
required_address_space m_io;
protected:
// device_t implementation
virtual void device_start() override ATTR_COLD;
private:
devcb_write_line m_int_handler;
devcb_write_line m_nmi_handler;
};
// ======================> device_exp_interface
class device_exp_interface : public device_interface
{
protected:
// construction/destruction
device_exp_interface(const machine_config &mconfig, device_t &device);
exp_slot_device *m_slot;
};
} // namespace bus::tim011
DECLARE_DEVICE_TYPE_NS(TIM011_EXPANSION_SLOT, bus::tim011, exp_slot_device)
void tim011_exp_devices(device_slot_interface &device);
#endif // MAME_BUS_TIM011_EXP_H
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