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// license:BSD-3-Clause
// copyright-holders:Sandro Ronco
/*********************************************************************
z88.h
Z88 cartridge slots emulation
**********************************************************************
pins Slot 1 Slot 2 Slot 3
1 A16 A16 A16
2 A15 A15 A15
3 A12 A12 A12
4 A7 A7 A7
5 A6 A6 A6
6 A5 A5 A5
7 A4 A4 A4
8 A3 A3 A3
9 A2 A2 A2
10 A1 A1 A1
11 A0 A0 A0
12 D0 D0 D0
13 D1 D1 D1
14 D2 D2 D2
15 SNSL SNSL SNSL
16 GND GND GND
17 GND GND GND
18 A14 A14 A14
19 VCC VCC VPP
20 VCC VCC VCC
21 VCC VCC VCC
22 WEL WEL PGML
23 A13 A13 A13
24 A8 A8 A8
25 A9 A9 A9
26 A11 A11 A11
27 POE POE POE
28 ROE ROE EOE
29 A10 A10 A10
30 SE1 SE2 SE3
31 D7 D7 D7
32 D6 D6 D6
33 D3 D3 D3
34 D4 D4 D4
35 D5 D5 D5
36 A17 A17 A17
37 A18 A18 A18
38 A19 A19 A19
*********************************************************************/
#ifndef __Z88CART_H__
#define __Z88CART_H__
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
// ======================> device_z88cart_interface
class device_z88cart_interface : public device_slot_card_interface
{
public:
// construction/destruction
device_z88cart_interface(const machine_config &mconfig, device_t &device);
virtual ~device_z88cart_interface();
// reading and writing
virtual DECLARE_READ8_MEMBER(read) { return 0xff; }
virtual DECLARE_WRITE8_MEMBER(write) { }
virtual UINT8* get_cart_base() { return nullptr; }
virtual UINT32 get_cart_size() { return 0; }
};
// ======================> z88cart_slot_device
class z88cart_slot_device : public device_t,
public device_image_interface,
public device_slot_interface
{
public:
// construction/destruction
z88cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
virtual ~z88cart_slot_device();
template<class _Object> static devcb_base &set_out_flp_callback(device_t &device, _Object object) { return downcast<z88cart_slot_device &>(device).m_out_flp_cb.set_callback(object); }
// device-level overrides
virtual void device_start() override;
virtual void device_config_complete() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
// image-level overrides
virtual bool call_load() override;
virtual void call_unload() override;
virtual bool call_softlist_load(software_list_device &swlist, const char *swname, const rom_entry *start_entry) override;
virtual iodevice_t image_type() const override { return IO_CARTSLOT; }
virtual bool is_readable() const override { return 1; }
virtual bool is_writeable() const override { return 1; }
virtual bool is_creatable() const override { return 1; }
virtual bool must_be_loaded() const override { return 0; }
virtual bool is_reset_on_load() const override { return 0; }
virtual const char *image_interface() const override { return "z88_cart"; }
virtual const char *file_extensions() const override { return "epr,bin"; }
virtual const option_guide *create_option_guide() const override { return nullptr; }
// slot interface overrides
virtual std::string get_default_card_software() override;
// reading and writing
virtual DECLARE_READ8_MEMBER(read);
virtual DECLARE_WRITE8_MEMBER(write);
private:
static const device_timer_id TIMER_FLP_CLEAR = 0;
devcb_write_line m_out_flp_cb;
device_z88cart_interface* m_cart;
emu_timer * m_flp_timer;
};
// device type definition
extern const device_type Z88CART_SLOT;
/***************************************************************************
DEVICE CONFIGURATION MACROS
***************************************************************************/
#define MCFG_Z88CART_SLOT_OUT_FLP_CB(_devcb) \
devcb = &z88cart_slot_device::set_out_flp_callback(*device, DEVCB_##_devcb);
#endif /* __Z88CART_H__ */
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