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// license:???
// copyright-holders:???
/***************************************************************************
VTech Laser/VZ Memory Expansion Slot
license: MAME, GPL-2.0+
copyright-holders: Dirk Best
44-pin slot
22 GND 23 NC
21 +5VDC 24 A11
20 /IORQ 25 A12
19 /RD 26 A13
18 /NMI 27 A14
17 /WAIT 28 A15
16 /MI 29 CLK
15 /RFSH 30 D4
14 D7 31 D3
13 D2 32 D5
12 A1 33 D6
11 A2 34 NC
10 A3 35 A0
9 A4 36 D0
8 A5 37 D1
7 A6 38 /INT
6 A7 39 /HALT
5 A8 40 /MERQ
4 A9 41 /WR
3 A10 42 /NC
2 /RESET 43 +9VDC
1 GND 44 NC
***************************************************************************/
#pragma once
#ifndef __VTECH_MEMEXP_H__
#define __VTECH_MEMEXP_H__
#include "emu.h"
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_MEMEXP_SLOT_ADD(_tag) \
MCFG_DEVICE_ADD(_tag, MEMEXP_SLOT, 0) \
MCFG_DEVICE_SLOT_INTERFACE(memexp_slot_carts, NULL, false)
#define MCFG_MEMEXP_SLOT_INT_HANDLER(_devcb) \
devcb = &memexp_device::set_int_handler(*device, DEVCB_##_devcb);
#define MCFG_MEMEXP_SLOT_NMI_HANDLER(_devcb) \
devcb = &memexp_device::set_nmi_handler(*device, DEVCB_##_devcb);
#define MCFG_MEMEXP_SLOT_RESET_HANDLER(_devcb) \
devcb = &memexp_device::set_reset_handler(*device, DEVCB_##_devcb);
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class device_memexp_interface;
class memexp_slot_device : public device_t, public device_slot_interface
{
public:
// construction/destruction
memexp_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
virtual ~memexp_slot_device();
void set_program_space(address_space *program);
void set_io_space(address_space *io);
// callbacks
template<class _Object> static devcb_base &set_int_handler(device_t &device, _Object object)
{ return downcast<memexp_slot_device &>(device).m_int_handler.set_callback(object); }
template<class _Object> static devcb_base &set_nmi_handler(device_t &device, _Object object)
{ return downcast<memexp_slot_device &>(device).m_nmi_handler.set_callback(object); }
template<class _Object> static devcb_base &set_reset_handler(device_t &device, _Object object)
{ return downcast<memexp_slot_device &>(device).m_reset_handler.set_callback(object); }
// called from cart device
DECLARE_WRITE_LINE_MEMBER( int_w ) { m_int_handler(state); }
DECLARE_WRITE_LINE_MEMBER( nmi_w ) { m_nmi_handler(state); }
DECLARE_WRITE_LINE_MEMBER( reset_w ) { m_reset_handler(state); }
address_space *m_program;
address_space *m_io;
protected:
// device-level overrides
virtual void device_start();
virtual void device_reset();
device_memexp_interface *m_cart;
private:
devcb_write_line m_int_handler;
devcb_write_line m_nmi_handler;
devcb_write_line m_reset_handler;
};
// class representing interface-specific live memexp device
class device_memexp_interface : public device_slot_card_interface
{
public:
// construction/destruction
device_memexp_interface(const machine_config &mconfig, device_t &device);
virtual ~device_memexp_interface();
protected:
memexp_slot_device *m_slot;
};
// device type definition
extern const device_type MEMEXP_SLOT;
// include here so drivers don't need to
#include "carts.h"
#endif // __VTECH_MEMEXP_H__
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