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/**********************************************************************
MOS Technology 6529 Single Port Interface Adapter emulation
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
**********************************************************************
_____ _____
R/W 1 |* \_/ | 20 Vdd
P0 2 | | 19 _CS
P1 3 | | 18 D0
P2 4 | | 17 D1
P3 5 | MOS6529 | 16 D2
P4 6 | | 15 D3
P5 7 | | 14 D4
P6 8 | | 13 D5
P7 9 | | 12 D6
Vss 10 |_____________| 11 D7
**********************************************************************/
#pragma once
#ifndef __MOS6529__
#define __MOS6529__
#include "emu.h"
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_MOS6529_ADD(_tag, _clock, _config) \
MCFG_DEVICE_ADD(_tag, MOS6529, _clock) \
MCFG_DEVICE_CONFIG(_config)
#define MOS6529_INTERFACE(name) \
const mos6529_interface (name) =
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> mos6529_interface
struct mos6529_interface
{
devcb_read8 m_in_p_func;
devcb_write8 m_out_p_func;
};
// ======================> mos6529_device_config
class mos6529_device_config : public device_config,
public mos6529_interface
{
friend class mos6529_device;
// construction/destruction
mos6529_device_config(const machine_config &mconfig, const char *tag, const device_config *owner, UINT32 clock);
public:
// allocators
static device_config *static_alloc_device_config(const machine_config &mconfig, const char *tag, const device_config *owner, UINT32 clock);
virtual device_t *alloc_device(running_machine &machine) const;
protected:
// device_config overrides
virtual void device_config_complete();
};
// ======================> mos6529_device
class mos6529_device : public device_t
{
friend class mos6529_device_config;
// construction/destruction
mos6529_device(running_machine &_machine, const mos6529_device_config &_config);
public:
DECLARE_READ8_MEMBER( read );
DECLARE_WRITE8_MEMBER( write );
protected:
// device-level overrides
virtual void device_start();
private:
devcb_resolved_read8 m_in_p_func;
devcb_resolved_write8 m_out_p_func;
const mos6529_device_config &m_config;
};
// device type definition
extern const device_type MOS6529;
#endif
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