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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
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, _read, _write) \
MCFG_DEVICE_ADD(_tag, MOS6529, 0) \
downcast<mos6529_device *>(device)->set_callbacks(DEVCB2_##_read, DEVCB2_##_write);
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> mos6529_device
class mos6529_device : public device_t
{
public:
// construction/destruction
mos6529_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
template<class _read, class _write> void set_callbacks(_read rd, _write wr) {
m_read_port.set_callback(rd);
m_write_port.set_callback(wr);
}
DECLARE_READ8_MEMBER( read );
DECLARE_WRITE8_MEMBER( write );
protected:
// device-level overrides
virtual void device_start();
private:
devcb2_read8 m_read_port;
devcb2_write8 m_write_port;
};
// device type definition
extern const device_type MOS6529;
#endif
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