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// license:BSD-3-Clause
// copyright-holders:Lee Ward, Dirk Best, Curt Coder
/*************************************************************************
Memotech MTX 500, MTX 512 and RS 128
*************************************************************************/
#ifndef __MTX__
#define __MTX__
#include "imagedev/snapquik.h"
#include "imagedev/cassette.h"
#include "bus/centronics/ctronics.h"
#include "machine/z80dart.h"
#include "machine/z80ctc.h"
#include "sound/sn76496.h"
#include "machine/ram.h"
#define Z80_TAG "z80"
#define Z80CTC_TAG "z80ctc"
#define Z80DART_TAG "z80dart"
#define FD1793_TAG "fd1793" // SDX
#define FD1791_TAG "fd1791" // FDX
#define SN76489A_TAG "sn76489a"
#define MC6845_TAG "mc6845"
#define SCREEN_TAG "screen"
#define CENTRONICS_TAG "centronics"
class mtx_state : public driver_device
{
public:
mtx_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, Z80_TAG),
m_sn(*this, SN76489A_TAG),
m_z80ctc(*this, Z80CTC_TAG),
m_z80dart(*this, Z80DART_TAG),
m_cassette(*this, "cassette"),
m_centronics(*this, CENTRONICS_TAG),
m_ram(*this, RAM_TAG)
{ }
required_device<cpu_device> m_maincpu;
required_device<sn76489a_device> m_sn;
required_device<z80ctc_device> m_z80ctc;
optional_device<z80dart_device> m_z80dart;
required_device<cassette_image_device> m_cassette;
required_device<centronics_device> m_centronics;
required_device<ram_device> m_ram;
/* keyboard state */
UINT8 m_key_sense;
/* video state */
UINT8 *m_video_ram;
UINT8 *m_attr_ram;
/* sound state */
UINT8 m_sound_latch;
/* timers */
device_t *m_cassette_timer;
int m_centronics_busy;
int m_centronics_fault;
int m_centronics_perror;
int m_centronics_select;
DECLARE_WRITE8_MEMBER(mtx_bankswitch_w);
DECLARE_WRITE8_MEMBER(mtx_sound_latch_w);
DECLARE_WRITE8_MEMBER(mtx_sense_w);
DECLARE_READ8_MEMBER(mtx_key_lo_r);
DECLARE_READ8_MEMBER(mtx_key_hi_r);
DECLARE_WRITE8_MEMBER(hrx_address_w);
DECLARE_READ8_MEMBER(hrx_data_r);
DECLARE_WRITE8_MEMBER(hrx_data_w);
DECLARE_READ8_MEMBER(hrx_attr_r);
DECLARE_WRITE8_MEMBER(hrx_attr_w);
DECLARE_MACHINE_START(mtx512);
DECLARE_MACHINE_RESET(mtx512);
TIMER_DEVICE_CALLBACK_MEMBER(ctc_tick);
TIMER_DEVICE_CALLBACK_MEMBER(cassette_tick);
DECLARE_WRITE_LINE_MEMBER(ctc_trg1_w);
DECLARE_WRITE_LINE_MEMBER(ctc_trg2_w);
DECLARE_WRITE_LINE_MEMBER(mtx_tms9929a_interrupt);
DECLARE_READ8_MEMBER(mtx_strobe_r);
DECLARE_READ8_MEMBER(mtx_sound_strobe_r);
DECLARE_WRITE8_MEMBER(mtx_cst_w);
DECLARE_READ8_MEMBER(mtx_prt_r);
DECLARE_WRITE_LINE_MEMBER(write_centronics_busy);
DECLARE_WRITE_LINE_MEMBER(write_centronics_fault);
DECLARE_WRITE_LINE_MEMBER(write_centronics_perror);
DECLARE_WRITE_LINE_MEMBER(write_centronics_select);
void bankswitch(UINT8 data);
DECLARE_SNAPSHOT_LOAD_MEMBER( mtx );
};
#endif /* __MTX_H__ */
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