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/******************************************************************************
* Microtan 65
*
* variables and function prototypes
*
* Juergen Buchmueller <pullmoll@t-online.de>, Jul 2000
*
* Thanks go to Geoff Macdonald <mail@geoff.org.uk>
* for his site http://www.geo255.redhotant.com
* and to Fabrice Frances <frances@ensica.fr>
* for his site http://www.ifrance.com/oric/microtan.html
*
******************************************************************************/
#ifndef MICROTAN_H_
#define MICROTAN_H_
#include "imagedev/snapquik.h"
#include "machine/6522via.h"
class microtan_state : public driver_device
{
public:
microtan_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_videoram(*this, "videoram"){ }
required_shared_ptr<UINT8> m_videoram;
UINT8 m_chunky_graphics;
UINT8 *m_chunky_buffer;
UINT8 m_keypad_column;
UINT8 m_keyboard_ascii;
emu_timer *m_timer;
int m_via_0_irq_line;
int m_via_1_irq_line;
int m_kbd_irq_line;
UINT8 m_keyrows[10];
int m_lastrow;
int m_mask;
int m_key;
int m_repeat;
int m_repeater;
tilemap_t *m_bg_tilemap;
DECLARE_READ8_MEMBER(microtan_sound_r);
DECLARE_WRITE8_MEMBER(microtan_sound_w);
DECLARE_READ8_MEMBER(microtan_bffx_r);
DECLARE_WRITE8_MEMBER(microtan_bffx_w);
DECLARE_WRITE8_MEMBER(microtan_videoram_w);
DECLARE_DRIVER_INIT(microtan);
TILE_GET_INFO_MEMBER(get_bg_tile_info);
virtual void machine_reset();
virtual void video_start();
UINT32 screen_update_microtan(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(microtan_interrupt);
TIMER_CALLBACK_MEMBER(microtan_read_cassette);
TIMER_CALLBACK_MEMBER(microtan_pulse_nmi);
DECLARE_READ8_MEMBER(via_0_in_a);
DECLARE_READ8_MEMBER(via_0_in_b);
DECLARE_READ8_MEMBER(via_0_in_ca1);
DECLARE_READ8_MEMBER(via_0_in_cb1);
DECLARE_READ8_MEMBER(via_0_in_ca2);
DECLARE_READ8_MEMBER(via_0_in_cb2);
DECLARE_WRITE8_MEMBER(via_0_out_a);
DECLARE_WRITE8_MEMBER(via_0_out_b);
DECLARE_WRITE8_MEMBER(via_0_out_ca2);
DECLARE_WRITE8_MEMBER(via_0_out_cb2);
DECLARE_READ8_MEMBER(via_1_in_a);
DECLARE_READ8_MEMBER(via_1_in_b);
DECLARE_READ8_MEMBER(via_1_in_ca1);
DECLARE_READ8_MEMBER(via_1_in_cb1);
DECLARE_READ8_MEMBER(via_1_in_ca2);
DECLARE_READ8_MEMBER(via_1_in_cb2);
DECLARE_WRITE8_MEMBER(via_1_out_a);
DECLARE_WRITE8_MEMBER(via_1_out_b);
DECLARE_WRITE8_MEMBER(via_1_out_ca2);
DECLARE_WRITE8_MEMBER(via_1_out_cb2);
};
/*----------- defined in machine/microtan.c -----------*/
extern const via6522_interface microtan_via6522_0;
extern const via6522_interface microtan_via6522_1;
SNAPSHOT_LOAD( microtan );
QUICKLOAD_LOAD( microtan_hexfile );
#endif /* MICROTAN_H_ */
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