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#include "machine/6821pia.h"
#include "audio/midway.h"
#include "audio/williams.h"
struct counter_state
{
UINT8 control;
UINT16 latch;
UINT16 count;
emu_timer * timer;
UINT8 timer_active;
attotime period;
};
class mcr68_state : public driver_device
{
public:
mcr68_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_chip_squeak_deluxe(*this, "csd"),
m_sounds_good(*this, "sg"),
m_turbo_chip_squeak(*this, "tcs"),
m_cvsd_sound(*this, "cvsd"),
m_videoram(*this, "videoram"),
m_spriteram(*this, "spriteram") { }
optional_device<midway_chip_squeak_deluxe_device> m_chip_squeak_deluxe;
optional_device<midway_sounds_good_device> m_sounds_good;
optional_device<midway_turbo_chip_squeak_device> m_turbo_chip_squeak;
optional_device<williams_cvsd_sound_device> m_cvsd_sound;
required_shared_ptr<UINT16> m_videoram;
required_shared_ptr<UINT16> m_spriteram;
UINT16 m_control_word;
UINT8 m_protection_data[5];
attotime m_timing_factor;
UINT8 m_sprite_clip;
INT8 m_sprite_xoffset;
UINT8 m_m6840_status;
UINT8 m_m6840_status_read_since_int;
UINT8 m_m6840_msb_buffer;
UINT8 m_m6840_lsb_buffer;
UINT8 m_m6840_irq_state;
UINT8 m_m6840_irq_vector;
struct counter_state m_m6840_state[3];
UINT8 m_v493_irq_state;
UINT8 m_v493_irq_vector;
timer_expired_func m_v493_callback;
const char *m_v493_callback_name;
UINT8 m_zwackery_sound_data;
attotime m_m6840_counter_periods[3];
attotime m_m6840_internal_counter_period;
tilemap_t *m_bg_tilemap;
tilemap_t *m_fg_tilemap;
DECLARE_READ16_MEMBER(zwackery_6840_r);
DECLARE_WRITE16_MEMBER(xenophobe_control_w);
DECLARE_WRITE16_MEMBER(blasted_control_w);
DECLARE_READ16_MEMBER(spyhunt2_port_0_r);
DECLARE_READ16_MEMBER(spyhunt2_port_1_r);
DECLARE_WRITE16_MEMBER(spyhunt2_control_w);
DECLARE_READ16_MEMBER(archrivl_port_1_r);
DECLARE_WRITE16_MEMBER(archrivl_control_w);
DECLARE_WRITE16_MEMBER(pigskin_protection_w);
DECLARE_READ16_MEMBER(pigskin_protection_r);
DECLARE_READ16_MEMBER(pigskin_port_1_r);
DECLARE_READ16_MEMBER(pigskin_port_2_r);
DECLARE_READ16_MEMBER(trisport_port_1_r);
DECLARE_WRITE16_MEMBER(mcr68_6840_upper_w);
DECLARE_WRITE16_MEMBER(mcr68_6840_lower_w);
DECLARE_READ16_MEMBER(mcr68_6840_upper_r);
DECLARE_READ16_MEMBER(mcr68_6840_lower_r);
DECLARE_WRITE8_MEMBER(mcr68_6840_w_common);
DECLARE_READ16_MEMBER(mcr68_6840_r_common);
void reload_count(int counter);
UINT16 compute_counter(int counter);
DECLARE_WRITE16_MEMBER(mcr68_paletteram_w);
DECLARE_WRITE16_MEMBER(zwackery_paletteram_w);
DECLARE_WRITE16_MEMBER(mcr68_videoram_w);
DECLARE_WRITE16_MEMBER(zwackery_videoram_w);
DECLARE_WRITE16_MEMBER(zwackery_spriteram_w);
DECLARE_READ8_MEMBER(zwackery_port_2_r);
DECLARE_DRIVER_INIT(intlaser);
DECLARE_DRIVER_INIT(pigskin);
DECLARE_DRIVER_INIT(zwackery);
DECLARE_DRIVER_INIT(blasted);
DECLARE_DRIVER_INIT(trisport);
DECLARE_DRIVER_INIT(xenophob);
DECLARE_DRIVER_INIT(archrivl);
DECLARE_DRIVER_INIT(spyhunt2);
TILE_GET_INFO_MEMBER(get_bg_tile_info);
TILE_GET_INFO_MEMBER(zwackery_get_bg_tile_info);
TILE_GET_INFO_MEMBER(zwackery_get_fg_tile_info);
DECLARE_MACHINE_START(zwackery);
DECLARE_MACHINE_RESET(zwackery);
DECLARE_VIDEO_START(zwackery);
DECLARE_MACHINE_START(mcr68);
DECLARE_MACHINE_RESET(mcr68);
DECLARE_VIDEO_START(mcr68);
UINT32 screen_update_zwackery(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
UINT32 screen_update_mcr68(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
};
/*----------- defined in machine/mcr68.c -----------*/
extern const pia6821_interface zwackery_pia0_intf;
extern const pia6821_interface zwackery_pia1_intf;
extern const pia6821_interface zwackery_pia2_intf;
INTERRUPT_GEN( mcr68_interrupt );
/*----------- defined in video/mcr68.c -----------*/
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