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/***************************************************************************
Sega System Hang On hardware
****************************************************************************
Copyright Aaron Giles
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
* Neither the name 'MAME' nor the names of its contributors may be
used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
***************************************************************************/
#include "cpu/m68000/m68000.h"
#include "cpu/mcs51/mcs51.h"
#include "cpu/z80/z80.h"
#include "machine/i8255.h"
#include "machine/segaic16.h"
#include "video/segaic16.h"
#include "video/sega16sp.h"
// ======================> segahang_state
class segahang_state : public sega_16bit_common_base
{
public:
// construction/destruction
segahang_state(const machine_config &mconfig, device_type type, const char *tag)
: sega_16bit_common_base(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_subcpu(*this, "subcpu"),
m_soundcpu(*this, "soundcpu"),
m_mcu(*this, "mcu"),
m_i8255_1(*this, "i8255_1"),
m_i8255_2(*this, "i8255_2"),
m_sprites(*this, "sprites"),
m_workram(*this, "workram"),
m_sharrier_video(false),
m_adc_select(0)
{ }
// PPI read/write callbacks
DECLARE_WRITE8_MEMBER( video_lamps_w );
DECLARE_WRITE8_MEMBER( tilemap_sound_w );
DECLARE_WRITE8_MEMBER( sub_control_adc_w );
DECLARE_READ8_MEMBER( adc_status_r );
// main CPU read/write handlers
DECLARE_READ16_MEMBER( hangon_io_r );
DECLARE_WRITE16_MEMBER( hangon_io_w );
DECLARE_READ16_MEMBER( sharrier_io_r );
DECLARE_WRITE16_MEMBER( sharrier_io_w );
// Z80 sound CPU read/write handlers
DECLARE_READ8_MEMBER( sound_data_r );
DECLARE_WRITE_LINE_MEMBER( sound_irq );
// I8751-related VBLANK interrupt hanlders
INTERRUPT_GEN_MEMBER( i8751_main_cpu_vblank );
// game-specific driver init
DECLARE_DRIVER_INIT(generic);
DECLARE_DRIVER_INIT(sharrier);
DECLARE_DRIVER_INIT(enduror);
DECLARE_DRIVER_INIT(endurobl);
DECLARE_DRIVER_INIT(endurob2);
// video updates
UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
protected:
// internal types
typedef delegate<void ()> i8751_sim_delegate;
// timer IDs
enum
{
TID_INIT_I8751,
TID_PPI_WRITE
};
// driver overrides
virtual void video_start();
virtual void machine_reset();
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
// I8751 simulations
void sharrier_i8751_sim();
// devices
required_device<m68000_device> m_maincpu;
required_device<m68000_device> m_subcpu;
required_device<z80_device> m_soundcpu;
optional_device<i8751_device> m_mcu;
required_device<i8255_device> m_i8255_1;
required_device<i8255_device> m_i8255_2;
required_device<sega_16bit_sprite_device> m_sprites;
// memory pointers
required_shared_ptr<UINT16> m_workram;
// configuration
bool m_sharrier_video;
i8751_sim_delegate m_i8751_vblank_hook;
// internal state
UINT8 m_adc_select;
bool m_shadow;
};
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