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/***************************************************************************
Sega Y-Board 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/z80/z80.h"
#include "machine/segaic16.h"
#include "video/segaic16.h"
// ======================> segaybd_state
class segaybd_state : public driver_device
{
public:
// construction/destruction
segaybd_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_subx(*this, "subx"),
m_suby(*this, "suby"),
m_soundcpu(*this, "soundcpu"),
m_pdrift_bank(0),
m_scanline_timer(NULL),
m_irq2_scanline(0),
m_timer_irq_state(0),
m_vblank_irq_state(0),
m_tmp_bitmap(512, 512)
{
memset(m_analog_data, 0, sizeof(m_analog_data));
memset(m_misc_io_data, 0, sizeof(m_misc_io_data));
}
// YM2151 chip callbacks
WRITE_LINE_MEMBER( sound_cpu_irq );
// main CPU read/write handlers
READ16_MEMBER( analog_r );
WRITE16_MEMBER( analog_w );
READ16_MEMBER( io_chip_r );
WRITE16_MEMBER( io_chip_w );
WRITE16_MEMBER( sound_data_w );
// sound Z80 CPU read/write handlers
READ8_MEMBER( sound_data_r );
// game-specific output handlers
void gforce2_output_cb2(UINT16 data);
void gloc_output_cb1(UINT16 data);
void gloc_output_cb2(UINT16 data);
void r360_output_cb2(UINT16 data);
void pdrift_output_cb1(UINT16 data);
void pdrift_output_cb2(UINT16 data);
void rchase_output_cb2(UINT16 data);
// game-specific driver init
DECLARE_DRIVER_INIT(generic);
DECLARE_DRIVER_INIT(pdrift);
DECLARE_DRIVER_INIT(r360);
DECLARE_DRIVER_INIT(gforce2);
DECLARE_DRIVER_INIT(rchase);
DECLARE_DRIVER_INIT(gloc);
// video updates
UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
protected:
// internal types
typedef delegate<void (UINT16)> output_delegate;
// timer IDs
enum
{
TID_IRQ2_GEN,
TID_SOUND_WRITE
};
// device overrides
virtual void machine_reset();
virtual void video_start();
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
// internal helpers
void update_irqs();
// devices
required_device<m68000_device> m_maincpu;
required_device<m68000_device> m_subx;
required_device<m68000_device> m_suby;
required_device<z80_device> m_soundcpu;
// configuration
output_delegate m_output_cb1;
output_delegate m_output_cb2;
// internal state
UINT16 m_pdrift_bank;
emu_timer * m_scanline_timer;
UINT8 m_analog_data[4];
int m_irq2_scanline;
UINT8 m_timer_irq_state;
UINT8 m_vblank_irq_state;
UINT8 m_misc_io_data[0x10];
bitmap_ind16 m_tmp_bitmap;
};
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