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/***************************************************************************
Sega pre-System 16 & System 16A 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/mcs48/mcs48.h"
#include "cpu/mcs51/mcs51.h"
#include "cpu/z80/z80.h"
#include "machine/i8255.h"
#include "machine/i8243.h"
#include "machine/nvram.h"
#include "machine/segaic16.h"
#include "sound/2151intf.h"
#include "video/segaic16.h"
// ======================> segas16a_state
class segas16a_state : public driver_device
{
public:
// construction/destruction
segas16a_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_soundcpu(*this, "soundcpu"),
m_mcu(*this, "mcu"),
m_i8255(*this, "i8255"),
m_ymsnd(*this, "ymsnd"),
m_n7751(*this, "n7751"),
m_n7751_i8243(*this, "n7751_8243"),
m_nvram(*this, "nvram"),
m_workram(*this, "nvram"),
m_video_control(0),
m_mcu_control(0),
m_n7751_command(0),
m_n7751_rom_address(0),
m_last_buttons1(0),
m_last_buttons2(0),
m_read_port(0),
m_mj_input_num(0)
{ }
// PPI read/write callbacks
DECLARE_WRITE8_MEMBER( misc_control_w );
DECLARE_WRITE8_MEMBER( tilemap_sound_w );
// main CPU read/write handlers
DECLARE_READ16_MEMBER( standard_io_r );
DECLARE_WRITE16_MEMBER( standard_io_w );
DECLARE_READ16_MEMBER( misc_io_r );
DECLARE_WRITE16_MEMBER( misc_io_w );
// Z80 sound CPU read/write handlers
DECLARE_READ8_MEMBER( sound_data_r );
DECLARE_WRITE8_MEMBER( n7751_command_w );
DECLARE_WRITE8_MEMBER( n7751_control_w );
DECLARE_WRITE8_MEMBER( n7751_rom_offset_w );
static WRITE8_DEVICE_HANDLER( static_n7751_rom_offset_w );
// N7751 sound generator CPU read/write handlers
DECLARE_READ8_MEMBER( n7751_rom_r );
DECLARE_READ8_MEMBER( n7751_p2_r );
DECLARE_WRITE8_MEMBER( n7751_p2_w );
DECLARE_READ8_MEMBER( n7751_t1_r );
// I8751 MCU read/write handlers
DECLARE_WRITE8_MEMBER( mcu_control_w );
DECLARE_WRITE8_MEMBER( mcu_io_w );
DECLARE_READ8_MEMBER( mcu_io_r );
// I8751-related VBLANK interrupt handlers
INTERRUPT_GEN_MEMBER( mcu_irq_assert );
INTERRUPT_GEN_MEMBER( i8751_main_cpu_vblank );
// game-specific driver init
DECLARE_DRIVER_INIT(generic);
DECLARE_DRIVER_INIT(dumpmtmt);
DECLARE_DRIVER_INIT(quartet);
DECLARE_DRIVER_INIT(fantzonep);
DECLARE_DRIVER_INIT(sjryukoa);
DECLARE_DRIVER_INIT(aceattaa);
DECLARE_DRIVER_INIT(passsht16a);
DECLARE_DRIVER_INIT(mjleague);
DECLARE_DRIVER_INIT(sdi);
// video updates
UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
protected:
// internal types
typedef delegate<void ()> i8751_sim_delegate;
typedef delegate<void (UINT8, UINT8)> lamp_changed_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 dumpmtmt_i8751_sim();
void quartet_i8751_sim();
// custom I/O handlers
DECLARE_READ16_MEMBER( aceattaa_custom_io_r );
DECLARE_READ16_MEMBER( mjleague_custom_io_r );
DECLARE_READ16_MEMBER( passsht16a_custom_io_r );
DECLARE_READ16_MEMBER( sdi_custom_io_r );
DECLARE_READ16_MEMBER( sjryuko_custom_io_r );
void sjryuko_lamp_changed_w(UINT8 changed, UINT8 newval);
// devices
required_device<m68000_device> m_maincpu;
required_device<z80_device> m_soundcpu;
optional_device<i8751_device> m_mcu;
required_device<i8255_device> m_i8255;
required_device<ym2151_device> m_ymsnd;
optional_device<n7751_device> m_n7751;
optional_device<i8243_device> m_n7751_i8243;
required_device<nvram_device> m_nvram;
// memory pointers
required_shared_ptr<UINT16> m_workram;
// configuration
read16_delegate m_custom_io_r;
write16_delegate m_custom_io_w;
i8751_sim_delegate m_i8751_vblank_hook;
lamp_changed_delegate m_lamp_changed_w;
// internal state
UINT8 m_video_control;
UINT8 m_mcu_control;
UINT8 m_n7751_command;
UINT32 m_n7751_rom_address;
UINT8 m_last_buttons1;
UINT8 m_last_buttons2;
UINT8 m_read_port;
UINT8 m_mj_input_num;
};
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