// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/*************************************************************************
Driver for Midway Zeus games
**************************************************************************/
#define MIDZEUS_VIDEO_CLOCK XTAL_66_6667MHz
#include "machine/timekpr.h"
class midzeus_state : public driver_device
{
public:
midzeus_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_nvram(*this, "nvram"),
m_ram_base(*this, "ram_base"),
m_linkram(*this, "linkram"),
m_tms32031_control(*this, "tms32031_ctl"),
m_zeusbase(*this, "zeusbase") ,
m_m48t35(*this, "m48t35"),
m_maincpu(*this, "maincpu"),
m_screen(*this, "screen"),
m_palette(*this, "palette") { }
required_shared_ptr<UINT32> m_nvram;
required_shared_ptr<UINT32> m_ram_base;
optional_shared_ptr<UINT32> m_linkram;
required_shared_ptr<UINT32> m_tms32031_control;
optional_shared_ptr<UINT32> m_zeusbase;
optional_device<timekeeper_device> m_m48t35;
required_device<cpu_device> m_maincpu;
required_device<screen_device> m_screen;
optional_device<palette_device> m_palette;
DECLARE_WRITE32_MEMBER(cmos_w);
DECLARE_READ32_MEMBER(cmos_r);
DECLARE_WRITE32_MEMBER(cmos_protect_w);
DECLARE_READ32_MEMBER(zpram_r);
DECLARE_WRITE32_MEMBER(zpram_w);
DECLARE_READ32_MEMBER(bitlatches_r);
DECLARE_WRITE32_MEMBER(bitlatches_w);
DECLARE_READ32_MEMBER(crusnexo_leds_r);
DECLARE_WRITE32_MEMBER(crusnexo_leds_w);
DECLARE_READ32_MEMBER(linkram_r);
DECLARE_WRITE32_MEMBER(linkram_w);
DECLARE_READ32_MEMBER(tms32031_control_r);
DECLARE_WRITE32_MEMBER(tms32031_control_w);
DECLARE_WRITE32_MEMBER(keypad_select_w);
DECLARE_READ32_MEMBER(analog_r);
DECLARE_WRITE32_MEMBER(analog_w);
DECLARE_WRITE32_MEMBER(invasn_gun_w);
DECLARE_READ32_MEMBER(invasn_gun_r);
DECLARE_READ_LINE_MEMBER(PIC16C5X_T0_clk_r);
DECLARE_READ32_MEMBER(zeus_r);
DECLARE_WRITE32_MEMBER(zeus_w);
DECLARE_CUSTOM_INPUT_MEMBER(custom_49way_r);
DECLARE_CUSTOM_INPUT_MEMBER(keypad_r);
DECLARE_READ32_MEMBER(zeus2_timekeeper_r);
DECLARE_WRITE32_MEMBER(zeus2_timekeeper_w);
DECLARE_DRIVER_INIT(invasn);
DECLARE_DRIVER_INIT(mk4);
DECLARE_DRIVER_INIT(thegrid);
DECLARE_DRIVER_INIT(crusnexo);
DECLARE_MACHINE_START(midzeus);
DECLARE_MACHINE_RESET(midzeus);
DECLARE_VIDEO_START(midzeus);
UINT32 screen_update_midzeus(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(display_irq);
TIMER_CALLBACK_MEMBER(display_irq_off);
TIMER_CALLBACK_MEMBER(invasn_gun_callback);
private:
void exit_handler();
void zeus_pointer_w(UINT32 which, UINT32 data, int logit);
void zeus_register16_w(offs_t offset, UINT16 data, int logit);
void zeus_register32_w(offs_t offset, UINT32 data, int logit);
void zeus_register_update(offs_t offset);
int zeus_fifo_process(const UINT32 *data, int numwords);
void zeus_draw_model(UINT32 texdata, int logit);
void log_fifo_command(const UINT32 *data, int numwords, const char *suffix);
void log_waveram(UINT32 length_and_base);
void update_gun_irq();
};