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// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/*************************************************************************
Driver for Midway V-Unit games
**************************************************************************/
#include "audio/dcs.h"
#include "bus/ata/ataintf.h"
#include "machine/adc0844.h"
#include "machine/midwayic.h"
#include "machine/timer.h"
#include "machine/watchdog.h"
#include "video/poly.h"
#include "emupal.h"
#include "screen.h"
#define MIDVUNIT_VIDEO_CLOCK 33000000
struct midvunit_object_data
{
uint16_t * destbase = nullptr;
uint8_t * texbase = 0;
uint16_t pixdata = 0;
uint8_t dither = 0;
};
class midvunit_state;
class midvunit_renderer : public poly_manager<float, midvunit_object_data, 2>
{
public:
midvunit_renderer(midvunit_state &state);
void process_dma_queue();
void make_vertices_inclusive(vertex_t *vert);
private:
midvunit_state &m_state;
void render_flat(int32_t scanline, const extent_t &extent, const midvunit_object_data &extradata, int threadid);
void render_tex(int32_t scanline, const extent_t &extent, const midvunit_object_data &extradata, int threadid);
void render_textrans(int32_t scanline, const extent_t &extent, const midvunit_object_data &extradata, int threadid);
void render_textransmask(int32_t scanline, const extent_t &extent, const midvunit_object_data &extradata, int threadid);
};
class midvunit_state : public driver_device
{
public:
midvunit_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_videoram(*this, "videoram", 0x200000, ENDIANNESS_LITTLE),
m_textureram(*this, "textureram"),
m_screen(*this, "screen"),
m_nvram(*this, "nvram"),
m_ram_base(*this, "ram_base"),
m_fastram_base(*this, "fastram_base"),
m_tms32031_control(*this, "32031_control"),
m_midvplus_misc(*this, "midvplus_misc"),
m_maincpu(*this, "maincpu"),
m_watchdog(*this, "watchdog"),
m_palette(*this, "palette"),
m_adc(*this, "adc"),
m_midway_serial_pic2(*this, "serial_pic2"),
m_midway_ioasic(*this, "ioasic"),
m_ata(*this, "ata"),
m_timer(*this, "timer%u", 0U),
m_dcs(*this, "dcs"),
m_generic_paletteram_32(*this, "paletteram"),
m_optional_drivers(*this, "lamp%u", 0U),
m_in1(*this, "IN1"),
m_dsw(*this, "DSW"),
m_motion(*this, "MOTION") { }
void midvcommon(machine_config &config);
void crusnwld(machine_config &config);
void midvplus(machine_config &config);
void offroadc(machine_config &config);
void midvunit(machine_config &config);
void init_crusnu40();
void init_crusnu21();
void init_crusnwld();
void init_wargods();
void init_offroadc();
void init_crusnusa();
uint16_t m_page_control = 0;
uint16_t m_dma_data[16]{};
uint8_t m_video_changed = 0;
memory_share_creator<uint16_t> m_videoram;
required_shared_ptr<uint32_t> m_textureram;
required_device<screen_device> m_screen;
DECLARE_CUSTOM_INPUT_MEMBER(motion_r);
private:
optional_shared_ptr<uint32_t> m_nvram;
required_shared_ptr<uint32_t> m_ram_base;
optional_shared_ptr<uint32_t> m_fastram_base;
required_shared_ptr<uint32_t> m_tms32031_control;
optional_shared_ptr<uint32_t> m_midvplus_misc;
uint8_t m_cmos_protected = 0;
uint16_t m_control_data = 0;
uint8_t m_adc_shift = 0;
uint16_t m_last_port0 = 0;
uint8_t m_shifter_state = 0;
double m_timer_rate = 0;
uint16_t m_bit_index = 0;
int m_lastval = 0;
uint32_t *m_generic_speedup = nullptr;
uint16_t m_video_regs[16]{};
uint8_t m_dma_data_index = 0;
emu_timer *m_scanline_timer = nullptr;
emu_timer *m_eoi_timer = nullptr;
std::unique_ptr<midvunit_renderer> m_poly;
uint8_t m_galil_input_index = 0;
uint8_t m_galil_input_length = 0;
const char *m_galil_input = nullptr;
uint8_t m_galil_output_index = 0;
char m_galil_output[450]{};
uint8_t m_wheel_board_output = 0;
uint32_t m_wheel_board_last = 0;
uint32_t m_wheel_board_u8_latch = 0;
uint8_t m_comm_flags = 0;
uint16_t m_comm_data = 0;
void midvunit_dma_queue_w(uint32_t data);
uint32_t midvunit_dma_queue_entries_r();
uint32_t midvunit_dma_trigger_r(offs_t offset);
void midvunit_page_control_w(uint32_t data);
uint32_t midvunit_page_control_r();
void midvunit_video_control_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
uint32_t midvunit_scanline_r();
void midvunit_videoram_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
uint32_t midvunit_videoram_r(offs_t offset);
void midvunit_paletteram_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
void midvunit_textureram_w(offs_t offset, uint32_t data);
uint32_t midvunit_textureram_r(offs_t offset);
uint32_t port0_r();
uint32_t adc_r();
void adc_w(uint32_t data);
void midvunit_cmos_protect_w(uint32_t data);
void midvunit_cmos_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
uint32_t midvunit_cmos_r(offs_t offset);
void midvunit_control_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
void crusnwld_control_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
void midvunit_sound_w(uint32_t data);
uint32_t tms32031_control_r(offs_t offset);
void tms32031_control_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
uint32_t crusnwld_serial_status_r();
uint32_t crusnwld_serial_data_r();
void crusnwld_serial_data_w(uint32_t data);
uint32_t bit_data_r(offs_t offset);
void bit_reset_w(uint32_t data);
uint32_t midvplus_misc_r(offs_t offset);
void midvplus_misc_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
void midvplus_xf1_w(uint8_t data);
uint32_t generic_speedup_r(offs_t offset);
uint32_t midvunit_wheel_board_r();
void midvunit_wheel_board_w(uint32_t data);
uint32_t midvunit_intcs_r();
uint32_t midvunit_comcs_r(offs_t offset);
void midvunit_comcs_w(offs_t offset, uint32_t data);
void set_input(const char *s);
void init_crusnwld_common(offs_t speedup);
void init_crusnusa_common(offs_t speedup);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
DECLARE_MACHINE_RESET(midvplus);
uint32_t screen_update_midvunit(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_CALLBACK_MEMBER(scanline_timer_cb);
TIMER_CALLBACK_MEMBER(eoi_timer_cb);
required_device<tms32031_device> m_maincpu;
required_device<watchdog_timer_device> m_watchdog;
required_device<palette_device> m_palette;
optional_device<adc0844_device> m_adc;
optional_device<midway_serial_pic2_device> m_midway_serial_pic2;
optional_device<midway_ioasic_device> m_midway_ioasic;
optional_device<ata_interface_device> m_ata;
required_device_array<timer_device, 2> m_timer;
required_device<dcs_audio_device> m_dcs;
required_shared_ptr<uint32_t> m_generic_paletteram_32;
output_finder<8> m_optional_drivers;
optional_ioport m_in1;
optional_ioport m_dsw;
optional_ioport m_motion;
void postload();
uint16_t comm_bus_out();
uint16_t comm_bus_in();
void midvplus_map(address_map &map);
void midvunit_map(address_map &map);
};
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