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author braintro <briantro@users.noreply.github.com>2020-08-04 22:09:40 -0500
committer braintro <briantro@users.noreply.github.com>2020-08-04 22:09:40 -0500
commit96937e900702a782ac33aeed499602839e428fa7 (patch)
treec59218cd2b4b7ebfffa2fa8e3610e7a7f85cd34d /src/lib/netlist/plib/putil.cpp
parent826b599a8506e058f3f46dbebc662e6c5d4ee31a (diff)
circus.cpp: Corrected ROM names for Robot Bowl. [Andrew Welburn]
Diffstat (limited to 'src/lib/netlist/plib/putil.cpp')
0 files changed, 0 insertions, 0 deletions
author Vas Crabb <vas@vastheman.com> 2017-02-27 22:16:07 +1100 committer Vas Crabb <vas@vastheman.com> 2017-02-27 22:57:14 +1100 Self-registering devices prep:' href='/mame/commit/src/mame/drivers/svision.cpp?id=6c23897483a0201dd0b65b450253fd9bf8fb8723'>6c23897483a ^
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       
// license:GPL-2.0+
// copyright-holders:Peter Trauner

/******************************************************************************
 watara supervision handheld

 PeT mess@utanet.at in december 2000
******************************************************************************/

#include "emu.h"

#include "svis_snd.h"

#include "bus/generic/carts.h"
#include "bus/generic/slot.h"
#include "cpu/m6502/m65c02.h"
#include "machine/timer.h"

#include "emupal.h"
#include "screen.h"
#include "softlist_dev.h"
#include "speaker.h"

#include "svision.lh"


// configurable logging
#define LOG_REGS     (1U << 1)

//#define VERBOSE (LOG_GENERAL | LOG_REGS)

#include "logmacro.h"

#define LOGREGS(...)     LOGMASKED(LOG_REGS,     __VA_ARGS__)


namespace {

class svision_state : public driver_device
{
public:
	svision_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag)
		, m_maincpu(*this, "maincpu")
		, m_sound(*this, "custom")
		, m_cart(*this, "cartslot")
		, m_reg(*this, "reg")
		, m_videoram(*this, "videoram")
		, m_screen(*this, "screen")
		, m_joy(*this, "JOY")
		, m_palette(*this, "palette")
		, m_bank(*this, "bank%u", 1U)
	{ }

	void svisionp(machine_config &config);
	void svision(machine_config &config);
	void svisionn(machine_config &config);

protected:
	virtual void machine_start() override;
	virtual void machine_reset() override;

	required_device<cpu_device> m_maincpu;
	required_device<svision_sound_device> m_sound;
	required_device<generic_slot_device> m_cart;
	required_shared_ptr<uint8_t> m_reg;
	required_shared_ptr<uint8_t> m_videoram;
	required_device<screen_device> m_screen;
	required_ioport m_joy;
	required_device<palette_device> m_palette;

	required_memory_bank_array<2> m_bank;

	memory_region *m_cart_rom = nullptr;

	enum
	{
		XSIZE = 0x00,
		XPOS  = 0x02,
		YPOS  = 0x03,
		BANK  = 0x26,
	};

	emu_timer *m_timer1 = nullptr;
	uint8_t m_timer_shot = 0;
	bool m_dma_finished = false;

	void sound_irq_w(int state);
	uint8_t regs_r(offs_t offset);
	void regs_w(offs_t offset, uint8_t data);

	uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	void frame_int_w(int state);
	DECLARE_DEVICE_IMAGE_LOAD_MEMBER(cart_load);

	void svision_palette(palette_device &palette) const;
	void svisionp_palette(palette_device &palette) const;
	void svisionn_palette(palette_device &palette) const;

	[[maybe_unused]] static constexpr uint32_t make8_rgb32(uint8_t red3, uint8_t green3, uint8_t blue2) { return (red3 << (16 + 5)) | (green3 << (8 + 5)) | (blue2 << (0 + 6)); }
	static constexpr uint32_t make9_rgb32(uint8_t red3, uint8_t green3, uint8_t blue3) { return (red3 << (16 + 5)) | (green3 << (8 + 5)) | (blue3 << (0 + 5)); }
	static constexpr uint32_t make12_rgb32(uint8_t red4, uint8_t green4, uint8_t blue4) { return (red4 << (16 + 4)) | (green4 << (8 + 4)) | (blue4 << (0 + 4)); }
	static constexpr uint32_t make24_rgb32(uint8_t red8, uint8_t green8, uint8_t blue8) { return ((red8 & 0xf8) << 16) | ((green8 & 0xf8) << 8) | (blue8 & 0xf8); }

	void check_irq();

	TIMER_CALLBACK_MEMBER(timer);

	void program_map(address_map &map);

	void svision_base(machine_config &config);
};

class svisions_state : public svision_state
{
public:
	svisions_state(const machine_config &mconfig, device_type type, const char *tag)
		: svision_state(mconfig, type, tag)
		, m_joy2(*this, "JOY2")
	{ }

	void svisions(machine_config &config);

protected:
	virtual void machine_start() override;

private:
	required_ioport m_joy2;

	uint8_t m_state = 0;
	uint8_t m_clock = 0, m_data = 0;
	uint8_t m_input = 0;
	emu_timer *m_timer = nullptr;

	uint8_t regs_r(offs_t offset);

	TIMER_CALLBACK_MEMBER(pet_timer);
	TIMER_DEVICE_CALLBACK_MEMBER(pet_timer_dev);

	void program_map(address_map &map);
};

class tvlink_state : public svision_state
{
public:
	tvlink_state(const machine_config &mconfig, device_type type, const char *tag)
		: svision_state(mconfig, type, tag)
	{ }

	void tvlinkp(machine_config &config);

protected:
	virtual void machine_start() override;
	virtual void machine_reset() override;

private:
	uint32_t m_tvlink_palette[4]{}; // 0x40? rgb8
	uint8_t m_palette_on = 0;

	uint8_t regs_r(offs_t offset);
	void regs_w(offs_t offset, uint8_t data);

	uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);

	void program_map(address_map &map);
};

TIMER_CALLBACK_MEMBER(svisions_state::pet_timer)
{
	switch (m_state)
	{
		case 0x00:
			m_input = m_joy2->read();
			[[fallthrough]];

		case 0x02: case 0x04: case 0x06: case 0x08:
		case 0x0a: case 0x0c: case 0x0e:
			m_clock = m_state & 2;
			m_data = m_input & 1;
			m_input >>= 1;
			m_state++;
			break;

		case 0x1f:
			m_state = 0;
			break;

		default:
			m_state++;
			break;
	}
}

TIMER_DEVICE_CALLBACK_MEMBER(svisions_state::pet_timer_dev)
{
	pet_timer(param);
}

void svision_state::sound_irq_w(int state)
{
	m_dma_finished = true;
	check_irq();
}

void svision_state::check_irq()
{
	bool irq = m_timer_shot && BIT(m_reg[BANK], 1);
	irq = irq || (m_dma_finished && BIT(m_reg[BANK], 2));

	m_maincpu->set_input_line(M65C02_IRQ_LINE, irq ? ASSERT_LINE : CLEAR_LINE);
}

TIMER_CALLBACK_MEMBER(svision_state::timer)
{
	m_timer_shot = true;
	m_timer1->enable(false);
	check_irq();
}

uint8_t svision_state::regs_r(offs_t offset)
{
	int data = m_reg[offset];
	switch (offset)
	{
		case 0x20:
			return m_joy->read();

		case 0x21:
			data &= ~0xf;
			data |= m_reg[0x22] & 0xf;
			break;

		case 0x27:
			data &= ~3;
			if (m_timer_shot)
			{
				data |= 1;
			}
			if (m_dma_finished)
			{
				data |= 2;
			}
			break;

		case 0x24:
			m_timer_shot = false;
			check_irq();
			break;

		case 0x25:
			m_dma_finished = false;
			check_irq();
			break;

		default:
			LOGREGS("%.6f svision read %04x %02x\n", machine().time().as_double(), offset, data);
			break;
	}

	return data;
}

uint8_t svisions_state::regs_r(offs_t offset)
{
	int data = m_reg[offset];
	switch (offset)
	{
		case 0x20:
			return m_joy->read();

		case 0x21:
			data &= ~0xf;
			data |= m_reg[0x22] & 0xf;
			if (!m_clock)
			{
				data &= ~4;
			}
			if (!m_data)
			{
				data &= ~8;
			}
			break;

		case 0x27:
			data &= ~3;
			if (m_timer_shot)
			{
				data |= 1;
			}
			if (m_dma_finished)
			{
				data |= 2;
			}
			break;

		case 0x24:
			m_timer_shot = false;
			check_irq();
			break;

		case 0x25:
			m_dma_finished = false;
			check_irq();
			break;

		default:
			LOGREGS("%.6f svision read %04x %02x\n", machine().time().as_double(), offset, data);
			break;
	}

	return data;
}

void svision_state::regs_w(offs_t offset, uint8_t data)
{
	m_reg[offset] = data;

	switch (offset)
	{
		case 0x02:
		case 0x03:
			break;

		case 0x26: // bits 5,6 memory management for a000?
		{
			LOGREGS("%.6f svision write %04x %02x\n", machine().time().as_double(), offset, data);
			const int bank = ((m_reg[0x26] & 0xe0) >> 5) % (m_cart_rom->bytes() / 0x4000);
			m_bank[0]->set_entry(bank);
			check_irq();
			break;
		}

		case 0x23: // delta hero irq routine write
		{
			int delay = (data == 0) ? 0x100 : data;
			delay *= (BIT(m_reg[BANK], 4)) ? 0x4000 : 0x100;
			m_timer1->enable(true);
			m_timer1->reset(m_maincpu->cycles_to_attotime(delay));
			break;
		}

		case 0x10: case 0x11: case 0x12: case 0x13:
			m_sound->soundport_w(0, offset & 3, data);
			break;

		case 0x14: case 0x15: case 0x16: case 0x17:
			m_sound->soundport_w(1, offset & 3, data);
			break;

		case 0x18: case 0x19: case 0x1a: case 0x1b: case 0x1c:
			m_sound->sounddma_w(offset - 0x18, data);
			break;

		case 0x28: case 0x29: case 0x2a:
			m_sound->noise_w(offset - 0x28, data);
			break;

		default:
			LOGREGS("%.6f svision write %04x %02x\n", machine().time().as_double(), offset, data);
			break;
	}
}

uint8_t tvlink_state::regs_r(offs_t offset)
{
	switch(offset)
	{
		default:
			if (offset >= 0x800 && offset < 0x840)
			{
				// strange effects when modifying palette
				return svision_state::regs_r(offset);
			}
			else
			{
				return svision_state::regs_r(offset);
			}
	}
}

void tvlink_state::regs_w(offs_t offset, uint8_t data)
{
	switch (offset)
	{
		case 0x0e:
			m_reg[offset] = data;
			m_palette_on = data & 1;
			if (m_palette_on)
			{
				// hack, normally initialising with palette from RAM
				m_tvlink_palette[0] = make12_rgb32(163 / 16, 172 / 16, 115 / 16); // these are the tron colors measured from screenshot
				m_tvlink_palette[1] = make12_rgb32(163 / 16, 155 / 16, 153 / 16);
				m_tvlink_palette[2] = make12_rgb32(77 / 16, 125 / 16, 73 / 16);
				m_tvlink_palette[3] = make12_rgb32(59 / 16, 24 / 16, 20 / 16);
			}
			else
			{
				// cleaner to use colors from compile time palette, or compose from "fixed" palette values
				m_tvlink_palette[0] = make12_rgb32(0, 0, 0);
				m_tvlink_palette[1] = make12_rgb32(5 * 16 / 256, 18 * 16 / 256, 9 * 16 / 256);
				m_tvlink_palette[2] = make12_rgb32(48 * 16 / 256, 76 * 16 / 256, 100 * 16 / 256);
				m_tvlink_palette[3] = make12_rgb32(190 * 16 / 256, 190 * 16 / 256, 190 * 16 / 256);
			}
			break;
		default:
			svision_state::regs_w(offset, data);
			if (offset >= 0x800 && offset < 0x840)
			{
				if (offset == 0x803 && data == 0x07)
				{
					// tron hack
					m_reg[0x0804] = 0x00;
					m_reg[0x0805] = 0x01;
					m_reg[0x0806] = 0x00;
					m_reg[0x0807] = 0x00;
				}
				uint16_t c = m_reg[0x800] | (m_reg[0x804] << 8);
				m_tvlink_palette[0] = make9_rgb32((c >> 0) & 7, (c >> 3) & 7, (c >> 6) & 7);
				c = m_reg[0x801] | (m_reg[0x805] << 8);
				m_tvlink_palette[1] = make9_rgb32((c >> 0) & 7, (c >> 3) & 7, (c >> 6) & 7);
				c = m_reg[0x802] | (m_reg[0x806]<<8);
				m_tvlink_palette[2] = make9_rgb32((c >> 0) & 7, (c >> 3) & 7, (c >> 6) & 7);
				c = m_reg[0x803] | (m_reg[0x807]<<8);
				m_tvlink_palette[3] = make9_rgb32((c >> 0) & 7, (c >> 3) & 7, (c >> 6) & 7);
				/* writes to palette effect video color immediately
				   some writes modify other registers,
				   encoding therefor not known (rgb8 or rgb9) */
			}
	}
}

void svision_state::program_map(address_map &map)
{
	map(0x0000, 0x1fff).ram();
	map(0x2000, 0x3fff).rw(FUNC(svision_state::regs_r), FUNC(svision_state::regs_w)).share(m_reg);
	map(0x4000, 0x5fff).ram().share(m_videoram);
	map(0x6000, 0x7fff).noprw();
	map(0x8000, 0xbfff).bankr(m_bank[0]);
	map(0xc000, 0xffff).bankr(m_bank[1]);
}

void svisions_state::program_map(address_map &map)
{
	svision_state::program_map(map);

	map(0x2000, 0x3fff).rw(FUNC(svisions_state::regs_r), FUNC(svisions_state::regs_w)).share(m_reg);
}

void tvlink_state::program_map(address_map &map)
{
	svision_state::program_map(map);

	map(0x2000, 0x3fff).rw(FUNC(tvlink_state::regs_r), FUNC(tvlink_state::regs_w)).share(m_reg);
}

static INPUT_PORTS_START( svision )
	PORT_START("JOY")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP   )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2) PORT_NAME("B")
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_NAME("A")
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_SELECT) PORT_NAME("Select")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START) PORT_NAME("Start/Pause")
INPUT_PORTS_END

static INPUT_PORTS_START( svisions )
	PORT_START("JOY")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_PLAYER(1)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP   ) PORT_PLAYER(1)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2) PORT_NAME("B") PORT_PLAYER(1)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_NAME("A") PORT_PLAYER(1)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_SELECT) PORT_NAME("Select") PORT_PLAYER(1)
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START) PORT_NAME("Start/Pause") PORT_PLAYER(1)

	PORT_START("JOY2")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_PLAYER(2)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP   ) PORT_PLAYER(2)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2) PORT_NAME("2nd B") PORT_PLAYER(2)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_NAME("2nd A") PORT_PLAYER(2)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_SELECT) PORT_NAME("2nd Select") PORT_PLAYER(2)
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START) PORT_NAME("2nd Start/Pause") PORT_PLAYER(2)
INPUT_PORTS_END

// most games contain their graphics in ROMs, and have hardware to draw complete rectangular objects

// palette in red, green, blue triples
static constexpr rgb_t svision_pens[] =
{
#if 0
	// greens grabbed from a scan of a handheld in its best adjustment for contrast
	{ 86, 121,  86 },
	{ 81, 115,  90 },
	{ 74, 107, 101 },
	{ 54,  78,  85 }
#else
	// grabbed from Chris Covell's black & white pics
	{ 0xe0, 0xe0, 0xe0 },
	{ 0xb9, 0xb9, 0xb9 },
	{ 0x54, 0x54, 0x54 },
	{ 0x12, 0x12, 0x12 }
#endif
};

// palette in RGB triplets
static constexpr rgb_t svisionp_pens[] =
{
	// pal
	{   1,   1,   3 },
	{   5,  18,   9 },
	{  48,  76, 100 },
	{ 190, 190, 190 }
};

// palette in RGB triplets
static constexpr rgb_t svisionn_pens[] =
{
	{   0,   0,   0 },
	{ 188, 242, 244 }, // darker
	{ 129, 204, 255 },
	{ 245, 249, 248 }
};

void svision_state::svision_palette(palette_device &palette) const
{
	palette.set_pen_colors(0, svision_pens);
}
void svision_state::svisionn_palette(palette_device &palette) const
{
	palette.set_pen_colors(0, svisionn_pens);
}
void svision_state::svisionp_palette(palette_device &palette) const
{
	palette.set_pen_colors(0, svisionp_pens);
}

uint32_t svision_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
	if (BIT(m_reg[BANK], 3))
	{
		int j = m_reg[XPOS] / 4 + m_reg[YPOS] * 0x30;
		for (int y = 0; y < 160; y++)
		{
			const int start_x = 3 - (m_reg[XPOS] & 3);
			const int end_x = std::min(163, m_reg[XSIZE] | 3);
			uint16_t *line = &bitmap.pix(y, start_x);
			for (int x = start_x, i = 0; x < end_x; x += 4, i++)
			{
				uint8_t b = m_videoram[j + i];
				for (int pix = 0; pix < 4; pix++)
				{
					*line = b & 3;
					b >>= 2;
					line++;
				}
			}
			j += 0x30;
			if (j >= 0x1fe0)
				j = 0; //sssnake
		}
	}
	else
	{
		bitmap.plot_box(3, 0, 162, 159, 0);
	}
	return 0;
}

uint32_t tvlink_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
	if (BIT(m_reg[BANK], 3))
	{
		int j = m_reg[XPOS] / 4 + m_reg[YPOS] * 0x30;
		for (int y = 0; y < 160; y++)
		{
			const int start_x = 3 - (m_reg[XPOS] & 3);
			const int end_x = std::min(163, m_reg[XSIZE] | 3);
			uint32_t *line = &bitmap.pix(y, start_x);
			for (int x = start_x, i = 0; x < end_x; x += 4, i++)
			{
				uint8_t b = m_videoram[j + i];
				for (int pix = 0; pix < 4; pix++)
				{
					*line = m_tvlink_palette[b & 3];
					b >>= 2;
					line++;
				}
			}
			j += 0x30;
			if (j >= 0x1fe0)
				j = 0; //sssnake
		}
	}
	else
	{
		bitmap.plot_box(3, 0, 162, 159, m_palette->pen(0));
	}
	return 0;
}

void svision_state::frame_int_w(int state)
{
	if (!state)
		return;

	if (BIT(m_reg[BANK], 0))
		m_maincpu->pulse_input_line(INPUT_LINE_NMI, attotime::zero);

	m_sound->sound_decrement();
}

DEVICE_IMAGE_LOAD_MEMBER(svision_state::cart_load)
{
	uint32_t size = m_cart->common_get_size("rom");

	if (size > 0x80000)
		return std::make_pair(image_error::INVALIDLENGTH, "Unsupported cartridge size (must be no larger than 512K)");

	m_cart->rom_alloc(size, GENERIC_ROM8_WIDTH, ENDIANNESS_LITTLE);
	m_cart->common_load_rom(m_cart->get_rom_base(), size, "rom");

	return std::make_pair(std::error_condition(), std::string());
}

void svision_state::machine_start()
{
	m_timer1 = timer_alloc(FUNC(svision_state::timer), this);
	m_dma_finished = false;

	std::string region_tag(m_cart->tag());
	region_tag.append(GENERIC_ROM_REGION_TAG);
	m_cart_rom = memregion(region_tag.c_str());

	if (m_cart_rom)
	{
		const int num_banks = m_cart_rom->bytes() / 0x4000;
		m_bank[0]->configure_entries(0, num_banks, m_cart_rom->base(), 0x4000);
		m_bank[1]->set_base(m_cart_rom->base() + (num_banks - 1) * 0x4000); // bank2 is set to the last bank
	}

	save_item(NAME(m_timer_shot));
	save_item(NAME(m_dma_finished));
}

void svisions_state::machine_start()
{
	svision_state::machine_start();

	m_timer = timer_alloc(FUNC(svisions_state::pet_timer), this);

	save_item(NAME(m_state));
	save_item(NAME(m_clock));
	save_item(NAME(m_data));
	save_item(NAME(m_input));
}

void tvlink_state::machine_start()
{
	svision_state::machine_start();

	save_item(NAME(m_tvlink_palette));
	save_item(NAME(m_palette_on));
}

void svision_state::machine_reset()
{
	m_timer_shot = false;
	m_dma_finished = false;
}


void tvlink_state::machine_reset()
{
	svision_state::machine_reset();

	m_palette_on = false;

	memset(m_reg + 0x800, 0xff, 0x40); // normally done from m_tvlink microcontroller
	m_reg[0x82a] = 0xdf;

	m_tvlink_palette[0] = make24_rgb32(svisionp_pens[0].r(), svisionp_pens[0].g(), svisionp_pens[0].b());
	m_tvlink_palette[1] = make24_rgb32(svisionp_pens[1].r(), svisionp_pens[1].g(), svisionp_pens[1].b());
	m_tvlink_palette[2] = make24_rgb32(svisionp_pens[2].r(), svisionp_pens[2].g(), svisionp_pens[2].b());
	m_tvlink_palette[3] = make24_rgb32(svisionp_pens[3].r(), svisionp_pens[3].g(), svisionp_pens[3].b());
}

void svision_state::svision_base(machine_config &config)
{
	config.set_default_layout(layout_svision);

	SPEAKER(config, "lspeaker").front_left();
	SPEAKER(config, "rspeaker").front_right();

	SVISION_SND(config, m_sound, 4'000'000, m_maincpu, m_bank[0]);
	m_sound->add_route(0, "lspeaker", 0.50);
	m_sound->add_route(1, "rspeaker", 0.50);
	m_sound->irq_cb().set(FUNC(svision_state::sound_irq_w));

	GENERIC_CARTSLOT(config, m_cart, generic_plain_slot, "svision_cart", "bin,ws,sv");
	m_cart->set_must_be_loaded(true);
	m_cart->set_device_load(FUNC(svision_state::cart_load));

	SOFTWARE_LIST(config, "cart_list").set_original("svision");
}

void svision_state::svision(machine_config &config)
{
	svision_base(config);

	M65C02(config, m_maincpu, 4'000'000);
	m_maincpu->set_addrmap(AS_PROGRAM, &svision_state::program_map);

	SCREEN(config, m_screen, SCREEN_TYPE_LCD);
	m_screen->set_refresh_hz(61);
	m_screen->set_size(3+160+3, 160);
	m_screen->set_visarea(3+0, 3+160-1, 0, 160-1);
	m_screen->set_screen_update(FUNC(svision_state::screen_update));
	m_screen->set_palette(m_palette);
	m_screen->screen_vblank().set(FUNC(svision_state::frame_int_w));

	PALETTE(config, m_palette, FUNC(svision_state::svision_palette), std::size(svision_pens));
}

void svisions_state::svisions(machine_config &config)
{
	svision(config);

	m_maincpu->set_addrmap(AS_PROGRAM, &svisions_state::program_map);

	TIMER(config, "pet_timer").configure_periodic(FUNC(svisions_state::pet_timer_dev), attotime::from_seconds(8));
}

void svision_state::svisionp(machine_config &config)
{
	svision(config);

	m_maincpu->set_clock(4'430'000);

	m_screen->set_refresh(HZ_TO_ATTOSECONDS(50));

	m_palette->set_init(FUNC(svision_state::svisionp_palette));
}

void svision_state::svisionn(machine_config &config)
{
	svision(config);

	m_maincpu->set_clock(3'560'000); // ?

	m_screen->set_refresh(HZ_TO_ATTOSECONDS(60));

	m_palette->set_init(FUNC(svision_state::svisionn_palette));
}

void tvlink_state::tvlinkp(machine_config &config)
{
	svisionp(config);

	m_maincpu->set_addrmap(AS_PROGRAM, &tvlink_state::program_map);

	m_screen->set_no_palette();
	m_screen->set_screen_update(FUNC(tvlink_state::screen_update));
}

ROM_START(svision)
	ROM_REGION(0x80000, "maincpu", ROMREGION_ERASE00)
ROM_END

ROM_START(tvlinkp)
	ROM_REGION(0x80000, "maincpu", ROMREGION_ERASE00)

	ROM_REGION(0x10000, "bezel", 0)
	ROM_LOAD( "9307md_512d.glob", 0x00000, 0x10000, CRC(bc8b981b) SHA1(3328da4fd9462286e8cefe4372ffd17c8f5a229e) )
ROM_END

} // anonymous namespace


/***************************************************************************

  Game driver(s)

***************************************************************************/

#define rom_svisions rom_svision
#define rom_svisionn rom_svision
#define rom_svisionp rom_svision

//    YEAR  NAME      PARENT   COMPAT  MACHINE   INPUT     STATE           INIT           COMPANY   FULLNAME                                       FLAGS
// marketed under a ton of firms and names
CONS(1992,  svision,  0,       0,      svision,  svision,  svision_state,  empty_init,    "Watara", "Super Vision",                                MACHINE_SUPPORTS_SAVE )
// svdual 2 connected via communication port
CONS( 1992, svisions, svision, 0,      svisions, svisions, svisions_state, empty_init,    "Watara", "Super Vision (PeT Communication Simulation)", MACHINE_SUPPORTS_SAVE )

CONS( 1993, svisionp, svision, 0,      svisionp, svision,  svision_state,  empty_init,    "Watara", "Super Vision (PAL TV Link Colored)",          MACHINE_SUPPORTS_SAVE )
CONS( 1993, svisionn, svision, 0,      svisionn, svision,  svision_state,  empty_init,    "Watara", "Super Vision (NTSC TV Link Colored)",         MACHINE_SUPPORTS_SAVE )
// svtvlink (2 supervisions)
// tvlink (pad supervision simulated)
CONS( 199?, tvlinkp,  svision, 0,      tvlinkp,  svision,  tvlink_state,   empty_init,    "Watara", "TV Link PAL",                                 MACHINE_SUPPORTS_SAVE )