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path: root/src/mame/drivers/hp9k_3xx.cpp
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// license:BSD-3-Clause
// copyright-holders:R. Belmont
/***************************************************************************

  hp9k3xx.c: preliminary driver for HP9000 300 Series (aka HP9000/3xx)
  By R. Belmont

  TODO: Add DIO/DIO-II slot capability and modularize the video cards

  Currently supporting:

  310:
      MC68010 CPU @ 10 MHz
      HP custom MMU

  320:
      MC68020 CPU @ 16.67 MHz
      HP custom MMU
      MC68881 FPU

  330:
      MC68020 CPU @ 16.67 MHz
      MC68851 MMU
      MC68881 FPU

  340:
      MC68030 CPU @ 16.67 MHz w/built-in MMU
      MC68881 FPU

  370:
      MC68030 CPU @ 33 MHz w/built-in MMU
      MC68881 FPU

  380:
    MC68040 CPU @ 25 MHz w/built-in MMU and FPU

  382:
    MC68040 CPU @ 25? MHz w/built-in MMU and FPU
    Built-in VGA compatible video

  All models have an MC6840 PIT on IRQ6 clocked at 250 kHz.

  TODO:
    BBCADDR   0x420000
    RTC_DATA: 0x420001
    RTC_CMD:  0x420003
    HIL:      0x428000
    HPIB:     0x470000
    KBDNMIST: 0x478005
    DMA:      0x500000
    FRAMEBUF: 0x560000

    6840:     0x5F8001/3/5/7/9, IRQ 6

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

#include "emu.h"
#include "logmacro.h"
#include "cpu/m68000/m68000.h"
#include "cpu/mcs48/mcs48.h"
#include "machine/6840ptm.h"
#include "machine/tms9914.h"
#include "sound/sn76496.h"
#include "bus/hp_dio/hp_dio.h"
#include "bus/hp_dio/hp98544.h"
#include "bus/hp_hil/hp_hil.h"
#include "bus/hp_hil/hil_devices.h"
#include "bus/hp_dio/hp98603a.h"
#include "bus/hp_dio/hp98603b.h"
#include "bus/hp_dio/hp98644.h"
#include "bus/ieee488/ieee488.h"
#include "screen.h"
#include "speaker.h"

#define MAINCPU_TAG "maincpu"
#define IOCPU_TAG "iocpu"
#define PTM6840_TAG "ptm"
#define MLC_TAG "mlc"
#define SN76494_TAG "sn76494"

#define SN76494_CLOCK 333333

class hp9k3xx_state : public driver_device
{
public:
	hp9k3xx_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag),
		m_maincpu(*this, MAINCPU_TAG),
		m_iocpu(*this, IOCPU_TAG),
		m_mlc(*this, MLC_TAG),
		m_sound(*this, SN76494_TAG),
		m_tms9914(*this, "tms9914"),
		m_vram16(*this, "vram16"),
		m_vram(*this, "vram")
		{ }

	required_device<cpu_device> m_maincpu;
	optional_device<i8042_device> m_iocpu;
	optional_device<hp_hil_mlc_device> m_mlc;
	optional_device<sn76494_device> m_sound;
	optional_device<tms9914_device> m_tms9914;
	virtual void machine_reset() override;

	optional_shared_ptr<uint16_t> m_vram16;
	optional_shared_ptr<uint32_t> m_vram;

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

	DECLARE_READ16_MEMBER(buserror16_r);
	DECLARE_WRITE16_MEMBER(buserror16_w);
	DECLARE_READ32_MEMBER(buserror_r);
	DECLARE_WRITE32_MEMBER(buserror_w);

	/* 8042 interface */
	DECLARE_WRITE8_MEMBER(iocpu_port1_w);
	DECLARE_WRITE8_MEMBER(iocpu_port2_w);
	DECLARE_READ8_MEMBER(iocpu_port1_r);
	DECLARE_READ8_MEMBER(iocpu_test0_r);

	DECLARE_READ8_MEMBER(gpib_r);
	DECLARE_WRITE8_MEMBER(gpib_w);

	DECLARE_WRITE_LINE_MEMBER(gpib_irq);
	DECLARE_WRITE32_MEMBER(led_w)
	{
		if (mem_mask != 0x000000ff)
		{
			return;
		}
#if 0
		printf("LED: %02x  (", data&0xff);
		for (int i = 7; i >= 0; i--)
		{
			if (data & (1 << i))
			{
				printf("o");
			}
			else
			{
				printf("*");
			}
		}
		printf(")\n");
#endif
	}

	void hp9k370(machine_config &config);
	void hp9k330(machine_config &config);
	void hp9k382(machine_config &config);
	void hp9k310(machine_config &config);
	void hp9k340(machine_config &config);
	void hp9k380(machine_config &config);
	void hp9k320(machine_config &config);
	void hp9k332(machine_config &config);
	void hp9k310_map(address_map &map);
	void hp9k320_map(address_map &map);
	void hp9k330_map(address_map &map);
	void hp9k332_map(address_map &map);
	void hp9k370_map(address_map &map);
	void hp9k380_map(address_map &map);
	void hp9k382_map(address_map &map);
	void hp9k3xx_common(address_map &map);
	void iocpu_map(address_map &map);
private:
	bool m_hil_read;
	uint8_t m_hil_data;
	uint8_t m_latch_data;
	uint32_t m_lastpc;
	bool gpib_irq_line;
};

uint32_t hp9k3xx_state::hp_medres_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
	uint32_t *scanline;
	int x, y;
	uint32_t pixels;
	uint32_t m_palette[2] = { 0x00000000, 0xffffffff };

	for (y = 0; y < 390; y++)
	{
		scanline = &bitmap.pix32(y);
		for (x = 0; x < 512/4; x++)
		{
			pixels = m_vram[(y * 256) + x];

			*scanline++ = m_palette[(pixels>>24) & 1];
			*scanline++ = m_palette[(pixels>>16) & 1];
			*scanline++ = m_palette[(pixels>>8) & 1];
			*scanline++ = m_palette[(pixels & 1)];
		}
	}

	return 0;
}

// shared mappings for all 9000/3xx systems
void hp9k3xx_state::hp9k3xx_common(address_map &map)
{
	map(0x00000000, 0xffffffff).rw(this, FUNC(hp9k3xx_state::buserror_r), FUNC(hp9k3xx_state::buserror_w));
	map(0x00000000, 0x0001ffff).rom().region("maincpu", 0).w(this, FUNC(hp9k3xx_state::led_w));  // writes to 1fffc are the LED

	map(0x00428000, 0x00428003).rw(m_iocpu, FUNC(upi41_cpu_device::upi41_master_r), FUNC(upi41_cpu_device::upi41_master_w)).umask32(0x00ff00ff);
	map(0x00470000, 0x0047ffff).rw(this, FUNC(hp9k3xx_state::gpib_r), FUNC(hp9k3xx_state::gpib_w)).umask16(0x00ff);

	map(0x005f8000, 0x005f800f).rw(PTM6840_TAG, FUNC(ptm6840_device::read), FUNC(ptm6840_device::write)).umask32(0x00ff00ff);

	map(0x005f4000, 0x005f400f).ram(); // somehow coprocessor related - bootrom crashes if not present

}

// 9000/310 - has onboard video that the graphics card used in other 3xxes conflicts with
void hp9k3xx_state::hp9k310_map(address_map &map)
{
	map(0x000000, 0x01ffff).rom().region("maincpu", 0).nopw();  // writes to 1fffc are the LED

	map(0x428000, 0x428003).rw(m_iocpu, FUNC(upi41_cpu_device::upi41_master_r), FUNC(upi41_cpu_device::upi41_master_w)).umask16(0x00ff);
	map(0x470000, 0x47800f).rw(this, FUNC(hp9k3xx_state::gpib_r), FUNC(hp9k3xx_state::gpib_w)).umask16(0x00ff);

	map(0x510000, 0x510003).rw(this, FUNC(hp9k3xx_state::buserror16_r), FUNC(hp9k3xx_state::buserror16_w));   // no "Alpha display"
	map(0x538000, 0x538003).rw(this, FUNC(hp9k3xx_state::buserror16_r), FUNC(hp9k3xx_state::buserror16_w));   // no "Graphics"
	map(0x5c0000, 0x5c0003).rw(this, FUNC(hp9k3xx_state::buserror16_r), FUNC(hp9k3xx_state::buserror16_w));   // no add-on FP coprocessor

	map(0x5f8000, 0x5f800f).rw(PTM6840_TAG, FUNC(ptm6840_device::read), FUNC(ptm6840_device::write)).umask16(0x00ff);
	map(0x600000, 0x7fffff).rw(this, FUNC(hp9k3xx_state::buserror16_r), FUNC(hp9k3xx_state::buserror16_w));   // prevent reading invalid DIO slots
	map(0x800000, 0xffffff).ram();
}

// 9000/320
void hp9k3xx_state::hp9k320_map(address_map &map)
{
	hp9k3xx_common(map);

	// unknown, but bootrom crashes without
	map(0x00510000, 0x00510fff).ram();
	map(0x00516000, 0x00516fff).ram();
	map(0x00440000, 0x0044ffff).ram();

	// main memory
	map(0xfff00000, 0xffffffff).ram();
}

// 9000/330 and 9000/340
void hp9k3xx_state::hp9k330_map(address_map &map)
{
	hp9k3xx_common(map);

	map(0xffb00000, 0xffbfffff).rw(this, FUNC(hp9k3xx_state::buserror_r), FUNC(hp9k3xx_state::buserror_w));
	map(0xffc00000, 0xffffffff).ram();
}

// 9000/332, with built-in medium-res video
void hp9k3xx_state::hp9k332_map(address_map &map)
{
	hp9k3xx_common(map);

	map(0x00200000, 0x002fffff).ram().share("vram");    // 98544 mono framebuffer
	map(0x00560000, 0x00563fff).rom().region("graphics", 0x0000);   // 98544 mono ROM

	map(0xffb00000, 0xffbfffff).rw(this, FUNC(hp9k3xx_state::buserror_r), FUNC(hp9k3xx_state::buserror_w));
	map(0xffc00000, 0xffffffff).ram();
}

// 9000/370 - 8 MB RAM standard
void hp9k3xx_state::hp9k370_map(address_map &map)
{
	hp9k3xx_common(map);

	map(0xff700000, 0xff7fffff).rw(this, FUNC(hp9k3xx_state::buserror_r), FUNC(hp9k3xx_state::buserror_w));
	map(0xff800000, 0xffffffff).ram();
}

// 9000/380 - '040
void hp9k3xx_state::hp9k380_map(address_map &map)
{
	hp9k3xx_common(map);

	map(0x0051a000, 0x0051afff).rw(this, FUNC(hp9k3xx_state::buserror_r), FUNC(hp9k3xx_state::buserror_w));   // no "Alpha display"

	map(0xc0000000, 0xff7fffff).rw(this, FUNC(hp9k3xx_state::buserror_r), FUNC(hp9k3xx_state::buserror_w));
	map(0xff800000, 0xffffffff).ram();
}

// 9000/382 - onboard VGA compatible video (where?)
void hp9k3xx_state::hp9k382_map(address_map &map)
{
	hp9k3xx_common(map);

	map(0xffb00000, 0xffbfffff).rw(this, FUNC(hp9k3xx_state::buserror_r), FUNC(hp9k3xx_state::buserror_w));
	map(0xffc00000, 0xffffffff).ram();

	map(0x0051a000, 0x0051afff).rw(this, FUNC(hp9k3xx_state::buserror_r), FUNC(hp9k3xx_state::buserror_w));   // no "Alpha display"
}

void hp9k3xx_state::iocpu_map(address_map &map)
{
}

uint32_t hp9k3xx_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
	return 0;
}

/* Input ports */
static INPUT_PORTS_START( hp9k330 )
INPUT_PORTS_END


void hp9k3xx_state::machine_reset()
{
}

WRITE_LINE_MEMBER(hp9k3xx_state::gpib_irq)
{
	gpib_irq_line = state;
	m_maincpu->set_input_line(M68K_IRQ_3, state ? ASSERT_LINE : CLEAR_LINE);
}

WRITE8_MEMBER(hp9k3xx_state::gpib_w)
{
	offset &= 0xf;

	if (offset >= 0x08) {
		m_tms9914->reg8_w(space, offset & 0x07, data);
		return;
	}
	LOG("gpib_w: %s %02X = %02X\n", machine().describe_context().c_str(), offset, data);
}

READ8_MEMBER(hp9k3xx_state::gpib_r)
{
	uint8_t data = 0xff;

	offset &= 0xf;

	if (offset >= 0x8) {
		data = m_tms9914->reg8_r(space, offset & 0x07);
		return data;
	}

	switch(offset) {
	case 0: /* ID */
		data = 0x80;
		break;
	case 1:
		/* Int control */
		data = 0x80 | (gpib_irq_line ? 0x40 : 0);
		break;
	case 2:
		/* Address */
		data = (m_tms9914->cont_r() ? 0x0 : 0x40) | 0x81;
		break;
	}
	LOG("gpib_r: %s %02X = %02X\n", machine().describe_context().c_str(), offset, data);
	return data;
}

READ16_MEMBER(hp9k3xx_state::buserror16_r)
{
	m_maincpu->set_input_line(M68K_LINE_BUSERROR, ASSERT_LINE);
	m_maincpu->set_input_line(M68K_LINE_BUSERROR, CLEAR_LINE);
	m_lastpc = machine().device<cpu_device>("maincpu")->pc();
	return 0;
}

WRITE16_MEMBER(hp9k3xx_state::buserror16_w)
{
	if (m_lastpc == machine().device<cpu_device>("maincpu")->pc()) {
		logerror("%s: ignoring r-m-w double bus error\n", __FUNCTION__);
		return;
	}

	m_maincpu->set_input_line(M68K_LINE_BUSERROR, ASSERT_LINE);
	m_maincpu->set_input_line(M68K_LINE_BUSERROR, CLEAR_LINE);
}

READ32_MEMBER(hp9k3xx_state::buserror_r)
{
	m_maincpu->set_input_line(M68K_LINE_BUSERROR, ASSERT_LINE);
	m_maincpu->set_input_line(M68K_LINE_BUSERROR, CLEAR_LINE);
	m_lastpc = machine().device<cpu_device>("maincpu")->pc();
	return 0;
}

WRITE32_MEMBER(hp9k3xx_state::buserror_w)
{
	if (m_lastpc == machine().device<cpu_device>("maincpu")->pc()) {
		logerror("%s: ignoring r-m-w double bus error\n", __FUNCTION__);
		return;
	}
	m_maincpu->set_input_line(M68K_LINE_BUSERROR, ASSERT_LINE);
	m_maincpu->set_input_line(M68K_LINE_BUSERROR, CLEAR_LINE);
}

WRITE8_MEMBER(hp9k3xx_state::iocpu_port1_w)
{
	m_hil_data = data;
}

static constexpr uint8_t HIL_CS = 0x01;
static constexpr uint8_t HIL_WE = 0x02;
static constexpr uint8_t HIL_OE = 0x04;
static constexpr uint8_t LATCH_EN = 0x08;
static constexpr uint8_t SN76494_EN = 0x80;

WRITE8_MEMBER(hp9k3xx_state::iocpu_port2_w)
{
	if ((data & (HIL_CS|HIL_WE)) == 0)
		m_mlc->write(space, (m_latch_data & 0xc0) >> 6, m_hil_data, 0xff);

	if ((data & SN76494_EN) == 0)
		m_sound->write(m_hil_data);

	m_hil_read = ((data & (HIL_CS|HIL_OE)) == 0);

	if (!(data & LATCH_EN))
		m_latch_data = m_hil_data;

	m_maincpu->set_input_line(M68K_IRQ_1, data & 0x10 ? ASSERT_LINE : CLEAR_LINE);
}

READ8_MEMBER(hp9k3xx_state::iocpu_port1_r)
{
	if (m_hil_read)
		return m_mlc->read(space, (m_latch_data & 0xc0) >> 6, 0xff);
	return 0xff;
}

READ8_MEMBER(hp9k3xx_state::iocpu_test0_r)
{
	return !m_mlc->get_int();
}

static void dio16_cards(device_slot_interface &device)
{
	device.option_add("98544", HPDIO_98544); /* 98544 High Resolution Monochrome Card */
	device.option_add("98603a", HPDIO_98603A); /* 98603A ROM BASIC (4.0) */
	device.option_add("98603b", HPDIO_98603B); /* 98603B ROM BASIC (5.1) */
	device.option_add("98644", HPDIO_98644); /* 98644 Async serial interface */
}

MACHINE_CONFIG_START(hp9k3xx_state::hp9k310)
	/* basic machine hardware */
	MCFG_DEVICE_ADD(MAINCPU_TAG, M68010, 10000000)
	MCFG_DEVICE_PROGRAM_MAP(hp9k310_map)

	MCFG_DEVICE_ADD(IOCPU_TAG, I8042, 5000000)
	MCFG_DEVICE_PROGRAM_MAP(iocpu_map)
	MCFG_MCS48_PORT_P1_OUT_CB(WRITE8(*this, hp9k3xx_state, iocpu_port1_w))
	MCFG_MCS48_PORT_P2_OUT_CB(WRITE8(*this, hp9k3xx_state, iocpu_port2_w))
	MCFG_MCS48_PORT_P1_IN_CB(READ8(*this, hp9k3xx_state, iocpu_port1_r))
	MCFG_MCS48_PORT_T0_IN_CB(READ8(*this, hp9k3xx_state, iocpu_test0_r))

	MCFG_DEVICE_ADD(MLC_TAG, HP_HIL_MLC, XTAL(15'920'000)/2)
	MCFG_HP_HIL_SLOT_ADD(MLC_TAG, "hil1", hp_hil_devices, "hp_46021a")

	MCFG_DEVICE_ADD(PTM6840_TAG, PTM6840, 250000) // from oscillator module next to the 6840
	MCFG_PTM6840_EXTERNAL_CLOCKS(250000.0f, 0.0f, 250000.0f)
	MCFG_PTM6840_O3_CB(WRITELINE(PTM6840_TAG, ptm6840_device , set_c2))

	SPEAKER(config, "mono").front_center();
	MCFG_DEVICE_ADD(SN76494_TAG, SN76494, SN76494_CLOCK)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.75)

	MCFG_DEVICE_ADD("diobus", DIO16, 0)
	MCFG_DIO16_CPU(":maincpu")
	MCFG_DIO16_SLOT_ADD("diobus", "sl1", dio16_cards, "98544", true)
	MCFG_DIO16_SLOT_ADD("diobus", "sl2", dio16_cards, "98603b", true)
	MCFG_DIO16_SLOT_ADD("diobus", "sl3", dio16_cards, "98644", true)
	MCFG_DIO16_SLOT_ADD("diobus", "sl4", dio16_cards, nullptr, false)

	MCFG_DEVICE_ADD("tms9914", TMS9914, XTAL(5000000))
	MCFG_TMS9914_INT_WRITE_CB(WRITELINE(*this, hp9k3xx_state, gpib_irq));
	MCFG_TMS9914_DIO_READWRITE_CB(READ8(IEEE488_TAG, ieee488_device, dio_r), WRITE8(IEEE488_TAG, ieee488_device, dio_w))
	MCFG_TMS9914_EOI_WRITE_CB(WRITELINE(IEEE488_TAG, ieee488_device, eoi_w))
	MCFG_TMS9914_DAV_WRITE_CB(WRITELINE(IEEE488_TAG, ieee488_device, dav_w))
	MCFG_TMS9914_NRFD_WRITE_CB(WRITELINE(IEEE488_TAG, ieee488_device, nrfd_w))
	MCFG_TMS9914_NDAC_WRITE_CB(WRITELINE(IEEE488_TAG, ieee488_device, ndac_w))
	MCFG_TMS9914_IFC_WRITE_CB(WRITELINE(IEEE488_TAG, ieee488_device, ifc_w))
	MCFG_TMS9914_SRQ_WRITE_CB(WRITELINE(IEEE488_TAG, ieee488_device, srq_w))
	MCFG_TMS9914_ATN_WRITE_CB(WRITELINE(IEEE488_TAG, ieee488_device, atn_w))
	MCFG_TMS9914_REN_WRITE_CB(WRITELINE(IEEE488_TAG, ieee488_device, ren_w))

	MCFG_IEEE488_SLOT_ADD("ieee0", 0, hp_ieee488_devices, "hp9895")
	MCFG_IEEE488_SLOT_ADD("ieee_rem", 0, remote488_devices, nullptr)
	MCFG_IEEE488_BUS_ADD()

	MCFG_IEEE488_EOI_CALLBACK(WRITELINE("tms9914", tms9914_device, eoi_w))
	MCFG_IEEE488_DAV_CALLBACK(WRITELINE("tms9914", tms9914_device, dav_w))
	MCFG_IEEE488_NRFD_CALLBACK(WRITELINE("tms9914", tms9914_device, nrfd_w))
	MCFG_IEEE488_NDAC_CALLBACK(WRITELINE("tms9914", tms9914_device, ndac_w))
	MCFG_IEEE488_IFC_CALLBACK(WRITELINE("tms9914", tms9914_device, ifc_w))
	MCFG_IEEE488_SRQ_CALLBACK(WRITELINE("tms9914", tms9914_device, srq_w))
	MCFG_IEEE488_ATN_CALLBACK(WRITELINE("tms9914", tms9914_device, atn_w))
	MCFG_IEEE488_REN_CALLBACK(WRITELINE("tms9914", tms9914_device, ren_w))
MACHINE_CONFIG_END

MACHINE_CONFIG_START(hp9k3xx_state::hp9k320)
	/* basic machine hardware */
	MCFG_DEVICE_ADD(MAINCPU_TAG, M68020FPU, 16670000)
	MCFG_DEVICE_PROGRAM_MAP(hp9k320_map)

	MCFG_DEVICE_ADD(IOCPU_TAG, I8042, 5000000)
	MCFG_DEVICE_PROGRAM_MAP(iocpu_map)
	MCFG_MCS48_PORT_P1_OUT_CB(WRITE8(*this, hp9k3xx_state, iocpu_port1_w))
	MCFG_MCS48_PORT_P2_OUT_CB(WRITE8(*this, hp9k3xx_state, iocpu_port2_w))
	MCFG_MCS48_PORT_P1_IN_CB(READ8(*this, hp9k3xx_state, iocpu_port1_r))
	MCFG_MCS48_PORT_T0_IN_CB(READ8(*this, hp9k3xx_state, iocpu_test0_r))

	MCFG_DEVICE_ADD(MLC_TAG, HP_HIL_MLC, XTAL(15'920'000)/2)
	MCFG_HP_HIL_SLOT_ADD(MLC_TAG, "hil1", hp_hil_devices, "hp_46021a")

	MCFG_DEVICE_ADD(PTM6840_TAG, PTM6840, 250000) // from oscillator module next to the 6840
	MCFG_PTM6840_EXTERNAL_CLOCKS(250000.0f, 250000.0f, 250000.0f)

	SPEAKER(config, "mono").front_center();
	MCFG_DEVICE_ADD(SN76494_TAG, SN76494, SN76494_CLOCK)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.75)

	MCFG_DEVICE_ADD("diobus", DIO32, 0)
	MCFG_DIO32_CPU(":maincpu")
	MCFG_DIO32_SLOT_ADD("diobus", "sl1", dio16_cards, "98544", true)
	MCFG_DIO16_SLOT_ADD("diobus", "sl2", dio16_cards, "98603b", true)
	MCFG_DIO16_SLOT_ADD("diobus", "sl3", dio16_cards, "98644", true)
	MCFG_DIO32_SLOT_ADD("diobus", "sl4", dio16_cards, nullptr, false)

	MCFG_DEVICE_ADD("tms9914", TMS9914, XTAL(5000000))
	MCFG_TMS9914_INT_WRITE_CB(WRITELINE(*this, hp9k3xx_state, gpib_irq));
	MCFG_TMS9914_DIO_READWRITE_CB(READ8(IEEE488_TAG, ieee488_device, dio_r), WRITE8(IEEE488_TAG, ieee488_device, dio_w))
	MCFG_TMS9914_EOI_WRITE_CB(WRITELINE(IEEE488_TAG, ieee488_device, eoi_w))
	MCFG_TMS9914_DAV_WRITE_CB(WRITELINE(IEEE488_TAG, ieee488_device, dav_w))
	MCFG_TMS9914_NRFD_WRITE_CB(WRITELINE(IEEE488_TAG, ieee488_device, nrfd_w))
	MCFG_TMS9914_NDAC_WRITE_CB(WRITELINE(IEEE488_TAG, ieee488_device, ndac_w))
	MCFG_TMS9914_IFC_WRITE_CB(WRITELINE(IEEE488_TAG, ieee488_device, ifc_w))
	MCFG_TMS9914_SRQ_WRITE_CB(WRITELINE(IEEE488_TAG, ieee488_device, srq_w))
	MCFG_TMS9914_ATN_WRITE_CB(WRITELINE(IEEE488_TAG, ieee488_device, atn_w))
	MCFG_TMS9914_REN_WRITE_CB(WRITELINE(IEEE488_TAG, ieee488_device, ren_w))

	MCFG_IEEE488_SLOT_ADD("ieee0", 0, hp_ieee488_devices, "hp9895")
	MCFG_IEEE488_SLOT_ADD("ieee_rem", 0, remote488_devices, nullptr)
	MCFG_IEEE488_BUS_ADD()

	MCFG_IEEE488_EOI_CALLBACK(WRITELINE("tms9914", tms9914_device, eoi_w))
	MCFG_IEEE488_DAV_CALLBACK(WRITELINE("tms9914", tms9914_device, dav_w))
	MCFG_IEEE488_NRFD_CALLBACK(WRITELINE("tms9914", tms9914_device, nrfd_w))
	MCFG_IEEE488_NDAC_CALLBACK(WRITELINE("tms9914", tms9914_device, ndac_w))
	MCFG_IEEE488_IFC_CALLBACK(WRITELINE("tms9914", tms9914_device, ifc_w))
	MCFG_IEEE488_SRQ_CALLBACK(WRITELINE("tms9914", tms9914_device, srq_w))
	MCFG_IEEE488_ATN_CALLBACK(WRITELINE("tms9914", tms9914_device, atn_w))
	MCFG_IEEE488_REN_CALLBACK(WRITELINE("tms9914", tms9914_device, ren_w))
MACHINE_CONFIG_END

MACHINE_CONFIG_START(hp9k3xx_state::hp9k330)
	hp9k320(config);
	/* basic machine hardware */
	MCFG_DEVICE_REPLACE(MAINCPU_TAG, M68020PMMU, 16670000)
	MCFG_DEVICE_PROGRAM_MAP(hp9k330_map)
MACHINE_CONFIG_END

MACHINE_CONFIG_START(hp9k3xx_state::hp9k332)
	/* basic machine hardware */
	MCFG_DEVICE_ADD(MAINCPU_TAG, M68020PMMU, 16670000)
	MCFG_DEVICE_PROGRAM_MAP(hp9k332_map)

	MCFG_DEVICE_ADD(IOCPU_TAG, I8042, 5000000)
	MCFG_DEVICE_PROGRAM_MAP(iocpu_map)
	MCFG_MCS48_PORT_P1_OUT_CB(WRITE8(*this, hp9k3xx_state, iocpu_port1_w))
	MCFG_MCS48_PORT_P2_OUT_CB(WRITE8(*this, hp9k3xx_state, iocpu_port2_w))
	MCFG_MCS48_PORT_P1_IN_CB(READ8(*this, hp9k3xx_state, iocpu_port1_r))
	MCFG_MCS48_PORT_T0_IN_CB(READ8(*this, hp9k3xx_state, iocpu_test0_r))

	MCFG_DEVICE_ADD(MLC_TAG, HP_HIL_MLC, XTAL(15'920'000)/2)
	MCFG_HP_HIL_SLOT_ADD(MLC_TAG, "hil1", hp_hil_devices, "hp_46021a")

	MCFG_DEVICE_ADD(PTM6840_TAG, PTM6840, 250000) // from oscillator module next to the 6840
	MCFG_PTM6840_EXTERNAL_CLOCKS(250000.0f, 250000.0f, 250000.0f)

	SPEAKER(config, "mono").front_center();
	MCFG_DEVICE_ADD(SN76494_TAG, SN76494, SN76494_CLOCK)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.75)

	MCFG_SCREEN_ADD( "screen", RASTER)
	MCFG_SCREEN_UPDATE_DRIVER(hp9k3xx_state, hp_medres_update)
	MCFG_SCREEN_SIZE(512,390)
	MCFG_SCREEN_VISIBLE_AREA(0, 512-1, 0, 390-1)
	MCFG_SCREEN_REFRESH_RATE(70)

	MCFG_DEVICE_ADD("tms9914", TMS9914, XTAL(5000000))
	MCFG_TMS9914_INT_WRITE_CB(WRITELINE(*this, hp9k3xx_state, gpib_irq));
	MCFG_TMS9914_DIO_READWRITE_CB(READ8(IEEE488_TAG, ieee488_device, dio_r), WRITE8(IEEE488_TAG, ieee488_device, dio_w))
	MCFG_TMS9914_EOI_WRITE_CB(WRITELINE(IEEE488_TAG, ieee488_device, eoi_w))
	MCFG_TMS9914_DAV_WRITE_CB(WRITELINE(IEEE488_TAG, ieee488_device, dav_w))
	MCFG_TMS9914_NRFD_WRITE_CB(WRITELINE(IEEE488_TAG, ieee488_device, nrfd_w))
	MCFG_TMS9914_NDAC_WRITE_CB(WRITELINE(IEEE488_TAG, ieee488_device, ndac_w))
	MCFG_TMS9914_IFC_WRITE_CB(WRITELINE(IEEE488_TAG, ieee488_device, ifc_w))
	MCFG_TMS9914_SRQ_WRITE_CB(WRITELINE(IEEE488_TAG, ieee488_device, srq_w))
	MCFG_TMS9914_ATN_WRITE_CB(WRITELINE(IEEE488_TAG, ieee488_device, atn_w))
	MCFG_TMS9914_REN_WRITE_CB(WRITELINE(IEEE488_TAG, ieee488_device, ren_w))

	MCFG_IEEE488_SLOT_ADD("ieee0", 0, hp_ieee488_devices, "hp9895")
	MCFG_IEEE488_SLOT_ADD("ieee_rem", 0, remote488_devices, nullptr)
	MCFG_IEEE488_BUS_ADD()

	MCFG_IEEE488_EOI_CALLBACK(WRITELINE("tms9914", tms9914_device, eoi_w))
	MCFG_IEEE488_DAV_CALLBACK(WRITELINE("tms9914", tms9914_device, dav_w))
	MCFG_IEEE488_NRFD_CALLBACK(WRITELINE("tms9914", tms9914_device, nrfd_w))
	MCFG_IEEE488_NDAC_CALLBACK(WRITELINE("tms9914", tms9914_device, ndac_w))
	MCFG_IEEE488_IFC_CALLBACK(WRITELINE("tms9914", tms9914_device, ifc_w))
	MCFG_IEEE488_SRQ_CALLBACK(WRITELINE("tms9914", tms9914_device, srq_w))
	MCFG_IEEE488_ATN_CALLBACK(WRITELINE("tms9914", tms9914_device, atn_w))
	MCFG_IEEE488_REN_CALLBACK(WRITELINE("tms9914", tms9914_device, ren_w))
MACHINE_CONFIG_END

MACHINE_CONFIG_START(hp9k3xx_state::hp9k340)
	hp9k320(config);
	/* basic machine hardware */
	MCFG_DEVICE_REPLACE(MAINCPU_TAG, M68030, 16670000)
	MCFG_DEVICE_PROGRAM_MAP(hp9k330_map)
MACHINE_CONFIG_END

MACHINE_CONFIG_START(hp9k3xx_state::hp9k370)
	hp9k320(config);
	/* basic machine hardware */
	MCFG_DEVICE_REPLACE(MAINCPU_TAG, M68030, 33000000)
	MCFG_DEVICE_PROGRAM_MAP(hp9k370_map)
MACHINE_CONFIG_END

MACHINE_CONFIG_START(hp9k3xx_state::hp9k380)
	hp9k320(config);
	/* basic machine hardware */
	MCFG_DEVICE_REPLACE(MAINCPU_TAG, M68040, 25000000)
	MCFG_DEVICE_PROGRAM_MAP(hp9k380_map)
MACHINE_CONFIG_END

MACHINE_CONFIG_START(hp9k3xx_state::hp9k382)
	hp9k320(config);
	/* basic machine hardware */
	MCFG_DEVICE_REPLACE(MAINCPU_TAG, M68040, 25000000)
	MCFG_DEVICE_PROGRAM_MAP(hp9k382_map)
MACHINE_CONFIG_END

ROM_START( hp9k310 )
	ROM_REGION( 0x20000, MAINCPU_TAG, 0 )
	ROM_LOAD16_BYTE( "1818-3771.bin", 0x000001, 0x008000, CRC(b9e4e3ad) SHA1(ed6f1fad94a15d95362701dbe124b52877fc3ec4) )
	ROM_LOAD16_BYTE( "1818-3772.bin", 0x000000, 0x008000, CRC(a3665919) SHA1(ec1bc7e5b7990a1b09af947a06401e8ed3cb0516) )

	ROM_REGION( 0x800, IOCPU_TAG, 0 )
	ROM_LOAD( "1820-4784_1.bin", 0x000000, 0x000800, CRC(e929044a) SHA1(90849a10bdb8c6e38e73ce027c9c0ad8b3956b1b) )
	ROM_LOAD( "1820-4784_2.bin", 0x000000, 0x000800, CRC(8defcf50) SHA1(d3abfea468a43db7c2369500a3e390e77a8e22e6) )

	ROM_REGION( 0x4000, "graphics", ROMREGION_ERASEFF | ROMREGION_BE )
	ROM_LOAD16_BYTE( "98544_1818-1999.bin", 0x000000, 0x002000, CRC(8c7d6480) SHA1(d2bcfd39452c38bc652df39f84c7041cfdf6bd51) )
ROM_END

ROM_START( hp9k320 )
	ROM_REGION( 0x20000, MAINCPU_TAG, 0 )
	ROM_LOAD16_BYTE( "5061-6538.bin", 0x000001, 0x004000, CRC(d6aafeb1) SHA1(88c6b0b2f504303cbbac0c496c26b85458ac5d63) )
	ROM_LOAD16_BYTE( "5061-6539.bin", 0x000000, 0x004000, CRC(a7ff104c) SHA1(c640fe68314654716bd41b04c6a7f4e560036c7e) )
	ROM_LOAD16_BYTE( "5061-6540.bin", 0x008001, 0x004000, CRC(4f6796d6) SHA1(fd254897ac1afb8628f40ea93213f60a082c8d36) )
	ROM_LOAD16_BYTE( "5061-6541.bin", 0x008000, 0x004000, CRC(39d32998) SHA1(6de1bda75187b0878c03c074942b807cf2924f0e) )

	ROM_REGION( 0x800, IOCPU_TAG, 0 )
	ROM_LOAD( "1820-4874.bin", 0x000000, 0x000800, CRC(e929044a) SHA1(90849a10bdb8c6e38e73ce027c9c0ad8b3956b1b) )
ROM_END

ROM_START( hp9k330 )
	ROM_REGION( 0x20000, MAINCPU_TAG, 0 )
	ROM_LOAD16_BYTE( "1818-4416.bin", 0x000000, 0x010000, CRC(cd71e85e) SHA1(3e83a80682f733417fdc3720410e45a2cfdcf869) )
	ROM_LOAD16_BYTE( "1818-4417.bin", 0x000001, 0x010000, CRC(374d49db) SHA1(a12cbf6c151e2f421da4571000b5dffa3ef403b3) )

	ROM_REGION( 0x800, IOCPU_TAG, 0 )
	ROM_LOAD( "1820-4874.bin", 0x000000, 0x000800, CRC(e929044a) SHA1(90849a10bdb8c6e38e73ce027c9c0ad8b3956b1b) )
ROM_END

ROM_START( hp9k332 )
	ROM_REGION( 0x20000, MAINCPU_TAG, 0 )
	ROM_LOAD16_BYTE( "1818-4796.bin", 0x000000, 0x010000, CRC(8a7642da) SHA1(7ba12adcea85916d18b021255391bec806c32e94) )
	ROM_LOAD16_BYTE( "1818-4797.bin", 0x000001, 0x010000, CRC(98129eb1) SHA1(f3451a854060f1be1bee9f17c5c198b4b1cd61ac) )

	ROM_REGION( 0x800, IOCPU_TAG, 0 )
	ROM_LOAD( "1820-4874.bin", 0x000000, 0x000800, CRC(e929044a) SHA1(90849a10bdb8c6e38e73ce027c9c0ad8b3956b1b) )

	ROM_REGION( 0x4000, "graphics", ROMREGION_ERASEFF | ROMREGION_BE | ROMREGION_32BIT )
	ROM_LOAD16_BYTE( "5180-0471.bin", 0x000001, 0x002000, CRC(7256af2e) SHA1(584e8d4dcae8c898c1438125dc9c4709631b32f7) )
ROM_END

ROM_START( hp9k340 )
	ROM_REGION( 0x20000, MAINCPU_TAG, 0 )
	ROM_LOAD16_BYTE( "1818-4416.bin", 0x000000, 0x010000, CRC(cd71e85e) SHA1(3e83a80682f733417fdc3720410e45a2cfdcf869) )
	ROM_LOAD16_BYTE( "1818-4417.bin", 0x000001, 0x010000, CRC(374d49db) SHA1(a12cbf6c151e2f421da4571000b5dffa3ef403b3) )

	ROM_REGION( 0x800, IOCPU_TAG, 0 )
	ROM_LOAD( "1820-4874.bin", 0x000000, 0x000800, CRC(e929044a) SHA1(90849a10bdb8c6e38e73ce027c9c0ad8b3956b1b) )
ROM_END

ROM_START( hp9k370 )
	ROM_REGION( 0x20000, MAINCPU_TAG, 0 )
	ROM_LOAD16_BYTE( "1818-4416.bin", 0x000000, 0x010000, CRC(cd71e85e) SHA1(3e83a80682f733417fdc3720410e45a2cfdcf869) )
	ROM_LOAD16_BYTE( "1818-4417.bin", 0x000001, 0x010000, CRC(374d49db) SHA1(a12cbf6c151e2f421da4571000b5dffa3ef403b3) )

	ROM_REGION( 0x800, IOCPU_TAG, 0 )
	ROM_LOAD( "1820-4874.bin", 0x000000, 0x000800, CRC(e929044a) SHA1(90849a10bdb8c6e38e73ce027c9c0ad8b3956b1b) )
ROM_END

ROM_START( hp9k380 )
	ROM_REGION( 0x20000, MAINCPU_TAG, 0 )
	ROM_LOAD16_WORD_SWAP( "1818-5062_98754_9000-380_27c210.bin", 0x000000, 0x020000, CRC(500a0797) SHA1(4c0a3929e45202a2689e353657e5c4b58ff9a1fd) )

	ROM_REGION( 0x800, IOCPU_TAG, 0 )
	ROM_LOAD( "1820-4874.bin", 0x000000, 0x000800, CRC(e929044a) SHA1(90849a10bdb8c6e38e73ce027c9c0ad8b3956b1b) )
ROM_END

ROM_START( hp9k382 )
	ROM_REGION( 0x20000, MAINCPU_TAG, 0 )
	ROM_LOAD16_WORD_SWAP( "1818-5468_27c1024.bin", 0x000000, 0x020000, CRC(d1d9ef13) SHA1(6bbb17b9adad402fbc516dc2f3143e9c38ceef8e) )

	ROM_REGION( 0x800, IOCPU_TAG, 0 )
	ROM_LOAD( "1820-4874.bin", 0x000000, 0x000800, CRC(e929044a) SHA1(90849a10bdb8c6e38e73ce027c9c0ad8b3956b1b) )

	ROM_REGION( 0x2000, "unknown", ROMREGION_ERASEFF | ROMREGION_BE | ROMREGION_32BIT )
	ROM_LOAD( "1818-5282_8ce61e951207_28c64.bin", 0x000000, 0x002000, CRC(740442f3) SHA1(ab65bd4eec1024afb97fc2dd3bd3f017e90f49ae) )
ROM_END

/*    YEAR  NAME     PARENT   COMPAT  MACHINE  INPUT    CLASS          INIT        COMPANY            FULLNAME      FLAGS */
COMP( 1985, hp9k310, 0,       0,      hp9k310, hp9k330, hp9k3xx_state, empty_init, "Hewlett-Packard", "HP9000/310", MACHINE_NOT_WORKING)
COMP( 1985, hp9k320, 0,       0,      hp9k320, hp9k330, hp9k3xx_state, empty_init, "Hewlett-Packard", "HP9000/320", MACHINE_NOT_WORKING)
COMP( 1987, hp9k330, 0,       0,      hp9k330, hp9k330, hp9k3xx_state, empty_init, "Hewlett-Packard", "HP9000/330", MACHINE_NOT_WORKING)
COMP( 1987, hp9k332, 0,       0,      hp9k332, hp9k330, hp9k3xx_state, empty_init, "Hewlett-Packard", "HP9000/332", MACHINE_NOT_WORKING)
COMP( 1989, hp9k340, hp9k330, 0,      hp9k340, hp9k330, hp9k3xx_state, empty_init, "Hewlett-Packard", "HP9000/340", MACHINE_NOT_WORKING)
COMP( 1988, hp9k370, hp9k330, 0,      hp9k370, hp9k330, hp9k3xx_state, empty_init, "Hewlett-Packard", "HP9000/370", MACHINE_NOT_WORKING)
COMP( 1991, hp9k380, 0,       0,      hp9k380, hp9k330, hp9k3xx_state, empty_init, "Hewlett-Packard", "HP9000/380", MACHINE_NOT_WORKING)
COMP( 1991, hp9k382, 0,       0,      hp9k382, hp9k330, hp9k3xx_state, empty_init, "Hewlett-Packard", "HP9000/382", MACHINE_NOT_WORKING)