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// license:BSD-3-Clause
// copyright-holders:Patrick Mackinlay

/*
 * An emulation of the Intergraph InterPro/InterServe family of CLIPPER based
 * UNIX workstations.
 *
 * The first systems were built using the original C100 CLIPPER CPU, and used
 * an additional Intel 80186 as an I/O processor, later moving to a C300 with
 * 80386 IOP. Around 1989, the CLIPPER became fast enough to obviate the need
 * for the separate I/O processor, and systems from that point used the main
 * CPU for both compute and I/O, along with some custom ASICs.
 *
 * Over the lifespan of the InterPro, there were five distinct families of
 * systems, varying mainly in terms of the primary CPU, as follows:
 *
 *   Year  Family    Models                   CPU
 *   1986  amethyst  32C/100/200              C100 (80186 IOP)
 *   1988  topaz     300/3000/4000/5000       C300/C300Plus (80386 IOP)
 *   1989  turquoise 2000                     C300
 *   1989  emerald   6000/6100/6200/6500/6600 C300/C300Plus (C4T in 6600?)
 *   1991  sapphire  2400/6400                C4T
 *   1992  sapphire  2500/2700/6700/6800/2800 C4I
 *
 * Individual models and some of their specific attributes include:
 *
 *   Model  Year     CPU        Clock     Family
 *   2000   1989     C300                 turquoise
 *   6000   1989     C300                 emerald
 *   2400   1991?    C4T        40MHz?    sapphire
 *   6400   1991     C4T        40MHz     sapphire
 *   6600            C400                 emerald (IOI, SRX bus?)
 *   6700   1992     C400I      70MHz?    sapphire
 *   6800   1993     C400I      80MHz?    sapphire
 *   2500   1993?    C400I      50MHz?    sapphire
 *   2700   1992     C400I      70MHz?    sapphire
 *   2800   1994     C400I      80MHz?    sapphire
 *
 *   6100                                 emerald (IOI)
 *   6200   1989     C300Plus   60MHz     emerald
 *   6500            C300Plus             emerald (IOI, QWIC bus?)
 *
 * With many exceptions, the general model numbering system is ABCD, where:
 *
 *   A: case type (2=desktop, 6=tower)
 *   B: CPU type (0=C300, 4=C4T, 6=C400?, 7/8/5 = C400I)
 *   C: graphics type (0=none, 3/5=GT, 4/8 = EDGE)
 *   D: always 0?
 *
 * Both the desktop and tower units supported an expansion bus with a variety
 * of cards, although with different profiles and connectors between 2xxx and
 * 6xxx systems. The bus is referred to as SR, SRX, SR Bus, CBUS and some
 * combinations of these in various places, but all appears to be compatible or
 * identical, possibly with SRX being an enhanced version. The bus supported a
 * range of add-in cards, ranging from expanded SCSI and serial controllers,
 * to specialised scanning and plotting controllers, a VME bridge, and most
 * importantly various single and dual-headed graphics boards.
 *
 * The InterPro graphics options included the GT range, generally fitted to the
 * desktop systems, and EDGE graphics for the towers. Systems with no graphics
 * were operated through a serial console on serial port 2, and were branded as
 * InterServe rather than InterPro systems.
 *
 *   Model     Year    Performance
 *   GT        1990?   360k 2D vec/s (in a 2020)
 *   EDGE-1
 *   EDGE-2
 *   GT+               760k 2D vec/s, 530k 3D vec/s (in a 2730)
 *   GTII              830k 2D vec/s, 640k 3D vec/s (in a 6750)
 *                     900k 2D vec/s, 700k 3D vec/s (in a 6850)
 *   EDGE II+          50k Gouraud-shaded poly/s (in a 6780)
 *
 * This emulation currently supports the Turquoise and Sapphire desktop systems (i.e. models
 * 2000/2400/2500/2700/2800). Base GT graphics can be used with any of these models, or the
 * graphics and keyboard removed and the systems used with a serial terminal instead.
 *
 * Key parts lists for the supported models are as follows.
 *
 * 2000 Turquoise (C300 @ 40MHz?, main board PCB962)
 *
 *   Ref   Part                      Function
 *   U37   Intel 82072               Floppy drive controller
 *   U39   Intel 82586               Ethernet controller
 *   U40   Zilog 8530 SCC            Keyboard and console serial controller
 *   U41   Zilog 8530 SCC            Serial controller for serial port 0 and 1
 *   U42   Xilinix XC3020-50         Plotter control FPGA?
 *   U43   (MPRGM610C)               Bitstream for XC3020?
 *   U54   4.9152 MHz crystal        Clock source for 8530s?
 *   U55   20.0 MHz crystal
 *   U57   24.0 MHz crystal          Clock source for 53C90A?
 *   U61   NCR 53C90A                SCSI controller
 *   U63   CIDC84607 TC110G75CY-0011 Intergraph I/O gate array?
 *   U116  Dallas DS1287             RTC and NVRAM
 *   U137?                           diagnostic 7-segment LED?
 *   U171  128 kB EPROM (MPRGM530E)  Boot ROM MSB
 *   U172  128 kB EPROM (MPRGM540E)  Boot ROM LSB
 *
 * 2400 Sapphire (C400T @ 40MHz?, main board SMT047)
 *
 *   Ref   Part                      Function
 *   U31   Zilog Z85C30 SCC          Keyboard and console serial controller
 *   U32   Zilog Z85230 ESCC         Serial controller for serial port 0 and 1
 *   U34   Xilinix XC3020-50         Plotter control FPGA?
 *   U35   128 kB EPROM (MPRGW510B)  Boot ROM
 *   U43?  (MPRGM610P)               Bitstream for XC3020?
 *   U44   Intel 82596SX             Ethernet controller (20MHz)
 *   U67   Intel N28F010-200         128Kx8 flash memory (200ns)
 *   U68   CYID21603 TC150G89AF
 *   U71   LSI L1A6104 CICD 95801    Intergraph I/O gate array
 *   U76   Intel N28F010-200         128Kx8 flash memory (200ns)
 *   U81   NCR 53C94                 SCSI controller
 *   U86   24.0 MHz crystal          Clock source for 53C94?
 *   U87   4.9152 MHz crystal        Clock source for 8530s?
 *   U88   20.0 MHz crystal          Clock source for 82596?
 *   U91   Intel N82077AA            Floppy drive controller
 *   U96   32.0 MHz crystal
 *   U97   40.0 MHz crystal
 *   U112? (MPRG4230A)               node ID prom?
 *   U113? Dallas DS1287             RTC and NVRAM
 *   U117?                           diagnostic 7-segment LED?
 *   U118? (MPRG X510R)
 *   U155  CYID21704 TC140G54AF
 *
 * 2700 Sapphire (C400I @ 70MHz?, main board SMT128)
 *
 *   Ref   Part                      Function
 *   U31   Zilog Z85C30 SCC          Keyboard and console serial controller
 *   U32   Zilog Z85230 ESCC         Serial controller for serial port 0 and 1
 *   U34   Xilinix XC3020-70         Plotter control FPGA?
 *   U35   128 kB EPROM (MPRGZ530A)  Boot ROM
 *   U43?  (MPRGM610P)               Bitstream for XC3020?
 *   U44   Intel 82596SX?            Ethernet controller
 *   U68   CYID21603 TC150G89AF
 *   U67   Intel N28F010             128Kx8 flash memory
 *   U71   LSI L1A7374 CIDC094A3     Intergraph I/O gate array
 *   U76   Intel N28F010             128Kx8 flash memory
 *   U81   NCR 53C94                 SCSI controller
 *   U86   24.0 MHz crystal          Clock source for 53C94?
 *   U87   4.9152 MHz crystal        Clock source for 8530s?
 *   U88   20.0 MHz crystal          Clock source for 82596?
 *   U91   Intel N82077AA?           Floppy drive controller
 *   U96   32.0 MHz crystal?
 *   U97   40.0 MHz crystal
 *   U112? (MPRGZ260E)               node ID prom?
 *   U113? Dallas DS12887            RTC and NVRAM
 *   U117?                           diagnostic 7-segment LED?
 *   U118? ()
 *   U155  CYID212?4 TC140G54AF?
 */

#include "emu.h"

#include "includes/interpro.h"

#include "debugger.h"

#include "interpro.lh"

#define VERBOSE 0
#include "logmacro.h"

void interpro_state::machine_start()
{
	// FIXME: disabled for now to avoid cold start diagnostic errors
	//m_sreg_ctrl2 = CTRL2_COLDSTART | CTRL2_PWRUP;
	m_sreg_ctrl2 = 0;

	save_item(NAME(m_sreg_error));
	save_item(NAME(m_sreg_status));
	save_item(NAME(m_sreg_led));
	save_item(NAME(m_sreg_ctrl1));
	save_item(NAME(m_sreg_ctrl2));

	save_item(NAME(m_sreg_ctrl3));
}

void interpro_state::machine_reset()
{
	// flash rom requires the following values
	m_sreg_error = 0;
	m_sreg_status = 0x400;
	m_sreg_ctrl1 = CTRL1_FLOPLOW;
}

DRIVER_INIT_MEMBER(interpro_state, common)
{
}

DRIVER_INIT_MEMBER(turquoise_state, turquoise)
{
	interpro_state::init_common();

	// FIXME: not all memory sizes are reported properly using fdm "5 inqhw" and
	// "optimum_memory" commands

	// 16 = reports 16M, banks empty?
	// 32 = reports 16M, banks empty?
	// 64 = reports 128M, 16x8
	// 128 = reports 128M, 16x8
	// 256 = reports 256M, 32x8

	// map the configured ram
	m_d_cammu->space(0).install_ram(0, m_ram->mask(), m_ram->pointer());
	m_i_cammu->space(0).install_ram(0, m_ram->mask(), m_ram->pointer());
}

DRIVER_INIT_MEMBER(sapphire_state, sapphire)
{
	interpro_state::init_common();

	// FIXME: not all memory sizes are reported properly using fdm "5 inqhw" and
	// "optimum_memory" commands

	// 16 = reports 16M, banks empty?
	// 32 = reports 16M, banks empty?
	// 64 = reports 128M, 16x8
	// 128 = reports 128M, 16x8
	// 256 = reports 256M, 32x8

	// map the configured ram
	m_mmu->space(0).install_ram(0, m_ram->mask(), m_ram->pointer());
}

WRITE16_MEMBER(interpro_state::sreg_led_w)
{
	// 7-segment decode patterns (hex digits) borrowed from wico.cpp (mc14495)
	static const u8 patterns[16] = { 0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07, 0x7f, 0x6f, 0x77, 0x7c, 0x39, 0x5e, 0x79, 0x71 };

	output().set_digit_value(0, patterns[data & 0xf]);

	COMBINE_DATA(&m_sreg_led);
}

WRITE16_MEMBER(interpro_state::sreg_ctrl1_w)
{
	LOG("control register 1 data 0x%04x mem_mask 0x%04x (%s)\n", data, mem_mask, machine().describe_context());

	// check if led decimal point changes state
	if ((data ^ m_sreg_ctrl1) & CTRL1_LEDDP)
		output().set_digit_value(0, (output().get_digit_value(0) + 0x80) & 0xff);

	COMBINE_DATA(&m_sreg_ctrl1);
}

WRITE16_MEMBER(interpro_state::sreg_ctrl2_w)
{
	LOG("control register 2 data 0x%04x mem_mask 0x%04x (%s)\n", data, mem_mask, machine().describe_context());
	if (data & CTRL2_RESET)
	{
		m_sreg_ctrl2 &= ~CTRL2_COLDSTART;

		machine().schedule_soft_reset();
	}
	else
		m_sreg_ctrl2 = (m_sreg_ctrl2 & ~CTRL2_MASK) | (data & CTRL2_MASK);
}

WRITE16_MEMBER(sapphire_state::sreg_ctrl2_w)
{
	interpro_state::sreg_ctrl2_w(space, offset, data, mem_mask);

	// enable/disable programming power on both flash devices
	m_flash_lo->vpp(data & CTRL2_FLASHEN ? ASSERT_LINE : CLEAR_LINE);
	m_flash_hi->vpp(data & CTRL2_FLASHEN ? ASSERT_LINE : CLEAR_LINE);
}

READ16_MEMBER(interpro_state::sreg_error_r)
{
	const u16 result = m_sreg_error;

	// clear error register on read
	if (!machine().side_effect_disabled())
		m_sreg_error = 0;

	return result;
}

READ32_MEMBER(interpro_state::unmapped_r)
{
	// check if non-existent memory errors are enabled
	if (!machine().side_effect_disabled())
		if (m_arbga->tctrl_r(space, offset, mem_mask) & interpro_arbga_device::TCTRL_ENNEM)
		{
			// flag non-existent memory error in system error register
			m_sreg_error |= (ERROR_SRXNEM | ERROR_SRXVALID);

			// tell ioga to raise a bus error
			m_ioga->bus_error(space, interpro_ioga_device::BINFO_BERR | interpro_ioga_device::BINFO_SNAPOK, offset << 2);
		}

	return space.unmap();
}

WRITE32_MEMBER(interpro_state::unmapped_w)
{
	// check if non-existent memory errors are enabled
	if (m_arbga->tctrl_r(space, offset, mem_mask) & interpro_arbga_device::TCTRL_ENNEM)
	{
		// flag non-existent memory error in system error register
		m_sreg_error |= (ERROR_SRXNEM | ERROR_SRXVALID);

		// tell ioga to raise a bus error
		m_ioga->bus_error(space, interpro_ioga_device::BINFO_BERR | interpro_ioga_device::BINFO_SNAPOK, offset << 2);
	}
}

READ8_MEMBER(interpro_state::nodeid_r)
{
	// FIXME: hard coded node id for now
	switch (offset)
	{
		// read system node id prom (contains last 3 bytes of mac address)
	case 0: return 0x12;
	case 1: return 0x34;
	case 2: return 0x56;
	case 3: return 0x9c; // checksum - sum of other bytes
	}

	return space.unmap();
}

// these maps connect the cpu virtual addresses to the mmu
static ADDRESS_MAP_START(c300_insn_map, AS_PROGRAM, 32, interpro_state)
	AM_RANGE(0x00000000, 0xffffffff) AM_DEVREAD(INTERPRO_MMU_TAG "_i", cammu_device, read)
ADDRESS_MAP_END

static ADDRESS_MAP_START(c300_data_map, AS_DATA, 32, interpro_state)
	AM_RANGE(0x00000000, 0xffffffff) AM_DEVREADWRITE(INTERPRO_MMU_TAG "_d", cammu_device, read, write)
ADDRESS_MAP_END

static ADDRESS_MAP_START(c400_insn_map, AS_PROGRAM, 32, interpro_state)
	AM_RANGE(0x00000000, 0xffffffff) AM_DEVREAD(INTERPRO_MMU_TAG, cammu_device, read)
ADDRESS_MAP_END

static ADDRESS_MAP_START(c400_data_map, AS_DATA, 32, interpro_state)
	AM_RANGE(0x00000000, 0xffffffff) AM_DEVREADWRITE(INTERPRO_MMU_TAG, cammu_device, read, write)
ADDRESS_MAP_END

static ADDRESS_MAP_START(interpro_common_map, 0, 32, interpro_state)
	// FIXME: don't know what this range is for
	AM_RANGE(0x08000000, 0x08000fff) AM_NOP

	AM_RANGE(0x4f007e00, 0x4f007eff) AM_DEVICE(INTERPRO_SGA_TAG, interpro_sga_device, map)

	AM_RANGE(0x7f000100, 0x7f00011f) AM_DEVICE8(INTERPRO_FDC_TAG, upd765_family_device, map, 0xff)
	AM_RANGE(0x7f000200, 0x7f0002ff) AM_DEVICE(INTERPRO_ARBGA_TAG, interpro_arbga_device, map)
	AM_RANGE(0x7f000300, 0x7f000303) AM_READ16(sreg_error_r, 0xffff)
	AM_RANGE(0x7f000304, 0x7f000307) AM_READWRITE16(sreg_status_r, sreg_led_w, 0xffff)
	AM_RANGE(0x7f000308, 0x7f00030b) AM_READWRITE16(sreg_ctrl1_r, sreg_ctrl1_w, 0xffff)
	AM_RANGE(0x7f00030c, 0x7f00030f) AM_READWRITE16(sreg_ctrl2_r, sreg_ctrl2_w, 0xffff)

	AM_RANGE(0x7f00031c, 0x7f00031f) AM_READWRITE16(sreg_ctrl3_r, sreg_ctrl3_w, 0xffff)

	AM_RANGE(0x7f000400, 0x7f00040f) AM_DEVREADWRITE8(INTERPRO_SCC1_TAG, z80scc_device, ba_cd_inv_r, ba_cd_inv_w, 0xff)
	AM_RANGE(0x7f000410, 0x7f00041f) AM_DEVREADWRITE8(INTERPRO_SCC2_TAG, z80scc_device, ba_cd_inv_r, ba_cd_inv_w, 0xff)

	AM_RANGE(0x7f000500, 0x7f000503) AM_DEVREADWRITE8_MOD(INTERPRO_RTC_TAG, mc146818_device, read, write, xor<0x1>, 0xff)
	AM_RANGE(0x7f000600, 0x7f000603) AM_DEVWRITE8(INTERPRO_RTC_TAG, mc146818_device, write, 0xff)
	AM_RANGE(0x7f000600, 0x7f00060f) AM_READ8(nodeid_r, 0xff)

	// the system board id prom
	AM_RANGE(0x7f000700, 0x7f00077f) AM_ROM AM_REGION(INTERPRO_IDPROM_TAG, 0)

	// scsi registers have unusual address mapping
	AM_RANGE(0x7f001000, 0x7f001003) AM_DEVREADWRITE8(INTERPRO_SCSI_DEVICE_TAG, ncr53c90a_device, tcounter_lo_r, tcount_lo_w, 0xff00)
	AM_RANGE(0x7f001100, 0x7f001103) AM_DEVREADWRITE8(INTERPRO_SCSI_DEVICE_TAG, ncr53c90a_device, tcounter_hi_r, tcount_hi_w, 0xff00)
	AM_RANGE(0x7f001200, 0x7f001203) AM_DEVREADWRITE8(INTERPRO_SCSI_DEVICE_TAG, ncr53c90a_device, fifo_r, fifo_w, 0xff00)
	AM_RANGE(0x7f001300, 0x7f001303) AM_DEVREADWRITE8(INTERPRO_SCSI_DEVICE_TAG, ncr53c90a_device, command_r, command_w, 0xff00)
	AM_RANGE(0x7f001400, 0x7f001403) AM_DEVREAD8(INTERPRO_SCSI_DEVICE_TAG, ncr53c90a_device, status_r, 0xff00) AM_DEVWRITE8(INTERPRO_SCSI_DEVICE_TAG, ncr53c90a_device, bus_id_w, 0xff00)
	AM_RANGE(0x7f001500, 0x7f001503) AM_DEVREADWRITE8(INTERPRO_SCSI_DEVICE_TAG, ncr53c90a_device, istatus_r, timeout_w, 0xff00)
	AM_RANGE(0x7f001600, 0x7f001603) AM_DEVREADWRITE8(INTERPRO_SCSI_DEVICE_TAG, ncr53c90a_device, seq_step_r, sync_period_w, 0xff00)
	AM_RANGE(0x7f001700, 0x7f001703) AM_DEVREADWRITE8(INTERPRO_SCSI_DEVICE_TAG, ncr53c90a_device, fifo_flags_r, sync_offset_w, 0xff00)
	AM_RANGE(0x7f001800, 0x7f001803) AM_DEVREADWRITE8(INTERPRO_SCSI_DEVICE_TAG, ncr53c90a_device, conf_r, conf_w, 0xff00)
	AM_RANGE(0x7f001900, 0x7f001903) AM_DEVWRITE8(INTERPRO_SCSI_DEVICE_TAG, ncr53c90a_device, clock_w, 0xff00)
	AM_RANGE(0x7f001a00, 0x7f001a03) AM_DEVWRITE8(INTERPRO_SCSI_DEVICE_TAG, ncr53c90a_device, test_w, 0xff00)
	AM_RANGE(0x7f001b00, 0x7f001b03) AM_DEVREADWRITE8(INTERPRO_SCSI_DEVICE_TAG, ncr53c90a_device, conf2_r, conf2_w, 0xff00)

	AM_RANGE(0x7f0fff00, 0x7f0fffff) AM_DEVICE(INTERPRO_IOGA_TAG, interpro_ioga_device, map)
ADDRESS_MAP_END

static ADDRESS_MAP_START(turquoise_base_map, 0, 32, turquoise_state)
	AM_RANGE(0x40000000, 0x4000003f) AM_DEVICE(INTERPRO_MCGA_TAG, interpro_mcga_device, map)
	AM_RANGE(0x7f000300, 0x7f000303) AM_WRITE8(sreg_error_w, 0xff)

	AM_IMPORT_FROM(interpro_common_map)
ADDRESS_MAP_END

static ADDRESS_MAP_START(turquoise_main_map, 0, 32, turquoise_state)
	AM_RANGE(0x00000000, 0x00ffffff) AM_RAM AM_SHARE(RAM_TAG)
	AM_RANGE(0x7f100000, 0x7f13ffff) AM_ROM AM_REGION(INTERPRO_EPROM_TAG, 0)

	AM_IMPORT_FROM(turquoise_base_map)
ADDRESS_MAP_END

static ADDRESS_MAP_START(sapphire_base_map, 0, 32, sapphire_state)
	AM_RANGE(0x40000000, 0x4000004f) AM_DEVICE(INTERPRO_MCGA_TAG, interpro_fmcc_device, map)
	AM_RANGE(0x7f001c00, 0x7f001c03) AM_DEVWRITE8(INTERPRO_SCSI_DEVICE_TAG, ncr53c94_device, conf3_w, 0xff00)
	AM_RANGE(0x7f001f00, 0x7f001f03) AM_DEVWRITE8(INTERPRO_SCSI_DEVICE_TAG, ncr53c94_device, fifo_align_w, 0xff00)

	AM_IMPORT_FROM(interpro_common_map)
ADDRESS_MAP_END

static ADDRESS_MAP_START(sapphire_main_map, 0, 32, sapphire_state)
	AM_RANGE(0x00000000, 0x00ffffff) AM_RAM AM_SHARE(RAM_TAG)
	AM_RANGE(0x7f100000, 0x7f11ffff) AM_ROM AM_REGION(INTERPRO_EPROM_TAG, 0)
	AM_RANGE(0x7f180000, 0x7f1fffff) AM_DEVREADWRITE8(INTERPRO_FLASH_TAG "_lo", intel_28f010_device, read, write, 0x00ff00ff) AM_MASK(0x3ffff)
	AM_RANGE(0x7f180000, 0x7f1fffff) AM_DEVREADWRITE8(INTERPRO_FLASH_TAG "_hi", intel_28f010_device, read, write, 0xff00ff00) AM_MASK(0x3ffff)

	AM_IMPORT_FROM(sapphire_base_map)
ADDRESS_MAP_END

static ADDRESS_MAP_START(turquoise_io_map, 1, 32, interpro_state)
	AM_RANGE(0x00000800, 0x000009ff) AM_DEVICE(INTERPRO_MMU_TAG "_d", cammu_c3_device, map)
	AM_RANGE(0x00000a00, 0x00000bff) AM_DEVICE(INTERPRO_MMU_TAG "_i", cammu_c3_device, map)
	AM_RANGE(0x00000c00, 0x00000dff) AM_DEVICE(INTERPRO_MMU_TAG "_d", cammu_c3_device, map_global)

	AM_IMPORT_FROM(turquoise_base_map)
ADDRESS_MAP_END

static ADDRESS_MAP_START(sapphire_io_map, 1, 32, interpro_state)
	AM_RANGE(0x00000000, 0x00001fff) AM_DEVICE(INTERPRO_MMU_TAG, cammu_c4_device, map)

	AM_IMPORT_FROM(sapphire_base_map)
ADDRESS_MAP_END

static ADDRESS_MAP_START(interpro_boot_map, 2, 32, interpro_state)
	// FIXME: the real system may have some initial boot instructions in this boot
	// memory space which jump to the start of the boot eprom code, or there may
	// be some special address decoding logic for boot. For now, we fake it in the
	// CPU by hard-coding the start address to point at the eprom.
	AM_RANGE(0x00000000, 0x00001fff) AM_RAM
ADDRESS_MAP_END

static ADDRESS_MAP_START(interpro_82586_map, 0, 16, turquoise_state)
	AM_RANGE(0x00000000, 0x00ffffff) AM_DEVREADWRITE(INTERPRO_IOGA_TAG, turquoise_ioga_device, eth_r, eth_w)
ADDRESS_MAP_END

static ADDRESS_MAP_START(interpro_82596_map, 0, 32, sapphire_state)
	AM_RANGE(0x00000000, 0xffffffff) AM_DEVREADWRITE(INTERPRO_IOGA_TAG, sapphire_ioga_device, eth_r, eth_w)
ADDRESS_MAP_END

FLOPPY_FORMATS_MEMBER(interpro_state::floppy_formats)
	FLOPPY_PC_FORMAT
FLOPPY_FORMATS_END

static SLOT_INTERFACE_START(interpro_floppies)
	SLOT_INTERFACE("525dd", FLOPPY_525_DD)
	SLOT_INTERFACE("35hd", FLOPPY_35_HD)
SLOT_INTERFACE_END

MACHINE_CONFIG_START(interpro_state::interpro_serial1)
	MCFG_SCC85C30_ADD(INTERPRO_SCC1_TAG, XTAL(4'915'200), 0, 0, 0, 0)

	MCFG_Z80SCC_OUT_TXDA_CB(DEVWRITELINE(INTERPRO_SERIAL_PORT1_TAG, rs232_port_device, write_txd))
	MCFG_Z80SCC_OUT_TXDB_CB(DEVWRITELINE(INTERPRO_SERIAL_PORT2_TAG, rs232_port_device, write_txd))
	MCFG_Z80SCC_OUT_INT_CB(DEVWRITELINE(INTERPRO_IOGA_TAG, interpro_ioga_device, ir11_w))
	MCFG_Z80SCC_OUT_WREQA_CB(DEVWRITELINE(INTERPRO_IOGA_TAG, interpro_ioga_device, drq_serial1))
	MCFG_Z80SCC_OUT_WREQB_CB(DEVWRITELINE(INTERPRO_IOGA_TAG, interpro_ioga_device, drq_serial2))

	MCFG_RS232_PORT_ADD(INTERPRO_SERIAL_PORT1_TAG, default_rs232_devices, nullptr)
	MCFG_RS232_RXD_HANDLER(DEVWRITELINE(INTERPRO_SCC1_TAG, z80scc_device, rxa_w))
	MCFG_RS232_DCD_HANDLER(DEVWRITELINE(INTERPRO_SCC1_TAG, z80scc_device, dcda_w))
	MCFG_RS232_CTS_HANDLER(DEVWRITELINE(INTERPRO_SCC1_TAG, z80scc_device, ctsa_w))

	MCFG_RS232_PORT_ADD(INTERPRO_SERIAL_PORT2_TAG, default_rs232_devices, nullptr)
	MCFG_RS232_RXD_HANDLER(DEVWRITELINE(INTERPRO_SCC1_TAG, z80scc_device, rxb_w))
	MCFG_RS232_DCD_HANDLER(DEVWRITELINE(INTERPRO_SCC1_TAG, z80scc_device, dcdb_w))
	MCFG_RS232_CTS_HANDLER(DEVWRITELINE(INTERPRO_SCC1_TAG, z80scc_device, ctsb_w))
MACHINE_CONFIG_END

MACHINE_CONFIG_START(interpro_state::interpro_serial2)
	MCFG_SCC85C30_ADD(INTERPRO_SCC2_TAG, XTAL(4'915'200), 0, 0, 0, 0)
	MCFG_Z80SCC_OUT_TXDA_CB(DEVWRITELINE(INTERPRO_KEYBOARD_PORT_TAG, interpro_keyboard_port_device, write_txd))
	MCFG_Z80SCC_OUT_TXDB_CB(DEVWRITELINE(INTERPRO_SERIAL_PORT0_TAG, rs232_port_device, write_txd))
	MCFG_Z80SCC_OUT_INT_CB(DEVWRITELINE(INTERPRO_IOGA_TAG, interpro_ioga_device, ir11_w))
	MCFG_Z80SCC_OUT_WREQB_CB(DEVWRITELINE(INTERPRO_IOGA_TAG, interpro_ioga_device, drq_serial0))

	MCFG_INTERPRO_KEYBOARD_PORT_ADD(INTERPRO_KEYBOARD_PORT_TAG, interpro_keyboard_devices, "hle_en_us")
	MCFG_INTERPRO_KEYBOARD_RXD_HANDLER(DEVWRITELINE(INTERPRO_SCC2_TAG, z80scc_device, rxa_w))

	MCFG_RS232_PORT_ADD(INTERPRO_SERIAL_PORT0_TAG, default_rs232_devices, nullptr)
	MCFG_RS232_RXD_HANDLER(DEVWRITELINE(INTERPRO_SCC2_TAG, z80scc_device, rxb_w))
	MCFG_RS232_DCD_HANDLER(DEVWRITELINE(INTERPRO_SCC2_TAG, z80scc_device, dcdb_w))
	MCFG_RS232_CTS_HANDLER(DEVWRITELINE(INTERPRO_SCC2_TAG, z80scc_device, ctsb_w))
MACHINE_CONFIG_END

static SLOT_INTERFACE_START(interpro_scsi_devices)
	SLOT_INTERFACE("harddisk", NSCSI_HARDDISK)
	SLOT_INTERFACE("cdrom", NSCSI_CDROM)
SLOT_INTERFACE_END

static SLOT_INTERFACE_START(turquoise_scsi_devices)
	SLOT_INTERFACE_INTERNAL(INTERPRO_SCSI_ADAPTER_TAG, NCR53C90A)
SLOT_INTERFACE_END

static SLOT_INTERFACE_START(sapphire_scsi_devices)
	SLOT_INTERFACE_INTERNAL(INTERPRO_SCSI_ADAPTER_TAG, NCR53C94)
SLOT_INTERFACE_END

void interpro_state::interpro_scsi_adapter(device_t *device)
{
	devcb_base *devcb;
	(void)devcb;
	MCFG_DEVICE_CLOCK(XTAL(24'000'000))
	MCFG_NCR5390_IRQ_HANDLER(DEVWRITELINE(":" INTERPRO_IOGA_TAG, interpro_ioga_device, ir0_w))
	MCFG_NCR5390_DRQ_HANDLER(DEVWRITELINE(":" INTERPRO_IOGA_TAG, interpro_ioga_device, drq_scsi))
}

MACHINE_CONFIG_START(interpro_state::ioga)
	MCFG_DEVICE_MODIFY(INTERPRO_IOGA_TAG)
	MCFG_INTERPRO_IOGA_NMI_CB(INPUTLINE(INTERPRO_CPU_TAG, INPUT_LINE_NMI))
	MCFG_INTERPRO_IOGA_IRQ_CB(INPUTLINE(INTERPRO_CPU_TAG, INPUT_LINE_IRQ0))
	MCFG_INTERPRO_IOGA_IVEC_CB(DEVWRITE8(INTERPRO_CPU_TAG, clipper_device, set_ivec))

	// ioga dma and serial dma channels
	// TODO: check serial dma channels - scc2chanA (keyboard) has no dma
	//MCFG_INTERPRO_IOGA_DMA_CB(0, unknown) // plotter
	MCFG_INTERPRO_IOGA_DMA_CB(1, DEVREAD8(INTERPRO_SCSI_DEVICE_TAG, ncr53c90a_device, mdma_r), DEVWRITE8(INTERPRO_SCSI_DEVICE_TAG, ncr53c90a_device, mdma_w))
	MCFG_INTERPRO_IOGA_DMA_CB(2, DEVREAD8(INTERPRO_FDC_TAG, upd765_family_device, mdma_r), DEVWRITE8(INTERPRO_FDC_TAG, upd765_family_device, mdma_w))
	MCFG_INTERPRO_IOGA_SERIAL_DMA_CB(0, DEVREAD8(INTERPRO_SCC2_TAG, z80scc_device, db_r), DEVWRITE8(INTERPRO_SCC2_TAG, z80scc_device, db_w))
	MCFG_INTERPRO_IOGA_SERIAL_DMA_CB(1, DEVREAD8(INTERPRO_SCC1_TAG, z80scc_device, da_r), DEVWRITE8(INTERPRO_SCC1_TAG, z80scc_device, da_w))
	MCFG_INTERPRO_IOGA_SERIAL_DMA_CB(2, DEVREAD8(INTERPRO_SCC1_TAG, z80scc_device, db_r), DEVWRITE8(INTERPRO_SCC1_TAG, z80scc_device, db_w))

	// ioga floppy terminal count, ethernet channel attention
	MCFG_INTERPRO_IOGA_FDCTC_CB(DEVWRITELINE(INTERPRO_FDC_TAG, upd765_family_device, tc_line_w))
	MCFG_INTERPRO_IOGA_ETH_CA_CB(DEVWRITELINE(INTERPRO_ETH_TAG, i82586_base_device, ca))
MACHINE_CONFIG_END

static INPUT_PORTS_START(interpro)
INPUT_PORTS_END

MACHINE_CONFIG_START(interpro_state::interpro)
	MCFG_RAM_ADD(RAM_TAG)
	MCFG_RAM_DEFAULT_SIZE("16M")
	MCFG_RAM_EXTRA_OPTIONS("32M,64M,128M,256M")

	// memory control gate array

	// srx gate array
	MCFG_DEVICE_ADD(INTERPRO_SGA_TAG, INTERPRO_SGA, 0)
	MCFG_INTERPRO_SGA_BERR_CB(DEVWRITE32(INTERPRO_IOGA_TAG, interpro_ioga_device, bus_error))

	// floppy

	// srx arbiter gate array
	MCFG_DEVICE_ADD(INTERPRO_ARBGA_TAG, INTERPRO_ARBGA, 0)

	// serial

	// real-time clock/non-volatile memory
	MCFG_MC146818_ADD(INTERPRO_RTC_TAG, XTAL(32'768))
	MCFG_MC146818_UTC(true)
	MCFG_MC146818_IRQ_HANDLER(DEVWRITELINE(INTERPRO_IOGA_TAG, interpro_ioga_device, ir9_w))

	// scsi
	MCFG_NSCSI_BUS_ADD(INTERPRO_SCSI_TAG)
	MCFG_NSCSI_ADD(INTERPRO_SCSI_TAG ":0", interpro_scsi_devices, "harddisk", false)
	MCFG_NSCSI_ADD(INTERPRO_SCSI_TAG ":1", interpro_scsi_devices, nullptr, false)
	MCFG_NSCSI_ADD(INTERPRO_SCSI_TAG ":2", interpro_scsi_devices, nullptr, false)
	MCFG_NSCSI_ADD(INTERPRO_SCSI_TAG ":3", interpro_scsi_devices, "cdrom", false)
	MCFG_NSCSI_ADD(INTERPRO_SCSI_TAG ":4", interpro_scsi_devices, nullptr, false)
	MCFG_NSCSI_ADD(INTERPRO_SCSI_TAG ":5", interpro_scsi_devices, nullptr, false)
	MCFG_NSCSI_ADD(INTERPRO_SCSI_TAG ":6", interpro_scsi_devices, nullptr, false)

	// ethernet

	// i/o gate array

	// sr bus and slots
	MCFG_DEVICE_ADD(INTERPRO_SRBUS_TAG, SR, 0)
	MCFG_SR_SLOT_ADD(INTERPRO_SRBUS_TAG, INTERPRO_SRBUS_TAG ":0", sr_cards, "mpcb963", false)
	MCFG_SR_SLOT_ADD(INTERPRO_SRBUS_TAG, INTERPRO_SRBUS_TAG ":1", sr_cards, nullptr, false)

	// system layout
	MCFG_DEFAULT_LAYOUT(layout_interpro)
MACHINE_CONFIG_END

MACHINE_CONFIG_DERIVED(turquoise_state::turquoise, interpro)
	MCFG_CPU_ADD(INTERPRO_CPU_TAG, CLIPPER_C300, XTAL(12'500'000))
	MCFG_CPU_PROGRAM_MAP(c300_insn_map)
	MCFG_CPU_DATA_MAP(c300_data_map)
	MCFG_CPU_IRQ_ACKNOWLEDGE_DEVICE(INTERPRO_IOGA_TAG, interpro_ioga_device, acknowledge_interrupt)

	MCFG_DEVICE_ADD(INTERPRO_MMU_TAG "_i", CAMMU_C3, 0)
	MCFG_DEVICE_ADDRESS_MAP(0, turquoise_main_map)
	MCFG_DEVICE_ADDRESS_MAP(1, turquoise_io_map)
	MCFG_DEVICE_ADDRESS_MAP(2, interpro_boot_map)
	MCFG_CAMMU_SSW_CB(DEVREAD32(INTERPRO_CPU_TAG, clipper_device, get_ssw))
	MCFG_CAMMU_EXCEPTION_CB(DEVWRITE16(INTERPRO_CPU_TAG, clipper_device, set_exception))

	MCFG_DEVICE_ADD(INTERPRO_MMU_TAG "_d", CAMMU_C3, 0)
	MCFG_DEVICE_ADDRESS_MAP(0, turquoise_main_map)
	MCFG_DEVICE_ADDRESS_MAP(1, turquoise_io_map)
	MCFG_DEVICE_ADDRESS_MAP(2, interpro_boot_map)
	MCFG_CAMMU_SSW_CB(DEVREAD32(INTERPRO_CPU_TAG, clipper_device, get_ssw))
	MCFG_CAMMU_EXCEPTION_CB(DEVWRITE16(INTERPRO_CPU_TAG, clipper_device, set_exception))
	MCFG_CAMMU_LINK(INTERPRO_MMU_TAG "_i")

	// boot fails memory test without this
	MCFG_DEVICE_MODIFY(RAM_TAG)
	MCFG_RAM_DEFAULT_VALUE(0x00)

	// memory control gate array
	MCFG_DEVICE_ADD(INTERPRO_MCGA_TAG, INTERPRO_MCGA, 0)

	// floppy controller
	MCFG_I82072_ADD(INTERPRO_FDC_TAG, false)
	MCFG_UPD765_INTRQ_CALLBACK(DEVWRITELINE(INTERPRO_IOGA_TAG, interpro_ioga_device, ir1_w))
	MCFG_UPD765_DRQ_CALLBACK(DEVWRITELINE(INTERPRO_IOGA_TAG, interpro_ioga_device, drq_floppy))

	// connect a 3.5" drive at id 3
	MCFG_DEVICE_ADD("fdc:0", FLOPPY_CONNECTOR, 0)
	MCFG_DEVICE_ADD("fdc:1", FLOPPY_CONNECTOR, 0)
	MCFG_DEVICE_ADD("fdc:2", FLOPPY_CONNECTOR, 0)
	MCFG_FLOPPY_DRIVE_ADD("fdc:3", interpro_floppies, "35hd", interpro_state::floppy_formats)
	MCFG_FLOPPY_DRIVE_SOUND(false)

	// serial controllers and ports
	MCFG_FRAGMENT_ADD(interpro_serial1)
	MCFG_FRAGMENT_ADD(interpro_serial2)

	// scsi controller
	MCFG_NSCSI_ADD(INTERPRO_SCSI_TAG ":7", turquoise_scsi_devices, INTERPRO_SCSI_ADAPTER_TAG, true)
	MCFG_DEVICE_CARD_MACHINE_CONFIG(INTERPRO_SCSI_ADAPTER_TAG, interpro_scsi_adapter)

	// ethernet controller
	MCFG_DEVICE_ADD(INTERPRO_ETH_TAG, I82586, 0)
	MCFG_I82586_IRQ_CB(DEVWRITELINE(INTERPRO_IOGA_TAG, interpro_ioga_device, ir12_w))
	MCFG_DEVICE_ADDRESS_MAP(0, interpro_82586_map)

	// i/o gate array
	MCFG_DEVICE_ADD(INTERPRO_IOGA_TAG, TURQUOISE_IOGA, 0)
	MCFG_INTERPRO_IOGA_MEMORY(INTERPRO_MMU_TAG "_d", 0)
	MCFG_FRAGMENT_ADD(ioga)

	MCFG_DEVICE_MODIFY(INTERPRO_SRBUS_TAG)
	MCFG_SR_MEMORY(INTERPRO_MMU_TAG "_d", 0, 1)
MACHINE_CONFIG_END

MACHINE_CONFIG_DERIVED(sapphire_state::sapphire, interpro)
	MCFG_CPU_ADD(INTERPRO_CPU_TAG, CLIPPER_C400, XTAL(12'500'000))
	MCFG_CPU_PROGRAM_MAP(c400_insn_map)
	MCFG_CPU_DATA_MAP(c400_data_map)
	MCFG_CPU_IRQ_ACKNOWLEDGE_DEVICE(INTERPRO_IOGA_TAG, interpro_ioga_device, acknowledge_interrupt)

	MCFG_DEVICE_ADD(INTERPRO_MMU_TAG, CAMMU_C4T, 0)
	MCFG_DEVICE_ADDRESS_MAP(0, sapphire_main_map)
	MCFG_DEVICE_ADDRESS_MAP(1, sapphire_io_map)
	MCFG_DEVICE_ADDRESS_MAP(2, interpro_boot_map)
	MCFG_CAMMU_SSW_CB(DEVREAD32(INTERPRO_CPU_TAG, clipper_device, get_ssw))
	MCFG_CAMMU_EXCEPTION_CB(DEVWRITE16(INTERPRO_CPU_TAG, clipper_device, set_exception))

	// memory control gate array
	MCFG_DEVICE_ADD(INTERPRO_MCGA_TAG, INTERPRO_FMCC, 0)

	// floppy controller
	MCFG_N82077AA_ADD(INTERPRO_FDC_TAG, n82077aa_device::MODE_PS2)
	MCFG_UPD765_INTRQ_CALLBACK(DEVWRITELINE(INTERPRO_IOGA_TAG, interpro_ioga_device, ir1_w))
	MCFG_UPD765_DRQ_CALLBACK(DEVWRITELINE(INTERPRO_IOGA_TAG, interpro_ioga_device, drq_floppy))

	// connect a 3.5" drive at id 1
	MCFG_DEVICE_ADD("fdc:0", FLOPPY_CONNECTOR, 0)
	MCFG_FLOPPY_DRIVE_ADD("fdc:1", interpro_floppies, "35hd", interpro_state::floppy_formats)
	MCFG_FLOPPY_DRIVE_SOUND(false)

	// serial controllers and ports
	MCFG_FRAGMENT_ADD(interpro_serial1)
	MCFG_FRAGMENT_ADD(interpro_serial2)

	// scsi controller
	MCFG_NSCSI_ADD(INTERPRO_SCSI_TAG ":7", sapphire_scsi_devices, INTERPRO_SCSI_ADAPTER_TAG, true)
	MCFG_DEVICE_CARD_MACHINE_CONFIG(INTERPRO_SCSI_ADAPTER_TAG, interpro_scsi_adapter)

	// ethernet controller
	MCFG_DEVICE_ADD(INTERPRO_ETH_TAG, I82596_LE32, XTAL(20'000'000))
	MCFG_I82586_IRQ_CB(DEVWRITELINE(INTERPRO_IOGA_TAG, interpro_ioga_device, ir12_w))
	MCFG_DEVICE_ADDRESS_MAP(0, interpro_82596_map)

	// i/o gate array
	MCFG_DEVICE_ADD(INTERPRO_IOGA_TAG, SAPPHIRE_IOGA, 0)
	MCFG_INTERPRO_IOGA_MEMORY(INTERPRO_MMU_TAG, 0)
	MCFG_FRAGMENT_ADD(ioga)

	// flash memory
	MCFG_DEVICE_ADD(INTERPRO_FLASH_TAG "_lo", INTEL_28F010, 0)
	MCFG_DEVICE_ADD(INTERPRO_FLASH_TAG "_hi", INTEL_28F010, 0)

	// sr bus address spaces
	MCFG_DEVICE_MODIFY(INTERPRO_SRBUS_TAG)
	MCFG_SR_MEMORY(INTERPRO_MMU_TAG, 0, 1)
MACHINE_CONFIG_END

MACHINE_CONFIG_DERIVED(turquoise_state::ip2000, turquoise)
	//MCFG_DEVICE_MODIFY(INTERPRO_CPU_TAG)
	//MCFG_DEVICE_CLOCK(XTAL(40'000'000))
MACHINE_CONFIG_END

MACHINE_CONFIG_DERIVED(sapphire_state::ip2400, sapphire)
	//MCFG_DEVICE_MODIFY(INTERPRO_CPU_TAG)
	//MCFG_DEVICE_CLOCK(XTAL(40'000'000))
MACHINE_CONFIG_END

MACHINE_CONFIG_DERIVED(sapphire_state::ip2500, sapphire)
	//MCFG_DEVICE_MODIFY(INTERPRO_CPU_TAG)
	//MCFG_DEVICE_CLOCK(XTAL(50'000'000))
MACHINE_CONFIG_END

MACHINE_CONFIG_DERIVED(sapphire_state::ip2700, sapphire)
	//MCFG_DEVICE_MODIFY(INTERPRO_CPU_TAG)
	//MCFG_DEVICE_CLOCK(XTAL_70MHz)
MACHINE_CONFIG_END

MACHINE_CONFIG_DERIVED(sapphire_state::ip2800, sapphire)
	//MCFG_DEVICE_MODIFY(INTERPRO_CPU_TAG)
	//MCFG_DEVICE_CLOCK(XTAL_80MHz)
MACHINE_CONFIG_END

ROM_START(ip2000)
	ROM_REGION(0x80, INTERPRO_IDPROM_TAG, 0)
	ROM_LOAD32_BYTE("mpcb962a.bin", 0x0, 0x20, CRC(712f5ba9) SHA1(93ccdcb68be4038bb35b02cee612927ad4451190))

	ROM_REGION(0x0040000, INTERPRO_EPROM_TAG, 0)
	ROM_SYSTEM_BIOS(0, "ip2000", "InterPro 2000 EPROM")
	ROMX_LOAD("mprgm530e__26_apr_91k.u171", 0x00001, 0x20000, CRC(e4c470cb) SHA1(ff1917bfa963988d739a9dbf0b8f034fe49f2f8c), ROM_SKIP(1) | ROM_BIOS(1))
	ROMX_LOAD("mprgm540e__06_may_91k.u172", 0x00000, 0x20000, CRC(03225843) SHA1(03cfcd5b8ae0057240ef808a40108cb5d082eb63), ROM_SKIP(1) | ROM_BIOS(1))
ROM_END

ROM_START(ip2400)
	ROM_REGION(0x80, INTERPRO_IDPROM_TAG, 0)
	ROM_LOAD32_BYTE("msmt047a.bin", 0x0, 0x20, CRC(3078d84d) SHA1(2876b8b8054bb7528680d259fea428db6f1712b4))

	ROM_REGION(0x0020000, INTERPRO_EPROM_TAG, 0)
	ROM_SYSTEM_BIOS(0, "ip2400", "InterPro 2400 EPROM")
	ROMX_LOAD("mprgw510b__05_16_92.u35", 0x00000, 0x20000, CRC(3b2c4545) SHA1(4e4c98d1cd1035a04be8527223f44d0b687ec3ef), ROM_BIOS(1))

	ROM_REGION(0x20000, INTERPRO_FLASH_TAG "_lo", 0)
	ROM_LOAD_OPTIONAL("y225.u76", 0x00000, 0x20000, CRC(46c0b105) SHA1(7c4a104e4fb3d0e5e8db7c911cdfb3f5c4fb0218))

	ROM_REGION(0x20000, INTERPRO_FLASH_TAG "_hi", 0)
	ROM_LOAD_OPTIONAL("y226.u67", 0x00000, 0x20000, CRC(54d95730) SHA1(a4e114dee1567d8aa31eed770f7cc366588f395c))
ROM_END

ROM_START(ip2500)
	ROM_REGION(0x80, INTERPRO_IDPROM_TAG, 0)
	ROM_LOAD32_BYTE("msmt100a.bin", 0x0, 0x20, CRC(46647cdf) SHA1(581a3424a9b7028e619a7f03fa86ebdee3cf2494))

	ROM_REGION(0x0020000, INTERPRO_EPROM_TAG, 0)
	ROM_SYSTEM_BIOS(0, "ip2500", "InterPro 2500 EPROM")
	ROMX_LOAD("ip2500_eprom.bin", 0x00000, 0x20000, NO_DUMP, ROM_BIOS(1))

	ROM_REGION(0x20000, INTERPRO_FLASH_TAG "_lo", 0)
	ROM_LOAD_OPTIONAL("y225.u76", 0x00000, 0x20000, CRC(46c0b105) SHA1(7c4a104e4fb3d0e5e8db7c911cdfb3f5c4fb0218))

	ROM_REGION(0x20000, INTERPRO_FLASH_TAG "_hi", 0)
	ROM_LOAD_OPTIONAL("y226.u67", 0x00000, 0x20000, CRC(54d95730) SHA1(a4e114dee1567d8aa31eed770f7cc366588f395c))
ROM_END

ROM_START(ip2700)
	ROM_REGION(0x80, INTERPRO_IDPROM_TAG, 0)
	ROM_LOAD32_BYTE("msmt128a.bin", 0x0, 0x20, CRC(6d8e68e8) SHA1(a649097df730c79b03bbf777b788f0721e072f03))

	ROM_REGION(0x0020000, INTERPRO_EPROM_TAG, 0)
	ROM_SYSTEM_BIOS(0, "ip2700", "InterPro 2700 EPROM")
	ROMX_LOAD("mprgz530a__9405181.u35", 0x00000, 0x20000, CRC(467ce7bd) SHA1(53faee40d5df311f53b24c930e434cbf94a5c4aa), ROM_BIOS(1))

	ROM_REGION(0x20000, INTERPRO_FLASH_TAG "_lo", 0)
	ROM_LOAD_OPTIONAL("y225.u76", 0x00000, 0x20000, CRC(46c0b105) SHA1(7c4a104e4fb3d0e5e8db7c911cdfb3f5c4fb0218))

	ROM_REGION(0x20000, INTERPRO_FLASH_TAG "_hi", 0)
	ROM_LOAD_OPTIONAL("y226.u67", 0x00000, 0x20000, CRC(54d95730) SHA1(a4e114dee1567d8aa31eed770f7cc366588f395c))
ROM_END

ROM_START(ip2800)
	ROM_REGION(0x80, INTERPRO_IDPROM_TAG, 0)
	ROM_LOAD32_BYTE("msmt145a.bin", 0x0, 0x20, CRC(e1c265e3) SHA1(105d646552d56c7af2f403aac1aa97b047b6a50e))

	ROM_REGION(0x0020000, INTERPRO_EPROM_TAG, 0)
	ROM_SYSTEM_BIOS(0, "ip2800", "InterPro 2800 EPROM")
	ROMX_LOAD("ip2800_eprom.bin", 0x00000, 0x20000, CRC(467ce7bd) SHA1(53faee40d5df311f53b24c930e434cbf94a5c4aa), ROM_BIOS(1))

	ROM_REGION(0x20000, INTERPRO_FLASH_TAG "_lo", 0)
	ROM_LOAD_OPTIONAL("y225.u76", 0x00000, 0x20000, CRC(46c0b105) SHA1(7c4a104e4fb3d0e5e8db7c911cdfb3f5c4fb0218))

	ROM_REGION(0x20000, INTERPRO_FLASH_TAG "_hi", 0)
	ROM_LOAD_OPTIONAL("y226.u67", 0x00000, 0x20000, CRC(54d95730) SHA1(a4e114dee1567d8aa31eed770f7cc366588f395c))
ROM_END

/*    YEAR   NAME        PARENT  COMPAT  MACHINE     INPUT     CLASS            INIT       COMPANY         FULLNAME         FLAGS */
COMP( 1989,  ip2000,     0,      0,      ip2000,     interpro, turquoise_state, turquoise, "Intergraph",   "InterPro 2000", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)
COMP( 1991?, ip2400,     0,      0,      ip2400,     interpro, sapphire_state,  sapphire,  "Intergraph",   "InterPro 2400", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)
COMP( 1993?, ip2500,     0,      0,      ip2500,     interpro, sapphire_state,  sapphire,  "Intergraph",   "InterPro 2500", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)
COMP( 1992,  ip2700,     0,      0,      ip2700,     interpro, sapphire_state,  sapphire,  "Intergraph",   "InterPro 2700", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)
COMP( 1994,  ip2800,     0,      0,      ip2800,     interpro, sapphire_state,  sapphire,  "Intergraph",   "InterPro 2800", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)