diff --git a/scripts/src/bus.lua b/scripts/src/bus.lua
index 7bfef275e8b..9aa8111eb51 100644
--- a/scripts/src/bus.lua
+++ b/scripts/src/bus.lua
@@ -1426,6 +1426,8 @@ if (BUSES["ISA"]~=null) then
 		MAME_DIR .. "src/devices/bus/isa/svga_cirrus.h",
 		MAME_DIR .. "src/devices/bus/isa/ega.cpp",
 		MAME_DIR .. "src/devices/bus/isa/ega.h",
+		MAME_DIR .. "src/devices/bus/isa/ex1280.cpp",
+		MAME_DIR .. "src/devices/bus/isa/ex1280.h",
 		MAME_DIR .. "src/devices/bus/isa/pgc.cpp",
 		MAME_DIR .. "src/devices/bus/isa/pgc.h",
 		MAME_DIR .. "src/devices/bus/isa/vga.cpp",
diff --git a/src/devices/bus/isa/ex1280.cpp b/src/devices/bus/isa/ex1280.cpp
new file mode 100644
index 00000000000..393f40fb51d
--- /dev/null
+++ b/src/devices/bus/isa/ex1280.cpp
@@ -0,0 +1,216 @@
+// license:BSD-3-Clause
+// copyright-holders:Ryan Holtz
+
+#include "emu.h"
+#include "ex1280.h"
+
+
+DEFINE_DEVICE_TYPE(ISA16_EX1280, isa16_ex1280_device, "ex1280", "Vectrix EX1280")
+
+//-------------------------------------------------
+//  isa16_ex1280_device - constructor
+//-------------------------------------------------
+
+isa16_ex1280_device::isa16_ex1280_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
+	: device_t(mconfig, ISA16_EX1280, tag, owner, clock)
+	, device_isa16_card_interface(mconfig, *this)
+	, m_cpu(*this, "maincpu")
+	, m_ramdac(*this, "ramdac")
+	, m_screen(*this, "screen")
+{
+}
+
+
+//-------------------------------------------------
+//  device_start - device-specific startup
+//-------------------------------------------------
+
+void isa16_ex1280_device::device_start()
+{
+	set_isa_device();
+
+	save_item(NAME(m_flags));
+}
+
+
+//-------------------------------------------------
+//  device_reset - device-specific reset
+//-------------------------------------------------
+
+void isa16_ex1280_device::device_reset()
+{
+	m_vram.clear();
+	m_vram.resize(0xa00000);
+	m_flags = 0x0002;
+}
+
+
+//-------------------------------------------------
+//  main_map - memory map for the card's TMS34010
+//-------------------------------------------------
+
+void isa16_ex1280_device::main_map(address_map &map)
+{
+	map(0x00000000, 0x009fffff).rw(FUNC(isa16_ex1280_device::vram_r), FUNC(isa16_ex1280_device::vram_w));
+	map(0x04000000, 0x04000fff).rw(FUNC(isa16_ex1280_device::regs_r), FUNC(isa16_ex1280_device::regs_w));
+	map(0xfff00000, 0xfffbffff).ram();
+	map(0xfffc0000, 0xffffffff).rom().region("ex1280", 0);
+}
+
+
+//-------------------------------------------------
+//  device_add_mconfig - add device configuration
+//-------------------------------------------------
+
+void isa16_ex1280_device::device_add_mconfig(machine_config &config)
+{
+	TMS34010(config, m_cpu, 64000000);
+	m_cpu->set_addrmap(AS_PROGRAM, &isa16_ex1280_device::main_map);
+	m_cpu->set_halt_on_reset(false);
+	m_cpu->set_pixel_clock(64000000);
+	m_cpu->set_pixels_per_clock(1);
+	m_cpu->set_scanline_rgb32_callback(FUNC(isa16_ex1280_device::scanline_update));
+	m_cpu->set_shiftreg_in_callback(FUNC(isa16_ex1280_device::to_shiftreg));         /* write to shiftreg function */
+	m_cpu->set_shiftreg_out_callback(FUNC(isa16_ex1280_device::from_shiftreg));      /* read from shiftreg function */
+	m_cpu->set_screen(m_screen);
+
+	SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
+	m_screen->set_refresh_hz(60);
+	m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(2500)); // Not accurate
+	m_screen->set_size(640, 480);
+	m_screen->set_visarea(0, 640-1, 0, 480-1);
+	m_screen->set_screen_update(m_cpu, FUNC(tms34010_device::tms340x0_rgb32));
+	m_screen->screen_vblank().set(FUNC(isa16_ex1280_device::vblank_w));
+
+	BT451(config, m_ramdac, 0);
+}
+
+
+//-------------------------------------------------
+//  regs_r - register read handler
+//-------------------------------------------------
+
+READ16_MEMBER(isa16_ex1280_device::regs_r)
+{
+	uint16_t data = 0;
+	if (offset == 0)
+	{
+		data = m_flags;
+	}
+	else if (offset == 4)
+	{
+		data = 0x0000;
+	}
+	logerror("%s: regs_r: %08x: %04x & %04x\n", machine().describe_context(), 0x04000000 | (offset << 1), data, mem_mask);
+	return data;
+}
+
+
+//-------------------------------------------------
+//  regs_w - register write handler
+//-------------------------------------------------
+
+WRITE16_MEMBER(isa16_ex1280_device::regs_w)
+{
+	logerror("%s: regs_w: %08x = %04x & %04x\n", machine().describe_context(), 0x04000000 | (offset << 1), data, mem_mask);
+}
+
+
+//-------------------------------------------------
+//  vram_r - VRAM direct read handler
+//-------------------------------------------------
+
+READ16_MEMBER(isa16_ex1280_device::vram_r)
+{
+	logerror("vram_r: %08x = %04x\n", offset, m_vram[offset]);
+	return m_vram[offset];
+}
+
+
+//-------------------------------------------------
+//  vram_r - VRAM direct write handler
+//-------------------------------------------------
+
+WRITE16_MEMBER(isa16_ex1280_device::vram_w)
+{
+	logerror("vram_r: %08x = %04x & %04x\n", offset, data, mem_mask);
+	COMBINE_DATA(&m_vram[offset]);
+}
+
+
+//-------------------------------------------------
+//  scanline_update -
+//-------------------------------------------------
+
+TMS340X0_SCANLINE_RGB32_CB_MEMBER(isa16_ex1280_device::scanline_update)
+{
+	uint16_t *src = &m_vram[params->rowaddr << 8];
+	uint32_t *dest = &bitmap.pix32(scanline);
+	const pen_t *pens = m_ramdac->pens();
+	int coladdr = params->coladdr << 1;
+
+	/* copy the non-blanked portions of this scanline */
+	for (int x = params->heblnk; x < params->hsblnk; x += 4)
+	{
+		uint16_t pixels = src[coladdr++];
+		dest[x + 0] = pens[pixels & 0x0f];
+		dest[x + 1] = pens[(pixels >> 4) & 0x0f];
+		dest[x + 2] = pens[(pixels >> 8) & 0x0f];
+		dest[x + 3] = pens[(pixels >> 12) & 0x0f];
+	}
+}
+
+
+//-------------------------------------------------
+//  to_shiftreg - handle VRAM->TMS shift register
+//-------------------------------------------------
+
+TMS340X0_TO_SHIFTREG_CB_MEMBER(isa16_ex1280_device::to_shiftreg)
+{
+	printf("address to shiftreg: %08x\n", address);
+	if (address < 0xa00000)
+	{
+		memcpy(shiftreg, &m_vram[address >> 4], 0x400);
+	}
+}
+
+
+//---------------------------------------------------
+//  from_shiftreg - handle TMS shift register->VRAM
+//---------------------------------------------------
+
+TMS340X0_FROM_SHIFTREG_CB_MEMBER(isa16_ex1280_device::from_shiftreg)
+{
+	printf("address from shiftreg: %08x\n", address);
+	if (address < 0xa00000)
+	{
+		memcpy(&m_vram[address >> 4], shiftreg, 0x400);
+	}
+}
+
+
+//-------------------------------------------------
+//  vblank_w - toggle vblank bit(?)
+//-------------------------------------------------
+
+WRITE_LINE_MEMBER(isa16_ex1280_device::vblank_w)
+{
+	//m_flags &= ~(1 << 1);
+	//m_flags |= (state << 1);
+}
+
+
+//-------------------------------------------------
+//  rom_region - device-specific ROM region
+//-------------------------------------------------
+
+ROM_START( ex1280 )
+	ROM_REGION16_LE(0x8000, "ex1280", 0)
+	ROM_LOAD16_BYTE("hbv10lo.bin", 0x0000, 0x4000, CRC(4de578b8) SHA1(cd7bc7859dd44f978adca7506afb0a1a73cb1121) )
+	ROM_LOAD16_BYTE("hbv10hi.bin", 0x0001, 0x4000, CRC(b87caa0c) SHA1(88c19cf36cb98e59810dad2a2f1f0e6c884cd7eb) )
+ROM_END
+
+const tiny_rom_entry *isa16_ex1280_device::device_rom_region() const
+{
+	return ROM_NAME( ex1280 );
+}
diff --git a/src/devices/bus/isa/ex1280.h b/src/devices/bus/isa/ex1280.h
new file mode 100644
index 00000000000..ebc18722ea2
--- /dev/null
+++ b/src/devices/bus/isa/ex1280.h
@@ -0,0 +1,62 @@
+// license:BSD-3-Clause
+// copyright-holders:Ryan Holtz
+#ifndef MAME_BUS_ISA_EX1280_H
+#define MAME_BUS_ISA_EX1280_H
+
+#pragma once
+
+#include "isa.h"
+#include "cpu/tms34010/tms34010.h"
+#include "video/bt45x.h"
+#include "screen.h"
+
+//**************************************************************************
+//  TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> isa16_ex1280_device
+
+class isa16_ex1280_device : public device_t,
+	public device_isa16_card_interface
+{
+public:
+	// construction/destruction
+	isa16_ex1280_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+	// Flag non working features
+	static constexpr feature_type unemulated_features() { return feature::GRAPHICS | feature::PALETTE; }
+
+protected:
+	// device-level overrides
+	virtual void device_start() override;
+	virtual void device_reset() override;
+
+	// optional information overrides
+	virtual void device_add_mconfig(machine_config &config) override;
+	virtual const tiny_rom_entry *device_rom_region() const override;
+
+	DECLARE_READ16_MEMBER(vram_r);
+	DECLARE_WRITE16_MEMBER(vram_w);
+	DECLARE_READ16_MEMBER(regs_r);
+	DECLARE_WRITE16_MEMBER(regs_w);
+	DECLARE_WRITE_LINE_MEMBER(vblank_w);
+
+	required_device<tms34010_device> m_cpu;
+	required_device<bt451_device> m_ramdac;
+	required_device<screen_device> m_screen;
+
+	TMS340X0_TO_SHIFTREG_CB_MEMBER(to_shiftreg);
+	TMS340X0_FROM_SHIFTREG_CB_MEMBER(from_shiftreg);
+	TMS340X0_SCANLINE_RGB32_CB_MEMBER(scanline_update);
+
+	void main_map(address_map &map);
+
+	std::vector<uint16_t> m_vram;
+	uint16_t m_flags;
+};
+
+
+// device type definition
+DECLARE_DEVICE_TYPE(ISA16_EX1280, isa16_ex1280_device)
+
+#endif // MAME_BUS_ISA_EX1280_H
diff --git a/src/devices/bus/isa/isa_cards.cpp b/src/devices/bus/isa/isa_cards.cpp
index 17b42e105d9..ec0603facbd 100644
--- a/src/devices/bus/isa/isa_cards.cpp
+++ b/src/devices/bus/isa/isa_cards.cpp
@@ -23,6 +23,7 @@
 #include "svga_trident.h"
 #include "num9rev.h"
 #include "eis_hgb107x.h"
+#include "ex1280.h"
 
 // storage
 #include "fdc.h"
@@ -209,6 +210,7 @@ void pc_isa16_cards(device_slot_interface &device)
 	device.option_add("bt542bh", BT542BH);
 	device.option_add("bt545s", BT545S);
 	device.option_add("dcb", NOVELL_DCB);
+	device.option_add("ex1280", ISA16_EX1280);
 	device.option_add("ultra12f", ULTRA12F);
 	device.option_add("ultra14f", ULTRA14F);
 	device.option_add("ultra24f", ULTRA24F); // actually an EISA card