diff --git a/src/mame/drivers/mindset.cpp b/src/mame/drivers/mindset.cpp
index dcbab67301c..75f2895ddbb 100644
--- a/src/mame/drivers/mindset.cpp
+++ b/src/mame/drivers/mindset.cpp
@@ -21,12 +21,15 @@ public:
 protected:
 	required_device<i80186_cpu_device> m_maincpu;
 	required_device<i8042_device> m_syscpu, m_soundcpu;
+	required_device<i8749_device> m_kbdcpu;
 	required_device<screen_device> m_screen;
 	required_shared_ptr<u16> m_vram;
+	required_ioport_array<11> m_kbd_row;
 
 	memory_access_cache<1, 0, ENDIANNESS_LITTLE> *m_gcos;
 
 	u16 m_dispctrl;
+	u8 m_kbd_p1, m_kbd_p2;
 
 	static u16 gco_blend_0(u16, u16);
 	static u16 gco_blend_1(u16, u16);
@@ -59,6 +62,13 @@ protected:
 	void sys_p1_w(u8 data);
 	void sys_p2_w(u8 data);
 
+	void kbd_p1_w(u8 data);
+	void kbd_p2_w(u8 data);
+	int kbd_t1_r();
+	u8 kbd_d_r();
+
+	u16 keyscan();
+
 	u32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
 
 	virtual void machine_start() override;
@@ -71,8 +81,10 @@ mindset_state::mindset_state(const machine_config &mconfig, device_type type, co
 	m_maincpu(*this, "maincpu"),
 	m_syscpu(*this, "syscpu"),
 	m_soundcpu(*this, "soundcpu"),
+	m_kbdcpu(*this, "kbdcpu"),
 	m_screen(*this, "screen"),
-	m_vram(*this, "vram")
+	m_vram(*this, "vram"),
+	m_kbd_row(*this, "K%02u", 0U)
 {
 }
 
@@ -88,25 +100,25 @@ void mindset_state::machine_reset()
 int mindset_state::sys_t0_r()
 {
 	logerror("SYS: read t0 (%03x)\n", m_syscpu->pc());
-	return 0;
+	return true;
 }
 
 int mindset_state::sys_t1_r()
 {
 	logerror("SYS: read t1\n");
-	return 0;
+	return true;
 }
 
 u8 mindset_state::sys_p1_r()
 {
 	logerror("SYS: read p1\n");
-	return 0;
+	return 0xff;
 }
 
 u8 mindset_state::sys_p2_r()
 {
 	logerror("SYS: read p2 (%03x)\n", m_syscpu->pc());
-	return 0;
+	return 0xff;
 }
 
 void mindset_state::sys_p1_w(u8 data)
@@ -120,6 +132,40 @@ void mindset_state::sys_p2_w(u8 data)
 	logerror("SYS: write p2 %02x\n", data);
 }
 
+void mindset_state::kbd_p1_w(u8 data)
+{
+	m_kbd_p1 = data;
+}
+
+void mindset_state::kbd_p2_w(u8 data)
+{
+	if((m_kbd_p2 ^ data) & 0x40)
+		logerror("KBD: %d output bit %d\n", m_kbdcpu->total_cycles(), (m_kbd_p2 & 0x40) != 0);
+	m_kbd_p2 = data;
+}
+
+u8 mindset_state::kbd_d_r()
+{
+	return keyscan();
+}
+
+int mindset_state::kbd_t1_r()
+{
+	return keyscan() & 0x100;
+}
+
+u16 mindset_state::keyscan()
+{
+	u16 src = (m_kbd_p2 << 8) | m_kbd_p1;
+	u16 res = 0x1ff;
+	for(unsigned int i=0; i<11; i++)
+		if(!(src & (1 << i)))
+			res &= m_kbd_row[i]->read();
+	return res;
+}
+
+
+
 u16 mindset_state::dispctrl_r()
 {
 	return m_dispctrl;
@@ -155,7 +201,7 @@ u32 mindset_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, co
 				*dest++ = pal[(sv >>  8) & 3];
 			}
 		}
-	} else if(true) {
+	} else if(false) {
 		for(u32 y=0; y<200; y++) {
 			const u16 *src = m_vram + 40*y;
 			u32 *dest = &bitmap.pix32(y);
@@ -370,7 +416,7 @@ void mindset_state::gco_w(u16)
 	// 100 = done, 200 = done too???, 400 = collision?
 	m_gcos->write_word(0xbfd74, m_gcos->read_word(0xbfd74) | 0x0700);
 
-	// Can trigger an irq, on mode & 2 (or is it 200?) (0x40 on 8282, ack on 0x41)
+	// Can trigger an irq, on mode & 2 (or is it 200?) (0x40 on 8282, ack on 0x41, which means the system 8042...)
 }
 
 void mindset_state::maincpu_mem(address_map &map)
@@ -405,6 +451,13 @@ void mindset_state::mindset(machine_config &config)
 
 	I8042(config, m_soundcpu, 12_MHz_XTAL);
 
+	I8749(config, m_kbdcpu, 6_MHz_XTAL);
+	m_kbdcpu->p1_out_cb().set(FUNC(mindset_state::kbd_p1_w));
+	m_kbdcpu->p2_out_cb().set(FUNC(mindset_state::kbd_p2_w));
+	m_kbdcpu->bus_in_cb().set(FUNC(mindset_state::kbd_d_r));
+	m_kbdcpu->t1_in_cb().set(FUNC(mindset_state::kbd_t1_r));
+
+	// Should be NTSC actually... we'll see
 	SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
 	m_screen->set_refresh_hz(60);
 	m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(100));
@@ -415,10 +468,129 @@ void mindset_state::mindset(machine_config &config)
 	//	m_screen->screen_vblank().set(m_maincpu, FUNC(i80186_cpu_device::int0_w));
 	m_screen->screen_vblank().set(m_maincpu, FUNC(i80186_cpu_device::int1_w));
 	//	m_screen->screen_vblank().set(m_maincpu, FUNC(i80186_cpu_device::int2_w));
-	//	m_screen->screen_vblank().set(m_maincpu, FUNC(i80186_cpu_device::int3_w));
 }
 
 static INPUT_PORTS_START(mindset)
+	PORT_START("K00")
+	PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2)          PORT_CHAR('2') PORT_CHAR('@')
+	PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3)          PORT_CHAR('3') PORT_CHAR('#')
+	PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4)          PORT_CHAR('4') PORT_CHAR('$')
+	PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5)          PORT_CHAR('5') PORT_CHAR('%')
+	PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6)          PORT_CHAR('6') PORT_CHAR('^')
+	PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7)          PORT_CHAR('7') PORT_CHAR('&')
+	PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8)          PORT_CHAR('8') PORT_CHAR('*')
+	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9)          PORT_CHAR('9') PORT_CHAR('(')
+	PORT_BIT(0x100, IP_ACTIVE_LOW, IPT_UNUSED)
+
+	PORT_START("K01")
+	PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F9)         PORT_CHAR(UCHAR_MAMEKEY(F9))
+	PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F10)        PORT_CHAR(UCHAR_MAMEKEY(F10))
+	PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD)                               PORT_NAME("Start")
+	PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PAUSE)      PORT_NAME("Pause")
+	PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F11)        PORT_NAME("Sys config")
+	PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F12)        PORT_NAME("Reset")
+	PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC)        PORT_CHAR(UCHAR_MAMEKEY(ESC))
+	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1)          PORT_CHAR('1') PORT_CHAR('!')
+	PORT_BIT(0x100, IP_ACTIVE_LOW, IPT_UNUSED)
+
+	PORT_START("K02")
+	PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F1)         PORT_CHAR(UCHAR_MAMEKEY(F1))
+	PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F2)         PORT_CHAR(UCHAR_MAMEKEY(F2))
+	PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F3)         PORT_CHAR(UCHAR_MAMEKEY(F3))
+	PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F4)         PORT_CHAR(UCHAR_MAMEKEY(F4))
+	PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F5)         PORT_CHAR(UCHAR_MAMEKEY(F5))
+	PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F6)         PORT_CHAR(UCHAR_MAMEKEY(F6))
+	PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F7)         PORT_CHAR(UCHAR_MAMEKEY(F7))
+	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F8)         PORT_CHAR(UCHAR_MAMEKEY(F8))
+	PORT_BIT(0x100, IP_ACTIVE_LOW, IPT_UNUSED)
+
+	PORT_START("K03")
+	PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0)          PORT_CHAR('0') PORT_CHAR(')')
+	PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS)      PORT_CHAR('-') PORT_CHAR('_')
+	PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS)     PORT_CHAR('=') PORT_CHAR('+')
+	PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE)      PORT_CHAR('`') PORT_CHAR('~')
+	PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH)  PORT_CHAR('\\') PORT_CHAR('|')
+	PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB)        PORT_CHAR('\t')
+	PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q)          PORT_CHAR('q') PORT_CHAR('Q')
+	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W)          PORT_CHAR('w') PORT_CHAR('W')
+	PORT_BIT(0x100, IP_ACTIVE_LOW, IPT_UNUSED)
+
+	PORT_START("K04")
+	PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E)          PORT_CHAR('e') PORT_CHAR('E')
+	PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R)          PORT_CHAR('r') PORT_CHAR('R')
+	PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T)          PORT_CHAR('t') PORT_CHAR('T')
+	PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y)          PORT_CHAR('y') PORT_CHAR('Y')
+	PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U)          PORT_CHAR('u') PORT_CHAR('U')
+	PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I)          PORT_CHAR('i') PORT_CHAR('I')
+	PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O)          PORT_CHAR('o') PORT_CHAR('O')
+	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P)          PORT_CHAR('p') PORT_CHAR('P')
+	PORT_BIT(0x100, IP_ACTIVE_LOW, IPT_UNUSED)
+
+	PORT_START("K05")
+	PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE)  PORT_CHAR('[') PORT_CHAR('{')
+	PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}')
+	PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE)  PORT_CHAR(8)
+	PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL)   PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) PORT_NAME("Control")
+	PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_UNUSED)
+	PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A)          PORT_CHAR('a') PORT_CHAR('A')
+	PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S)          PORT_CHAR('s') PORT_CHAR('S')
+	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D)          PORT_CHAR('d') PORT_CHAR('D')
+	PORT_BIT(0x100, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CAPSLOCK)   PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_NAME("Caps lock")
+
+	PORT_START("K06")
+	PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F)          PORT_CHAR('f') PORT_CHAR('F')
+	PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G)          PORT_CHAR('g') PORT_CHAR('G')
+	PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H)          PORT_CHAR('h') PORT_CHAR('H')
+	PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J)          PORT_CHAR('j') PORT_CHAR('J')
+	PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K)          PORT_CHAR('k') PORT_CHAR('K')
+	PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L)          PORT_CHAR('l') PORT_CHAR('L')
+	PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON)      PORT_CHAR(';') PORT_CHAR(':')
+	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE)      PORT_CHAR('\'') PORT_CHAR('"')
+	PORT_BIT(0x100, IP_ACTIVE_LOW, IPT_UNUSED)
+
+	PORT_START("K07")
+	PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER)      PORT_CHAR(13) PORT_NAME("Return")
+	PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LALT)       PORT_CHAR(UCHAR_MAMEKEY(LALT)) PORT_NAME("Alt")
+	PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT)     PORT_CHAR(UCHAR_SHIFT_1) PORT_NAME("Shift (Left)")
+	PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z)          PORT_CHAR('z') PORT_CHAR('Z')
+	PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X)          PORT_CHAR('x') PORT_CHAR('X')
+	PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C)          PORT_CHAR('c') PORT_CHAR('C')
+	PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V)          PORT_CHAR('v') PORT_CHAR('V')
+	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B)          PORT_CHAR('b') PORT_CHAR('B')
+	PORT_BIT(0x100, IP_ACTIVE_LOW, IPT_UNUSED)
+
+	PORT_START("K08")
+	PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N)          PORT_CHAR('n') PORT_CHAR('N')
+	PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M)          PORT_CHAR('m') PORT_CHAR('M')
+	PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA)      PORT_CHAR(',') PORT_CHAR('<')
+	PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP)       PORT_CHAR('.') PORT_CHAR('>')
+	PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH)      PORT_CHAR('/') PORT_CHAR('?')
+	PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RSHIFT)     PORT_CHAR(UCHAR_SHIFT_1) PORT_NAME("Shift (Right)")
+	PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PRTSCR)     PORT_CHAR(UCHAR_MAMEKEY(PRTSCR)) PORT_NAME("Prt Scn")
+	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE)      PORT_CHAR(' ')
+	PORT_BIT(0x100, IP_ACTIVE_LOW, IPT_UNUSED)
+
+	PORT_START("K09")
+	PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_INSERT)     PORT_CHAR(UCHAR_MAMEKEY(INSERT))
+	PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PGUP)       PORT_CHAR(UCHAR_MAMEKEY(PGUP))
+	PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD)                               PORT_NAME("Break")
+	PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL)        PORT_CHAR(UCHAR_MAMEKEY(DEL))
+	PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PGDN)       PORT_CHAR(UCHAR_MAMEKEY(PGDN))
+	PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_UNUSED)
+	PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_HOME)       PORT_CHAR(UCHAR_MAMEKEY(HOME))
+	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP)         PORT_CHAR(UCHAR_MAMEKEY(UP))
+	PORT_BIT(0x100, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SCRLOCK)    PORT_CHAR(UCHAR_MAMEKEY(SCRLOCK))
+
+	PORT_START("K10")
+	PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_END)        PORT_CHAR(UCHAR_MAMEKEY(END))
+	PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT)       PORT_CHAR(UCHAR_MAMEKEY(LEFT))
+	PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN)       PORT_CHAR(UCHAR_MAMEKEY(DOWN))
+	PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT)      PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
+	PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_UNUSED)
+	PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_UNUSED)
+	PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_UNUSED)
+	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_UNUSED)
+	PORT_BIT(0x100, IP_ACTIVE_LOW, IPT_UNUSED)
 INPUT_PORTS_END
 
 ROM_START(mindset)
@@ -431,6 +603,9 @@ ROM_START(mindset)
 
 	ROM_REGION(0x0800, "soundcpu", 0)
 	ROM_LOAD("253006-001.u16", 0, 0x800, CRC(7bea5edd) SHA1(30cdc0dedaa5246f4952df452a99ca22e3cd0636))
+
+	ROM_REGION(0x0800, "kbdcpu", 0)
+	ROM_LOAD("kbd_v3.0.bin", 0, 0x800, CRC(1) SHA1(1))
 ROM_END
 
 COMP( 1984, mindset, 0, 0, mindset, mindset, mindset_state, empty_init, "Mindset Corporation", "Mindset Video Production System", MACHINE_NOT_WORKING|MACHINE_NO_SOUND)