New working machines

--------------------
TI-1680 [hap, Sean Riddle]

scripts/src/machine.lua

@@ -3280,6 +3280,18 @@ if (MACHINES["TMC0430"]~=null) then
 	}
 end
 
+---------------------------------------------------
+--
+--@src/devices/machine/tmc0999.h,MACHINES["TMC0999"] = true
+---------------------------------------------------
+
+if (MACHINES["TMC0999"]~=null) then
+	files {
+		MAME_DIR .. "src/devices/machine/tmc0999.cpp",
+		MAME_DIR .. "src/devices/machine/tmc0999.h",
+	}
+end
+
 ---------------------------------------------------
 --
 --@src/devices/machine/tmc208k.h,MACHINES["TMC208K"] = true

scripts/target/mame/mess.lua

@@ -700,6 +700,7 @@ MACHINES["TDC1008"] = true
 --MACHINES["TE7750"] = true
 MACHINES["TIMEKPR"] = true
 MACHINES["TMC0430"] = true
+MACHINES["TMC0999"] = true
 MACHINES["TMC208K"] = true
 MACHINES["TMP68301"] = true
 MACHINES["TMS5501"] = true

src/devices/cpu/tms1000/tms0980.cpp

@@ -187,7 +187,7 @@ void tms0980_cpu_device::read_opcode()
 u8 tms0980_cpu_device::read_k_input()
 {
 	u8 k = m_read_k(0, 0xff) & 0x1f;
-	u8 k3 = (k & 0x10) ? 3: 0; // the TMS0980 K3 line is simply K1|K2
+	u8 k3 = (k & 0x10) ? 3: 0; // the K3 line is simply K1|K2
 	return (k & 0xf) | k3;
 }
 

src/devices/cpu/tms1000/tms0980.h

@@ -52,7 +52,6 @@ protected:
 	virtual void device_add_mconfig(machine_config &config) override;
 
 	virtual void write_o_output(u8 index) override { tms1k_base_device::write_o_output(index); }
-	virtual u8 read_k_input() override { return tms1k_base_device::read_k_input(); }
 
 	virtual void op_setr() override { tms1k_base_device::op_setr(); }
 	virtual void op_tdo() override;

src/devices/machine/tmc0999.cpp

@@ -0,0 +1,90 @@
+// license:BSD-3-Clause
+// copyright-holders:hap
+/*
+
+Texas Instruments TMC0999 256x4 RAM
+
+It's not a standard RAM chip, it has separate pins for input and output
+and an internal address latch.
+
+TODO:
+- no official documentation is known to exist, unknown if anything is missing
+- pin names are unknown
+
+*/
+
+#include "emu.h"
+#include "machine/tmc0999.h"
+
+
+DEFINE_DEVICE_TYPE(TMC0999, tmc0999_device, "tmc0999", "TI TMC0999 RAM")
+
+//-------------------------------------------------
+//  constructor
+//-------------------------------------------------
+
+tmc0999_device::tmc0999_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
+	device_t(mconfig, TMC0999, tag, owner, clock)
+{ }
+
+
+//-------------------------------------------------
+//  device_start - device-specific startup
+//-------------------------------------------------
+
+void tmc0999_device::device_start()
+{
+	memset(m_ram, 0, sizeof(m_ram));
+
+	// register for savestates
+	save_item(NAME(m_data));
+	save_item(NAME(m_wr));
+	save_item(NAME(m_rd));
+	save_item(NAME(m_adr_strobe));
+	save_item(NAME(m_ram_address));
+	save_item(NAME(m_ram));
+}
+
+
+//-------------------------------------------------
+//  handlers
+//-------------------------------------------------
+
+void tmc0999_device::di_w(u8 data)
+{
+	m_data = data & 0xf;
+}
+
+u8 tmc0999_device::do_r()
+{
+	return m_rd ? m_ram[m_ram_address] : 0;
+}
+
+void tmc0999_device::wr_w(int state)
+{
+	state = state ? 1 : 0;
+
+	// write to RAM on rising edge
+	if (state && !m_wr)
+		m_ram[m_ram_address] = m_data;
+	m_wr = state;
+}
+
+void tmc0999_device::rd_w(int state)
+{
+	// enable data outputs
+	m_rd = state ? 1 : 0;
+}
+
+void tmc0999_device::adr_w(int state)
+{
+	state = state ? 1 : 0;
+
+	// set RAM address lo on rising edge
+	// set RAM address hi on falling edge
+	if (state && !m_adr_strobe)
+		m_ram_address = (m_ram_address & 0xf0) | m_data;
+	else if (!state && m_adr_strobe)
+		m_ram_address = (m_ram_address & 0x0f) | m_data << 4;
+	m_adr_strobe = state;
+}

src/devices/machine/tmc0999.h

@@ -0,0 +1,57 @@
+// license:BSD-3-Clause
+// copyright-holders:hap
+/*
+
+  Texas Instruments TMC0999 256x4 RAM
+
+*/
+
+#ifndef MAME_MACHINE_TMC0999_H
+#define MAME_MACHINE_TMC0999_H
+
+#pragma once
+
+/*
+
+quick pinout reference (18-pin DIP)
+
+17,18,1,2: data outputs (do_r)
+3-6: data inputs (di_w)
+7: address latch strobe (adr_w)
+13: data input strobe (wr_w)
+14: data output enable (rd_w)
+
+*/
+
+
+class tmc0999_device : public device_t
+{
+public:
+	tmc0999_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0);
+
+	void di_w(u8 data);
+	u8 do_r();
+	void wr_w(int state);
+	void rd_w(int state);
+	void adr_w(int state);
+
+protected:
+	// device-level overrides
+	virtual void device_start() override;
+
+private:
+	// input pins state
+	u8 m_data = 0;
+	int m_wr = 0;
+	int m_rd = 0;
+	int m_adr_strobe = 0;
+
+	// internal state
+	u8 m_ram_address = 0;
+	u8 m_ram[0x100];
+};
+
+
+DECLARE_DEVICE_TYPE(TMC0999, tmc0999_device)
+
+#endif // MAME_MACHINE_TMC0999_H

src/mame/drivers/fidel_sc12.cpp

@@ -3,9 +3,8 @@
 // thanks-to:Berger, yoyo_chessboard
 /******************************************************************************
 
-Fidelity Sensory 12 Chess Challenger (SC12-B, 6086)
+Fidelity Sensory 12 Chess Challenger (SC12, 6086)
-4 versions are known to exist: A,B,C, and X, with increasing CPU speed.
+------------------------------------
----------------------------------
 RE information from netlist by Berger
 
 8*(8+1) buttons, 8+8+2 red LEDs
@@ -273,5 +272,5 @@ ROM_END
 ******************************************************************************/
 
 //    YEAR  NAME     PARENT  CMP MACHINE  INPUT  STATE       INIT        COMPANY, FULLNAME, FLAGS
-CONS( 1984, fscc12,  0,       0, sc12,    sc12,  sc12_state, empty_init, "Fidelity Electronics", "Sensory Chess Challenger \"12\"", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK | MACHINE_IMPERFECT_TIMING )
+CONS( 1984, fscc12,  0,       0, sc12,    sc12,  sc12_state, empty_init, "Fidelity Electronics", "Sensory Chess Challenger \"12\" (model SC12)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK | MACHINE_IMPERFECT_TIMING )
-CONS( 1984, fscc12b, fscc12,  0, sc12b,   sc12b, sc12_state, empty_init, "Fidelity Electronics", "Sensory Chess Challenger \"12 B\"", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK | MACHINE_IMPERFECT_TIMING )
+CONS( 1984, fscc12b, fscc12,  0, sc12b,   sc12b, sc12_state, empty_init, "Fidelity Electronics", "Sensory Chess Challenger \"12 B\" (model 6086)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK | MACHINE_IMPERFECT_TIMING )

src/mame/drivers/hh_tms1k.cpp

@@ -179,6 +179,7 @@ TODO:
 #include "machine/clock.h"
 #include "machine/ds8874.h"
 #include "machine/timer.h"
+#include "machine/tmc0999.h"
 #include "machine/tms1024.h"
 #include "sound/beep.h"
 #include "sound/s14001a.h"
@@ -266,6 +267,7 @@ TODO:
 #include "tcfballa.lh"
 #include "ti1250.lh"
 #include "ti1270.lh"
+#include "ti1680.lh"
 #include "ti25503.lh"
 #include "ti30.lh"
 #include "timaze.lh"
@@ -10405,11 +10407,11 @@ static INPUT_PORTS_START( ti30 )
 
 	// note: even though power buttons are on the matrix, they are not CPU-controlled
 	PORT_START("IN.7") // Vss!
-	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGUP) PORT_CODE(KEYCODE_DEL) PORT_NAME("On/C") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, true)
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F1) PORT_CODE(KEYCODE_DEL) PORT_NAME("On/C") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, true)
 	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_NAME("1/x")
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_NAME(UTF8_SQUAREROOT"x")
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_NAME("x" UTF8_POW_2)
-	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Off") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, false)
+	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F2) PORT_NAME("Off") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, false)
 INPUT_PORTS_END
 
 static INPUT_PORTS_START( tiprog )
@@ -10464,11 +10466,11 @@ static INPUT_PORTS_START( tiprog )
 
 	// note: even though power buttons are on the matrix, they are not CPU-controlled
 	PORT_START("IN.7") // Vss!
-	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_DEL) PORT_CODE(KEYCODE_PGUP) PORT_NAME("C/ON") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, true)
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F1) PORT_CODE(KEYCODE_DEL) PORT_NAME("C/ON") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, true)
 	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_NAME("DEC")
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_NAME("OCT")
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_NAME("HEX")
-	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Off") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, false)
+	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F2) PORT_NAME("Off") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, false)
 INPUT_PORTS_END
 
 static INPUT_PORTS_START( tibusan )
@@ -10524,11 +10526,11 @@ static INPUT_PORTS_START( tibusan )
 
 	// note: even though power buttons are on the matrix, they are not CPU-controlled
 	PORT_START("IN.7") // Vss!
-	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGUP) PORT_CODE(KEYCODE_DEL) PORT_NAME("On/C") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, true)
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F1) PORT_CODE(KEYCODE_DEL) PORT_NAME("On/C") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, true)
 	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_NAME("2nd")
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_NAME("x" UTF8_POW_2"  " UTF8_SQUAREROOT"x")
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_NAME("ln(x)  e" UTF8_POW_X)
-	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Off") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, false)
+	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F2) PORT_NAME("Off") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, false)
 INPUT_PORTS_END
 
 void ti30_state::ti30(machine_config &config)
@@ -10668,13 +10670,13 @@ static INPUT_PORTS_START( ti1000 )
 
 	// note: even though power buttons are on the matrix, they are not CPU-controlled
 	PORT_START("IN.3") // O3 or O4?
-	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Off") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, false)
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F2) PORT_NAME("Off") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, false)
 	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_NAME("+/-")
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_NAME("%")
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH_PAD) PORT_NAME(UTF8_DIVIDE)
 
 	PORT_START("IN.4") // O5
-	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGUP) PORT_CODE(KEYCODE_DEL) PORT_NAME("On/C") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, true)
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F1) PORT_CODE(KEYCODE_DEL) PORT_NAME("On/C") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, true)
 	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CODE(KEYCODE_0_PAD) PORT_NAME("0")
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CODE(KEYCODE_DEL_PAD) PORT_NAME(".")
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD) PORT_NAME("=")
@@ -11001,13 +11003,13 @@ static INPUT_PORTS_START( lilprof78 )
 
 	// note: even though power buttons are on the matrix, they are not CPU-controlled
 	PORT_START("IN.3") // O3 or O4?
-	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Off") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, false)
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_F2) PORT_NAME("Off") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, false)
 	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED )
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_S) PORT_NAME("Set")
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_L) PORT_NAME("Level")
 
 	PORT_START("IN.4") // O5
-	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_PGUP) PORT_CODE(KEYCODE_DEL) PORT_NAME("On") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, true)
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_F1) PORT_CODE(KEYCODE_DEL) PORT_NAME("On") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, true)
 	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_0) PORT_CODE(KEYCODE_0_PAD) PORT_NAME("0")
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD) PORT_NAME("Go")
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_PLUS_PAD) PORT_NAME("+")
@@ -11049,6 +11051,152 @@ ROM_END
 
 
 
+/***************************************************************************
+
+  TI-1680, TI-2550-IV
+  * TMS1980 MCU label TMC1981NL (die label 1980A 81F)
+  * TMC0999NL 256x4 RAM (die label 0999B)
+  * 9-digit cyan VFD display(leftmost digit is custom)
+
+  The extra RAM is for scrolling back through calculations. For some reason,
+  TI-2550-IV has the same hardware, this makes it very different from II and III.
+
+***************************************************************************/
+
+class ti1680_state : public hh_tms1k_state
+{
+public:
+	ti1680_state(const machine_config &mconfig, device_type type, const char *tag) :
+		hh_tms1k_state(mconfig, type, tag),
+		m_ram(*this, "ram")
+	{ }
+
+	required_device<tmc0999_device> m_ram;
+
+	void ti1680(machine_config &config);
+
+	virtual void update_display();
+	virtual void write_o(u16 data);
+	virtual void write_r(u16 data);
+	virtual u8 read_k();
+};
+
+// handlers
+
+void ti1680_state::update_display()
+{
+	// note the extra segment on R9 and R3
+	m_display->matrix(m_r & 0x1ff, m_o | (m_r >> 2 & 0x80) | (m_r << 5 & 0x100));
+}
+
+void ti1680_state::write_r(u16 data)
+{
+	// R8,R0,R5,R6: TMC0999 data inputs
+	// R2,R4+R1/R7: TMC0999 control pins
+	m_ram->di_w(bitswap<4>(data,8,0,5,6));
+	m_ram->adr_w(BIT(data, 2));
+	m_ram->wr_w(BIT(data, 4) & BIT(data, 7));
+	m_ram->rd_w(BIT(data, 4) & BIT(data, 1));
+
+	// R3-R8: input mux
+	m_inp_mux = data >> 3 & 0x3f;
+
+	// R0-R8: select digit
+	// R9: digit DP segment
+	m_r = data;
+	update_display();
+}
+
+void ti1680_state::write_o(u16 data)
+{
+	// O0-O6: digit segments A-G
+	m_o = bitswap<8>(data,7,1,6,5,4,3,2,0) & 0x7f;
+	update_display();
+}
+
+u8 ti1680_state::read_k()
+{
+	// K: multiplexed inputs, RAM data
+	return read_inputs(6) | m_ram->do_r();
+}
+
+// config
+
+static INPUT_PORTS_START( ti1680 )
+	PORT_START("IN.0") // R3
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_HOME) PORT_NAME("M")
+	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_END) PORT_NAME("MR")
+	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_PGUP) PORT_NAME("BST")
+	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_PGDN) PORT_NAME("RPL")
+
+	PORT_START("IN.1") // R4
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_F1) PORT_CODE(KEYCODE_DEL) PORT_NAME("On/C") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, true)
+	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_F2) PORT_NAME("Off") // -> auto_power_off
+	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_SLASH) PORT_NAME("%")
+	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_SLASH_PAD) PORT_NAME(UTF8_DIVIDE)
+
+	PORT_START("IN.2") // R5
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_7) PORT_CODE(KEYCODE_7_PAD) PORT_NAME("7")
+	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_8) PORT_CODE(KEYCODE_8_PAD) PORT_NAME("8")
+	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_9_PAD) PORT_NAME("9")
+	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_ASTERISK) PORT_NAME(UTF8_MULTIPLY)
+
+	PORT_START("IN.3") // R6
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD) PORT_NAME("4")
+	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD) PORT_NAME("5")
+	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD) PORT_NAME("6")
+	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_MINUS_PAD) PORT_NAME("-")
+
+	PORT_START("IN.4") // R7
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD) PORT_NAME("1")
+	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD) PORT_NAME("2")
+	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD) PORT_NAME("3")
+	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_PLUS_PAD) PORT_NAME("+")
+
+	PORT_START("IN.5") // R8
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_MINUS) PORT_NAME("+/-")
+	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_0) PORT_CODE(KEYCODE_0_PAD) PORT_NAME("0")
+	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_STOP) PORT_CODE(KEYCODE_DEL_PAD) PORT_NAME(".")
+	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD) PORT_NAME("=")
+INPUT_PORTS_END
+
+void ti1680_state::ti1680(machine_config &config)
+{
+	/* basic machine hardware */
+	TMS1980(config, m_maincpu, 300000); // approximation
+	m_maincpu->k().set(FUNC(ti1680_state::read_k));
+	m_maincpu->o().set(FUNC(ti1680_state::write_o));
+	m_maincpu->r().set(FUNC(ti1680_state::write_r));
+	m_maincpu->power_off().set(FUNC(hh_tms1k_state::auto_power_off));
+
+	TMC0999(config, m_ram);
+
+	/* video hardware */
+	PWM_DISPLAY(config, m_display).set_size(9, 9);
+	m_display->set_segmask(0x1fe, 0xff);
+	config.set_default_layout(layout_ti1680);
+
+	/* no sound! */
+}
+
+// roms
+
+ROM_START( ti1680 )
+	ROM_REGION( 0x1000, "maincpu", 0 )
+	ROM_LOAD16_WORD( "tmc1981nl", 0x0000, 0x1000, CRC(8467c5a1) SHA1(d3a48f6c9dd41e2dc0e0cfafa84dac8d21aacaa3) )
+
+	ROM_REGION( 1246, "maincpu:ipla", 0 )
+	ROM_LOAD( "tms0980_common1_instr.pla", 0, 1246, CRC(42db9a38) SHA1(2d127d98028ec8ec6ea10c179c25e447b14ba4d0) )
+	ROM_REGION( 2127, "maincpu:mpla", 0 )
+	ROM_LOAD( "tms0270_common2_micro.pla", 0, 2127, CRC(86737ac1) SHA1(4aa0444f3ddf88738ea74aec404c684bf54eddba) )
+	ROM_REGION( 525, "maincpu:opla", 0 )
+	ROM_LOAD( "tms1980_dataman_output.pla", 0, 525, CRC(188af340) SHA1(eaf707266dde0d708870ef5d8f985ce88d35b43e) )
+ROM_END
+
+
+
+
+
 /***************************************************************************
 
   TI DataMan
@@ -11137,8 +11285,8 @@ static INPUT_PORTS_START( dataman )
 
 	// note: even though power buttons are on the matrix, they are not CPU-controlled
 	PORT_START("IN.5") // Vss!
-	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_PGUP) PORT_CODE(KEYCODE_U) PORT_NAME("On/User Entry") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, true)
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_F1) PORT_CODE(KEYCODE_U) PORT_NAME("On/User Entry") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, true)
-	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Off") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, false)
+	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_F2) PORT_NAME("Off") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, false)
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_SLASH) PORT_NAME("?")
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_E) PORT_NAME("Electro Flash")
 INPUT_PORTS_END
@@ -11223,7 +11371,7 @@ static INPUT_PORTS_START( mathmarv )
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_R) PORT_NAME("Review")
 
 	PORT_MODIFY("IN.5") // Vss!
-	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_PGUP) PORT_CODE(KEYCODE_N) PORT_NAME("On/Numberific") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, true)
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_F1) PORT_CODE(KEYCODE_N) PORT_NAME("On/Numberific") PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, power_button, true)
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_Z) PORT_NAME("Zap")
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_F) PORT_NAME("Flash")
 INPUT_PORTS_END
@@ -12796,6 +12944,7 @@ COMP( 1977, ti1000,     0,         0, ti1000,    ti1000,    ti1000_state,    emp
 COMP( 1977, wizatron,   0,         0, wizatron,  wizatron,  wizatron_state,  empty_init, "Texas Instruments", "Wiz-A-Tron", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW )
 COMP( 1976, lilprof,    0,         0, lilprof,   lilprof,   lilprof_state,   empty_init, "Texas Instruments", "Little Professor (1976 version)", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW )
 COMP( 1978, lilprof78,  lilprof,   0, lilprof78, lilprof78, lilprof78_state, empty_init, "Texas Instruments", "Little Professor (1978 version)", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW )
+COMP( 1977, ti1680,     0,         0, ti1680,    ti1680,    ti1680_state,    empty_init, "Texas Instruments", "TI-1680", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW )
 COMP( 1977, dataman,    0,         0, dataman,   dataman,   dataman_state,   empty_init, "Texas Instruments", "DataMan", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW )
 COMP( 1980, mathmarv,   0,         0, mathmarv,  mathmarv,  mathmarv_state,  empty_init, "Texas Instruments", "Math Marvel", MACHINE_SUPPORTS_SAVE )
 CONS( 1979, timaze,     0,         0, timaze,    timaze,    timaze_state,    empty_init, "Texas Instruments", "unknown electronic maze game (patent)", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW )

src/mame/drivers/namcos12.cpp

@@ -10,7 +10,7 @@
   JVS Support by R. Belmont
 
   Notes:
-    - technodr: Calibrate controls by turning on the service mode switch (F2) while holdign service coin (9).
+    - technodr: Calibrate controls by turning on the service mode switch (F2) while holding service coin (9).
 
   Issues:
     not all games work due to either banking, dma or protection issues.

src/mame/drivers/tispeak.cpp

@@ -831,7 +831,7 @@ static INPUT_PORTS_START( snspell )
 	PORT_BIT( 0x1f, IP_ACTIVE_HIGH, IPT_UNUSED )
 
 	PORT_START("IN.7") // R7
-	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Off") // -> auto_power_off
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F2) PORT_NAME("Off") // -> auto_power_off
 	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_HOME) PORT_NAME("Go")
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_NAME("Replay")
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_NAME("Repeat")
@@ -842,7 +842,7 @@ static INPUT_PORTS_START( snspell )
 	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_NAME("Secret Code")
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_NAME("Letter")
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_NAME("Say It")
-	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_PGUP) PORT_NAME("Spell/On") PORT_CHANGED_MEMBER(DEVICE_SELF, tispeak_state, power_button, true)
+	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_F1) PORT_NAME("Spell/On") PORT_CHANGED_MEMBER(DEVICE_SELF, tispeak_state, power_button, true)
 INPUT_PORTS_END
 
 static INPUT_PORTS_START( snspellfr ) // French button names
@@ -854,7 +854,7 @@ static INPUT_PORTS_START( snspellfr ) // French button names
 	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ENTER) PORT_NAME("Essaie")
 
 	PORT_MODIFY("IN.7")
-	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGDN) PORT_NAME(u8"Arrét") // -> auto_power_off
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F2) PORT_NAME(u8"Arrét") // -> auto_power_off
 	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_HOME) PORT_NAME(u8"Départ")
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_NAME("Rejoue")
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_NAME("Repete")
@@ -865,7 +865,7 @@ static INPUT_PORTS_START( snspellfr ) // French button names
 	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_NAME("Code Secret")
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_NAME("Lettre")
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_NAME("Dis-le")
-	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_PGUP) PORT_NAME("Epelle/Marche") PORT_CHANGED_MEMBER(DEVICE_SELF, tispeak_state, power_button, true)
+	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_F1) PORT_NAME("Epelle/Marche") PORT_CHANGED_MEMBER(DEVICE_SELF, tispeak_state, power_button, true)
 INPUT_PORTS_END
 
 static INPUT_PORTS_START( snspellit ) // Italian button names
@@ -877,7 +877,7 @@ static INPUT_PORTS_START( snspellit ) // Italian button names
 	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ENTER) PORT_NAME("Controllo")
 
 	PORT_MODIFY("IN.7")
-	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Stop") // -> auto_power_off
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F2) PORT_NAME("Stop") // -> auto_power_off
 	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_HOME) PORT_NAME("Via")
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_NAME("Ritorno")
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_NAME("Replica")
@@ -888,7 +888,7 @@ static INPUT_PORTS_START( snspellit ) // Italian button names
 	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_NAME("Codice")
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_NAME("Alfabeto")
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_NAME("Ripeti")
-	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_PGUP) PORT_NAME("Scrivi") PORT_CHANGED_MEMBER(DEVICE_SELF, tispeak_state, power_button, true)
+	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_F1) PORT_NAME("Scrivi") PORT_CHANGED_MEMBER(DEVICE_SELF, tispeak_state, power_button, true)
 INPUT_PORTS_END
 
 static INPUT_PORTS_START( snspellsp ) // Spanish button names, different alphabet
@@ -948,8 +948,8 @@ static INPUT_PORTS_START( snspellsp ) // Spanish button names, different alphabe
 	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_NAME("Otra Vez")
 	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_NAME("Palabra Secreta")
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_NAME("Dilo")
-	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Off") // -> auto_power_off
+	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F2) PORT_NAME("Off") // -> auto_power_off
-	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_PGUP) PORT_NAME("Deletrea/On") PORT_CHANGED_MEMBER(DEVICE_SELF, tispeak_state, power_button, true)
+	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_F1) PORT_NAME("Deletrea/On") PORT_CHANGED_MEMBER(DEVICE_SELF, tispeak_state, power_button, true)
 INPUT_PORTS_END
 
 
@@ -979,7 +979,7 @@ static INPUT_PORTS_START( snmath )
 	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED )
 	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD) PORT_NAME("Enter")
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_Q) PORT_CODE(KEYCODE_HOME) PORT_NAME("Go")
-	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Off") // -> auto_power_off
+	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_F2) PORT_NAME("Off") // -> auto_power_off
 	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED )
 
 	PORT_START("IN.4") // R4
@@ -1001,7 +1001,7 @@ static INPUT_PORTS_START( snmath )
 	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_U) PORT_NAME("Write It")
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_Y) PORT_NAME("Greater/Less")
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_T) PORT_NAME("Word Problems")
-	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_R) PORT_CODE(KEYCODE_PGUP) PORT_NAME("Solve It/On") PORT_CHANGED_MEMBER(DEVICE_SELF, tispeak_state, power_button, true)
+	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_R) PORT_CODE(KEYCODE_F1) PORT_NAME("Solve It/On") PORT_CHANGED_MEMBER(DEVICE_SELF, tispeak_state, power_button, true)
 
 	PORT_START("IN.7")
 	PORT_BIT( 0x1f, IP_ACTIVE_HIGH, IPT_UNUSED )
@@ -1023,7 +1023,7 @@ static INPUT_PORTS_START( snread )
 	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_NAME("Picture Read")
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_NAME("Letter Stumper")
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_NAME("Hear It")
-	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_PGUP) PORT_NAME("Word Zap/On") PORT_CHANGED_MEMBER(DEVICE_SELF, tispeak_state, power_button, true)
+	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_F1) PORT_NAME("Word Zap/On") PORT_CHANGED_MEMBER(DEVICE_SELF, tispeak_state, power_button, true)
 INPUT_PORTS_END
 
 
@@ -1113,17 +1113,17 @@ static INPUT_PORTS_START( snspellc )
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'')
 
 	PORT_START("IN.9") // Vss!
-	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_PGUP) PORT_NAME("Spell/On") PORT_CHANGED_MEMBER(DEVICE_SELF, tispeak_state, power_button, true)
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_F1) PORT_NAME("Spell/On") PORT_CHANGED_MEMBER(DEVICE_SELF, tispeak_state, power_button, true)
 	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED )
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_CUSTOM ) // speech chip data
-	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Off") // -> auto_power_off
+	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F2) PORT_NAME("Off") // -> auto_power_off
 INPUT_PORTS_END
 
 static INPUT_PORTS_START( snspellcuk )
 	PORT_INCLUDE( snspellc )
 
 	PORT_MODIFY("IN.9")
-	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_PGUP) PORT_NAME("Write/On") PORT_CHANGED_MEMBER(DEVICE_SELF, tispeak_state, power_button, true) // just the label changed from Spell to Write
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_F1) PORT_NAME("Write/On") PORT_CHANGED_MEMBER(DEVICE_SELF, tispeak_state, power_button, true) // just the label changed from Spell to Write
 INPUT_PORTS_END
 
 
@@ -1177,14 +1177,14 @@ static INPUT_PORTS_START( tntell )
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_6) PORT_NAME("Grid 1-6")
 
 	PORT_START("IN.8") // R8
-	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_J) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Grid 6-1 (Off)") // -> auto_power_off
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_J) PORT_CODE(KEYCODE_F2) PORT_NAME("Grid 6-1 (Off)") // -> auto_power_off
 	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_K) PORT_NAME("Grid 6-2")
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_M) PORT_NAME("Grid 6-4")
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_L) PORT_NAME("Grid 6-3")
 
 	PORT_START("IN.9") // Vss!
 	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED )
-	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_STOP) PORT_CODE(KEYCODE_PGUP) PORT_NAME("Grid 6-6 (On)") PORT_CHANGED_MEMBER(DEVICE_SELF, tispeak_state, power_button, true)
+	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_STOP) PORT_CODE(KEYCODE_F1) PORT_NAME("Grid 6-6 (On)") PORT_CHANGED_MEMBER(DEVICE_SELF, tispeak_state, power_button, true)
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_CUSTOM ) // speech chip data
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED )
 
@@ -1228,13 +1228,13 @@ INPUT_PORTS_END
 
 static INPUT_PORTS_START( k28m2 )
 	PORT_START("IN.0") // O0
-	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Off") // -> auto_power_off
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F2) PORT_NAME("Off") // -> auto_power_off
 	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR('A') PORT_NAME("A/1")
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CODE(KEYCODE_0) PORT_CODE(KEYCODE_0_PAD) PORT_CHAR('J') PORT_NAME("J/0")
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('S')
 
 	PORT_START("IN.1") // O1
-	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGUP) PORT_NAME("On") PORT_CHANGED_MEMBER(DEVICE_SELF, tispeak_state, power_button, true)
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F1) PORT_NAME("On") PORT_CHANGED_MEMBER(DEVICE_SELF, tispeak_state, power_button, true)
 	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR('B') PORT_NAME("B/2")
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR('K') PORT_NAME("K/+")
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('T')

src/mame/drivers/tispellb.cpp

@@ -303,14 +303,14 @@ static INPUT_PORTS_START( spellb )
 	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED )
 	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_HOME) PORT_NAME("Go") PORT_CHAR('7')
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED )
-	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Off") // -> auto_power_off
+	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F2) PORT_NAME("Off") // -> auto_power_off
 	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_NAME("Level") PORT_CHAR('/')
 
 	PORT_START("IN.7") // Vss!
 	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_NAME("Missing Letter") PORT_CHAR('3')
 	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_NAME("Mystery Word") PORT_CHAR('4')
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_NAME("Scramble") PORT_CHAR('5')
-	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_PGUP) PORT_NAME("Spelling B/On") PORT_CHANGED_MEMBER(DEVICE_SELF, tispellb_state, power_button, true)
+	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_F1) PORT_NAME("Spelling B/On") PORT_CHANGED_MEMBER(DEVICE_SELF, tispellb_state, power_button, true)
 	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_NAME("Starts With") PORT_CHAR('2')
 INPUT_PORTS_END
 
@@ -326,7 +326,7 @@ static INPUT_PORTS_START( mrchalgr )
 	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_NAME("Crazy Letters")
 	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_NAME("Letter Guesser")
 	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_NAME("Word Challenge")
-	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_PGUP) PORT_NAME("Mystery Word/On") PORT_CHANGED_MEMBER(DEVICE_SELF, tispellb_state, power_button, true)
+	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_F1) PORT_NAME("Mystery Word/On") PORT_CHANGED_MEMBER(DEVICE_SELF, tispellb_state, power_button, true)
 	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_NAME("Replay")
 INPUT_PORTS_END
 

src/mame/layout/ti1680.lay

@@ -0,0 +1,73 @@
+<?xml version="1.0"?>
+<!--
+license:CC0
+-->
+<mamelayout version="2">
+
+<!-- define elements -->
+
+	<element name="digit" defstate="0">
+		<led7seg><color red="0.2" green="1.0" blue="0.85" /></led7seg>
+	</element>
+
+	<element name="seg_dot" defstate="0">
+		<disk state="1"><color red="0.2" green="1.0" blue="0.85" /></disk>
+		<disk state="0"><color red="0.0235" green="0.1255" blue="0.1059" /></disk>
+	</element>
+	<element name="seg_dash" defstate="0">
+		<rect state="1"><color red="0.2" green="1.0" blue="0.85" /></rect>
+		<rect state="0"><color red="0.0235" green="0.1255" blue="0.1059" /></rect>
+	</element>
+	<element name="seg_slash" defstate="0">
+		<text string="/" state="1"><color red="0.2" green="1.0" blue="0.85" /></text>
+		<text string="/" state="0"><color red="0.0235" green="0.1255" blue="0.1059" /></text>
+	</element>
+	<element name="seg_backslash" defstate="0">
+		<text string="&#x5c;" state="1"><color red="0.2" green="1.0" blue="0.85" /></text>
+		<text string="&#x5c;" state="0"><color red="0.0235" green="0.1255" blue="0.1059" /></text>
+	</element>
+	<element name="seg_m" defstate="0">
+		<text state="1" string="M"><color red="0.2" green="1.0" blue="0.85" /></text>
+		<text state="0" string="M"><color red="0.0235" green="0.1255" blue="0.1059" /></text>
+	</element>
+	<element name="seg_r" defstate="0">
+		<text state="1" string="R"><color red="0.2" green="1.0" blue="0.85" /></text>
+		<text state="0" string="R"><color red="0.0235" green="0.1255" blue="0.1059" /></text>
+	</element>
+
+
+<!-- build screen -->
+
+	<view name="Internal Layout">
+		<bounds left="1" right="98.5" top="0.6" bottom="15.6" />
+
+		<element name="digit1" ref="digit"><bounds x="18.5" y="0.6" width="10" height="15" /></element>
+		<element name="digit2" ref="digit"><bounds x="28.5" y="0.6" width="10" height="15" /></element>
+		<element name="digit3" ref="digit"><bounds x="38.5" y="0.6" width="10" height="15" /></element>
+		<element name="digit4" ref="digit"><bounds x="48.5" y="0.6" width="10" height="15" /></element>
+		<element name="digit5" ref="digit"><bounds x="58.5" y="0.6" width="10" height="15" /></element>
+		<element name="digit6" ref="digit"><bounds x="68.5" y="0.6" width="10" height="15" /></element>
+		<element name="digit7" ref="digit"><bounds x="78.5" y="0.6" width="10" height="15" /></element>
+		<element name="digit8" ref="digit"><bounds x="88.5" y="0.6" width="10" height="15" /></element>
+
+		<!-- custom digit -->
+		<element name="0.2" ref="seg_dash"><bounds x="1.5" y="7.35" width="7" height="0.5" /></element>
+		<element name="0.8" ref="seg_dash"><bounds x="1.5" y="14.7" width="7" height="0.5" /></element>
+
+		<element name="0.4" ref="seg_dash"><bounds x="4.75" y="3.7" width="0.5" height="3.0" /></element>
+		<element name="0.4" ref="seg_dash"><bounds x="4.75" y="8.5" width="0.5" height="3.0" /></element>
+
+		<element name="0.0" ref="seg_dot"><bounds x="4.25" y="1.8" width="1.5" height="1.5" /></element>
+		<element name="0.0" ref="seg_dot"><bounds x="4.25" y="11.9" width="1.5" height="1.5" /></element>
+
+		<element name="0.1" ref="seg_slash"><bounds x="4.3" y="-0.5" width="5" height="7.5" /></element>
+		<element name="0.1" ref="seg_slash"><bounds x="0.7" y="7" width="5" height="7.5" /></element>
+		<element name="0.6" ref="seg_backslash"><bounds x="0.7" y="-0.5" width="5" height="7.5" /></element>
+		<element name="0.6" ref="seg_backslash"><bounds x="4.3" y="7" width="5" height="7.5" /></element>
+
+		<element name="0.5" ref="seg_m"><bounds x="7.7" y="0" width="10" height="7.5" /></element>
+		<element name="0.3" ref="seg_r"><bounds x="7.7" y="8.2" width="10" height="7.5" /></element>
+		<element name="0.7" ref="seg_dash"><bounds x="10.0" y="7.4" width="5" height="1.3" /></element>
+
+	</view>
+</mamelayout>

src/mame/mame.lst

@@ -16536,6 +16536,7 @@ ti1000                          // Texas Instruments
 ti1250                          // Texas Instruments
 ti125076                        // Texas Instruments
 ti1270                          // Texas Instruments
+ti1680                          // Texas Instruments
 ti25503                         // Texas Instruments
 ti30                            // Texas Instruments
 tibusan                         // Texas Instruments