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path: root/src/mame/drivers/alphasma.cpp
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// license:BSD-3-Clause
// copyright-holders:Sandro Ronco
/***************************************************************************

        AlphaSmart Pro

        driver by Sandro Ronco

    TODO:
    - ADB and PS/2
    - charset ROM is wrong
    - asma2k reads from nonexistent internal register at 0x0001
      (probably a bug, since the same code exists in both BIOSes)

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

#include "emu.h"
#include "cpu/mc68hc11/mc68hc11.h"
#include "machine/nvram.h"
#include "video/hd44780.h"
#include "emupal.h"
#include "screen.h"

class alphasmart_state : public driver_device
{
public:
	alphasmart_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag)
		, m_maincpu(*this, "maincpu")
		, m_lcdc(*this, "ks0066_%u", 0U)
		, m_nvram(*this, "nvram")
		, m_nvram_base(*this, "nvram", 0x20000, ENDIANNESS_BIG)
		, m_rambank(*this, "rambank")
		, m_keyboard(*this, "COL.%u", 0)
		, m_battery_status(*this, "BATTERY")
	{
	}

	void alphasmart(machine_config &config);

	DECLARE_INPUT_CHANGED_MEMBER(kb_irq);

protected:
	required_device<mc68hc11_cpu_device> m_maincpu;
	required_device_array<hd44780_device, 2> m_lcdc;
	required_device<nvram_device> m_nvram;
	memory_share_creator<uint8_t> m_nvram_base;
	required_memory_bank m_rambank;
	required_ioport_array<16> m_keyboard;
	required_ioport m_battery_status;

	virtual void machine_start() override;
	virtual void machine_reset() override;
	void alphasmart_palette(palette_device &palette) const;
	virtual uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);

	uint8_t kb_r();
	void kb_matrixl_w(uint8_t data);
	void kb_matrixh_w(uint8_t data);
	uint8_t port_a_r();
	virtual void port_a_w(uint8_t data);
	uint8_t port_d_r();
	void port_d_w(uint8_t data);
	void update_lcdc(bool lcdc0, bool lcdc1);

	void alphasmart_mem(address_map &map);

	uint8_t           m_matrix[2];
	uint8_t           m_port_a;
	uint8_t           m_port_d;
	std::unique_ptr<bitmap_ind16> m_tmp_bitmap;
};

class asma2k_state : public alphasmart_state
{
public:
	asma2k_state(const machine_config &mconfig, device_type type, const char *tag)
		: alphasmart_state(mconfig, type, tag)
		, m_io_view(*this, "io")
		, m_dictbank(*this, "dictbank")
	{
	}

	void asma2k(machine_config &config);

protected:
	virtual void machine_start() override;

private:
	void lcd_ctrl_w(uint8_t data);
	virtual void port_a_w(uint8_t data) override;

	void asma2k_mem(address_map &map);

	memory_view m_io_view;
	required_memory_bank m_dictbank;

	uint8_t m_lcd_ctrl;
};

INPUT_CHANGED_MEMBER(alphasmart_state::kb_irq)
{
	m_maincpu->set_input_line(MC68HC11_IRQ_LINE, HOLD_LINE);
}

uint8_t alphasmart_state::kb_r()
{
	uint16_t matrix = (m_matrix[1]<<8) | m_matrix[0];
	uint8_t data = 0xff;

	for(int i=0; i<16; i++)
		if (!(matrix & (1<<i)))
			data &= m_keyboard[i]->read();

	return data;
}

void alphasmart_state::kb_matrixl_w(uint8_t data)
{
	m_matrix[0] = data;
}

void alphasmart_state::kb_matrixh_w(uint8_t data)
{
	m_matrix[1] = data;
}

uint8_t alphasmart_state::port_a_r()
{
	return (m_port_a & 0xfd) | (m_battery_status->read() << 1);
}

void alphasmart_state::update_lcdc(bool lcdc0, bool lcdc1)
{
	if (m_matrix[1] & 0x04)
	{
		uint8_t lcdc_data = 0;

		if (lcdc0)
			lcdc_data |= m_lcdc[0]->read(BIT(m_matrix[1], 1));

		if (lcdc1)
			lcdc_data |= m_lcdc[1]->read(BIT(m_matrix[1], 1));

		m_port_d = (m_port_d & 0xc3) | (lcdc_data>>2);
	}
	else
	{
		uint8_t lcdc_data = (m_port_d<<2) & 0xf0;

		if (lcdc0)
			m_lcdc[0]->write(BIT(m_matrix[1], 1), lcdc_data);

		if (lcdc1)
			m_lcdc[1]->write(BIT(m_matrix[1], 1), lcdc_data);
	}
}

void alphasmart_state::port_a_w(uint8_t data)
{
	uint8_t changed = (m_port_a ^ data) & data;
	update_lcdc(changed & 0x80, changed & 0x20);
	m_rambank->set_entry(((data>>3) & 0x01) | ((data>>4) & 0x02));
	m_port_a = data;
}

uint8_t alphasmart_state::port_d_r()
{
	return m_port_d;
}

void alphasmart_state::port_d_w(uint8_t data)
{
	m_port_d = data;
}


void alphasmart_state::alphasmart_mem(address_map &map)
{
	map.unmap_value_high();
	map(0x0000, 0x7fff).bankrw("rambank");
	map(0x8000, 0xffff).rom().region("maincpu", 0);
	map(0x8000, 0x8000).rw(FUNC(alphasmart_state::kb_r), FUNC(alphasmart_state::kb_matrixh_w));
	map(0xc000, 0xc000).w(FUNC(alphasmart_state::kb_matrixl_w));
}

void asma2k_state::lcd_ctrl_w(uint8_t data)
{
	uint8_t changed = (m_lcd_ctrl ^ data) & data;
	update_lcdc(changed & 0x01, changed & 0x02);
	m_dictbank->set_entry((m_port_a & 0x30) >> 3 | (data & 0x80) >> 7);
	m_lcd_ctrl = data;
}

void asma2k_state::port_a_w(uint8_t data)
{
	m_io_view.select(BIT(data, 6));

	m_rambank->set_entry(((data>>4) & 0x03));
	m_dictbank->set_entry((data & 0x30) >> 3 | (m_lcd_ctrl & 0x80) >> 7);
	m_port_a = data;
}


void asma2k_state::asma2k_mem(address_map &map)
{
	map.unmap_value_high();
	map(0x0000, 0x7fff).view(m_io_view);
	m_io_view[0](0x2000, 0x2000).rw(FUNC(asma2k_state::kb_r), FUNC(asma2k_state::kb_matrixh_w));
	m_io_view[0](0x4000, 0x4000).w(FUNC(asma2k_state::lcd_ctrl_w));
	m_io_view[0](0x4000, 0x7fff).bankr("dictbank");
	m_io_view[1](0x0000, 0x7fff).bankrw("rambank");
	map(0x8000, 0xffff).rom().region("maincpu", 0);
	map(0x9000, 0x9000).w(FUNC(asma2k_state::kb_matrixl_w));
}

/* Input ports */
static INPUT_PORTS_START( alphasmart )
	PORT_START("COL.0")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F8)    PORT_CHAR(UCHAR_MAMEKEY(F8))   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F7)    PORT_CHAR(UCHAR_MAMEKEY(F7))   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L)     PORT_CHAR('l') PORT_CHAR('L')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9)     PORT_CHAR('9') PORT_CHAR('(')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O)     PORT_CHAR('o') PORT_CHAR('O')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP)  PORT_CHAR('.') PORT_CHAR('>')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_START("COL.1")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5)     PORT_CHAR('5') PORT_CHAR('%')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G)     PORT_CHAR('g') PORT_CHAR('G')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T)     PORT_CHAR('t') PORT_CHAR('T')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B)     PORT_CHAR('b') PORT_CHAR('B')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F)     PORT_CHAR('f') PORT_CHAR('F')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4)     PORT_CHAR('4') PORT_CHAR('$')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R)     PORT_CHAR('r') PORT_CHAR('R')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V)     PORT_CHAR('v') PORT_CHAR('V')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_START("COL.2")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6)     PORT_CHAR('6') PORT_CHAR('^')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H)     PORT_CHAR('h') PORT_CHAR('H')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y)     PORT_CHAR('y') PORT_CHAR('Y')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N)     PORT_CHAR('n') PORT_CHAR('N')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J)     PORT_CHAR('j') PORT_CHAR('J')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7)     PORT_CHAR('7') PORT_CHAR('&')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U)     PORT_CHAR('u') PORT_CHAR('U')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M)     PORT_CHAR('m') PORT_CHAR('M')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_START("COL.3")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'')    PORT_CHAR('\"') PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0)     PORT_CHAR('0') PORT_CHAR(')')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P)     PORT_CHAR('p') PORT_CHAR('P')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_START("COL.4")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER_PAD) PORT_NAME("Enter") PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_START("COL.5")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT))   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_END)  PORT_CHAR(UCHAR_MAMEKEY(END))    PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_START("COL.6")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LWIN) PORT_CODE(KEYCODE_PGUP)  PORT_NAME("Left Command") PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RWIN) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Right Command") PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)//
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL)  PORT_NAME("Clear File") PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME))   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_START("COL.7")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F12) PORT_NAME("Send") PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP)   PORT_CHAR(UCHAR_MAMEKEY(UP))     PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_INSERT)   PORT_CHAR(UCHAR_MAMEKEY(INSERT)) PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_START("COL.8")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_START("COL.9")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LALT) PORT_NAME("Left Alt/Option") PORT_CHAR(UCHAR_MAMEKEY(LALT))   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RALT) PORT_NAME("Right Alt/Option") PORT_CHAR(UCHAR_MAMEKEY(LALT))   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_START("COL.10")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=')    PORT_CHAR('+') PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F6)   PORT_CHAR(UCHAR_MAMEKEY(F6)) PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']')    PORT_CHAR('}') PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K)    PORT_CHAR('k')  PORT_CHAR('K')   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8)    PORT_CHAR('8')  PORT_CHAR('*')   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I)    PORT_CHAR('i')  PORT_CHAR('I')   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_START("COL.11")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F9)   PORT_NAME("Pause") PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F5)        PORT_CHAR(UCHAR_MAMEKEY(F5))     PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) PORT_NAME("Backspace") PORT_CHAR(UCHAR_MAMEKEY(BACKSPACE)) PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE)     PORT_CHAR(' ') PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|') PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F10)  PORT_NAME("ScrLk") PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER)   PORT_NAME("Return") PORT_CHAR(13) PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_START("COL.12")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F2)   PORT_CHAR(UCHAR_MAMEKEY(F2))    PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F4)   PORT_CHAR(UCHAR_MAMEKEY(F4))    PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F3)   PORT_CHAR(UCHAR_MAMEKEY(F3))    PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D)    PORT_CHAR('d')  PORT_CHAR('D')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3)    PORT_CHAR('3')  PORT_CHAR('#')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E)    PORT_CHAR('e')  PORT_CHAR('E')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C)    PORT_CHAR('c')  PORT_CHAR('C')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_START("COL.13")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F1)   PORT_CHAR(UCHAR_MAMEKEY(F1))    PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S)    PORT_CHAR('s')  PORT_CHAR('S')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2)    PORT_CHAR('2')  PORT_CHAR('@')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W)    PORT_CHAR('w')  PORT_CHAR('W')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X)    PORT_CHAR('x')  PORT_CHAR('X')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_START("COL.14")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('`') PORT_CHAR('~')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC)  PORT_CHAR(UCHAR_MAMEKEY(ESC))   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB)  PORT_CHAR('\t')   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A)    PORT_CHAR('a')  PORT_CHAR('A')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1)    PORT_CHAR('1')  PORT_CHAR('!')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q)    PORT_CHAR('q')  PORT_CHAR('Q')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z)    PORT_CHAR('z')  PORT_CHAR('Z')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_START("COL.15")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_MAMEKEY(RSHIFT)) PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)

	PORT_START("BATTERY")
	PORT_CONFNAME(0x01, 0x01, "Battery status")
	PORT_CONFSETTING (0x00, DEF_STR(Low))
	PORT_CONFSETTING (0x01, DEF_STR(Normal))
INPUT_PORTS_END

static INPUT_PORTS_START( asma2k )
	PORT_START("COL.0")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}') PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F6)   PORT_CHAR(UCHAR_MAMEKEY(F6)) PORT_NAME("F6 (File 6)") PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K)     PORT_CHAR('k') PORT_CHAR('k')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I)     PORT_CHAR('i') PORT_CHAR('I')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('_') PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8)     PORT_CHAR('8') PORT_CHAR('*')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_START("COL.1")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LALT) PORT_NAME("Left Alt/Option") PORT_CHAR(UCHAR_MAMEKEY(LALT))   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RCONTROL) PORT_NAME("Right Alt/Option") PORT_CHAR(UCHAR_MAMEKEY(RALT))   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_START("COL.2")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F7)   PORT_CHAR(UCHAR_MAMEKEY(F7)) PORT_NAME("F7 (File 7)") PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L)     PORT_CHAR('l') PORT_CHAR('L')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O)     PORT_CHAR('o') PORT_CHAR('O')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F8)   PORT_CHAR(UCHAR_MAMEKEY(F8)) PORT_NAME("F8 (File 8)") PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9)     PORT_CHAR('9') PORT_CHAR('(')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP)  PORT_CHAR('.') PORT_CHAR('>')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_START("COL.3")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'')    PORT_CHAR('\"') PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P)     PORT_CHAR('p') PORT_CHAR('P')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0)     PORT_CHAR('0') PORT_CHAR(')')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_START("COL.4")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LWIN) PORT_CODE(KEYCODE_PGUP)  PORT_NAME("Command") PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME))   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL)  PORT_CHAR(UCHAR_MAMEKEY(NUMLOCK)) PORT_NAME("Clear File") PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RALT) PORT_CHAR(UCHAR_MAMEKEY(ESC))    PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_START("COL.5")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_END)  PORT_CHAR(UCHAR_MAMEKEY(END))    PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT))   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_START("COL.6")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER_PAD) PORT_NAME("Enter") PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_START("COL.7")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F11)  PORT_CHAR(UCHAR_MAMEKEY(F11)) PORT_NAME("Find") PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP)   PORT_CHAR(UCHAR_MAMEKEY(UP))     PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_START("COL.8")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_START("COL.9")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) PORT_NAME("Delete") PORT_CHAR(UCHAR_MAMEKEY(BACKSPACE)) PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F5)   PORT_CHAR(UCHAR_MAMEKEY(F5)) PORT_NAME("F5 (File 5)") PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|') PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F9)   PORT_CHAR(UCHAR_MAMEKEY(F9)) PORT_NAME("Print") PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F10)  PORT_CHAR(UCHAR_MAMEKEY(F10)) PORT_NAME("Spell Check") PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER)   PORT_NAME("Return") PORT_CHAR(13) PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE)     PORT_CHAR(' ') PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_START("COL.10")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F3)   PORT_CHAR(UCHAR_MAMEKEY(F3)) PORT_NAME("F3 (File 3)") PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F4)   PORT_CHAR(UCHAR_MAMEKEY(F4)) PORT_NAME("F4 (File 4)") PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D)    PORT_CHAR('d')  PORT_CHAR('D')   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E)    PORT_CHAR('e')  PORT_CHAR('E')   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F2)   PORT_CHAR(UCHAR_MAMEKEY(F2)) PORT_NAME("F2 (File 2)") PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3)    PORT_CHAR('3')  PORT_CHAR('#')   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C)    PORT_CHAR('c')  PORT_CHAR('C')   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_START("COL.11")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S)    PORT_CHAR('s')  PORT_CHAR('S')   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W)    PORT_CHAR('w')  PORT_CHAR('W')   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F1)   PORT_CHAR(UCHAR_MAMEKEY(F1)) PORT_NAME("F1 (File 1)") PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2)    PORT_CHAR('2')  PORT_CHAR('@')   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X)    PORT_CHAR('x')  PORT_CHAR('X')   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_START("COL.12")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB)  PORT_CHAR('\t')   PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A)    PORT_CHAR('a')  PORT_CHAR('A')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q)    PORT_CHAR('q')  PORT_CHAR('Q')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('`') PORT_CHAR('~')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1)    PORT_CHAR('1')  PORT_CHAR('!')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z)    PORT_CHAR('z')  PORT_CHAR('z')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_START("COL.13")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T)    PORT_CHAR('t')  PORT_CHAR('T')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G)    PORT_CHAR('g')  PORT_CHAR('G')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F)    PORT_CHAR('f')  PORT_CHAR('F')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R)    PORT_CHAR('r')  PORT_CHAR('R')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5)    PORT_CHAR('5')  PORT_CHAR('%')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4)    PORT_CHAR('4')  PORT_CHAR('$')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V)    PORT_CHAR('v')  PORT_CHAR('V')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B)    PORT_CHAR('b')  PORT_CHAR('B')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_START("COL.14")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_MAMEKEY(RSHIFT)) PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_START("COL.15")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y)    PORT_CHAR('y')  PORT_CHAR('Y')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H)    PORT_CHAR('h')  PORT_CHAR('H')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J)    PORT_CHAR('j')  PORT_CHAR('J')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U)    PORT_CHAR('u')  PORT_CHAR('U')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6)    PORT_CHAR('6')  PORT_CHAR('^')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7)    PORT_CHAR('7')  PORT_CHAR('&')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M)    PORT_CHAR('m')  PORT_CHAR('M')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N)    PORT_CHAR('n')  PORT_CHAR('N')  PORT_CHANGED_MEMBER(DEVICE_SELF, alphasmart_state, kb_irq, 0)

	PORT_START("BATTERY")
	PORT_CONFNAME(0x01, 0x01, "Battery status")
	PORT_CONFSETTING (0x00, DEF_STR(Low))
	PORT_CONFSETTING (0x01, DEF_STR(Normal))
INPUT_PORTS_END

void alphasmart_state::alphasmart_palette(palette_device &palette) const
{
	palette.set_pen_color(0, rgb_t(138, 146, 148));
	palette.set_pen_color(1, rgb_t(92, 83, 88));
}

uint32_t alphasmart_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
	m_lcdc[0]->screen_update(screen, *m_tmp_bitmap, cliprect);
	copybitmap(bitmap, *m_tmp_bitmap, 0, 0, 0, 0, cliprect);
	m_lcdc[1]->screen_update(screen, *m_tmp_bitmap, cliprect);
	copybitmap(bitmap, *m_tmp_bitmap, 0, 0, 0, 18,cliprect);
	return 0;
}

void alphasmart_state::machine_start()
{
	m_rambank->configure_entries(0, 4, &m_nvram_base[0], 0x8000);

	m_tmp_bitmap = std::make_unique<bitmap_ind16>(6 * 40, 9 * 4);
}

void asma2k_state::machine_start()
{
	alphasmart_state::machine_start();

	m_dictbank->configure_entries(0, 8, memregion("spellcheck")->base(), 0x4000);
	m_dictbank->set_entry(0);
}

void alphasmart_state::machine_reset()
{
	m_rambank->set_entry(0);
	m_matrix[0] = m_matrix[1] = 0;
	m_port_a = 0;
	m_port_d = 0;
}

void alphasmart_state::alphasmart(machine_config &config)
{
	/* basic machine hardware */
	MC68HC11D0(config, m_maincpu, 8_MHz_XTAL);
	m_maincpu->set_addrmap(AS_PROGRAM, &alphasmart_state::alphasmart_mem);
	m_maincpu->in_pa_callback().set(FUNC(alphasmart_state::port_a_r));
	m_maincpu->out_pa_callback().set(FUNC(alphasmart_state::port_a_w));
	m_maincpu->in_pd_callback().set(FUNC(alphasmart_state::port_d_r));
	m_maincpu->out_pd_callback().set(FUNC(alphasmart_state::port_d_w));

	KS0066_F05(config, m_lcdc[0], 0);
	m_lcdc[0]->set_lcd_size(2, 40);
	KS0066_F05(config, m_lcdc[1], 0);
	m_lcdc[1]->set_lcd_size(2, 40);

	/* video hardware */
	screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_LCD));
	screen.set_refresh_hz(50);
	screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */
	screen.set_screen_update(FUNC(alphasmart_state::screen_update));
	screen.set_size(6*40, 9*4);
	screen.set_visarea_full();
	screen.set_palette("palette");

	PALETTE(config, "palette", FUNC(alphasmart_state::alphasmart_palette), 2);

	NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0);
}

void asma2k_state::asma2k(machine_config &config)
{
	alphasmart(config);
	m_maincpu->set_addrmap(AS_PROGRAM, &asma2k_state::asma2k_mem);
}

// MCU: MC68HC11D0P
// NVRAM: KM681000ALP-7L (or TC551001BPL-85L) + CR2032 battery
// XTAL: 8.000MHz
// LCD: 2x KS0066F05 + 8x HD44100H
ROM_START( asmapro )
	ROM_REGION( 0x8000, "maincpu", 0 )
	ROM_LOAD( "alphasmartpro212.rom",  0x0000, 0x8000, CRC(896ddf1c) SHA1(c3c6a421c9ced92db97431d04b4a3f09a39de716) )   // Checksum 8D24 on label
ROM_END

// MCU: MC68HC11D0FN
// NVRAM: NEC D431000ACW-70LL + battery
// XTAL: SB8.000
// LCD: 2x KS0066F05 + 4x KS0063B
// Optional IrDA sub board
ROM_START( asma2k )
	ROM_REGION( 0x10000, "maincpu", 0 )
	/*
	    These dumps 33,253 bytes each, probably contain 32768 bytes of rom,
	    plus the remaining area is pal data for the mapper/io pal, all of
	    which is integrated onto one plcc44 chip called a zpsd211r.
	*/
	ROM_SYSTEM_BIOS( 0, "v314", "v3.14" )
	ROMX_LOAD( "alphasmart__2000__v3.1.4__h4.zpsd211r.plcc44.bin",  0x0000, 0x81e5, CRC(49487f6d) SHA1(e0b777dc68c671c31ba808e214fb9d2573b9a853), ROM_BIOS(0) )
	ROM_SYSTEM_BIOS( 1, "v308", "v3.08" )
	ROMX_LOAD( "alphasmart__2000__v3.0.8.zpsd211r.plcc44.bin",  0x0000, 0x81e5, CRC(0b3b1a0c) SHA1(97878819188a1ec40052fbce9d5a5059728d5aec), ROM_BIOS(1) )

	ROM_REGION( 0x20000, "spellcheck", 0 )
	ROM_LOAD( "dictrom__v1.stm_m27c1001-1501.plcc32.bin", 0x00000, 0x20000, CRC(a143949c) SHA1(033094bb850c614008b4ecc2eefbcb01b8a2bcda) )
ROM_END


//    YEAR  NAME     PARENT  COMPAT  MACHINE     INPUT       CLASS             INIT        COMPANY                           FULLNAME           FLAGS
COMP( 1995, asmapro, 0,      0,      alphasmart, alphasmart, alphasmart_state, empty_init, "Intelligent Peripheral Devices", "AlphaSmart Pro" , MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
COMP( 1997, asma2k,  0,      0,      asma2k,     asma2k,     asma2k_state,     empty_init, "Intelligent Peripheral Devices", "AlphaSmart 2000", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )