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path: root/src/mess/drivers/intv.c
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/************************************************************************
 *  Mattel Intellivision + Keyboard Component Drivers
 *
 *  Frank Palazzolo
 *  Kyle Davis
 *
 *  TBD:
 *          Add tape support (intvkbd)
 *          Add runtime tape loading
 *          Fix memory system workaround
 *            (memory handler stuff in CP1610, debugger, and shared mem)
 *          STIC
 *            reenable dirty support
 *          Cleanup
 *            Separate stic & video better, get rid of *2 for kbd comp
 *          Add better runtime cart loading
 *          Switch to tilemap system
 * Note from kevtris about IntelliVoice Hookup:
<kevtris> the intv uses a special chip
<kevtris> called the SPB640
<kevtris> it is really cool and lame at the same time
<kevtris> it holds 64 10 bit words, which it simply serializes and sends to the SP0256
<kevtris> the SP0256-012 just blindly jumps to 02000h or something when you try to play one of the samples
<kevtris> the SPB640 sits at 2000h and when it sees that address come up, it will send out the 640 bits to the '256
<kevtris> this means you cannot use any gotos/gosubs in your speech data, but that is OK
<kevtris> it's just a single serial stream.  the intv simply watches the buffer state and refills it periodically.  there's enough buffer to keep it full for 1 frame
<kevtris> that's about it
<kevtris> the samples are stored in the game ROMs, and are easy to extract

9502, 9503 and 9504 are the chips used in the intv1 (the sears one may use different chips)
9505 is used in some carts
9503 and 9506 are the chips used in the intv2

Known roms so far:
RO-3-9502-011 = 4KiB(2Kiw) self-decoding mask rom with decoder & bus, (DIP40 containing 1/2 of EXEC, maps at words 0000-0fff or 1000-1fff [unclear which, guess is 0000], i/o maps at ?), located at U5 on intv1
RO-3-9503-003 = 2KiB(1Kiw) self-decoding mask rom with decoder & bus, (DIP40 containing GROM, maps at words 0x3000-0x37FF, i/o maps at ?), located at U21 in intv1, U5 in intv2
RO-3-9504-021 = 4KiB(2Kiw) self-decoding mask rom without decoder or bus, (DIP28 containing 1/2 of EXEC, maps at words 0000-0fff or 1000-1fff [unclear which, guess is 1000]), located at U6 in intv1
RO-3-9506-010 = 8KiB(4Kiw)+512B(256W) self-decoding mask rom with decoder & bus, (DIP40 containing EXEC2, maps at words 0000-1fff and 0400-04FF, i/o maps at ?) located at U6 in intv2

rom types (suspected, not proven yet):
RO-3-9502 = 4KiB (2Kiw) self decoding address mask rom with external address decoder & bus (DIP40)
RO-3-9503 = 2KiB (1Kiw) self decoding address mask rom with external address decoder & bus (DIP40)
RO-3-9504 = 4KiB (2Kiw) self decoding address mask rom without external address decoder or bus (DIP28)
RO-3-9505 = 8KiB (4Kiw) self decoding address mask rom without external address decoder or bus (DIP28)
RO-3-9506 = 8KiB (4Kiw) self decoding address mask rom with external address decoder & bus (DIP40)

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


#include "emu.h"
#include "cpu/m6502/m6502.h"
#include "cpu/cp1610/cp1610.h"
#include "includes/intv.h"
#include "imagedev/cartslot.h"
#include "sound/ay8910.h"

#ifndef VERBOSE
#ifdef MAME_DEBUG
#define VERBOSE 1
#else
#define VERBOSE 0
#endif
#endif

static const unsigned char intv_colors[] =
{
	0x00, 0x00, 0x00, /* BLACK */
	0x00, 0x2D, 0xFF, /* BLUE */
	0xFF, 0x3D, 0x10, /* RED */
	0xC9, 0xCF, 0xAB, /* TAN */
	0x38, 0x6B, 0x3F, /* DARK GREEN */
	0x00, 0xA7, 0x56, /* GREEN */
	0xFA, 0xEA, 0x50, /* YELLOW */
	0xFF, 0xFC, 0xFF, /* WHITE */
	0xBD, 0xAC, 0xC8, /* GRAY */
	0x24, 0xB8, 0xFF, /* CYAN */
	0xFF, 0xB4, 0x1F, /* ORANGE */
	0x54, 0x6E, 0x00, /* BROWN */
	0xFF, 0x4E, 0x57, /* PINK */
	0xA4, 0x96, 0xFF, /* LIGHT BLUE */
	0x75, 0xCC, 0x80, /* YELLOW GREEN */
	0xB5, 0x1A, 0x58  /* PURPLE */
};

PALETTE_INIT_MEMBER(intv_state, intv)
{
	int k = 0;
	UINT8 r, g, b;
	/* Two copies of everything (why?) */

	for (int i = 0; i < 16; i++)
	{
		r = intv_colors[i * 3 + 0];
		g = intv_colors[i * 3 + 1];
		b = intv_colors[i * 3 + 2];
		palette.set_indirect_color(i, rgb_t(r, g, b));
		palette.set_indirect_color(i + 16, rgb_t(r, g, b));
	}

	for (int i = 0; i < 16; i++)
	{
		for (int j = 0; j < 16; j++)
		{
			palette.set_pen_indirect(k++, i);
			palette.set_pen_indirect(k++, j);
		}
	}

	for (int i = 0; i < 16; i++)
	{
		for (int j = 16; j < 32; j++)
		{
			palette.set_pen_indirect(k++, i);
			palette.set_pen_indirect(k++, j);
		}
	}
}

/* graphics output */

static const gfx_layout intvkbd_charlayout =
{
	8, 8,
	256,
	1,
	{ 0 },
	{ 0, 1, 2, 3, 4, 5, 6, 7 },
	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
	8 * 8
};

static GFXDECODE_START( intvkbd )
	GFXDECODE_ENTRY( "gfx1", 0x0000, intvkbd_charlayout, 0, 256 )
GFXDECODE_END

static INPUT_PORTS_START( intv )

	PORT_START("KEYPAD1")   /* Left Player Controller Starts Here */
	PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Left/1") PORT_CODE(KEYCODE_1_PAD)
	PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Left/2") PORT_CODE(KEYCODE_2_PAD)
	PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Left/3") PORT_CODE(KEYCODE_3_PAD)
	PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Left/4") PORT_CODE(KEYCODE_4_PAD)
	PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Left/5") PORT_CODE(KEYCODE_5_PAD)
	PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Left/6") PORT_CODE(KEYCODE_6_PAD)
	PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Left/7") PORT_CODE(KEYCODE_7_PAD)
	PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Left/8") PORT_CODE(KEYCODE_8_PAD)
	PORT_BIT( 0x0080, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Left/9") PORT_CODE(KEYCODE_9_PAD)
	PORT_BIT( 0x0040, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Left/Clear") PORT_CODE(KEYCODE_DEL_PAD)
	PORT_BIT( 0x0020, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Left/0") PORT_CODE(KEYCODE_0_PAD)
	PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Left/Enter") PORT_CODE(KEYCODE_ENTER_PAD)
	PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("Left/Upper") PORT_PLAYER(1)
	PORT_BIT( 0x0004, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("Left/Lower-Left") PORT_PLAYER(1)
	PORT_BIT( 0x0002, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_NAME("Left/Lower-Right") PORT_PLAYER(1)
	PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_UNUSED )

	PORT_START("DISC1")
	PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_NAME("Left/Up") PORT_PLAYER(1) PORT_CONDITION("OPTIONS",0x01,EQUALS,0x00)
	PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Left/Up-Up-Right") PORT_CONDITION("OPTIONS",0x01,EQUALS,0x00)
	PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Left/Up-Right") PORT_CONDITION("OPTIONS",0x01,EQUALS,0x00)
	PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Left/Right-Up-Right") PORT_CONDITION("OPTIONS",0x01,EQUALS,0x00)
	PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_NAME("Left/Right") PORT_PLAYER(1) PORT_CONDITION("OPTIONS",0x01,EQUALS,0x00)
	PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Left/Right-Down-Right") PORT_CONDITION("OPTIONS",0x01,EQUALS,0x00)
	PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Left/Down-Right") PORT_CONDITION("OPTIONS",0x01,EQUALS,0x00)
	PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Left/Down-Down-Right") PORT_CONDITION("OPTIONS",0x01,EQUALS,0x00)
	PORT_BIT( 0x0080, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_NAME("Left/Down") PORT_PLAYER(1) PORT_CONDITION("OPTIONS",0x01,EQUALS,0x00)
	PORT_BIT( 0x0040, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Left/Down-Down-Left") PORT_CONDITION("OPTIONS",0x01,EQUALS,0x00)
	PORT_BIT( 0x0020, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Left/Down-Left") PORT_CONDITION("OPTIONS",0x01,EQUALS,0x00)
	PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Left/Left-Down-Left") PORT_CONDITION("OPTIONS",0x01,EQUALS,0x00)
	PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_NAME("Left/Left") PORT_PLAYER(1) PORT_CONDITION("OPTIONS",0x01,EQUALS,0x00)
	PORT_BIT( 0x0004, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Left/Left-Up-Left") PORT_CONDITION("OPTIONS",0x01,EQUALS,0x00)
	PORT_BIT( 0x0002, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Left/Up-Left") PORT_CONDITION("OPTIONS",0x01,EQUALS,0x00)
	PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Left/Up-Up-Left") PORT_CONDITION("OPTIONS",0x01,EQUALS,0x00)

	PORT_START("DISCX1")
	PORT_BIT( 0xff, 0x50, IPT_AD_STICK_X ) PORT_NAME("Left/X") PORT_MINMAX(0x00,0x9f) PORT_SENSITIVITY(100) PORT_KEYDELTA(0x50) PORT_CODE_DEC(KEYCODE_LEFT) PORT_CODE_INC(KEYCODE_RIGHT) PORT_PLAYER(1) PORT_CONDITION("OPTIONS",0x01,EQUALS,0x01)

	PORT_START("DISCY1")
	PORT_BIT( 0xff, 0x50, IPT_AD_STICK_Y ) PORT_NAME("Left/Y") PORT_MINMAX(0x00,0x9f) PORT_SENSITIVITY(100) PORT_KEYDELTA(0x50) PORT_CODE_DEC(KEYCODE_UP) PORT_CODE_INC(KEYCODE_DOWN) PORT_PLAYER(1) PORT_CONDITION("OPTIONS",0x01,EQUALS,0x01)

	PORT_START("KEYPAD2")   /* Right Player Controller Starts Here */
	PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Right/1")
	PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Right/2")
	PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Right/3")
	PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Right/4")
	PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Right/5")
	PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Right/6")
	PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Right/7")
	PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Right/8")
	PORT_BIT( 0x0080, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Right/9")
	PORT_BIT( 0x0040, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Right/Clear")
	PORT_BIT( 0x0020, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Right/0")
	PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Right/Enter")
	PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("Right/Upper") PORT_PLAYER(2)
	PORT_BIT( 0x0004, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("Right/Lower-Left") PORT_PLAYER(2)
	PORT_BIT( 0x0002, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_NAME("Right/Lower-Right") PORT_PLAYER(2)
	PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_UNUSED )

	PORT_START("DISC2")
	PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_NAME("Right/Up") PORT_PLAYER(2) PORT_CONDITION("OPTIONS",0x02,EQUALS,0x00)
	PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Right/Up-Up-Right") PORT_CONDITION("OPTIONS",0x02,EQUALS,0x00)
	PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Right/Up-Right") PORT_CONDITION("OPTIONS",0x02,EQUALS,0x00)
	PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Right/Right-Up-Right") PORT_CONDITION("OPTIONS",0x02,EQUALS,0x00)
	PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_NAME("Right/Right") PORT_PLAYER(2) PORT_CONDITION("OPTIONS",0x02,EQUALS,0x00)
	PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Right/Right-Down-Right") PORT_CONDITION("OPTIONS",0x02,EQUALS,0x00)
	PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Right/Down-Right") PORT_CONDITION("OPTIONS",0x02,EQUALS,0x00)
	PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Right/Down-Down-Right") PORT_CONDITION("OPTIONS",0x02,EQUALS,0x00)
	PORT_BIT( 0x0080, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_NAME("Right/Down") PORT_PLAYER(2) PORT_CONDITION("OPTIONS",0x02,EQUALS,0x00)
	PORT_BIT( 0x0040, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Right/Down-Down-Left") PORT_CONDITION("OPTIONS",0x02,EQUALS,0x00)
	PORT_BIT( 0x0020, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Right/Down-Left") PORT_CONDITION("OPTIONS",0x02,EQUALS,0x00)
	PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Right/Left-Down-Left") PORT_CONDITION("OPTIONS",0x02,EQUALS,0x00)
	PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_NAME("Right/Left") PORT_PLAYER(2) PORT_CONDITION("OPTIONS",0x02,EQUALS,0x00)
	PORT_BIT( 0x0004, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Right/Left-Up-Left") PORT_CONDITION("OPTIONS",0x02,EQUALS,0x00)
	PORT_BIT( 0x0002, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Right/Up-Left") PORT_CONDITION("OPTIONS",0x02,EQUALS,0x00)
	PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Right/Up-Up-Left") PORT_CONDITION("OPTIONS",0x02,EQUALS,0x00)

	PORT_START("DISCX2")
	PORT_BIT( 0xff, 0x50, IPT_AD_STICK_X ) PORT_NAME("Right/X") PORT_MINMAX(0x00,0x9f) PORT_SENSITIVITY(100) PORT_KEYDELTA(0x50) PORT_CODE_DEC(KEYCODE_D) PORT_CODE_INC(KEYCODE_G) PORT_PLAYER(2) PORT_CONDITION("OPTIONS",0x02,EQUALS,0x02)

	PORT_START("DISCY2")
	PORT_BIT( 0xff, 0x50, IPT_AD_STICK_Y ) PORT_NAME("Right/Y") PORT_MINMAX(0x00,0x9f) PORT_SENSITIVITY(100) PORT_KEYDELTA(0x50) PORT_CODE_DEC(KEYCODE_R) PORT_CODE_INC(KEYCODE_F) PORT_PLAYER(2) PORT_CONDITION("OPTIONS",0x02,EQUALS,0x02)

	PORT_START("OPTIONS")
	PORT_CONFNAME( 0x01, 0x00, "Left Disc" )
	PORT_CONFSETTING(    0x00, "Digital" )
	PORT_CONFSETTING(    0x01, "Analog" )
	PORT_CONFNAME( 0x02, 0x00, "Right Disc" )
	PORT_CONFSETTING(    0x00, "Digital" )
	PORT_CONFSETTING(    0x02, "Analog" )
INPUT_PORTS_END

static INPUT_PORTS_START( intv_ecs_kbd )
/*
ECS matrix scanned by setting 0xFE bits to output and reading 0xFF
ECS Keyboard Layout:
 FF\FE  Bit 7   Bit 6   Bit 5   Bit 4   Bit 3   Bit 2   Bit 1   Bit 0
 Bit 0  NC      RTN     0       ESC     P       ;       .       (left)
 Bit 1  L       O       8       9       I       K       M       ,
 Bit 2  J       U       6       7       Y       H       B       N
 Bit 3  G       T       4       5       R       F       C       V
 Bit 4  D       E       2       3       W       S       Z       X
 Bit 5  A       CTL     (right) 1       Q       (up)    (down)  (space)
 Bit 6  SHIFT   NC      NC      NC      NC      NC      NC      NC

Shifted keys that differ from pc:
Key        : 1 2 5 6 7 (left) (right) (up) (down)
Shift + key: = " + - /  %      '       ^    ?
*/

	PORT_START("ECS_ROW0")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RTN")               PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0)           PORT_CHAR('0') PORT_CHAR(')') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC)     PORT_CHAR(UCHAR_MAMEKEY(ESC)) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P)           PORT_CHAR('P') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON)   PORT_CHAR(';') PORT_CHAR(':') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP)        PORT_CHAR('.') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT)        PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_CHAR('%') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)

	PORT_START("ECS_ROW1")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L)           PORT_CHAR('L') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O)           PORT_CHAR('O') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8)           PORT_CHAR('8') PORT_CHAR('*') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9)           PORT_CHAR('9') PORT_CHAR('(') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I)           PORT_CHAR('I') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K)           PORT_CHAR('K') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M)           PORT_CHAR('M') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA)   PORT_CHAR(',') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)

	PORT_START("ECS_ROW2")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J)           PORT_CHAR('J') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U)           PORT_CHAR('U') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6)           PORT_CHAR('6') PORT_CHAR('-') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7)           PORT_CHAR('7') PORT_CHAR('/') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y)           PORT_CHAR('Y') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H)           PORT_CHAR('H') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B)           PORT_CHAR('B') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N)           PORT_CHAR('N') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)

	PORT_START("ECS_ROW3")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G)           PORT_CHAR('G') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T)           PORT_CHAR('T') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4)           PORT_CHAR('4') PORT_CHAR('$') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5)           PORT_CHAR('5') PORT_CHAR('%') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R)           PORT_CHAR('R') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F)           PORT_CHAR('F') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C)           PORT_CHAR('C') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V)           PORT_CHAR('V') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)

	PORT_START("ECS_ROW4")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D)           PORT_CHAR('D') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E)           PORT_CHAR('E') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2)           PORT_CHAR('2') PORT_CHAR('"') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3)           PORT_CHAR('3') PORT_CHAR('#') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W)           PORT_CHAR('W') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S)           PORT_CHAR('S') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z)           PORT_CHAR('Z') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X)           PORT_CHAR('X') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)

	PORT_START("ECS_ROW5")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A)           PORT_CHAR('A') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CTL") PORT_CODE(KEYCODE_RCONTROL) PORT_CODE(KEYCODE_LCONTROL) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT)   PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_CHAR('\'') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1)           PORT_CHAR('1') PORT_CHAR('=') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q)           PORT_CHAR('Q') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP)      PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_CHAR('^') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN)        PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_CHAR('?') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE)   PORT_CHAR(' ') PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)

	PORT_START("ECS_ROW6")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SHIFT") PORT_CODE(KEYCODE_RSHIFT) PORT_CODE(KEYCODE_LSHIFT)  PORT_CHAR(UCHAR_SHIFT_1) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x02)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END

static INPUT_PORTS_START( intv_ecs_synth )
/*
ECS Synthesizer Layout:
 FF\FE  Bit 7   Bit 6   Bit 5   Bit 4   Bit 3   Bit 2   Bit 1   Bit 0
 Bit 0  G2      Gb2     F2      E2      Eb2     D2      Db2     C2
 Bit 1  Eb3     D3      Db3     C3      B2      Bb2     A2      Ab2
 Bit 2  B3      Bb3     A3      Ab3     G3      Gb3     F3      E3
 Bit 3  G4      Gb4     F4      E4      Eb4     D4      Db4     C4
 Bit 4  Eb5     D5      Db5     C5      B4      Bb4     A4      Ab4
 Bit 5  B5      Bb5     A5      Ab5     G5      Gb5     F5      E5
 Bit 6  C6      NC      NC      NC      NC      NC      NC      NC
*/
	PORT_START("ECS_SYNTH_ROW0")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G2")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Gb2")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F2")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E2")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Eb2")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D2")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Db2")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C2")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)

	PORT_START("ECS_SYNTH_ROW1")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Eb3")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D3")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Db3")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C3")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B2")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Bb2")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A2")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ab2")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)

	PORT_START("ECS_SYNTH_ROW2")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B3")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Bb3")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A3")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ab3")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G3")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Gb3")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F3")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E3")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)

	PORT_START("ECS_SYNTH_ROW3")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G4")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Gb4")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F4")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E4")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Eb4")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D4")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Db4")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C4")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)

	PORT_START("ECS_SYNTH_ROW4")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Eb5")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D5")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Db5")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C5")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B4")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Bb4")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A4")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ab4")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)

	PORT_START("ECS_SYNTH_ROW5")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B5")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Bb5")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A5")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ab5")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G5")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Gb5")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F5")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E5")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)

	PORT_START("ECS_SYNTH_ROW6")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C6")  PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x01)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END

static INPUT_PORTS_START( intv_ecs_pads )
// First ECS Hand Controller
	PORT_START("KEYPAD3")
	PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("P3/1") PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("P3/2") PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("P3/3") PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("P3/4") PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("P3/5") PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("P3/6") PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("P3/7") PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("P3/8") PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0080, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("P3/9") PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0040, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("P3/Clear") PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0020, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("P3/0") PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("P3/Enter") PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("P3/Upper") PORT_PLAYER(3) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0004, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("P3/Lower-Left") PORT_PLAYER(3) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0002, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_NAME("P3/Lower-Right") PORT_PLAYER(3) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_UNUSED )

	PORT_START("DISC3")
	PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_NAME("P3/Up") PORT_PLAYER(3) PORT_CONDITION("OPTIONS",0x04,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P3/Up-Up-Right") PORT_CONDITION("OPTIONS",0x04,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P3/Right") PORT_CONDITION("OPTIONS",0x04,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P3/Right-Up-Right") PORT_CONDITION("OPTIONS",0x04,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_NAME("P3/Right") PORT_PLAYER(3) PORT_CONDITION("OPTIONS",0x04,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P3/Right-Down-Right") PORT_CONDITION("OPTIONS",0x04,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P3/Down-Right") PORT_CONDITION("OPTIONS",0x04,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P3/Down-Down-Right") PORT_CONDITION("OPTIONS",0x04,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0080, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_NAME("P3/Down") PORT_PLAYER(3) PORT_CONDITION("OPTIONS",0x04,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0040, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P3/Down-Down-Left") PORT_CONDITION("OPTIONS",0x04,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0020, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P3/Down-Left") PORT_CONDITION("OPTIONS",0x04,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P3/Left-Down-Left") PORT_CONDITION("OPTIONS",0x04,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_NAME("P3/Left") PORT_PLAYER(3) PORT_CONDITION("OPTIONS",0x04,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0004, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P3/Left-Up-Left") PORT_CONDITION("OPTIONS",0x04,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0002, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P3/Up-Left") PORT_CONDITION("OPTIONS",0x04,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P3/Up-Up-Left") PORT_CONDITION("OPTIONS",0x04,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)

	PORT_START("DISCX3")
	PORT_BIT( 0xff, 0x50, IPT_AD_STICK_X ) PORT_NAME("P3/X") PORT_MINMAX(0x00,0x9f) PORT_SENSITIVITY(100) PORT_KEYDELTA(0x50) PORT_PLAYER(3) PORT_CONDITION("OPTIONS",0x04,EQUALS,0x04) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)

	PORT_START("DISCY3")
	PORT_BIT( 0xff, 0x50, IPT_AD_STICK_Y ) PORT_NAME("P3/Y") PORT_MINMAX(0x00,0x9f) PORT_SENSITIVITY(100) PORT_KEYDELTA(0x50) PORT_PLAYER(3) PORT_CONDITION("OPTIONS",0x04,EQUALS,0x04) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)

// Second ECS Hand Controller
	PORT_START("KEYPAD4")
	PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("P4/1") PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("P4/2") PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("P4/3") PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("P4/4") PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("P4/5") PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("P4/6") PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("P4/7") PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("P4/8") PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0080, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("P4/9") PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0040, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("P4/Clear") PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0020, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("P4/0") PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("P4/Enter") PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("P4/Upper") PORT_PLAYER(4) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0004, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("P4/Lower-Left") PORT_PLAYER(4) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0002, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_NAME("P4/Lower-Right") PORT_PLAYER(4) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_UNUSED )

	PORT_START("DISC4")
	PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_NAME("P4/Up") PORT_PLAYER(4) PORT_CONDITION("OPTIONS",0x08,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P4/Up-Up-Right") PORT_CONDITION("OPTIONS",0x08,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P4/Up-Right") PORT_CONDITION("OPTIONS",0x08,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P4/Right-Up-Right") PORT_CONDITION("OPTIONS",0x08,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_NAME("P4/Right") PORT_PLAYER(4) PORT_CONDITION("OPTIONS",0x08,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P4/Right-Down-Right") PORT_CONDITION("OPTIONS",0x08,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P4/Down-Right") PORT_CONDITION("OPTIONS",0x08,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P4/Down-Down-Right") PORT_CONDITION("OPTIONS",0x08,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0080, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_NAME("P4/Down") PORT_PLAYER(4) PORT_CONDITION("OPTIONS",0x08,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0040, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P4/Down-Down-Left") PORT_CONDITION("OPTIONS",0x08,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0020, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P4/Down-Left") PORT_CONDITION("OPTIONS",0x08,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P4/Left-Down-Left") PORT_CONDITION("OPTIONS",0x08,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_NAME("P4/Left") PORT_PLAYER(4) PORT_CONDITION("OPTIONS",0x08,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0004, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P4/Left-Up-Left") PORT_CONDITION("OPTIONS",0x08,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0002, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P4/Up-Left") PORT_CONDITION("OPTIONS",0x08,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
	PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P4/Up-Up-Left") PORT_CONDITION("OPTIONS",0x08,EQUALS,0x00) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)

	PORT_START("DISCX4")
	PORT_BIT( 0xff, 0x50, IPT_AD_STICK_X ) PORT_NAME("Right/X") PORT_MINMAX(0x00,0x9f) PORT_SENSITIVITY(100) PORT_KEYDELTA(0x50) PORT_CODE_DEC(KEYCODE_D) PORT_CODE_INC(KEYCODE_G) PORT_PLAYER(4) PORT_CONDITION("OPTIONS",0x08,EQUALS,0x08) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)

	PORT_START("DISCY4")
	PORT_BIT( 0xff, 0x50, IPT_AD_STICK_Y ) PORT_NAME("Right/Y") PORT_MINMAX(0x00,0x9f) PORT_SENSITIVITY(100) PORT_KEYDELTA(0x50) PORT_CODE_DEC(KEYCODE_R) PORT_CODE_INC(KEYCODE_F) PORT_PLAYER(4) PORT_CONDITION("OPTIONS",0x08,EQUALS,0x08) PORT_CONDITION("ECS_CNTRLSEL",0x0f,EQUALS,0x00)
INPUT_PORTS_END

static INPUT_PORTS_START( intvecs )
	PORT_INCLUDE( intv )
	PORT_INCLUDE( intv_ecs_pads )
	PORT_INCLUDE( intv_ecs_synth )
	PORT_INCLUDE( intv_ecs_kbd )

	PORT_MODIFY("OPTIONS")
	PORT_CONFNAME( 0x04, 0x00, "ECS_P3 Disc" )
	PORT_CONFSETTING(    0x00, "Digital" )
	PORT_CONFSETTING(    0x04, "Analog" )
	PORT_CONFNAME( 0x08, 0x00, "ECS_P4 Disc" )
	PORT_CONFSETTING(    0x00, "Digital" )
	PORT_CONFSETTING(    0x08, "Analog" )

	PORT_START("ECS_CNTRLSEL")
	PORT_CONFNAME( 0x0F, 0x02, "ECS Controller")
	PORT_CONFSETTING(  0x00, "Gamepads" )
	PORT_CONFSETTING(  0x01, "Piano" )
	PORT_CONFSETTING(  0x02, "Keyboard" )
INPUT_PORTS_END

/*
        Bit 7   Bit 6   Bit 5   Bit 4   Bit 3   Bit 2   Bit 1   Bit 0

 Row 0  NC      NC      NC      NC      NC      NC      CTRL    SHIFT
 Row 1  NC      NC      NC      NC      NC      NC      RPT     LOCK
 Row 2  NC      /       ,       N       V       X       NC      SPC
 Row 3  (right) .       M       B       C       Z       NC      CLS
 Row 4  (down)  ;       K       H       F       S       NC      TAB
 Row 5  ]       P       I       Y       R       W       NC      Q
 Row 6  (up)    -       9       7       5       3       NC      1
 Row 7  =       0       8       6       4       2       NC      [
 Row 8  (return)(left)  O       U       T       E       NC      ESC
 Row 9  DEL     '       L       J       G       D       NC      A

2008-05 FP:
The keyboard layout is quite strange, with '[' and ']' at the two ends of the 1st row,
'Esc' in the 2nd row (between 'Tab' and 'Q'), and with Cursor keys and 'Enter' where
you would expect the braces. Moreover, Shift + Cursor keys produce characters.
The emulated layout moves 'Esc', '[' and ']' to their usual position.

Moreover, a small note on natural keyboard support: currently
- "Clear Screen" is mapped to 'Left Alt'
- "Repeat" is mapped to 'F1'
- "Lock" is mapped to 'F2'
*/

static INPUT_PORTS_START( intvkbd )
	PORT_START("ROW0")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("NC")
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("NC")
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("NC")
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("NC")
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("NC")
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("NC")
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2)
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1)

	PORT_START("ROW1")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("NC")
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("NC")
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("NC")
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("NC")
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("NC")
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("NC")
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("REPEAT") PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_MAMEKEY(F1))
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("LOCK") PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_MAMEKEY(F2))

	PORT_START("ROW2")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("NC")
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH)   PORT_CHAR('/') PORT_CHAR('?')
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA)   PORT_CHAR(',')
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N)       PORT_CHAR('N')
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V)       PORT_CHAR('V')
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X)       PORT_CHAR('X')
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("NC")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE)   PORT_CHAR(' ')

	PORT_START("ROW3")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT)   PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_CHAR('>')
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP)    PORT_CHAR('.')
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M)       PORT_CHAR('M')
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B)       PORT_CHAR('B')
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C)       PORT_CHAR('C')
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z)       PORT_CHAR('Z')
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("NC")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Clear Screen") PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(LALT))

	PORT_START("ROW4")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN)    PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_CHAR('\\')
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON)   PORT_CHAR(';') PORT_CHAR(':')
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K)       PORT_CHAR('K')
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H)       PORT_CHAR('H')
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F)       PORT_CHAR('F')
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S)       PORT_CHAR('S')
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("NC")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB)     PORT_CHAR('\t')

	PORT_START("ROW5")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}')
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P)       PORT_CHAR('P')
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I)       PORT_CHAR('I')
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y)       PORT_CHAR('Y')
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R)       PORT_CHAR('R')
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W)       PORT_CHAR('W')
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("NC")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q)       PORT_CHAR('Q')

	PORT_START("ROW6")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP)  PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_CHAR('|')
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS)   PORT_CHAR('_') PORT_CHAR('-')
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9)       PORT_CHAR('9') PORT_CHAR('(')
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7)       PORT_CHAR('7') PORT_CHAR('&')
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5)       PORT_CHAR('5') PORT_CHAR('%')
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3)       PORT_CHAR('3') PORT_CHAR('#')
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("NC")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1)       PORT_CHAR('1') PORT_CHAR('!')

	PORT_START("ROW7")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS)  PORT_CHAR('=') PORT_CHAR('+')
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0)       PORT_CHAR('O') PORT_CHAR(')')
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8)       PORT_CHAR('8') PORT_CHAR('*')
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6)       PORT_CHAR('6') PORT_CHAR('\xA2')
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4)       PORT_CHAR('4') PORT_CHAR('$')
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2)       PORT_CHAR('2') PORT_CHAR('@')
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("NC")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{') // this one would be 1st row, 1st key (at 'Esc' position)

	PORT_START("ROW8")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Return") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT)    PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_CHAR('<')
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O)       PORT_CHAR('O')
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U)       PORT_CHAR('U')
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T)       PORT_CHAR('T')
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E)       PORT_CHAR('E')
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("NC")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC)     PORT_CHAR(UCHAR_MAMEKEY(ESC)) // this one would be 2nd row, 2nd key (between 'Tab' and 'Q')

	PORT_START("ROW9")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Del") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE)   PORT_CHAR('\'') PORT_CHAR('"')
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L)       PORT_CHAR('L')
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J)       PORT_CHAR('J')
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G)       PORT_CHAR('G')
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D)       PORT_CHAR('D')
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("NC")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A)       PORT_CHAR('A')

	PORT_START("TEST")  /* For tape drive testing... */
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0_PAD)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1_PAD)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_2_PAD)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_3_PAD)
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4_PAD)
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5_PAD)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_6_PAD)
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_7_PAD)

	/* 2008-05 FP: I include here the controller inputs to make happy the read_handler.
	Please remove this (and re-tag accordingly the inputs above) if intv_right_control_r
	is supposed to scan the keyboard inputs when the Keyboard Component is connected */
	PORT_INCLUDE( intv )
INPUT_PORTS_END

static ADDRESS_MAP_START(intv_mem, AS_PROGRAM, 16, intv_state)
	AM_RANGE(0x0000, 0x003f) AM_READWRITE( intv_stic_r, intv_stic_w )
	AM_RANGE(0x0080, 0x0081) AM_DEVREADWRITE("sp0256_speech", sp0256_device, spb640_r, spb640_w) /* Intellivoice */
	AM_RANGE(0x0100, 0x01ef) AM_READWRITE( intv_ram8_r, intv_ram8_w )
	AM_RANGE(0x01f0, 0x01ff) AM_DEVREADWRITE8("ay8914.1", ay8914_device, read, write, 0x00ff )
	AM_RANGE(0x0200, 0x035f) AM_READWRITE( intv_ram16_r, intv_ram16_w )
	AM_RANGE(0x1000, 0x1fff) AM_ROM AM_REGION("maincpu", 0x1000<<1) /* Exec ROM, 10-bits wide */
	AM_RANGE(0x3000, 0x37ff) AM_DEVREAD("stic", stic_device, grom_read) /* GROM,     8-bits wide */
	AM_RANGE(0x3800, 0x39ff) AM_READWRITE( intv_gram_r, intv_gram_w )       /* GRAM,     8-bits wide */
	AM_RANGE(0x3a00, 0x3bff) AM_READWRITE( intv_gram_r, intv_gram_w )       /* GRAM Alias,     8-bits wide */
	AM_RANGE(0x4800, 0x7fff) AM_ROM AM_REGION("maincpu", 0x4800<<1)
	AM_RANGE(0x9000, 0xBfff) AM_ROM AM_REGION("maincpu", 0x9000<<1)
	AM_RANGE(0xC000, 0xCfff) AM_ROM AM_REGION("maincpu", 0xC000<<1)
	AM_RANGE(0xD000, 0xDfff) AM_ROM AM_REGION("maincpu", 0xD000<<1)
	AM_RANGE(0xE000, 0xFfff) AM_ROM AM_REGION("maincpu", 0xE000<<1)
ADDRESS_MAP_END

static ADDRESS_MAP_START( intv2_mem , AS_PROGRAM, 16, intv_state)
	AM_RANGE(0x0000, 0x003f) AM_READWRITE( intv_stic_r, intv_stic_w )
	AM_RANGE(0x0080, 0x0081) AM_DEVREADWRITE("sp0256_speech", sp0256_device, spb640_r, spb640_w) /* Intellivoice */
	AM_RANGE(0x0100, 0x01ef) AM_READWRITE( intv_ram8_r, intv_ram8_w )
	AM_RANGE(0x01f0, 0x01ff) AM_DEVREADWRITE8("ay8914.1", ay8914_device, read, write, 0x00ff )
	AM_RANGE(0x0200, 0x035f) AM_READWRITE( intv_ram16_r, intv_ram16_w )
	AM_RANGE(0x0400, 0x04ff) AM_ROM AM_REGION("maincpu", 0x400<<1)  /* Exec ROM, 10-bits wide */
	AM_RANGE(0x1000, 0x1fff) AM_ROM AM_REGION("maincpu", 0x1000<<1) /* Exec ROM, 10-bits wide */
	AM_RANGE(0x3000, 0x37ff) AM_DEVREAD("stic", stic_device, grom_read) /* GROM,     8-bits wide */
	AM_RANGE(0x3800, 0x39ff) AM_READWRITE( intv_gram_r, intv_gram_w )       /* GRAM,     8-bits wide */
	AM_RANGE(0x3a00, 0x3bff) AM_READWRITE( intv_gram_r, intv_gram_w )       /* GRAM Alias,     8-bits wide */
	AM_RANGE(0x4800, 0x7fff) AM_ROM AM_REGION("maincpu", 0x4800<<1)
	AM_RANGE(0x9000, 0xBfff) AM_ROM AM_REGION("maincpu", 0x9000<<1)
	AM_RANGE(0xC000, 0xCfff) AM_ROM AM_REGION("maincpu", 0xC000<<1)
	AM_RANGE(0xD000, 0xDfff) AM_ROM AM_REGION("maincpu", 0xD000<<1)
	AM_RANGE(0xE000, 0xFfff) AM_ROM AM_REGION("maincpu", 0xE000<<1)
ADDRESS_MAP_END

static ADDRESS_MAP_START( intvecs_mem , AS_PROGRAM, 16, intv_state)
	AM_RANGE(0x0000, 0x003f) AM_READWRITE( intv_stic_r, intv_stic_w )
	AM_RANGE(0x0080, 0x0081) AM_DEVREADWRITE("sp0256_speech", sp0256_device, spb640_r, spb640_w) /* Intellivoice */
	// AM_RANGE(0x00E0, 0x00E3) AM_READWRITE( intv_ecs_uart_r, intv_ecs_uart_w )
	AM_RANGE(0x00f0, 0x00ff) AM_DEVREADWRITE8("ay8914.2", ay8914_device, read, write, 0x00ff ) /* ecs psg */
	AM_RANGE(0x0100, 0x01ef) AM_READWRITE( intv_ram8_r, intv_ram8_w )
	AM_RANGE(0x01f0, 0x01ff) AM_DEVREADWRITE8("ay8914.1", ay8914_device, read, write, 0x00ff )
	AM_RANGE(0x0200, 0x035f) AM_READWRITE( intv_ram16_r, intv_ram16_w )
	AM_RANGE(0x1000, 0x1fff) AM_ROM AM_REGION("maincpu", 0x1000<<1) /* Exec ROM, 10-bits wide */
	AM_RANGE(0x2000, 0x2fff) AM_READ_BANK("bank1") AM_WRITE( ecs_bank1_page_select );
	AM_RANGE(0x3000, 0x37ff) AM_DEVREAD("stic", stic_device, grom_read) /* GROM,     8-bits wide */
	AM_RANGE(0x3800, 0x39ff) AM_READWRITE( intv_gram_r, intv_gram_w )       /* GRAM,     8-bits wide */
	AM_RANGE(0x3a00, 0x3bff) AM_READWRITE( intv_gram_r, intv_gram_w )       /* GRAM Alias,     8-bits wide */
	AM_RANGE(0x4000, 0x47ff) AM_READWRITE( intv_ecs_ram8_r, intv_ecs_ram8_w )
	AM_RANGE(0x4800, 0x6fff) AM_ROM AM_REGION("maincpu", 0x4800<<1)
	AM_RANGE(0x7000, 0x7fff) AM_READ_BANK("bank2") AM_WRITE( ecs_bank2_page_select );
	//AM_RANGE(0x8800, 0x8fff) AM_RAM_BANK("bank5") // cart rom / game factory ram
	AM_RANGE(0x9000, 0xBfff) AM_ROM AM_REGION("maincpu", 0x9000<<1)
	AM_RANGE(0xC000, 0xCfff) AM_ROM AM_REGION("maincpu", 0xC000<<1)
	AM_RANGE(0xD000, 0xDfff) AM_ROM AM_REGION("maincpu", 0xD000<<1)
	AM_RANGE(0xE000, 0xEfff) AM_READ_BANK("bank3") AM_WRITE( ecs_bank3_page_select );
	AM_RANGE(0xF000, 0xFfff) AM_READ_BANK("bank4") AM_WRITE( wsmlb_bank_page_select ); // World Series Major League Baseball Banking
ADDRESS_MAP_END

static ADDRESS_MAP_START( intvkbd_mem , AS_PROGRAM, 16, intv_state)
	AM_RANGE(0x0000, 0x003f) AM_READWRITE( intv_stic_r, intv_stic_w )
	AM_RANGE(0x0080, 0x0081) AM_DEVREADWRITE("sp0256_speech", sp0256_device, spb640_r, spb640_w) /* Intellivoice */
	AM_RANGE(0x0100, 0x01ef) AM_READWRITE( intv_ram8_r, intv_ram8_w )
	AM_RANGE(0x01f0, 0x01ff) AM_DEVREADWRITE8("ay8914.1", ay8914_device, read, write, 0x00ff )
	AM_RANGE(0x0200, 0x035f) AM_READWRITE( intv_ram16_r, intv_ram16_w )
	AM_RANGE(0x1000, 0x1fff) AM_ROM AM_REGION("maincpu", 0x1000<<1) /* Exec ROM, 10-bits wide */
	AM_RANGE(0x3000, 0x37ff) AM_DEVREAD("stic", stic_device, grom_read) /* GROM,     8-bits wide */
	AM_RANGE(0x3800, 0x39ff) AM_READWRITE( intv_gram_r, intv_gram_w )       /* GRAM,     8-bits wide */
	AM_RANGE(0x3a00, 0x3bff) AM_READWRITE( intv_gram_r, intv_gram_w )       /* GRAM Alias,     8-bits wide */
	AM_RANGE(0x4800, 0x6fff) AM_ROM     /* Cartridges? */
	AM_RANGE(0x7000, 0x7fff) AM_ROM AM_REGION("maincpu", 0x7000<<1) /* Keyboard ROM */
	AM_RANGE(0x8000, 0xbfff) AM_RAM_WRITE( intvkbd_dualport16_w ) AM_SHARE("dualport_ram")  /* Dual-port RAM */
ADDRESS_MAP_END

static ADDRESS_MAP_START( intvkbd2_mem , AS_PROGRAM, 8, intv_state)
	ADDRESS_MAP_UNMAP_HIGH  /* Required because of probing */
	AM_RANGE( 0x0000, 0x3fff) AM_READWRITE( intvkbd_dualport8_lsb_r, intvkbd_dualport8_lsb_w )  /* Dual-port RAM */
	AM_RANGE( 0x4000, 0x7fff) AM_READWRITE( intvkbd_dualport8_msb_r, intvkbd_dualport8_msb_w )  /* Dual-port RAM */
	AM_RANGE( 0xb7f8, 0xb7ff) AM_RAM    /* ??? */
	AM_RANGE( 0xb800, 0xbfff) AM_RAM AM_SHARE("videoram") /* Text Display */
	AM_RANGE( 0xc000, 0xffff) AM_ROM
ADDRESS_MAP_END

void intv_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
{
	switch (id)
	{
	case TIMER_INTV_INTERRUPT2_COMPLETE:
		intv_interrupt2_complete(ptr, param);
		break;
	case TIMER_INTV_INTERRUPT_COMPLETE:
		intv_interrupt_complete(ptr, param);
		break;
	case TIMER_INTV_BTB_FILL:
		intv_btb_fill(ptr, param);
		break;
	default:
		assert_always(FALSE, "Unknown id in intv_state::device_timer");
	}
}


/* This is needed because MAME core does not allow PULSE_LINE.
    The time interval is not critical, although it should be below 1000. */

TIMER_CALLBACK_MEMBER(intv_state::intv_interrupt2_complete)
{
	m_keyboard->set_input_line(0, CLEAR_LINE);
}

INTERRUPT_GEN_MEMBER(intv_state::intv_interrupt2)
{
	m_keyboard->set_input_line(0, ASSERT_LINE);
	timer_set(m_keyboard->cycles_to_attotime(100), TIMER_INTV_INTERRUPT2_COMPLETE);
}

static MACHINE_CONFIG_START( intv, intv_state )
	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu", CP1610, XTAL_3_579545MHz/4)        /* Colorburst/4 */
	MCFG_CPU_PROGRAM_MAP(intv_mem)
	MCFG_CPU_VBLANK_INT_DRIVER("screen", intv_state,  intv_interrupt)
	MCFG_QUANTUM_TIME(attotime::from_hz(60))

	/* video hardware */
	MCFG_STIC_ADD("stic")

	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_REFRESH_RATE(59.92)
	//MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2400)) /* not accurate */
	MCFG_SCREEN_UPDATE_DRIVER(intv_state, screen_update_intv)
	MCFG_SCREEN_SIZE((STIC_OVERSCAN_LEFT_WIDTH+STIC_BACKTAB_WIDTH*STIC_CARD_WIDTH-1+STIC_OVERSCAN_RIGHT_WIDTH)*STIC_X_SCALE*INTV_X_SCALE, (STIC_OVERSCAN_TOP_HEIGHT+STIC_BACKTAB_HEIGHT*STIC_CARD_HEIGHT+STIC_OVERSCAN_BOTTOM_HEIGHT)*STIC_Y_SCALE*INTV_Y_SCALE)
	MCFG_SCREEN_VISIBLE_AREA(0, (STIC_OVERSCAN_LEFT_WIDTH+STIC_BACKTAB_WIDTH*STIC_CARD_WIDTH-1+STIC_OVERSCAN_RIGHT_WIDTH)*STIC_X_SCALE*INTV_X_SCALE-1, 0, (STIC_OVERSCAN_TOP_HEIGHT+STIC_BACKTAB_HEIGHT*STIC_CARD_HEIGHT+STIC_OVERSCAN_BOTTOM_HEIGHT)*STIC_Y_SCALE*INTV_Y_SCALE-1)
	MCFG_SCREEN_PALETTE("palette")

	MCFG_PALETTE_ADD("palette", 0x400)
	MCFG_PALETTE_INDIRECT_ENTRIES(32)
	MCFG_PALETTE_INIT_OWNER(intv_state, intv)

	/* sound hardware */
	MCFG_SPEAKER_STANDARD_MONO("mono")
	MCFG_SOUND_ADD("ay8914.1", AY8914, XTAL_3_579545MHz/2)
	MCFG_AY8910_PORT_A_READ_CB(READ8(intv_state, intv_right_control_r))
	MCFG_AY8910_PORT_B_READ_CB(READ8(intv_state, intv_left_control_r))
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.33)

	MCFG_SOUND_ADD("sp0256_speech", SP0256, 3120000)
	/* The Intellivoice uses a speaker with its own volume control so the relative volumes to use are subjective */
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)

	/* cartridge */
	MCFG_CARTSLOT_ADD("cart")
	MCFG_CARTSLOT_EXTENSION_LIST("int,rom,bin,itv")
	MCFG_CARTSLOT_LOAD(intv_state,intv_cart)
	MCFG_CARTSLOT_INTERFACE("intv_cart")
	/* software lists */
	MCFG_SOFTWARE_LIST_ADD("cart_list","intv")
MACHINE_CONFIG_END

static MACHINE_CONFIG_DERIVED( intv2, intv )
	MCFG_CPU_MODIFY( "maincpu" )
	MCFG_CPU_PROGRAM_MAP(intv2_mem)
MACHINE_CONFIG_END

static MACHINE_CONFIG_DERIVED( intvecs, intv )
	MCFG_CPU_MODIFY( "maincpu" )
	MCFG_CPU_PROGRAM_MAP(intvecs_mem)
	MCFG_SOFTWARE_LIST_ADD("cart_list_ecs","intvecs")

	MCFG_SOUND_ADD("ay8914.2", AY8914, XTAL_3_579545MHz/2)
	MCFG_AY8910_PORT_A_READ_CB(READ8(intv_state, intv_ecs_porta_r))
	MCFG_AY8910_PORT_B_READ_CB(READ8(intv_state, intv_ecs_portb_r))
	MCFG_AY8910_PORT_A_WRITE_CB(WRITE8(intv_state, intv_ecs_porta_w))
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.33)

	/* cassette */
	//MCFG_CASSETTE_ADD( "cassette" )

MACHINE_CONFIG_END

static MACHINE_CONFIG_DERIVED( intvkbd, intv )
	MCFG_CPU_MODIFY( "maincpu" )
	MCFG_CPU_PROGRAM_MAP(intvkbd_mem)

	MCFG_CPU_ADD("keyboard", M6502, XTAL_3_579545MHz/2) /* Colorburst/2 */
	MCFG_CPU_PROGRAM_MAP(intvkbd2_mem)
	MCFG_CPU_VBLANK_INT_DRIVER("screen", intv_state,  intv_interrupt2)

	MCFG_QUANTUM_TIME(attotime::from_hz(6000))

	/* video hardware */
	MCFG_GFXDECODE_ADD("gfxdecode", "palette", intvkbd)
	MCFG_PALETTE_MODIFY("palette")
	MCFG_PALETTE_INIT_OWNER(intv_state, intv)

	MCFG_SCREEN_MODIFY("screen")
	MCFG_SCREEN_SIZE((STIC_OVERSCAN_LEFT_WIDTH+STIC_BACKTAB_WIDTH*STIC_CARD_WIDTH-1+STIC_OVERSCAN_RIGHT_WIDTH)*STIC_X_SCALE*INTVKBD_X_SCALE, (STIC_OVERSCAN_TOP_HEIGHT+STIC_BACKTAB_HEIGHT*STIC_CARD_HEIGHT+STIC_OVERSCAN_BOTTOM_HEIGHT)*STIC_Y_SCALE*INTVKBD_Y_SCALE)
	MCFG_SCREEN_VISIBLE_AREA(0, (STIC_OVERSCAN_LEFT_WIDTH+STIC_BACKTAB_WIDTH*STIC_CARD_WIDTH-1+STIC_OVERSCAN_RIGHT_WIDTH)*STIC_X_SCALE*INTVKBD_X_SCALE-1, 0, (STIC_OVERSCAN_TOP_HEIGHT+STIC_BACKTAB_HEIGHT*STIC_CARD_HEIGHT+STIC_OVERSCAN_BOTTOM_HEIGHT)*STIC_Y_SCALE*INTVKBD_Y_SCALE-1)
	MCFG_SCREEN_UPDATE_DRIVER(intv_state, screen_update_intvkbd)

	/* cartridge */
	MCFG_DEVICE_REMOVE("cart")
	MCFG_CARTSLOT_ADD("cart1")
	MCFG_CARTSLOT_EXTENSION_LIST("int,rom,bin,itv")
	MCFG_CARTSLOT_NOT_MANDATORY
	MCFG_CARTSLOT_LOAD(intv_state,intvkbd_cart)
	MCFG_CARTSLOT_INTERFACE("intv_cart")

	MCFG_CARTSLOT_ADD("cart2")
	MCFG_CARTSLOT_EXTENSION_LIST("int,rom,bin,itv")
	MCFG_CARTSLOT_NOT_MANDATORY
	MCFG_CARTSLOT_LOAD(intv_state,intvkbd_cart)
	MCFG_CARTSLOT_INTERFACE("intv_cart")
MACHINE_CONFIG_END

ROM_START(intv) // the intv1 exec rom should be two roms: RO-3-9502-011.U5 and RO-3-9504-021.U6
	ROM_REGION(0x10000<<1,"maincpu", ROMREGION_ERASEFF)
	ROM_LOAD16_WORD( "exec.bin", (0x1000<<1)+0, 0x2000, CRC(cbce86f7) SHA1(5a65b922b562cb1f57dab51b73151283f0e20c7a))

	ROM_REGION( 0x10000<<1, "sp0256_speech", 0 )
	/* SP0256-012 Speech chip w/2KiB mask rom */
	ROM_LOAD( "sp0256-012.bin",   0x1000, 0x0800, CRC(0de7579d) SHA1(618563e512ff5665183664f52270fa9606c9d289) )
ROM_END

// the later intellivision 2's exec rom is a single ro-3-9506-010 at location ic6 holding 8k plus 512 bytes; the 1st 512 bytes are at 0x400 and the 8k at 0x1000
ROM_START(intv2)
	ROM_REGION(0x10000<<1,"maincpu", ROMREGION_ERASEFF)
	ROM_LOAD16_WORD_SWAP( "ro-3-9506-010.ic6", (0x400<<1)+0, 0x200, CRC(DD7E1237) SHA1(FB821A643B7714ED4C812553CD3F668766FD44AB))
	ROM_CONTINUE( (0x1000<<1)+0, 0x2000 )

	ROM_REGION( 0x10000<<1, "sp0256_speech", 0 )
	/* SP0256-012 Speech chip w/2KiB mask rom */
	ROM_LOAD( "sp0256-012.bin",   0x1000, 0x0800, CRC(0de7579d) SHA1(618563e512ff5665183664f52270fa9606c9d289) )
ROM_END

ROM_START(intvsrs) // the intv1 sears exec rom should be two roms: RO-3-9502-???.U5 and RO-3-9504-???.U6 but the correct names are unknown as of yet
	ROM_REGION(0x10000<<1,"maincpu", ROMREGION_ERASEFF)
	ROM_LOAD16_WORD( "searsexc.bin", (0x1000<<1)+0, 0x2000, CRC(ea552a22) SHA1(834339de056d42a35571cae7fd5b04d1344001e9))

	ROM_REGION( 0x10000<<1, "sp0256_speech", 0 )
	/* SP0256-012 Speech chip w/2KiB mask rom */
	ROM_LOAD( "sp0256-012.bin",   0x1000, 0x0800, CRC(0de7579d) SHA1(618563e512ff5665183664f52270fa9606c9d289) )
ROM_END

ROM_START(intvecs) // the intv1 exec rom should be two roms: RO-3-9502-011.U5 and RO-3-9504-021.U6
	ROM_REGION(0x10000<<1,"maincpu", ROMREGION_ERASEFF)
	ROM_LOAD16_WORD( "exec.bin", (0x1000<<1)+0, 0x2000, CRC(cbce86f7) SHA1(5a65b922b562cb1f57dab51b73151283f0e20c7a))

	ROM_REGION( 0x10000<<1, "sp0256_speech", 0 )
	/* SP0256-012 Speech chip w/2KiB mask rom */
	ROM_LOAD( "sp0256-012.bin",   0x1000, 0x0800, CRC(0de7579d) SHA1(618563e512ff5665183664f52270fa9606c9d289) )

	ROM_REGION( 0x10000<<1, "ecs_rom", ROMREGION_ERASEFF)
	ROM_LOAD16_WORD_SWAP( "ecs_rom.bin", 0x2000<<1, 0x2000, CRC(ea790a06) SHA1(b7ccb38b881d7f8426cd6f1f8a7aabbd31784fc5))
	ROM_CONTINUE( 0x7000<<1, 0x2000 )
	ROM_CONTINUE( 0xE000<<1, 0x2000 )
ROM_END

ROM_START(intvkbd) // the intv1 exec rom should be two roms: RO-3-9502-011.U5 and RO-3-9504-021.U6
	ROM_REGION(0x10000<<1,"maincpu", ROMREGION_ERASEFF)
	ROM_LOAD16_WORD( "exec.bin", 0x1000<<1, 0x2000, CRC(cbce86f7) SHA1(5a65b922b562cb1f57dab51b73151283f0e20c7a))
	ROM_LOAD16_WORD( "024.u60",  0x7000<<1, 0x1000, CRC(4f7998ec) SHA1(ec006d0ae9002e9d56d83a71f5f2eddd6a456a40))
	ROM_LOAD16_BYTE( "4d72.u62", 0x7800<<1, 0x0800, CRC(aa57c594) SHA1(741860d489d90f5882ca53daa3169b6abacdf130))
	ROM_LOAD16_BYTE( "4d71.u63", (0x7800<<1)+1, 0x0800, CRC(069b2f0b) SHA1(070850bb32f8474107cc52c5183cfaa32d640f9a))

	ROM_REGION(0x10000,"keyboard",0)
	ROM_LOAD( "0104.u20",  0xc000, 0x1000, CRC(5c6f1256) SHA1(271931fb354dfae6a1a5697ee888924a89a15ca8))
	ROM_RELOAD( 0xe000, 0x1000 )
	ROM_LOAD("cpu2d.u21",  0xd000, 0x1000, CRC(2c2dba33) SHA1(0db5d177fec3f8ae89abeef2e6900ad4f3460266))
	ROM_RELOAD( 0xf000, 0x1000 )

	ROM_REGION(0x00800,"gfx1",0)
	ROM_LOAD( "4c52.u34",  0x0000, 0x0800, CRC(cbeb2e96) SHA1(f0e17adcd278fb376c9f90833c7fbbb60193dbe3))
ROM_END

DRIVER_INIT_MEMBER(intv_state,intv)
{
	m_stic->set_x_scale(INTV_X_SCALE);
	m_stic->set_y_scale(INTV_Y_SCALE);
	m_is_keybd = 0;
	m_is_ecs = 0;
}

DRIVER_INIT_MEMBER(intv_state,intvkbd)
{
	m_stic->set_x_scale(INTVKBD_X_SCALE);
	m_stic->set_y_scale(INTVKBD_Y_SCALE);
	m_is_keybd = 1;
	m_is_ecs = 0;
}

DRIVER_INIT_MEMBER(intv_state,intvecs)
{
	m_stic->set_x_scale(INTV_X_SCALE);
	m_stic->set_y_scale(INTV_Y_SCALE);
	m_is_keybd = 0;
	m_is_ecs = 1;
}


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

  Game driver(s)

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

/*    YEAR  NAME        PARENT  COMPAT  MACHINE     INPUT       INIT        COMPANY     FULLNAME */
CONS( 1979, intv,       0,      0,      intv,       intv,       intv_state,    intv,       "Mattel", "Intellivision", GAME_SUPPORTS_SAVE )
CONS( 1981, intvsrs,    intv,   0,      intv,       intv,       intv_state,    intv,       "Sears",  "Super Video Arcade", GAME_SUPPORTS_SAVE )
COMP( 1981, intvkbd,    intv,   0,      intvkbd,    intvkbd,    intv_state,    intvkbd,    "Mattel", "Intellivision Keyboard Component (Unreleased)", GAME_NOT_WORKING | GAME_SUPPORTS_SAVE )
CONS( 1982, intv2,      intv,   0,      intv2,      intv,       intv_state,    intv,       "Mattel", "Intellivision II", GAME_SUPPORTS_SAVE )
COMP( 1983, intvecs,    intv,   0,      intvecs,    intvecs,    intv_state,    intvecs,    "Mattel", "Intellivision Entertainment Computer System", GAME_SUPPORTS_SAVE )