// license:BSD-3-Clause
// copyright-holders:Sandro Ronco
/*
VTech PreComputer Prestige Elite
PCB Layout
----------
|-------------------------------------------|
| |-------CN1-------| CN2 |
| |
| CN3 |
| |
|CN10 |
|CN9 RAM --|
|CN8 |
| |
| Z80 ROM |
| 04010 CN4 |
|CN7 |
|CN6 |
| |------CN5------| --|
|-------------------------------------------|
Notes:
All IC's shown.
ROM - VTech LH5S8R14, labeled "1998 27-6020-02" (dumped as 1Mx8)
Z80 - Z80 family SOC?
RAM - LG Semicon GM76C256CLLFW55 32Kx8 Static RAM
04010 - ?
CN1 - Centronics connector
CN2 - mouse connector
CN3 - LCD ribbon cable
CN4 - expansion connector
CN5 - keyboard ribbon cable
CN6 - speaker wire
CN7 - volume wire
CN8 - ? wire
CN9 - power wire
CN10 - NVRAM battery wire
*/
/*
Undumped cartridges:
80-1410 Super Science
80-1533 Famous Things & Places
80-0989 Bible Knowledge
80-1001 Fantasy Trivia
80-1002 General Knowledge II
80-1003 Sports History
80-2314 Familiar Faces
80-2315 Historical Happenings
80-2333 Arts, Entertainment & More
80-2334 Customs & Cultures
80-1531 32K RAM Memory Expansion Cartridge
80-12051 Space Scholar
80-12053 Frenzy of Facts
80-12052 Spreadsheet Success
*/
/*
TODO:
- identify unknown chips (maybe related to the sound??)
- better IRQ timing
- the mouse is too slow and sometime freezes
- finish to decode the memory banking
- sound
- cartridges
*/
#include "emu.h"
#include "cpu/z80/z80.h"
#include "machine/ram.h"
#include "imagedev/cartslot.h"
#include "rendlay.h"
class prestige_state : public driver_device
{
public:
prestige_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_ram(*this, RAM_TAG),
m_bank1(*this, "bank1"),
m_bank2(*this, "bank2"),
m_bank3(*this, "bank3"),
m_bank4(*this, "bank4"),
m_bank5(*this, "bank5")
{ }
required_device<cpu_device> m_maincpu;
required_device<ram_device> m_ram;
required_memory_bank m_bank1;
required_memory_bank m_bank2;
required_memory_bank m_bank3;
required_memory_bank m_bank4;
required_memory_bank m_bank5;
UINT8 m_bank[7];
UINT8 m_kb_matrix;
UINT8 m_irq_counter;
UINT8 m_mousex;
UINT8 m_mousey;
UINT8 *m_vram;
virtual void machine_start();
UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
DECLARE_READ8_MEMBER( bankswitch_r );
DECLARE_WRITE8_MEMBER( bankswitch_w );
DECLARE_READ8_MEMBER( kb_r );
DECLARE_WRITE8_MEMBER( kb_w );
DECLARE_READ8_MEMBER( mouse_r );
DECLARE_WRITE8_MEMBER( mouse_w );
DECLARE_PALETTE_INIT(prestige);
TIMER_DEVICE_CALLBACK_MEMBER(irq_timer);
IRQ_CALLBACK_MEMBER(prestige_int_ack);
};
READ8_MEMBER( prestige_state::bankswitch_r )
{
return m_bank[offset];
}
WRITE8_MEMBER( prestige_state::bankswitch_w )
{
address_space &program = m_maincpu->space(AS_PROGRAM);
switch (offset)
{
case 0:
m_bank1->set_entry(data & 0x3f);
break;
case 1:
if (m_bank[5] & 0x02)
m_bank2->set_entry(0x40 + (data & 0x1f));
else
m_bank2->set_entry(data & 0x3f);
break;
case 2:
if (m_bank[5] & 0x04)
m_bank3->set_entry(0x40 + (data & 0x1f));
else
m_bank3->set_entry(data & 0x3f);
break;
case 3:
m_bank4->set_entry(data & 0x03);
break;
case 4:
m_bank5->set_entry(data & 0x03);
break;
case 5:
if (ioport("CART_TYPE")->read() == 0x01)
{
//cartridge memory is writable
if (data & 0x02)
program.install_readwrite_bank(0x4000, 0x7fff, "bank2");
else
program.unmap_write(0x4000, 0x7fff);
if (data & 0x04)
program.install_readwrite_bank(0x8000, 0xbfff, "bank3");
else
program.unmap_write(0x8000, 0xbfff);
}
else
{
//cartridge memory is read-only
program.unmap_write(0x4000, 0xbfff);
}
break;
case 6:
break;
}
m_bank[offset] = data;
}
READ8_MEMBER( prestige_state::kb_r )
{
static const char *const bitnames[2][8] =
{
{"LINE0", "LINE1", "LINE2", "LINE3", "LINE4", "LINE5", "LINE6", "LINE7"},
{"LINE8", "LINE9", "LINEA", "LINEB", "LINEC", "LINED", "LINEE", "LINEF"}
};
UINT8 data = 0xff;
for (int line=0; line<8; line++)
if (!(m_kb_matrix & (1<<line)))
data &= ioport(bitnames[offset][line])->read();
return data;
}
WRITE8_MEMBER( prestige_state::kb_w )
{
m_kb_matrix = data;
}
READ8_MEMBER( prestige_state::mouse_r )
{
INT16 data = 0;
switch( offset )
{
case 0: //x-axis
data = (ioport("MOUSEX")->read() - m_mousex);
break;
case 1: //y-axis
data = (ioport("MOUSEY")->read() - m_mousey);
break;
}
return 0x80 + data;
}
WRITE8_MEMBER( prestige_state::mouse_w )
{
switch( offset )
{
case 0: //x-axis
m_mousex = ioport("MOUSEX")->read();
break;
case 1: //y-axis
m_mousey = ioport("MOUSEY")->read();
break;
}
}
static ADDRESS_MAP_START(prestige_mem, AS_PROGRAM, 8, prestige_state)
AM_RANGE(0x0000, 0x3fff) AM_ROMBANK("bank1")
AM_RANGE(0x4000, 0x7fff) AM_ROMBANK("bank2")
AM_RANGE(0x8000, 0xbfff) AM_ROMBANK("bank3")
AM_RANGE(0xc000, 0xdfff) AM_RAMBANK("bank4")
AM_RANGE(0xe000, 0xffff) AM_RAMBANK("bank5")
ADDRESS_MAP_END
static ADDRESS_MAP_START( prestige_io , AS_IO, 8, prestige_state)
ADDRESS_MAP_UNMAP_HIGH
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x04, 0x05) AM_READWRITE(mouse_r, mouse_w)
AM_RANGE(0x50, 0x56) AM_READWRITE(bankswitch_r, bankswitch_w)
AM_RANGE(0x40, 0x40) AM_WRITE(kb_w)
AM_RANGE(0x41, 0x42) AM_READ(kb_r)
ADDRESS_MAP_END
/* Input ports */
INPUT_PORTS_START( prestige )
PORT_START("CART_TYPE")
PORT_CONFNAME( 0x01, 0x00, "Cartridge Type" )
PORT_CONFSETTING( 0x00, "ROM" )
PORT_CONFSETTING( 0x01, "RAM" )
PORT_START("MOUSEX")
PORT_BIT( 0xff, 0x00, IPT_MOUSE_X ) PORT_SENSITIVITY(20) PORT_KEYDELTA(2)
PORT_START("MOUSEY")
PORT_BIT( 0xff, 0x00, IPT_MOUSE_Y ) PORT_SENSITIVITY(20) PORT_KEYDELTA(2)
PORT_START("LINE0")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Left mouse button") PORT_CODE(MOUSECODE_BUTTON1)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("e") PORT_CODE(KEYCODE_E)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\xca\xbb") PORT_CODE(KEYCODE_OPENBRACE)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("g") PORT_CODE(KEYCODE_G)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Left Shift") PORT_CODE(KEYCODE_LSHIFT)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(",") PORT_CODE(KEYCODE_COMMA)
PORT_START("LINE1")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Right mouse button") PORT_CODE(MOUSECODE_BUTTON2)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("r") PORT_CODE(KEYCODE_R)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("+") PORT_CODE(KEYCODE_PLUS_PAD)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("h") PORT_CODE(KEYCODE_H)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("z") PORT_CODE(KEYCODE_Z)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(".") PORT_CODE(KEYCODE_STOP)
PORT_START("LINE2")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Mouse Up (KB)") PORT_CODE(KEYCODE_8_PAD)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("'") PORT_CODE(KEYCODE_QUOTE)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("t") PORT_CODE(KEYCODE_T)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ins") PORT_CODE(KEYCODE_HOME)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("j") PORT_CODE(KEYCODE_J)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("x") PORT_CODE(KEYCODE_X)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("-") PORT_CODE(KEYCODE_MINUS)
PORT_START("LINE3")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Mouse Left (KB)") PORT_CODE(KEYCODE_4_PAD)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\xc2\xa1") PORT_CODE(KEYCODE_CLOSEBRACE)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("y") PORT_CODE(KEYCODE_Y)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Caps Lock") PORT_CODE(KEYCODE_CAPSLOCK)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("k") PORT_CODE(KEYCODE_K)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("c") PORT_CODE(KEYCODE_C)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Up") PORT_CODE(KEYCODE_UP)
PORT_START("LINE4")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Mouse Right (KB)") PORT_CODE(KEYCODE_6_PAD)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Backspace") PORT_CODE(KEYCODE_BACKSPACE)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("u") PORT_CODE(KEYCODE_U)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("a") PORT_CODE(KEYCODE_A)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("l") PORT_CODE(KEYCODE_L)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("v") PORT_CODE(KEYCODE_V)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Right Shift") PORT_CODE(KEYCODE_RSHIFT)
PORT_START("LINE5")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Mouse Down (KB)") PORT_CODE(KEYCODE_2_PAD)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Esc") PORT_CODE(KEYCODE_ESC)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("i") PORT_CODE(KEYCODE_I)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("s") PORT_CODE(KEYCODE_S)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\xc3\xb1") PORT_CODE(KEYCODE_BACKSLASH)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("b") PORT_CODE(KEYCODE_B)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Help") PORT_CODE(KEYCODE_PGUP)
PORT_START("LINE6")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("??") PORT_CODE(KEYCODE_F10)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("q") PORT_CODE(KEYCODE_Q)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("o") PORT_CODE(KEYCODE_O)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("d") PORT_CODE(KEYCODE_D)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("??") PORT_CODE(KEYCODE_SLASH)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("n") PORT_CODE(KEYCODE_N)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Symbol") PORT_CODE(KEYCODE_PGDN)
PORT_START("LINE7")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("OFF") PORT_CODE(KEYCODE_F9)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("w") PORT_CODE(KEYCODE_W)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("p") PORT_CODE(KEYCODE_P)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("f") PORT_CODE(KEYCODE_F)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("m") PORT_CODE(KEYCODE_M)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Answer") PORT_CODE(KEYCODE_END)
PORT_START("LINE8")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Word Games") PORT_CODE(KEYCODE_F1)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Player") PORT_CODE(KEYCODE_F2)
PORT_BIT(0xf8, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINE9")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Alt") PORT_CODE(KEYCODE_LALT)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Mathematics") PORT_CODE(KEYCODE_F3)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Level") PORT_CODE(KEYCODE_F4)
PORT_BIT(0xf8, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINEA")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Repeat") PORT_CODE(KEYCODE_RALT)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Trivia") PORT_CODE(KEYCODE_F5)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Cartridge") PORT_CODE(KEYCODE_F6)
PORT_BIT(0xf8, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINEB")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Left") PORT_CODE(KEYCODE_LEFT)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Logic Games") PORT_CODE(KEYCODE_F7)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Business Basics") PORT_CODE(KEYCODE_F8)
PORT_BIT(0xf8, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINEC")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Down") PORT_CODE(KEYCODE_DOWN)
PORT_BIT(0xfe, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINED")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Right") PORT_CODE(KEYCODE_RIGHT)
PORT_BIT(0xfe, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINEE")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Left mouse button (KB)") PORT_CODE(KEYCODE_0_PAD)
PORT_BIT(0xfe, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINEF")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Right mouse button (KB)") PORT_CODE(KEYCODE_DEL_PAD)
PORT_BIT(0xfe, IP_ACTIVE_LOW, IPT_UNUSED)
INPUT_PORTS_END
IRQ_CALLBACK_MEMBER(prestige_state::prestige_int_ack)
{
UINT32 vector;
m_maincpu->set_input_line(0, CLEAR_LINE);
if (m_irq_counter == 0x02)
{
m_irq_counter = 0;
vector = 0x0020;
}
else
{
m_irq_counter++;
vector = 0x0030;
}
return (0xcd<<16) | vector;
}
void prestige_state::machine_start()
{
UINT8 *rom = (UINT8 *)(*memregion("maincpu"));
UINT8 *cart = (UINT8 *)(*memregion("cart"));
UINT8 *ram = m_ram->pointer();
memset(ram, 0x00, m_ram->size());
m_bank1->configure_entries(0, 64, rom, 0x4000);
m_bank1->configure_entries(64,32, cart, 0x4000);
m_bank2->configure_entries(0, 64, rom, 0x4000);
m_bank2->configure_entries(64,32, cart, 0x4000);
m_bank3->configure_entries(0, 64, rom, 0x4000);
m_bank3->configure_entries(64,32, cart, 0x4000);
m_bank4->configure_entries(0, 4, ram, 0x2000);
m_bank5->configure_entries(0, 4, ram, 0x2000);
m_bank1->set_entry(0);
m_bank2->set_entry(0);
m_bank3->set_entry(0);
m_bank4->set_entry(0);
m_bank5->set_entry(0);
//pointer to the videoram
m_vram = ram;
}
PALETTE_INIT_MEMBER(prestige_state, prestige)
{
palette.set_pen_color(0, rgb_t(39, 108, 51));
palette.set_pen_color(1, rgb_t(16, 37, 84));
}
UINT32 prestige_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
UINT16 addr = 0;
for (int y = 0; y < 100; y++)
{
for (int sx = 0; sx < 30; sx++)
{
UINT8 data = m_vram[addr];
for (int x = 0; x < 8; x++)
{
bitmap.pix16(y, (sx * 8) + x) = BIT(data, 7);
data <<= 1;
}
addr++;
}
}
return 0;
}
TIMER_DEVICE_CALLBACK_MEMBER(prestige_state::irq_timer)
{
m_maincpu->set_input_line(0, ASSERT_LINE);
}
static MACHINE_CONFIG_START( prestige_base, prestige_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu",Z80, XTAL_4MHz)
MCFG_CPU_PROGRAM_MAP(prestige_mem)
MCFG_CPU_IO_MAP(prestige_io)
MCFG_CPU_IRQ_ACKNOWLEDGE_DRIVER(prestige_state,prestige_int_ack)
MCFG_TIMER_DRIVER_ADD_PERIODIC("irq_timer", prestige_state, irq_timer, attotime::from_msec(10))
/* video hardware */
MCFG_SCREEN_ADD("screen", LCD)
MCFG_SCREEN_REFRESH_RATE(50)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
MCFG_SCREEN_UPDATE_DRIVER(prestige_state, screen_update)
MCFG_SCREEN_SIZE( 240, 100 )
MCFG_SCREEN_VISIBLE_AREA( 0, 240-1, 0, 100-1 )
MCFG_SCREEN_PALETTE("palette")
MCFG_DEFAULT_LAYOUT( layout_lcd )
MCFG_PALETTE_ADD("palette", 2)
MCFG_PALETTE_INIT_OWNER(prestige_state, prestige)
/* cartridge */
MCFG_CARTSLOT_ADD("cart")
MCFG_CARTSLOT_EXTENSION_LIST("bin")
MCFG_CARTSLOT_INTERFACE("genius_cart")
/* internal ram */
MCFG_RAM_ADD(RAM_TAG)
MCFG_RAM_DEFAULT_SIZE("32K")
MCFG_RAM_EXTRA_OPTIONS("64K")
MACHINE_CONFIG_END
static MACHINE_CONFIG_DERIVED( prestige, prestige_base )
MCFG_SOFTWARE_LIST_COMPATIBLE_ADD("gl6000sl_cart", "gl6000sl")
MCFG_SOFTWARE_LIST_COMPATIBLE_ADD("misterx_cart", "misterx")
MCFG_SOFTWARE_LIST_COMPATIBLE_ADD("gl2000_cart", "gl2000")
MACHINE_CONFIG_END
static MACHINE_CONFIG_DERIVED( gl6000sl, prestige_base )
MCFG_SOFTWARE_LIST_ADD("cart_list", "gl6000sl")
MCFG_SOFTWARE_LIST_COMPATIBLE_ADD("misterx_cart", "misterx")
MCFG_SOFTWARE_LIST_COMPATIBLE_ADD("gl2000_cart", "gl2000")
MACHINE_CONFIG_END
static MACHINE_CONFIG_DERIVED( gl7007sl, prestige_base )
MCFG_SOFTWARE_LIST_COMPATIBLE_ADD("gl6000sl_cart", "gl6000sl")
MCFG_SOFTWARE_LIST_COMPATIBLE_ADD("gl2000_cart", "gl2000")
MCFG_SOFTWARE_LIST_COMPATIBLE_ADD("misterx_cart", "misterx")
MACHINE_CONFIG_END
/* ROM definition */
ROM_START( gl6000sl )
ROM_REGION(0x100000, "maincpu", 0)
ROM_LOAD( "27-5894-01", 0x000000, 0x080000, CRC(7336231c) SHA1(35a1f739994b5c8fb67a7f76d423e50d8154e9ea) )
ROM_REGION( 0x80000, "cart", ROMREGION_ERASEFF )
ROM_CART_LOAD( "cart", 0, 0x80000, 0 )
ROM_END
ROM_START( gl7007sl )
ROM_REGION(0x100000, "maincpu", 0)
ROM_LOAD( "27-6060-00", 0x000000, 0x100000, CRC(06b2a595) SHA1(654d00e55ee43627ff947d72676c8e48e0518123) )
ROM_REGION( 0x80000, "cart", ROMREGION_ERASEFF )
ROM_CART_LOAD( "cart", 0, 0x80000, 0 )
ROM_END
ROM_START( prestige )
ROM_REGION( 0x100000, "maincpu", 0 )
ROM_LOAD( "27-6020-02.u2", 0x00000, 0x100000, CRC(6bb6db14) SHA1(5d51fc3fd799e7f01ee99c453f9005fb07747b1e) )
ROM_REGION( 0x80000, "cart", ROMREGION_ERASEFF )
ROM_CART_LOAD( "cart", 0, 0x80000, 0 )
ROM_END
ROM_START( glcolor )
ROM_REGION( 0x100000, "maincpu", 0 )
ROM_LOAD( "27-5488-00.u5", 0x00000, 0x080000, CRC(e6cf7702) SHA1(ce40418a7777b331bf8c4c881d51732aeb384582) )
ROM_REGION( 0x80000, "cart", ROMREGION_ERASEFF )
ROM_CART_LOAD( "cart", 0, 0x80000, 0 )
ROM_END
/* Driver */
/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
COMP( 1994, glcolor, 0, 0, prestige, prestige, driver_device, 0, "VTech", "Genius Leader Color (Germany)", GAME_NOT_WORKING | GAME_NO_SOUND)
COMP( 1997, gl6000sl, 0, 0, gl6000sl, prestige, driver_device, 0, "VTech", "Genius Leader 6000SL (Germany)", GAME_NOT_WORKING | GAME_NO_SOUND)
COMP( 1998, gl7007sl, 0, 0, gl7007sl, prestige, driver_device, 0, "VTech", "Genius Leader 7007SL (Germany)", GAME_NOT_WORKING | GAME_NO_SOUND)
COMP( 1998, prestige, 0, 0, prestige, prestige, driver_device, 0, "VTech", "PreComputer Prestige Elite", GAME_NOT_WORKING | GAME_NO_SOUND)