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mame/src/mess/drivers/megadriv.c

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#include "emu.h"
#include "includes/megadriv.h"
#include "bus/megadrive/md_slot.h"
#include "bus/megadrive/md_carts.h"
#include "sound/sn76496.h"
#include "imagedev/chd_cd.h"
#include "imagedev/cartslot.h"
#include "formats/imageutl.h"
#include "includes/md_cons.h"
/*************************************
*
* Input handlers
*
*************************************/
/* These overwrite the MAME ones in DRIVER_INIT */
/* They're needed to give the users the choice between different controllers */
READ8_MEMBER(md_cons_state::mess_md_io_read_data_port)
{
int portnum = offset;
UINT8 retdata;
int controller;
UINT8 helper_6b = (m_megadrive_io_ctrl_regs[portnum] & 0x3f) | 0xc0; // bits 6 & 7 always come from megadrive_io_data_regs
UINT8 helper_3b = (m_megadrive_io_ctrl_regs[portnum] & 0x7f) | 0x80; // bit 7 always comes from megadrive_io_data_regs
switch (portnum)
{
case 0:
controller = (m_io_ctrlr->read() & 0x0f);
break;
case 1:
controller = (m_io_ctrlr->read() & 0xf0);
break;
default:
controller = 0;
break;
}
/* Are we using a 6 buttons Joypad? */
if (controller)
{
if (m_megadrive_io_data_regs[portnum] & 0x40)
{
if (m_io_stage[portnum] == 2)
{
/* here we read B, C & the additional buttons */
retdata = (m_megadrive_io_data_regs[portnum] & helper_6b) |
(((m_io_pad6b[0][portnum]->read_safe(0) & 0x30) |
(m_io_pad6b[1][portnum]->read_safe(0) & 0x0f)) & ~helper_6b);
}
else
{
/* here we read B, C & the directional buttons */
retdata = (m_megadrive_io_data_regs[portnum] & helper_6b) |
((m_io_pad6b[0][portnum]->read_safe(0) & 0x3f) & ~helper_6b);
}
}
else
{
if (m_io_stage[portnum] == 1)
{
/* here we read ((Start & A) >> 2) | 0x00 */
retdata = (m_megadrive_io_data_regs[portnum] & helper_6b) |
(((m_io_pad6b[0][portnum]->read_safe(0) & 0xc0) >> 2) & ~helper_6b);
}
else if (m_io_stage[portnum]==2)
{
/* here we read ((Start & A) >> 2) | 0x0f */
retdata = (m_megadrive_io_data_regs[portnum] & helper_6b) |
((((m_io_pad6b[0][portnum]->read_safe(0) & 0xc0) >> 2) | 0x0f) & ~helper_6b);
}
else
{
/* here we read ((Start & A) >> 2) | Up and Down */
retdata = (m_megadrive_io_data_regs[portnum] & helper_6b) |
((((m_io_pad6b[0][portnum]->read_safe(0) & 0xc0) >> 2) |
(m_io_pad6b[0][portnum]->read_safe(0) & 0x03)) & ~helper_6b);
}
}
// mame_printf_debug("read io data port stage %d port %d %02x\n",mess_io_stage[portnum],portnum,retdata);
retdata |= (retdata << 8);
}
/* Otherwise it's a 3 buttons Joypad */
else
{
UINT8 svp_test = 0;
if (m_slotcart)
svp_test = m_slotcart->read_test();
// handle test input for SVP test
if (portnum == 0 && svp_test)
{
retdata = (m_megadrive_io_data_regs[0] & 0xc0);
}
else if (m_megadrive_io_data_regs[portnum] & 0x40)
{
/* here we read B, C & the directional buttons */
retdata = (m_megadrive_io_data_regs[portnum] & helper_3b) |
(((m_io_pad3b[portnum]->read_safe(0) & 0x3f) | 0x40) & ~helper_3b);
}
else
{
/* here we read ((Start & A) >> 2) | Up and Down */
retdata = (m_megadrive_io_data_regs[portnum] & helper_3b) |
((((m_io_pad3b[portnum]->read_safe(0) & 0xc0) >> 2) |
(m_io_pad3b[portnum]->read_safe(0) & 0x03) | 0x40) & ~helper_3b);
}
}
return retdata;
}
WRITE16_MEMBER(md_cons_state::mess_md_io_write_data_port)
{
int portnum = offset;
int controller;
switch (portnum)
{
case 0:
controller = (m_io_ctrlr->read() & 0x0f);
break;
case 1:
controller = (m_io_ctrlr->read() & 0xf0);
break;
default:
controller = 0;
break;
}
if (controller)
{
if (m_megadrive_io_ctrl_regs[portnum] & 0x40)
{
if (((m_megadrive_io_data_regs[portnum] & 0x40) == 0x00) && ((data & 0x40) == 0x40))
{
m_io_stage[portnum]++;
m_io_timeout[portnum]->adjust(m_maincpu->cycles_to_attotime(8192));
}
}
}
m_megadrive_io_data_regs[portnum] = data;
//mame_printf_debug("Writing IO Data Register #%d data %04x\n",portnum,data);
}
/*************************************
*
* Input ports
*
*************************************/
static INPUT_PORTS_START( md )
PORT_START("CTRLSEL") /* Controller selection */
PORT_CONFNAME( 0x0f, 0x00, "Player 1 Controller" )
PORT_CONFSETTING( 0x00, "Joystick 3 Buttons" )
PORT_CONFSETTING( 0x01, "Joystick 6 Buttons" )
// PORT_CONFSETTING( 0x02, "Sega Mouse" )
/* there exists both a 2 buttons version of the Mouse (Jpn ver, to be used with RPGs, it
can aslo be used as trackball) and a 3 buttons version (US ver, no trackball feats.) */
// PORT_CONFSETTING( 0x03, "Sega Menacer" )
// PORT_CONFSETTING( 0x04, "Konami Justifier" )
// PORT_CONFSETTING( 0x05, "Team Player (Sega Multitap)" )
// PORT_CONFSETTING( 0x06, "4-Play (EA Multitap)" )
// PORT_CONFSETTING( 0x07, "J-Cart" )
PORT_CONFNAME( 0xf0, 0x00, "Player 2 Controller" )
PORT_CONFSETTING( 0x00, "Joystick 3 Buttons" )
PORT_CONFSETTING( 0x10, "Joystick 6 Buttons" )
PORT_START("PAD1_3B") /* Joypad 1 (3 button + start) NOT READ DIRECTLY */
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1) PORT_CONDITION("CTRLSEL", 0x0f, EQUALS, 0x00)
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1) PORT_CONDITION("CTRLSEL", 0x0f, EQUALS, 0x00)
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1) PORT_CONDITION("CTRLSEL", 0x0f, EQUALS, 0x00)
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1) PORT_CONDITION("CTRLSEL", 0x0f, EQUALS, 0x00)
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_NAME("P1 B") PORT_CONDITION("CTRLSEL", 0x0f, EQUALS, 0x00)
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1) PORT_NAME("P1 C") PORT_CONDITION("CTRLSEL", 0x0f, EQUALS, 0x00)
PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_NAME("P1 A") PORT_CONDITION("CTRLSEL", 0x0f, EQUALS, 0x00)
PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_START ) PORT_PLAYER(1) PORT_CONDITION("CTRLSEL", 0x0f, EQUALS, 0x00)
PORT_START("PAD2_3B") /* Joypad 2 (3 button + start) NOT READ DIRECTLY */
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2) PORT_CONDITION("CTRLSEL", 0xf0, EQUALS, 0x00)
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2) PORT_CONDITION("CTRLSEL", 0xf0, EQUALS, 0x00)
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2) PORT_CONDITION("CTRLSEL", 0xf0, EQUALS, 0x00)
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2) PORT_CONDITION("CTRLSEL", 0xf0, EQUALS, 0x00)
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_NAME("P2 B") PORT_CONDITION("CTRLSEL", 0xf0, EQUALS, 0x00)
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2) PORT_NAME("P2 C") PORT_CONDITION("CTRLSEL", 0xf0, EQUALS, 0x00)
PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_NAME("P2 A") PORT_CONDITION("CTRLSEL", 0xf0, EQUALS, 0x00)
PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_START ) PORT_PLAYER(2) PORT_CONDITION("CTRLSEL", 0xf0, EQUALS, 0x00)
PORT_START("PAD1_6B") /* Joypad 1 (6 button + start + mode) NOT READ DIRECTLY */
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1) PORT_CONDITION("CTRLSEL", 0x0f, EQUALS, 0x01)
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1) PORT_CONDITION("CTRLSEL", 0x0f, EQUALS, 0x01)
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1) PORT_CONDITION("CTRLSEL", 0x0f, EQUALS, 0x01)
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1) PORT_CONDITION("CTRLSEL", 0x0f, EQUALS, 0x01)
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_NAME("P1 B") PORT_CONDITION("CTRLSEL", 0x0f, EQUALS, 0x01)
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1) PORT_NAME("P1 C") PORT_CONDITION("CTRLSEL", 0x0f, EQUALS, 0x01)
PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_NAME("P1 A") PORT_CONDITION("CTRLSEL", 0x0f, EQUALS, 0x01)
PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_START ) PORT_PLAYER(1) PORT_CONDITION("CTRLSEL", 0x0f, EQUALS, 0x01)
PORT_START("EXTRA1") /* Extra buttons for Joypad 1 (6 button + start + mode) NOT READ DIRECTLY */
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_PLAYER(1) PORT_NAME("P1 Z") PORT_CONDITION("CTRLSEL", 0x0f, EQUALS, 0x01)
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(1) PORT_NAME("P1 Y") PORT_CONDITION("CTRLSEL", 0x0f, EQUALS, 0x01)
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(1) PORT_NAME("P1 X") PORT_CONDITION("CTRLSEL", 0x0f, EQUALS, 0x01)
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_BUTTON7 ) PORT_PLAYER(1) PORT_NAME("P1 Mode") PORT_CONDITION("CTRLSEL", 0x0f, EQUALS, 0x01)
PORT_START("PAD2_6B") /* Joypad 2 (6 button + start + mode) NOT READ DIRECTLY */
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2) PORT_CONDITION("CTRLSEL", 0xf0, EQUALS, 0x10)
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2) PORT_CONDITION("CTRLSEL", 0xf0, EQUALS, 0x10)
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2) PORT_CONDITION("CTRLSEL", 0xf0, EQUALS, 0x10)
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2) PORT_CONDITION("CTRLSEL", 0xf0, EQUALS, 0x10)
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_NAME("P2 B") PORT_CONDITION("CTRLSEL", 0xf0, EQUALS, 0x10)
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2) PORT_NAME("P2 C") PORT_CONDITION("CTRLSEL", 0xf0, EQUALS, 0x10)
PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_NAME("P2 A") PORT_CONDITION("CTRLSEL", 0xf0, EQUALS, 0x10)
PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_START ) PORT_PLAYER(2) PORT_CONDITION("CTRLSEL", 0xf0, EQUALS, 0x10)
PORT_START("EXTRA2") /* Extra buttons for Joypad 2 (6 button + start + mode) NOT READ DIRECTLY */
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_PLAYER(2) PORT_NAME("P2 Z") PORT_CONDITION("CTRLSEL", 0xf0, EQUALS, 0x10)
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(2) PORT_NAME("P2 Y") PORT_CONDITION("CTRLSEL", 0xf0, EQUALS, 0x10)
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(2) PORT_NAME("P2 X") PORT_CONDITION("CTRLSEL", 0xf0, EQUALS, 0x10)
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_BUTTON7 ) PORT_PLAYER(2) PORT_NAME("P2 Mode") PORT_CONDITION("CTRLSEL", 0xf0, EQUALS, 0x10)
PORT_START("RESET") /* Buttons on Genesis Console */
PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_SERVICE1 ) PORT_NAME("Reset Button") PORT_IMPULSE(1) // reset, resets 68k (and..?)
INPUT_PORTS_END
/*************************************
*
* Machine driver
*
*************************************/
UINT16 vdp_get_word_from_68k_mem_console(running_machine &machine, UINT32 source, address_space & space68k)
{
md_cons_state *state = machine.driver_data<md_cons_state>();
if (source <= 0x3fffff)
{
if (state->m_slotcart->get_type() == SEGA_SVP)
{
source -= 2; // the SVP introduces some kind of DMA 'lag', which we have to compensate for, this is obvious even on gfx DMAd from ROM (the Speedometer)
}
return space68k.read_word(source);
}
else if ((source >= 0xe00000) && (source <= 0xffffff))
return space68k.read_word(source);
else
{
printf("DMA Read unmapped %06x\n",source);
return machine.rand();
}
}
MACHINE_START_MEMBER(md_cons_state, md_common)
{
static const char *const pad6names[2][4] = {
{ "PAD1_6B", "PAD2_6B", "UNUSED", "UNUSED" },
{ "EXTRA1", "EXTRA2", "UNUSED", "UNUSED" }
};
static const char *const pad3names[4] = { "PAD1_3B", "PAD2_3B", "UNUSED", "UNUSED" };
m_io_ctrlr = ioport("CTRLSEL");
for (int i = 0; i < 4; i++)
{
m_io_pad3b[i] = ioport(pad3names[i]);
m_io_pad6b[0][i] = ioport(pad6names[0][i]);
m_io_pad6b[1][i] = ioport(pad6names[1][i]);
}
// setup timers for 6 button pads
for (int i = 0; i < 3; i++)
m_io_timeout[i] = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(md_base_state::io_timeout_timer_callback),this), (void*)(FPTR)i);
}
MACHINE_START_MEMBER(md_cons_state, ms_megadriv)
{
MACHINE_START_CALL_MEMBER( md_common );
vdp_get_word_from_68k_mem = vdp_get_word_from_68k_mem_console;
// for now m_cartslot is only in MD and not 32x and SegaCD
m_maincpu->space(AS_PROGRAM).install_readwrite_handler(0x000000, 0x7fffff, read16_delegate(FUNC(base_md_cart_slot_device::read),(base_md_cart_slot_device*)m_slotcart), write16_delegate(FUNC(base_md_cart_slot_device::write),(base_md_cart_slot_device*)m_slotcart));
m_maincpu->space(AS_PROGRAM).install_readwrite_handler(0xa13000, 0xa130ff, read16_delegate(FUNC(base_md_cart_slot_device::read_a13),(base_md_cart_slot_device*)m_slotcart), write16_delegate(FUNC(base_md_cart_slot_device::write_a13),(base_md_cart_slot_device*)m_slotcart));
m_maincpu->space(AS_PROGRAM).install_readwrite_handler(0xa15000, 0xa150ff, read16_delegate(FUNC(base_md_cart_slot_device::read_a15),(base_md_cart_slot_device*)m_slotcart), write16_delegate(FUNC(base_md_cart_slot_device::write_a15),(base_md_cart_slot_device*)m_slotcart));
m_maincpu->space(AS_PROGRAM).install_write_handler(0xa14000, 0xa14003, write16_delegate(FUNC(base_md_cart_slot_device::write_tmss_bank),(base_md_cart_slot_device*)m_slotcart));
}
MACHINE_RESET_MEMBER(md_cons_state,ms_megadriv )
{
m_maincpu->reset();
MACHINE_RESET_CALL_MEMBER( megadriv );
}
static MACHINE_CONFIG_START( ms_megadriv, md_cons_state )
MCFG_FRAGMENT_ADD( md_ntsc )
MCFG_MACHINE_START_OVERRIDE( md_cons_state, ms_megadriv )
MCFG_MACHINE_RESET_OVERRIDE( md_cons_state, ms_megadriv )
MCFG_MD_CARTRIDGE_ADD("mdslot", md_cart, NULL)
MCFG_SOFTWARE_LIST_ADD("cart_list","megadriv")
MACHINE_CONFIG_END
static MACHINE_CONFIG_START( ms_megadpal, md_cons_state )
MCFG_FRAGMENT_ADD( md_pal )
MCFG_MACHINE_START_OVERRIDE( md_cons_state, ms_megadriv )
MCFG_MACHINE_RESET_OVERRIDE( md_cons_state, ms_megadriv )
MCFG_MD_CARTRIDGE_ADD("mdslot", md_cart, NULL)
MCFG_SOFTWARE_LIST_ADD("cart_list","megadriv")
MACHINE_CONFIG_END
/*************************************
*
* ROM definition(s)
*
*************************************/
/* we don't use the bios rom (it's not needed and only provides security on early models) */
ROM_START(genesis)
ROM_REGION(MD_CPU_REGION_SIZE, "maincpu", ROMREGION_ERASEFF)
ROM_REGION( 0x10000, "soundcpu", ROMREGION_ERASEFF)
ROM_END
ROM_START(megadriv)
ROM_REGION(MD_CPU_REGION_SIZE, "maincpu", ROMREGION_ERASEFF)
ROM_REGION( 0x10000, "soundcpu", ROMREGION_ERASEFF)
ROM_END
ROM_START(megadrij)
ROM_REGION(MD_CPU_REGION_SIZE, "maincpu", ROMREGION_ERASEFF)
ROM_REGION( 0x10000, "soundcpu", ROMREGION_ERASEFF)
ROM_END
/*************************************
*
* Driver initialization
*
*************************************/
DRIVER_INIT_MEMBER(md_cons_state,mess_md_common)
{
m_megadrive_io_read_data_port_ptr = read8_delegate(FUNC(md_cons_state::mess_md_io_read_data_port),this);
m_megadrive_io_write_data_port_ptr = write16_delegate(FUNC(md_cons_state::mess_md_io_write_data_port),this);
}
DRIVER_INIT_MEMBER(md_cons_state,genesis)
{
DRIVER_INIT_CALL(megadriv);
DRIVER_INIT_CALL(mess_md_common);
}
DRIVER_INIT_MEMBER(md_cons_state,md_eur)
{
DRIVER_INIT_CALL(megadrie);
DRIVER_INIT_CALL(mess_md_common);
}
DRIVER_INIT_MEMBER(md_cons_state,md_jpn)
{
DRIVER_INIT_CALL(megadrij);
DRIVER_INIT_CALL(mess_md_common);
}
/****************************************** 32X emulation ****************************************/
// FIXME: non-softlist loading should keep using ROM_CART_LOAD in the ROM definitions,
// once we better integrate softlist with the old loading procedures
DEVICE_IMAGE_LOAD_MEMBER( md_base_state, _32x_cart )
{
UINT32 length;
UINT8 *temp_copy;
UINT16 *ROM16;
UINT32 *ROM32;
int i;
if (image.software_entry() == NULL)
{
length = image.length();
temp_copy = auto_alloc_array(machine(), UINT8, length);
image.fread(temp_copy, length);
}
else
{
length = image.get_software_region_length("rom");
temp_copy = auto_alloc_array(machine(), UINT8, length);
memcpy(temp_copy, image.get_software_region("rom"), length);
}
/* Copy the cart image in the locations the driver expects */
// Notice that, by using pick_integer, we are sure the code works on both LE and BE machines
ROM16 = (UINT16 *) memregion("gamecart")->base();
for (i = 0; i < length; i += 2)
ROM16[i / 2] = pick_integer_be(temp_copy, i, 2);
ROM32 = (UINT32 *) memregion("gamecart_sh2")->base();
for (i = 0; i < length; i += 4)
ROM32[i / 4] = pick_integer_be(temp_copy, i, 4);
ROM16 = (UINT16 *) memregion("maincpu")->base();
for (i = 0x00; i < length; i += 2)
ROM16[i / 2] = pick_integer_be(temp_copy, i, 2);
auto_free(machine(), temp_copy);
return IMAGE_INIT_PASS;
}
static MACHINE_CONFIG_START( genesis_32x, md_cons_state )
MCFG_FRAGMENT_ADD( md_ntsc )
MCFG_MACHINE_START_OVERRIDE( md_cons_state, md_common )
MCFG_MACHINE_RESET_OVERRIDE( md_cons_state, ms_megadriv )
MCFG_DEVICE_ADD("sega32x", SEGA_32X_NTSC, 0)
MCFG_SEGA_32X_PALETTE("gen_vdp:palette")
// we need to remove and re-add the sound system because the balance is different
// due to MAME / MESS having severe issues if the dac output is > 0.40? (sound is corrupted even if DAC is slient?!)
MCFG_DEVICE_REMOVE("ymsnd")
MCFG_DEVICE_REMOVE("snsnd")
MCFG_SOUND_ADD("ymsnd", YM2612, MASTER_CLOCK_NTSC/7)
MCFG_SOUND_ROUTE(0, "lspeaker", (0.50)/2)
MCFG_SOUND_ROUTE(1, "rspeaker", (0.50)/2)
/* sound hardware */
MCFG_SOUND_ADD("snsnd", SEGAPSG, MASTER_CLOCK_NTSC/15)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", (0.25)/2)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", (0.25)/2)
MCFG_CARTSLOT_ADD("cart")
MCFG_CARTSLOT_EXTENSION_LIST("32x,bin")
MCFG_CARTSLOT_MANDATORY
MCFG_CARTSLOT_INTERFACE("_32x_cart")
MCFG_CARTSLOT_LOAD(md_base_state, _32x_cart)
MCFG_SOFTWARE_LIST_ADD("cart_list","32x")
MCFG_SOFTWARE_LIST_FILTER("cart_list","NTSC-U")
MACHINE_CONFIG_END
static MACHINE_CONFIG_START( mdj_32x, md_cons_state )
MCFG_FRAGMENT_ADD( md_ntsc )
MCFG_MACHINE_START_OVERRIDE( md_cons_state, md_common )
MCFG_MACHINE_RESET_OVERRIDE( md_cons_state, ms_megadriv )
MCFG_DEVICE_ADD("sega32x", SEGA_32X_NTSC, 0)
MCFG_SEGA_32X_PALETTE("gen_vdp:palette")
// we need to remove and re-add the sound system because the balance is different
// due to MAME / MESS having severe issues if the dac output is > 0.40? (sound is corrupted even if DAC is slient?!)
MCFG_DEVICE_REMOVE("ymsnd")
MCFG_DEVICE_REMOVE("snsnd")
MCFG_SOUND_ADD("ymsnd", YM2612, MASTER_CLOCK_NTSC/7)
MCFG_SOUND_ROUTE(0, "lspeaker", (0.50)/2)
MCFG_SOUND_ROUTE(1, "rspeaker", (0.50)/2)
/* sound hardware */
MCFG_SOUND_ADD("snsnd", SEGAPSG, MASTER_CLOCK_NTSC/15)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", (0.25)/2)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", (0.25)/2)
MCFG_CARTSLOT_ADD("cart")
MCFG_CARTSLOT_EXTENSION_LIST("32x,bin")
MCFG_CARTSLOT_MANDATORY
MCFG_CARTSLOT_INTERFACE("_32x_cart")
MCFG_CARTSLOT_LOAD(md_base_state, _32x_cart)
MCFG_SOFTWARE_LIST_ADD("cart_list","32x")
MCFG_SOFTWARE_LIST_FILTER("cart_list","NTSC-J")
MACHINE_CONFIG_END
static MACHINE_CONFIG_START( md_32x, md_cons_state )
MCFG_FRAGMENT_ADD( md_pal )
MCFG_MACHINE_START_OVERRIDE( md_cons_state, md_common )
MCFG_MACHINE_RESET_OVERRIDE( md_cons_state, ms_megadriv )
MCFG_DEVICE_ADD("sega32x", SEGA_32X_PAL, 0)
MCFG_SEGA_32X_PALETTE("gen_vdp:palette")
// we need to remove and re-add the sound system because the balance is different
// due to MAME / MESS having severe issues if the dac output is > 0.40? (sound is corrupted even if DAC is slient?!)
MCFG_DEVICE_REMOVE("ymsnd")
MCFG_DEVICE_REMOVE("snsnd")
MCFG_SOUND_ADD("ymsnd", YM2612, MASTER_CLOCK_NTSC/7)
MCFG_SOUND_ROUTE(0, "lspeaker", (0.50)/2)
MCFG_SOUND_ROUTE(1, "rspeaker", (0.50)/2)
/* sound hardware */
MCFG_SOUND_ADD("snsnd", SEGAPSG, MASTER_CLOCK_NTSC/15)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", (0.25)/2)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", (0.25)/2)
MCFG_CARTSLOT_ADD("cart")
MCFG_CARTSLOT_EXTENSION_LIST("32x,bin")
MCFG_CARTSLOT_MANDATORY
MCFG_CARTSLOT_INTERFACE("_32x_cart")
MCFG_CARTSLOT_LOAD(md_base_state, _32x_cart)
MCFG_SOFTWARE_LIST_ADD("cart_list","32x")
MCFG_SOFTWARE_LIST_FILTER("cart_list","PAL")
MACHINE_CONFIG_END
#define _32X_ROMS \
ROM_REGION16_BE( 0x400000, "gamecart", ROMREGION_ERASE00 ) /* 68000 Code */ \
ROM_REGION32_BE( 0x400000, "gamecart_sh2", ROMREGION_ERASE00 ) /* Copy for the SH2 */ \
ROM_REGION16_BE( 0x400000, "32x_68k_bios", 0 ) /* 68000 Code */ \
ROM_LOAD( "32x_g_bios.bin", 0x000000, 0x000100, CRC(5c12eae8) SHA1(dbebd76a448447cb6e524ac3cb0fd19fc065d944) ) \
ROM_REGION16_BE( 0x400000, "maincpu", ROMREGION_ERASE00 ) \
/* temp, rom should only be visible here when one of the regs is set, tempo needs it */ \
/* ROM_CART_LOAD("cart", 0x000000, 0x400000, ROM_NOMIRROR) */ \
ROM_COPY( "32x_68k_bios", 0x0, 0x0, 0x100) \
ROM_REGION32_BE( 0x400000, "master", 0 ) /* SH2 Code */ \
ROM_SYSTEM_BIOS( 0, "retail", "Mars Version 1.0 (retail)" ) \
ROMX_LOAD( "32x_m_bios.bin", 0x000000, 0x000800, CRC(dd9c46b8) SHA1(1e5b0b2441a4979b6966d942b20cc76c413b8c5e), ROM_BIOS(1) ) \
ROM_SYSTEM_BIOS( 1, "sdk", "Mars Version 1.0 (early sdk)" ) \
ROMX_LOAD( "32x_m_bios_sdk.bin", 0x000000, 0x000800, BAD_DUMP CRC(c7102c53) SHA1(ed73a47f186b373b8eff765f84ef26c3d9ef6cb0), ROM_BIOS(2) ) \
ROM_REGION32_BE( 0x400000, "slave", 0 ) /* SH2 Code */ \
ROM_LOAD( "32x_s_bios.bin", 0x000000, 0x000400, CRC(bfda1fe5) SHA1(4103668c1bbd66c5e24558e73d4f3f92061a109a) )
ROM_START( 32x )
_32X_ROMS
ROM_END
ROM_START( 32xe )
_32X_ROMS
ROM_END
ROM_START( 32xj )
_32X_ROMS
ROM_END
/****************************************** SegaCD emulation ****************************************/
struct cdrom_interface scd_cdrom =
{
"scd_cdrom",
NULL
};
static MACHINE_CONFIG_START( genesis_scd, md_cons_state )
MCFG_FRAGMENT_ADD( md_ntsc )
MCFG_MACHINE_START_OVERRIDE( md_cons_state, md_common )
MCFG_MACHINE_RESET_OVERRIDE( md_cons_state, ms_megadriv )
MCFG_DEVICE_ADD("segacd", SEGA_SEGACD_US, 0)
MCFG_CDROM_ADD( "cdrom",scd_cdrom )
MCFG_SOFTWARE_LIST_ADD("cd_list","segacd")
MACHINE_CONFIG_END
static MACHINE_CONFIG_START( md_scd, md_cons_state )
MCFG_FRAGMENT_ADD( md_pal )
MCFG_MACHINE_START_OVERRIDE( md_cons_state, md_common )
MCFG_MACHINE_RESET_OVERRIDE( md_cons_state, ms_megadriv )
MCFG_DEVICE_ADD("segacd", SEGA_SEGACD_EUROPE, 0)
MCFG_CDROM_ADD( "cdrom",scd_cdrom )
MCFG_SOFTWARE_LIST_ADD("cd_list","megacd")
MACHINE_CONFIG_END
static MACHINE_CONFIG_START( mdj_scd, md_cons_state )
MCFG_FRAGMENT_ADD( md_ntsc )
MCFG_MACHINE_START_OVERRIDE( md_cons_state, md_common )
MCFG_MACHINE_RESET_OVERRIDE( md_cons_state, ms_megadriv )
MCFG_DEVICE_ADD("segacd", SEGA_SEGACD_JAPAN, 0)
MCFG_CDROM_ADD( "cdrom",scd_cdrom )
MCFG_SOFTWARE_LIST_ADD("cd_list","megacdj")
MACHINE_CONFIG_END
static MACHINE_CONFIG_DERIVED( genesis_32x_scd, genesis_32x )
MCFG_DEVICE_ADD("segacd", SEGA_SEGACD_US, 0)
//MCFG_QUANTUM_PERFECT_CPU("32x_master_sh2")
MACHINE_CONFIG_END
/* We need proper names for most of these BIOS ROMs! */
ROM_START( segacd )
ROM_REGION16_BE( 0x400000, "maincpu", ROMREGION_ERASE00 )
/* v1.10 confirmed dump by dead_screem */
ROM_LOAD( "mpr-15045b.bin", 0x000000, 0x020000, CRC(c6d10268) SHA1(f4f315adcef9b8feb0364c21ab7f0eaf5457f3ed) )
ROM_END
ROM_START( megacd )
ROM_REGION16_BE( 0x400000, "maincpu", ROMREGION_ERASE00 )
/* v1.00, confirmed good dump */
ROM_LOAD( "megacd_model1_bios_1_00_e.bin", 0x000000, 0x020000, CRC(529ac15a) SHA1(f891e0ea651e2232af0c5c4cb46a0cae2ee8f356) )
ROM_END
ROM_START( megacdj )
ROM_REGION16_BE( 0x400000, "maincpu", ROMREGION_ERASE00 )
/* Confirmed by ElBarto */
ROM_SYSTEM_BIOS(0, "v100s", "v1.00S")
ROMX_LOAD( "mpr-14088h.bin", 0x000000, 0x020000, CRC(3773d5aa) SHA1(bbf729a1aaa1667b783749299e1ad932aaf5f253), ROM_BIOS(1) | ROM_GROUPWORD | ROM_REVERSE)
/* Confirmed by ElBarto */
ROM_SYSTEM_BIOS(1, "v100g", "v1.00g")
ROMX_LOAD( "epr-14088b.bin", 0x000000, 0x020000, CRC(69ed6ccd) SHA1(27d11c3836506f01ee81cd142c0cd8b51abebbd2), ROM_BIOS(2) | ROM_GROUPWORD | ROM_REVERSE)
/* Confirmed by ElBarto */
ROM_SYSTEM_BIOS(2, "v100l", "v1.00L")
ROMX_LOAD( "mpr-14088c.bin", 0x000000, 0x020000, CRC(03134289) SHA1(d60cb5a53f26d6b13e354bc149217587f2301718), ROM_BIOS(3) | ROM_GROUPWORD | ROM_REVERSE)
/* Confirmed by ElBarto */
ROM_SYSTEM_BIOS(3, "v100o", "v1.00o")
ROMX_LOAD( "epr-14088d.bin", 0x000000, 0x020000, CRC(dfa95ee9) SHA1(e13666c76fa0a2e94e2f651b26b0fd625bf55f07), ROM_BIOS(4) | ROM_GROUPWORD | ROM_REVERSE)
ROM_SYSTEM_BIOS(4, "v100p", "v1.00P")
ROMX_LOAD( "megacd_model1_bios_1_00p_j.bin", 0x000000, 0x020000, CRC(9d2da8f2) SHA1(4846f448160059a7da0215a5df12ca160f26dd69), ROM_BIOS(5) )
ROM_END
/* Asia bios, when run in USA region will show :
ERROR!
THIS IS A PAL-COMPATIBLE MEGA CD
FOR EXCLUSIVE USE IN SOUTHEAST ASIA.
Confirmed by Jakovasaur
*/
ROM_START( megacda )
ROM_REGION16_BE( 0x400000, "maincpu", ROMREGION_ERASE00 )
ROM_LOAD( "epr-14536h.bin", 0x000000, 0x020000, CRC(550f30bb) SHA1(e4193c6ae44c3cea002707d2a88f1fbcced664de))
ROM_END
ROM_START( segacd2 )
ROM_REGION16_BE( 0x400000, "maincpu", ROMREGION_ERASE00 )
ROM_SYSTEM_BIOS(0, "v211x", "Model 2 v2.11X")
ROMX_LOAD( "mpr-15764-t.bin", 0x000000, 0x020000, CRC(2e49d72c) SHA1(328a3228c29fba244b9db2055adc1ec4f7a87e6b), ROM_BIOS(1) )
ROM_SYSTEM_BIOS(1, "v200", "Model 2 v2.00") /* verified dump */
ROMX_LOAD( "us_scd2_930314.bin", 0x000000, 0x020000, CRC(8af65f58) SHA1(5a8c4b91d3034c1448aac4b5dc9a6484fce51636), ROM_BIOS(2) )
/* this is reportedly a bad dump, it has many differences from the verified dump and does not boot in Kega */
/* ROMX_LOAD( "segacd_model2_bios_2_00_u.bin", 0x000000, 0x020000, CRC(340b4be4) SHA1(bd3ee0c8ab732468748bf98953603ce772612704), ROM_BIOS(2) ) */
ROM_SYSTEM_BIOS(2, "v200w", "Model 2 v2.00W")
ROMX_LOAD( "segacd_model2_bios_2_00w_u.bin", 0x000000, 0x020000, CRC(9f6f6276) SHA1(5adb6c3af218c60868e6b723ec47e36bbdf5e6f0), ROM_BIOS(3) )
ROM_END
/* All confirmed good dump by ElBarto */
ROM_START( megacd2 )
ROM_REGION16_BE( 0x400000, "maincpu", ROMREGION_ERASE00 )
ROM_SYSTEM_BIOS(0, "v200w", "v2.00W")
ROMX_LOAD( "mpr-15512a.bin", 0x000000, 0x020000, CRC(53f1757c) SHA1(67bf3970ca5a05fd5ce3d6c446789c5d971b98a4), ROM_BIOS(1) | ROM_GROUPWORD | ROM_REVERSE )
ROM_SYSTEM_BIOS(1, "v200", "v2.00")
ROMX_LOAD( "mpr-15512.bin", 0x000000, 0x020000, CRC(cb76f114) SHA1(939f173cadc41e996a3c34498da1bf55e7e18ff8), ROM_BIOS(2) | ROM_GROUPWORD | ROM_REVERSE )
ROM_END
/* Confirmed good dump by ElBarto */
ROM_START( megacd2j )
ROM_REGION16_BE( 0x400000, "maincpu", ROMREGION_ERASE00 )
ROM_SYSTEM_BIOS(0, "v200c", "v2.00C")
ROMX_LOAD( "mpr-15398.bin", 0x000000, 0x020000, CRC(1e4344e6) SHA1(4d1251a6973d932e734ae5e8c6b9b55eb40e4143), ROM_BIOS(1) | ROM_GROUPWORD | ROM_REVERSE )
ROM_END
ROM_START( aiwamcd )
ROM_REGION16_BE( 0x400000, "maincpu", ROMREGION_ERASE00 )
/* v2.11 */
ROM_LOAD( "mpr-15768-t.bin", 0x000000, 0x020000, CRC(8052c7a0) SHA1(219d284dcf63ce366a4dc6d1ff767a0d2eea283d) )
ROM_END
ROM_START( laseract )
ROM_REGION16_BE( 0x400000, "maincpu", ROMREGION_ERASE00 )
ROM_SYSTEM_BIOS(0, "v104", "v1.04")
ROMX_LOAD( "laseractive_bios_1_04_u.bin", 0x000000, 0x020000, CRC(50cd3d23) SHA1(aa811861f8874775075bd3f53008c8aaf59b07db), ROM_BIOS(1) )
ROM_SYSTEM_BIOS(1, "v102", "v1.02")
ROMX_LOAD( "laseractive_bios_1_02_u.bin", 0x000000, 0x020000, CRC(3b10cf41) SHA1(8af162223bb12fc19b414f126022910372790103), ROM_BIOS(2) )
ROM_END
ROM_START( laseractj )
ROM_REGION16_BE( 0x400000, "maincpu", ROMREGION_ERASE00 )
ROM_SYSTEM_BIOS(0, "v105", "v1.05")
ROMX_LOAD( "mega-ld 1.05 bios.bin", 0x000000, 0x020000, CRC(474aaa44) SHA1(b3b1d880e288b6dc79eec0ff1b0480c229ec141d), ROM_BIOS(1) )
ROM_SYSTEM_BIOS(1, "v102", "v1.02")
ROMX_LOAD( "laseractive_bios_1_02_j.bin", 0x000000, 0x020000, CRC(00eedb3a) SHA1(26237b333db4a4c6770297fa5e655ea95840d5d9), ROM_BIOS(2) )
ROM_END
ROM_START( xeye )
ROM_REGION16_BE( 0x400000, "maincpu", ROMREGION_ERASE00 )
/* v2.00 (US), confirmed good with a chip dump */
ROM_LOAD( "g304.bin", 0x000000, 0x020000, CRC(290f8e33) SHA1(651f14d5a5e0ecb974a60c0f43b1d2006323fb09) )
ROM_END
ROM_START( wmega )
ROM_REGION16_BE( 0x400000, "maincpu", ROMREGION_ERASE00 )
/* v1.00 (Japan NTSC) Sega BIOS, chip-dumped */
ROM_LOAD( "g301.bin", 0x000000, 0x020000, CRC(d21fe71d) SHA1(3fc9358072f74bd24e3e297ea11b2bf15a7af891) )
ROM_END
ROM_START( wmegam2 )
ROM_REGION16_BE( 0x400000, "maincpu", ROMREGION_ERASE00 )
/* v2.00 */
ROM_LOAD( "wondermega_m2_bios_2_00_j.bin", 0x000000, 0x020000, CRC(2b19972f) SHA1(b3f32e409bd5508c89ed8be33d41a58d791d0e5d) )
ROM_END
ROM_START( cdx )
ROM_REGION16_BE( 0x400000, "maincpu", ROMREGION_ERASE00 )
/* v2.21X */
ROM_LOAD( "segacdx_bios_2_21_u.bin", 0x000000, 0x020000, CRC(d48c44b5) SHA1(2b125c0545afa089b617f2558e686ea723bdc06e) )
ROM_END
ROM_START( multmega )
ROM_REGION16_BE( 0x400000, "maincpu", ROMREGION_ERASE00 )
/* v2.21X */
ROM_LOAD( "opr-16140.bin", 0x000000, 0x020000, CRC(aacb851e) SHA1(75548ac9aaa6e81224499f9a1403b2b42433f5b7) )
/* the below was marked "confirmed good dump", but 0x72 and 0x73 are 0xFF, indicating a bad dump made from memory */
/* ROM_LOAD( "multimega_bios_2_21_e.bin", 0x000000, 0x020000, CRC(34d3cce1) SHA1(73fc9c014ad803e9e7d8076b3642a8a5224b3e51) ) */
ROM_END
/* some games use the 32x and SegaCD together to give better quality FMV */
ROM_START( 32x_scd )
ROM_REGION16_BE( 0x400000, "maincpu", ROMREGION_ERASE00 )
ROM_REGION16_BE( 0x400000, "gamecart", 0 ) /* 68000 Code */
ROM_LOAD( "mpr-15764-t.bin", 0x000000, 0x020000, CRC(2e49d72c) SHA1(328a3228c29fba244b9db2055adc1ec4f7a87e6b) )
ROM_REGION32_BE( 0x400000, "gamecart_sh2", 0 ) /* Copy for the SH2 */
ROM_COPY( "gamecart", 0x0, 0x0, 0x400000)
ROM_REGION16_BE( 0x400000, "32x_68k_bios", 0 ) /* 68000 Code */
ROM_LOAD( "32x_g_bios.bin", 0x000000, 0x000100, CRC(5c12eae8) SHA1(dbebd76a448447cb6e524ac3cb0fd19fc065d944) )
ROM_REGION32_BE( 0x400000, "master", 0 ) /* SH2 Code */
ROM_LOAD( "32x_m_bios.bin", 0x000000, 0x000800, CRC(dd9c46b8) SHA1(1e5b0b2441a4979b6966d942b20cc76c413b8c5e) )
ROM_REGION32_BE( 0x400000, "slave", 0 ) /* SH2 Code */
ROM_LOAD( "32x_s_bios.bin", 0x000000, 0x000400, CRC(bfda1fe5) SHA1(4103668c1bbd66c5e24558e73d4f3f92061a109a) )
ROM_END
/***************************************************************************
Game driver(s)
***************************************************************************/
/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME */
CONS( 1989, genesis, 0, 0, ms_megadriv, md, md_cons_state, genesis, "Sega", "Genesis (USA, NTSC)", GAME_SUPPORTS_SAVE )
CONS( 1990, megadriv, genesis, 0, ms_megadpal, md, md_cons_state, md_eur, "Sega", "Mega Drive (Europe, PAL)", GAME_SUPPORTS_SAVE )
CONS( 1988, megadrij, genesis, 0, ms_megadriv, md, md_cons_state, md_jpn, "Sega", "Mega Drive (Japan, NTSC)", GAME_SUPPORTS_SAVE )
// the 32X plugged in the cart slot, games plugged into the 32x. Maybe it should be handled as an expansion device?
CONS( 1994, 32x, 0, 0, genesis_32x, md, md_cons_state, genesis, "Sega", "Genesis with 32X (USA, NTSC)", GAME_NOT_WORKING )
CONS( 1994, 32xe, 32x, 0, md_32x, md, md_cons_state, md_eur, "Sega", "Mega Drive with 32X (Europe, PAL)", GAME_NOT_WORKING )
CONS( 1994, 32xj, 32x, 0, mdj_32x, md, md_cons_state, md_jpn, "Sega", "Mega Drive with 32X (Japan, NTSC)", GAME_NOT_WORKING )
// the SegaCD plugged into the expansion port..
CONS( 1992, segacd, 0, 0, genesis_scd, md, md_cons_state, genesis, "Sega", "Sega CD (USA, NTSC)", GAME_NOT_WORKING )
CONS( 1993, megacd, segacd, 0, md_scd, md, md_cons_state, md_eur, "Sega", "Mega-CD (Europe, PAL)", GAME_NOT_WORKING )
CONS( 1991, megacdj, segacd, 0, mdj_scd, md, md_cons_state, md_jpn, "Sega", "Mega-CD (Japan, NTSC)", GAME_NOT_WORKING ) // this bios doesn't work with our ram interleave needed by a few games?!
CONS( 1991, megacda, segacd, 0, md_scd, md, md_cons_state, md_eur, "Sega", "Mega-CD (Asia, PAL)", GAME_NOT_WORKING )
CONS( 1993, segacd2, 0, 0, genesis_scd, md, md_cons_state, genesis, "Sega", "Sega CD 2 (USA, NTSC)", GAME_NOT_WORKING )
CONS( 1993, megacd2, segacd2, 0, md_scd, md, md_cons_state, md_eur, "Sega", "Mega-CD 2 (Europe, PAL)", GAME_NOT_WORKING )
CONS( 1993, megacd2j, segacd2, 0, mdj_scd, md, md_cons_state, md_jpn, "Sega", "Mega-CD 2 (Japan, NTSC)", GAME_NOT_WORKING )
CONS( 1994, aiwamcd, segacd2, 0, mdj_scd, md, md_cons_state, md_jpn, "AIWA", "Mega-CD CSD-G1M (Japan, NTSC)", GAME_NOT_WORKING )
CONS( 1993, laseract, 0, 0, genesis_scd, md, md_cons_state, genesis, "Pioneer","LaserActive (USA, NTSC)", GAME_NOT_WORKING )
CONS( 1993, laseractj, laseract, 0, mdj_scd, md, md_cons_state, md_jpn, "Pioneer","LaserActive (Japan, NTSC)", GAME_NOT_WORKING )
CONS( 1993, xeye, 0, 0, genesis_scd, md, md_cons_state, genesis, "JVC", "X'eye (USA, NTSC)", GAME_NOT_WORKING )
CONS( 1992, wmega, xeye, 0, mdj_scd, md, md_cons_state, md_jpn, "Sega", "Wondermega (Japan, NTSC)", GAME_NOT_WORKING )
CONS( 1993, wmegam2, xeye, 0, mdj_scd, md, md_cons_state, md_jpn, "Victor", "Wondermega M2 (Japan, NTSC)", GAME_NOT_WORKING )
CONS( 1994, cdx, 0, 0, genesis_scd, md, md_cons_state, genesis, "Sega", "CDX (USA, NTSC)", GAME_NOT_WORKING )
CONS( 1994, multmega, cdx, 0, md_scd, md, md_cons_state, md_eur, "Sega", "Multi-Mega (Europe, PAL)", GAME_NOT_WORKING )
CONS( 1994, 32x_scd, 0, 0, genesis_32x_scd, md, md_cons_state, genesis, "Sega", "Sega CD (USA, NTSC, w/32X)", GAME_NOT_WORKING )
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