mame/src/mess/drivers/n64.c
2013-02-18 14:57:32 +00:00

365 lines
16 KiB
C

/*
Nintendo 64
Driver by Ville Linde
Reformatted to share hardware by R. Belmont
Additional work by Ryan Holtz
Porting from Mupen64 by Harmony
*/
#include "emu.h"
#include "cpu/rsp/rsp.h"
#include "cpu/mips/mips3.h"
#include "sound/dmadac.h"
#include "imagedev/cartslot.h"
#include "includes/n64.h"
class n64_mess_state : public n64_state
{
public:
n64_mess_state(const machine_config &mconfig, device_type type, const char *tag)
: n64_state(mconfig, type, tag)
{ }
DECLARE_READ32_MEMBER(dd_null_r);
DECLARE_MACHINE_START(n64dd);
INTERRUPT_GEN_MEMBER(n64_reset_poll);
DECLARE_DEVICE_IMAGE_LOAD_MEMBER(n64_cart);
void mempak_format(UINT8* pak);
};
READ32_MEMBER(n64_mess_state::dd_null_r)
{
return 0xffffffff;
}
static ADDRESS_MAP_START( n64_map, AS_PROGRAM, 32, n64_mess_state )
AM_RANGE(0x00000000, 0x007fffff) AM_RAM AM_SHARE("rdram") // RDRAM
AM_RANGE(0x03f00000, 0x03f00027) AM_DEVREADWRITE("rcp", n64_periphs, rdram_reg_r, rdram_reg_w)
AM_RANGE(0x04000000, 0x04000fff) AM_RAM AM_SHARE("rsp_dmem") // RSP DMEM
AM_RANGE(0x04001000, 0x04001fff) AM_RAM AM_SHARE("rsp_imem") // RSP IMEM
AM_RANGE(0x04040000, 0x040fffff) AM_DEVREADWRITE_LEGACY("rsp", n64_sp_reg_r, n64_sp_reg_w) // RSP
AM_RANGE(0x04100000, 0x041fffff) AM_DEVREADWRITE_LEGACY("rsp", n64_dp_reg_r, n64_dp_reg_w) // RDP
AM_RANGE(0x04300000, 0x043fffff) AM_DEVREADWRITE("rcp", n64_periphs, mi_reg_r, mi_reg_w) // MIPS Interface
AM_RANGE(0x04400000, 0x044fffff) AM_DEVREADWRITE("rcp", n64_periphs, vi_reg_r, vi_reg_w) // Video Interface
AM_RANGE(0x04500000, 0x045fffff) AM_DEVREADWRITE("rcp", n64_periphs, ai_reg_r, ai_reg_w) // Audio Interface
AM_RANGE(0x04600000, 0x046fffff) AM_DEVREADWRITE("rcp", n64_periphs, pi_reg_r, pi_reg_w) // Peripheral Interface
AM_RANGE(0x04700000, 0x047fffff) AM_DEVREADWRITE("rcp", n64_periphs, ri_reg_r, ri_reg_w) // RDRAM Interface
AM_RANGE(0x04800000, 0x048fffff) AM_DEVREADWRITE("rcp", n64_periphs, si_reg_r, si_reg_w) // Serial Interface
AM_RANGE(0x05000508, 0x0500050b) AM_READ(dd_null_r);
AM_RANGE(0x08000000, 0x0801ffff) AM_RAM AM_SHARE("sram") // Cartridge SRAM
AM_RANGE(0x10000000, 0x13ffffff) AM_ROM AM_REGION("user2", 0) // Cartridge
AM_RANGE(0x1fc00000, 0x1fc007bf) AM_ROM AM_REGION("user1", 0) // PIF ROM
AM_RANGE(0x1fc007c0, 0x1fc007ff) AM_DEVREADWRITE("rcp", n64_periphs, pif_ram_r, pif_ram_w)
ADDRESS_MAP_END
static ADDRESS_MAP_START( n64dd_map, AS_PROGRAM, 32, n64_mess_state )
AM_RANGE(0x00000000, 0x007fffff) AM_RAM AM_SHARE("rdram") // RDRAM
AM_RANGE(0x03f00000, 0x03f00027) AM_DEVREADWRITE("rcp", n64_periphs, rdram_reg_r, rdram_reg_w)
AM_RANGE(0x04000000, 0x04000fff) AM_RAM AM_SHARE("rsp_dmem") // RSP DMEM
AM_RANGE(0x04001000, 0x04001fff) AM_RAM AM_SHARE("rsp_imem") // RSP IMEM
AM_RANGE(0x04040000, 0x040fffff) AM_DEVREADWRITE_LEGACY("rsp", n64_sp_reg_r, n64_sp_reg_w) // RSP
AM_RANGE(0x04100000, 0x041fffff) AM_DEVREADWRITE_LEGACY("rsp", n64_dp_reg_r, n64_dp_reg_w) // RDP
AM_RANGE(0x04300000, 0x043fffff) AM_DEVREADWRITE("rcp", n64_periphs, mi_reg_r, mi_reg_w) // MIPS Interface
AM_RANGE(0x04400000, 0x044fffff) AM_DEVREADWRITE("rcp", n64_periphs, vi_reg_r, vi_reg_w) // Video Interface
AM_RANGE(0x04500000, 0x045fffff) AM_DEVREADWRITE("rcp", n64_periphs, ai_reg_r, ai_reg_w) // Audio Interface
AM_RANGE(0x04600000, 0x046fffff) AM_DEVREADWRITE("rcp", n64_periphs, pi_reg_r, pi_reg_w) // Peripheral Interface
AM_RANGE(0x04700000, 0x047fffff) AM_DEVREADWRITE("rcp", n64_periphs, ri_reg_r, ri_reg_w) // RDRAM Interface
AM_RANGE(0x04800000, 0x048fffff) AM_DEVREADWRITE("rcp", n64_periphs, si_reg_r, si_reg_w) // Serial Interface
AM_RANGE(0x05000000, 0x05ffffff) AM_DEVREADWRITE("rcp", n64_periphs, dd_reg_r, dd_reg_w) // 64DD Interface
AM_RANGE(0x06000000, 0x063fffff) AM_ROM AM_REGION("ddipl", 0) // 64DD IPL ROM
AM_RANGE(0x08000000, 0x0801ffff) AM_RAM AM_SHARE("sram") // Cartridge SRAM
AM_RANGE(0x10000000, 0x13ffffff) AM_ROM AM_REGION("user2", 0) // Cartridge
AM_RANGE(0x1fc00000, 0x1fc007bf) AM_ROM AM_REGION("user1", 0) // PIF ROM
AM_RANGE(0x1fc007c0, 0x1fc007ff) AM_DEVREADWRITE("rcp", n64_periphs, pif_ram_r, pif_ram_w)
ADDRESS_MAP_END
static ADDRESS_MAP_START( rsp_map, AS_PROGRAM, 32, n64_mess_state )
AM_RANGE(0x00000000, 0x00000fff) AM_RAM AM_SHARE("rsp_dmem")
AM_RANGE(0x00001000, 0x00001fff) AM_RAM AM_SHARE("rsp_imem")
AM_RANGE(0x04000000, 0x04000fff) AM_RAM AM_SHARE("rsp_dmem")
AM_RANGE(0x04001000, 0x04001fff) AM_RAM AM_SHARE("rsp_imem")
ADDRESS_MAP_END
static INPUT_PORTS_START( n64 )
PORT_START("P1")
PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_NAME("P1 Button A")
PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_NAME("P1 Button B")
PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_PLAYER(1) PORT_NAME("P1 Button Z")
PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_START ) PORT_PLAYER(1) PORT_NAME("P1 Start")
PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_PLAYER(1) PORT_NAME("P1 Joypad \xE2\x86\x91") /* Up */
PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1) PORT_NAME("P1 Joypad \xE2\x86\x93") /* Down */
PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1) PORT_NAME("P1 Joypad \xE2\x86\x90") /* Left */
PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1) PORT_NAME("P1 Joypad \xE2\x86\x92") /* Right */
PORT_BIT( 0x00c0, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x0020, IP_ACTIVE_HIGH, IPT_BUTTON4 ) PORT_PLAYER(1) PORT_NAME("P1 Button L")
PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_BUTTON5 ) PORT_PLAYER(1) PORT_NAME("P1 Button R")
PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_BUTTON6 ) PORT_PLAYER(1) PORT_NAME("P1 Button C \xE2\x86\x91") /* Up */
PORT_BIT( 0x0004, IP_ACTIVE_HIGH, IPT_BUTTON7 ) PORT_PLAYER(1) PORT_NAME("P1 Button C \xE2\x86\x93") /* Down */
PORT_BIT( 0x0002, IP_ACTIVE_HIGH, IPT_BUTTON8 ) PORT_PLAYER(1) PORT_NAME("P1 Button C \xE2\x86\x90") /* Left */
PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_BUTTON9 ) PORT_PLAYER(1) PORT_NAME("P1 Button C \xE2\x86\x92") /* Right */
PORT_START("P1_ANALOG_X")
PORT_BIT( 0xff, 0x80, IPT_AD_STICK_X ) PORT_MINMAX(0x00,0xff) PORT_SENSITIVITY(30) PORT_KEYDELTA(30) PORT_PLAYER(1)
PORT_START("P1_ANALOG_Y")
PORT_BIT( 0xff, 0x80, IPT_AD_STICK_Y ) PORT_MINMAX(0x00,0xff) PORT_SENSITIVITY(30) PORT_KEYDELTA(30) PORT_PLAYER(1) PORT_REVERSE
PORT_START("P2")
PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_NAME("P2 Button A")
PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_NAME("P2 Button B")
PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_PLAYER(2) PORT_NAME("P2 Button Z")
PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_START ) PORT_PLAYER(2) PORT_NAME("P2 Start")
PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_PLAYER(2) PORT_NAME("P2 Joypad \xE2\x86\x91") /* Up */
PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2) PORT_NAME("P2 Joypad \xE2\x86\x93") /* Down */
PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2) PORT_NAME("P2 Joypad \xE2\x86\x90") /* Left */
PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2) PORT_NAME("P2 Joypad \xE2\x86\x92") /* Right */
PORT_BIT( 0x00c0, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x0020, IP_ACTIVE_HIGH, IPT_BUTTON4 ) PORT_PLAYER(2) PORT_NAME("P2 Button L")
PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_BUTTON5 ) PORT_PLAYER(2) PORT_NAME("P2 Button R")
PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_BUTTON6 ) PORT_PLAYER(2) PORT_NAME("P2 Button C \xE2\x86\x91") /* Up */
PORT_BIT( 0x0004, IP_ACTIVE_HIGH, IPT_BUTTON7 ) PORT_PLAYER(2) PORT_NAME("P2 Button C \xE2\x86\x93") /* Down */
PORT_BIT( 0x0002, IP_ACTIVE_HIGH, IPT_BUTTON8 ) PORT_PLAYER(2) PORT_NAME("P2 Button C \xE2\x86\x90") /* Left */
PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_BUTTON9 ) PORT_PLAYER(2) PORT_NAME("P2 Button C \xE2\x86\x92") /* Right */
PORT_START("P2_ANALOG_X")
PORT_BIT( 0xff, 0x80, IPT_AD_STICK_X ) PORT_MINMAX(0x00,0xff) PORT_SENSITIVITY(30) PORT_KEYDELTA(30) PORT_PLAYER(2)
PORT_START("P2_ANALOG_Y")
PORT_BIT( 0xff, 0x80, IPT_AD_STICK_Y ) PORT_MINMAX(0x00,0xff) PORT_SENSITIVITY(30) PORT_KEYDELTA(30) PORT_PLAYER(2) PORT_REVERSE
PORT_START("RESET")
PORT_BIT( 0xfffe, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Warm Reset") PORT_CODE(KEYCODE_3)
INPUT_PORTS_END
/* ?? */
static const mips3_config config =
{
16384, /* code cache size */
8192, /* data cache size */
62500000 /* system clock */
};
void n64_mess_state::mempak_format(UINT8* pak)
{
unsigned char pak_header[] =
{
0x81,0x01,0x02,0x03, 0x04,0x05,0x06,0x07, 0x08,0x09,0x0a,0x0b, 0x0c,0x0d,0x0e,0x0f,
0x10,0x11,0x12,0x13, 0x14,0x15,0x16,0x17, 0x18,0x19,0x1a,0x1b, 0x1c,0x1d,0x1e,0x1f,
0xff,0xff,0xff,0xff, 0x05,0x1a,0x5f,0x13, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0x01,0xff, 0x66,0x25,0x99,0xcd,
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
0xff,0xff,0xff,0xff, 0x05,0x1a,0x5f,0x13, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0x01,0xff, 0x66,0x25,0x99,0xcd,
0xff,0xff,0xff,0xff, 0x05,0x1a,0x5f,0x13, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0x01,0xff, 0x66,0x25,0x99,0xcd,
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
0xff,0xff,0xff,0xff, 0x05,0x1a,0x5f,0x13, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0x01,0xff, 0x66,0x25,0x99,0xcd,
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
0x00,0x71,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03
};
for (int i = 0; i < 0x8000; i += 2)
{
pak[i+0] = 0x00;
pak[i+1] = 0x03;
}
memcpy(pak, pak_header, 272);
}
DEVICE_IMAGE_LOAD_MEMBER(n64_mess_state,n64_cart)
{
int i, length;
n64_periphs *periphs = image.device().machine().device<n64_periphs>("rcp");
UINT8 *cart = image.device().machine().root_device().memregion("user2")->base();
if (image.software_entry() == NULL)
{
length = image.fread( cart, 0x4000000);
}
else
{
length = image.get_software_region_length("rom");
memcpy(cart, image.get_software_region("rom"), length);
}
periphs->cart_length = length;
if (cart[0] == 0x37 && cart[1] == 0x80)
{
for (i = 0; i < length; i += 4)
{
UINT8 b1 = cart[i + 0];
UINT8 b2 = cart[i + 1];
UINT8 b3 = cart[i + 2];
UINT8 b4 = cart[i + 3];
cart[i + 0] = b3;
cart[i + 1] = b4;
cart[i + 2] = b1;
cart[i + 3] = b2;
}
}
else
{
for (i = 0; i < length; i += 4)
{
UINT8 b1 = cart[i + 0];
UINT8 b2 = cart[i + 1];
UINT8 b3 = cart[i + 2];
UINT8 b4 = cart[i + 3];
cart[i + 0] = b4;
cart[i + 1] = b3;
cart[i + 2] = b2;
cart[i + 3] = b1;
}
}
periphs->m_nvram_image = image;
logerror("cart length = %d\n", length);
device_image_interface *battery_image = dynamic_cast<device_image_interface *>(periphs->m_nvram_image);
if(battery_image)
{
//printf("Loading\n");
UINT8 data[0x30800];
battery_image->battery_load(data, 0x30800, 0x00);
//memcpy(n64_sram, data, 0x20000);
memcpy(image.device().machine().root_device().memshare("sram")->ptr(), data, 0x20000);
memcpy(periphs->m_save_data.eeprom, data + 0x20000, 0x800);
memcpy(periphs->m_save_data.mempak[0], data + 0x20800, 0x8000);
memcpy(periphs->m_save_data.mempak[1], data + 0x28800, 0x8000);
}
if(periphs->m_save_data.mempak[0][0] == 0) // Init if new
{
memset(periphs->m_save_data.eeprom, 0, 0x800);
mempak_format(periphs->m_save_data.mempak[0]);
mempak_format(periphs->m_save_data.mempak[1]);
}
return IMAGE_INIT_PASS;
}
MACHINE_START_MEMBER(n64_mess_state,n64dd)
{
machine_start();
UINT8 *ipl = machine().root_device().memregion("ddipl")->base();
for (int i = 0; i < 0x400000; i += 4)
{
UINT8 b1 = ipl[i + 0];
UINT8 b2 = ipl[i + 1];
UINT8 b3 = ipl[i + 2];
UINT8 b4 = ipl[i + 3];
ipl[i + 0] = b1;
ipl[i + 1] = b2;
ipl[i + 2] = b3;
ipl[i + 3] = b4;
}
}
INTERRUPT_GEN_MEMBER(n64_mess_state::n64_reset_poll)
{
n64_periphs *periphs = machine().device<n64_periphs>("rcp");
periphs->poll_reset_button((machine().root_device().ioport("RESET")->read() & 1) ? true : false);
}
static MACHINE_CONFIG_START( n64, n64_mess_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", VR4300BE, 93750000)
MCFG_CPU_CONFIG(config)
MCFG_CPU_PROGRAM_MAP(n64_map)
MCFG_CPU_VBLANK_INT_DRIVER("screen", n64_mess_state, n64_reset_poll)
MCFG_CPU_ADD("rsp", RSP, 62500000)
MCFG_CPU_CONFIG(n64_rsp_config)
MCFG_CPU_PROGRAM_MAP(rsp_map)
//MCFG_QUANTUM_TIME(attotime::from_hz(1000000))
MCFG_QUANTUM_TIME(attotime::from_hz(1200))
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
MCFG_SCREEN_SIZE(640, 525)
MCFG_SCREEN_VISIBLE_AREA(0, 639, 0, 239)
MCFG_SCREEN_UPDATE_DRIVER(n64_state, screen_update_n64)
MCFG_PALETTE_LENGTH(0x1000)
MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
MCFG_SOUND_ADD("dac2", DMADAC, 0)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.0)
MCFG_SOUND_ADD("dac1", DMADAC, 0)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.0)
MCFG_N64_PERIPHS_ADD("rcp");
/* cartridge */
MCFG_CARTSLOT_ADD("cart")
MCFG_CARTSLOT_EXTENSION_LIST("v64,z64,rom,n64,bin")
MCFG_CARTSLOT_MANDATORY
MCFG_CARTSLOT_INTERFACE("n64_cart")
MCFG_CARTSLOT_LOAD(n64_mess_state,n64_cart)
/* software lists */
MCFG_SOFTWARE_LIST_ADD("cart_list","n64")
MACHINE_CONFIG_END
static MACHINE_CONFIG_DERIVED( n64dd, n64 )
MCFG_CPU_MODIFY("maincpu")
MCFG_CPU_PROGRAM_MAP(n64dd_map)
MCFG_MACHINE_START_OVERRIDE(n64_mess_state, n64dd)
MCFG_CARTSLOT_MODIFY("cart")
MCFG_CARTSLOT_NOT_MANDATORY
MACHINE_CONFIG_END
ROM_START( n64 )
ROM_REGION( 0x800000, "maincpu", ROMREGION_ERASEFF ) /* dummy region for R4300 */
ROM_REGION32_BE( 0x800, "user1", 0 )
ROM_LOAD( "pifdata.bin", 0x0000, 0x0800, CRC(5ec82be9) SHA1(9174eadc0f0ea2654c95fd941406ab46b9dc9bdd) )
ROM_REGION32_BE( 0x4000000, "user2", ROMREGION_ERASEFF)
ROM_REGION16_BE( 0x80, "normpoint", 0 )
ROM_LOAD( "normpnt.rom", 0x00, 0x80, CRC(e7f2a005) SHA1(c27b4a364a24daeee6e99fd286753fd6216362b4) )
ROM_REGION16_BE( 0x80, "normslope", 0 )
ROM_LOAD( "normslp.rom", 0x00, 0x80, CRC(4f2ae525) SHA1(eab43f8cc52c8551d9cff6fced18ef80eaba6f05) )
ROM_END
ROM_START( n64dd )
ROM_REGION( 0x800000, "maincpu", ROMREGION_ERASEFF ) /* dummy region for R4300 */
ROM_REGION32_BE( 0x800, "user1", 0 )
ROM_LOAD( "pifdata.bin", 0x0000, 0x0800, CRC(5ec82be9) SHA1(9174eadc0f0ea2654c95fd941406ab46b9dc9bdd) )
ROM_REGION32_BE( 0x4000000, "user2", ROMREGION_ERASEFF)
ROM_REGION32_BE( 0x400000, "ddipl", ROMREGION_ERASEFF)
ROM_LOAD( "64ddipl.bin", 0x000000, 0x400000, CRC(7f933ce2) SHA1(bf861922dcb78c316360e3e742f4f70ff63c9bc3) )
ROM_REGION16_BE( 0x80, "normpoint", 0 )
ROM_LOAD( "normpnt.rom", 0x00, 0x80, CRC(e7f2a005) SHA1(c27b4a364a24daeee6e99fd286753fd6216362b4) )
ROM_REGION16_BE( 0x80, "normslope", 0 )
ROM_LOAD( "normslp.rom", 0x00, 0x80, CRC(4f2ae525) SHA1(eab43f8cc52c8551d9cff6fced18ef80eaba6f05) )
ROM_END
CONS(1996, n64, 0, 0, n64, n64, driver_device, 0, "Nintendo", "Nintendo 64", GAME_NOT_WORKING | GAME_IMPERFECT_GRAPHICS )
CONS(1996, n64dd, n64, 0, n64dd, n64, driver_device, 0, "Nintendo", "Nintendo 64DD", GAME_NOT_WORKING | GAME_IMPERFECT_GRAPHICS )