/***************************************************************************
Over Drive (GX789) (c) 1990 Konami
driver by Nicola Salmoria
Notes:
- irq source for main CPU aren't understood, needs HW tests.
- Missing road (two unemulated K053250)
- Visible area and relative placement of sprites and tiles is most likely wrong.
- Test mode doesn't work well with 3 IRQ5 per frame, the ROM check doesn't work
and the coin A setting isn't shown. It's OK with 1 IRQ5 per frame.
- Some flickering sprites, this might be an interrupt/timing issue
- The screen is cluttered with sprites which aren't supposed to be visible,
increasing the coordinate mask in K053247_sprites_draw() from 0x3ff to 0xfff
fixes this but breaks other games (e.g. Vendetta).
- The "Continue?" sprites are not visible until you press start
- priorities
***************************************************************************/
#include "emu.h"
#include "cpu/m68000/m68000.h"
#include "video/konicdev.h"
#include "video/k053250.h"
#include "machine/k053252.h"
#include "machine/eeprom.h"
#include "cpu/m6809/m6809.h"
#include "sound/2151intf.h"
#include "sound/k053260.h"
#include "includes/overdriv.h"
#include "overdriv.lh"
/***************************************************************************
EEPROM
***************************************************************************/
static const UINT16 overdriv_default_eeprom[64] =
{
0x7758,0xFFFF,0x0078,0x9000,0x0078,0x7000,0x0078,0x5000,
0x5441,0x4B51,0x3136,0x4655,0x4AFF,0x0300,0x0270,0x0250,
0x00B4,0x0300,0xB403,0x00B4,0x0300,0xB403,0x00B4,0x0300,
0xB403,0x00B4,0x0300,0xB403,0x00B4,0x0300,0xB403,0x00B4,
0x0300,0xB403,0x00B4,0x0300,0xB403,0x00B4,0x0300,0xB403,
0x00B4,0x0300,0xB403,0x00B4,0x0300,0xB403,0x00B4,0x0300,
0xB403,0x00B4,0x0300,0xB403,0x00B4,0x0300,0xB403,0x00B4,
0x0300,0xB403,0x00B4,0x0300,0xB403,0x00B4,0x0300,0xB403
};
static const eeprom_interface eeprom_intf =
{
6, /* address bits */
16, /* data bits */
"011000", /* read command */
"010100", /* write command */
0, /* erase command */
"010000000000", /* lock command */
"010011000000" /* unlock command */
};
static WRITE16_HANDLER( eeprom_w )
{
//logerror("%06x: write %04x to eeprom_w\n",cpu_get_pc(&space->device()),data);
if (ACCESSING_BITS_0_7)
{
/* bit 0 is data */
/* bit 1 is clock (active high) */
/* bit 2 is cs (active low) */
input_port_write(space->machine(), "EEPROMOUT", data, 0xff);
}
}
static TIMER_DEVICE_CALLBACK( overdriv_cpuA_scanline )
{
int scanline = param;
/* TODO: irqs routines are TOO slow right now, it ends up firing spurious irqs for whatever reason (shared ram fighting?) */
/* this is a temporary solution to get rid of deprecat.h and the crashes, but also makes the game timer to be too slow */
if(scanline == 256 && timer.machine().primary_screen->frame_number() & 1) // vblank-out irq
cputag_set_input_line(timer.machine(), "maincpu", 4, HOLD_LINE);
else if((scanline % 128) == 0) // timer irq
cputag_set_input_line(timer.machine(), "maincpu", 5, HOLD_LINE);
}
static INTERRUPT_GEN( cpuB_interrupt )
{
overdriv_state *state = device->machine().driver_data<overdriv_state>();
if (k053246_is_irq_enabled(state->m_k053246))
device_set_input_line(device, 4, HOLD_LINE);
}
static WRITE16_HANDLER( cpuA_ctrl_w )
{
overdriv_state *state = space->machine().driver_data<overdriv_state>();
if (ACCESSING_BITS_0_7)
{
/* bit 0 probably enables the second 68000 */
device_set_input_line(state->m_subcpu, INPUT_LINE_RESET, (data & 0x01) ? CLEAR_LINE : ASSERT_LINE);
/* bit 1 is clear during service mode - function unknown */
set_led_status(space->machine(), 0, data & 0x08);
coin_counter_w(space->machine(), 0, data & 0x10);
coin_counter_w(space->machine(), 1, data & 0x20);
//logerror("%06x: write %04x to cpuA_ctrl_w\n",cpu_get_pc(&space->device()),data);
}
}
static READ16_HANDLER( cpuB_ctrl_r )
{
overdriv_state *state = space->machine().driver_data<overdriv_state>();
return state->m_cpuB_ctrl;
}
static WRITE16_HANDLER( cpuB_ctrl_w )
{
overdriv_state *state = space->machine().driver_data<overdriv_state>();
COMBINE_DATA(&state->m_cpuB_ctrl);
if (ACCESSING_BITS_0_7)
{
/* bit 0 = enable sprite ROM reading */
k053246_set_objcha_line(state->m_k053246, (data & 0x01) ? ASSERT_LINE : CLEAR_LINE);
/* bit 1 used but unknown (irq enable?) */
/* other bits unused? */
}
}
static READ8_DEVICE_HANDLER( overdriv_sound_r )
{
return k053260_r(device, 2 + offset);
}
static WRITE16_HANDLER( overdriv_soundirq_w )
{
overdriv_state *state = space->machine().driver_data<overdriv_state>();
device_set_input_line(state->m_audiocpu, M6809_IRQ_LINE, HOLD_LINE);
}
static WRITE16_HANDLER( overdriv_cpuB_irq5_w )
{
overdriv_state *state = space->machine().driver_data<overdriv_state>();
device_set_input_line(state->m_subcpu, 5, HOLD_LINE);
}
static WRITE16_HANDLER( overdriv_cpuB_irq6_w )
{
overdriv_state *state = space->machine().driver_data<overdriv_state>();
device_set_input_line(state->m_subcpu, 6, HOLD_LINE);
}
static ADDRESS_MAP_START( overdriv_master_map, AS_PROGRAM, 16 )
AM_RANGE(0x000000, 0x03ffff) AM_ROM
AM_RANGE(0x040000, 0x043fff) AM_RAM /* work RAM */
AM_RANGE(0x080000, 0x080fff) AM_RAM_WRITE(paletteram16_xBBBBBGGGGGRRRRR_word_w) AM_BASE_GENERIC(paletteram)
AM_RANGE(0x0c0000, 0x0c0001) AM_READ_PORT("INPUTS")
AM_RANGE(0x0c0002, 0x0c0003) AM_READ_PORT("SYSTEM")
AM_RANGE(0x0e0000, 0x0e0001) AM_WRITENOP /* unknown (always 0x30) */
AM_RANGE(0x100000, 0x10001f) AM_DEVREADWRITE8("k053252",k053252_r,k053252_w,0x00ff) /* 053252? (LSB) */
AM_RANGE(0x140000, 0x140001) AM_WRITENOP //watchdog reset?
AM_RANGE(0x180000, 0x180001) AM_READ_PORT("PADDLE")
AM_RANGE(0x1c0000, 0x1c001f) AM_DEVWRITE8("k051316_1", k051316_ctrl_w, 0xff00)
AM_RANGE(0x1c8000, 0x1c801f) AM_DEVWRITE8("k051316_2", k051316_ctrl_w, 0xff00)
AM_RANGE(0x1d0000, 0x1d001f) AM_DEVWRITE("k053251", k053251_msb_w)
AM_RANGE(0x1d8000, 0x1d8003) AM_DEVREADWRITE8("k053260_1", overdriv_sound_r, k053260_w, 0x00ff) /* K053260 */
AM_RANGE(0x1e0000, 0x1e0003) AM_DEVREADWRITE8("k053260_2", overdriv_sound_r, k053260_w, 0x00ff) /* K053260 */
AM_RANGE(0x1e8000, 0x1e8001) AM_WRITE(overdriv_soundirq_w)
AM_RANGE(0x1f0000, 0x1f0001) AM_WRITE(cpuA_ctrl_w) /* halt cpu B, coin counter, start lamp, other? */
AM_RANGE(0x1f8000, 0x1f8001) AM_WRITE(eeprom_w)
AM_RANGE(0x200000, 0x203fff) AM_RAM AM_SHARE("share1")
AM_RANGE(0x210000, 0x210fff) AM_DEVREADWRITE8("k051316_1", k051316_r, k051316_w, 0xff00)
AM_RANGE(0x218000, 0x218fff) AM_DEVREADWRITE8("k051316_2", k051316_r, k051316_w, 0xff00)
AM_RANGE(0x220000, 0x220fff) AM_DEVREAD8("k051316_1", k051316_rom_r, 0xff00)
AM_RANGE(0x228000, 0x228fff) AM_DEVREAD8("k051316_2", k051316_rom_r, 0xff00)
AM_RANGE(0x230000, 0x230001) AM_WRITE(overdriv_cpuB_irq6_w)
AM_RANGE(0x238000, 0x238001) AM_WRITE(overdriv_cpuB_irq5_w)
ADDRESS_MAP_END
static ADDRESS_MAP_START( overdriv_slave_map, AS_PROGRAM, 16 )
AM_RANGE(0x000000, 0x03ffff) AM_ROM
AM_RANGE(0x080000, 0x083fff) AM_RAM /* work RAM */
AM_RANGE(0x0c0000, 0x0c1fff) AM_RAM //AM_DEVREADWRITE("k053250_1", k053250_ram_r, k053250_ram_w)
AM_RANGE(0x100000, 0x10000f) AM_DEVREADWRITE_MODERN("k053250_1", k053250_t, reg_r, reg_w)
AM_RANGE(0x108000, 0x10800f) AM_DEVREADWRITE_MODERN("k053250_2", k053250_t, reg_r, reg_w)
AM_RANGE(0x118000, 0x118fff) AM_DEVREADWRITE("k053246", k053247_word_r, k053247_word_w)
AM_RANGE(0x120000, 0x120001) AM_DEVREAD("k053246", k053246_word_r)
AM_RANGE(0x128000, 0x128001) AM_READWRITE(cpuB_ctrl_r, cpuB_ctrl_w) /* enable K053247 ROM reading, plus something else */
AM_RANGE(0x130000, 0x130007) AM_DEVWRITE("k053246", k053246_word_w)
AM_RANGE(0x200000, 0x203fff) AM_RAM AM_SHARE("share1")
AM_RANGE(0x208000, 0x20bfff) AM_RAM
AM_RANGE(0x218000, 0x219fff) AM_DEVREAD_MODERN("k053250_1", k053250_t, rom_r)
AM_RANGE(0x220000, 0x221fff) AM_DEVREAD_MODERN("k053250_2", k053250_t, rom_r)
ADDRESS_MAP_END
static ADDRESS_MAP_START( overdriv_sound_map, AS_PROGRAM, 8 )
AM_RANGE(0x0200, 0x0201) AM_DEVREADWRITE("ymsnd", ym2151_r,ym2151_w)
AM_RANGE(0x0400, 0x042f) AM_DEVREADWRITE("k053260_1", k053260_r, k053260_w)
AM_RANGE(0x0600, 0x062f) AM_DEVREADWRITE("k053260_2", k053260_r, k053260_w)
AM_RANGE(0x0800, 0x0fff) AM_RAM
AM_RANGE(0x1000, 0xffff) AM_ROM
ADDRESS_MAP_END
/* Both IPT_START1 assignments are needed. The game will reset during */
/* the "continue" sequence if the assignment on the first port */
/* is missing. */
static INPUT_PORTS_START( overdriv )
PORT_START("INPUTS")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_TOGGLE
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON1 )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON2 )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_READ_LINE_DEVICE_MEMBER("eeprom", eeprom_device, read_bit)
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_START("SYSTEM")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_SERVICE1 )
PORT_SERVICE_NO_TOGGLE( 0x10, IP_ACTIVE_LOW )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_SPECIAL ) // ?
PORT_START("PADDLE")
PORT_BIT( 0xff, 0x80, IPT_PADDLE ) PORT_SENSITIVITY(100) PORT_KEYDELTA(50)
PORT_START( "EEPROMOUT" )
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_OUTPUT ) PORT_WRITE_LINE_DEVICE_MEMBER("eeprom", eeprom_device, write_bit)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_OUTPUT ) PORT_WRITE_LINE_DEVICE_MEMBER("eeprom", eeprom_device, set_clock_line)
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_OUTPUT ) PORT_WRITE_LINE_DEVICE_MEMBER("eeprom", eeprom_device, set_cs_line)
INPUT_PORTS_END
static const k053260_interface k053260_config =
{
"shared"
};
static const k053247_interface overdriv_k053246_intf =
{
"screen",
"gfx1", 0,
NORMAL_PLANE_ORDER,
77, 22,
KONAMI_ROM_DEINTERLEAVE_4,
overdriv_sprite_callback
};
static const k051316_interface overdriv_k051316_intf_1 =
{
"gfx2", 1,
4, TRUE, 0,
1, 14, -1,
overdriv_zoom_callback_0
};
static const k051316_interface overdriv_k051316_intf_2 =
{
"gfx3", 2,
4, FALSE, 0,
0, 15, 1,
overdriv_zoom_callback_1
};
static MACHINE_START( overdriv )
{
overdriv_state *state = machine.driver_data<overdriv_state>();
state->m_maincpu = machine.device("maincpu");
state->m_audiocpu = machine.device("audiocpu");
state->m_subcpu = machine.device("sub");
state->m_k051316_1 = machine.device("k051316_1");
state->m_k051316_2 = machine.device("k051316_2");
state->m_k053260_1 = machine.device("k053260_1");
state->m_k053260_2 = machine.device("k053260_2");
state->m_k053246 = machine.device("k053246");
state->m_k053251 = machine.device("k053251");
state->save_item(NAME(state->m_cpuB_ctrl));
state->save_item(NAME(state->m_sprite_colorbase));
state->save_item(NAME(state->m_zoom_colorbase));
state->save_item(NAME(state->m_road_colorbase));
}
static MACHINE_RESET( overdriv )
{
overdriv_state *state = machine.driver_data<overdriv_state>();
state->m_cpuB_ctrl = 0;
state->m_sprite_colorbase = 0;
state->m_zoom_colorbase[0] = 0;
state->m_zoom_colorbase[1] = 0;
state->m_road_colorbase[0] = 0;
state->m_road_colorbase[1] = 0;
/* start with cpu B halted */
cputag_set_input_line(machine, "sub", INPUT_LINE_RESET, ASSERT_LINE);
}
static const k053252_interface overdriv_k053252_intf =
{
"screen",
DEVCB_NULL,
DEVCB_NULL,
DEVCB_NULL,
DEVCB_NULL,
13*8, 2*8
};
static MACHINE_CONFIG_START( overdriv, overdriv_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", M68000,24000000/2) /* 12 MHz */
MCFG_CPU_PROGRAM_MAP(overdriv_master_map)
MCFG_TIMER_ADD_SCANLINE("scantimer", overdriv_cpuA_scanline, "screen", 0, 1)
MCFG_CPU_ADD("sub", M68000,24000000/2) /* 12 MHz */
MCFG_CPU_PROGRAM_MAP(overdriv_slave_map)
MCFG_CPU_VBLANK_INT("screen", cpuB_interrupt) /* IRQ 5 and 6 are generated by the main CPU. */
/* IRQ 5 is used only in test mode, to request the checksums of the gfx ROMs. */
MCFG_CPU_ADD("audiocpu", M6809,3579545) /* 1.789 MHz?? This might be the right speed, but ROM testing */
MCFG_CPU_PROGRAM_MAP(overdriv_sound_map) /* takes a little too much (the counter wraps from 0000 to 9999). */
/* This might just mean that the video refresh rate is less than */
/* 60 fps, that's how I fixed it for now. */
MCFG_QUANTUM_TIME(attotime::from_hz(12000))
MCFG_MACHINE_START(overdriv)
MCFG_MACHINE_RESET(overdriv)
MCFG_EEPROM_ADD("eeprom", eeprom_intf)
MCFG_EEPROM_DATA(overdriv_default_eeprom, 128)
/* video hardware */
MCFG_VIDEO_ATTRIBUTES(VIDEO_HAS_SHADOWS)
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(59)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500))
MCFG_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MCFG_SCREEN_SIZE(64*8, 40*8)
MCFG_SCREEN_VISIBLE_AREA(13*8, (64-13)*8-1, 0*8, 32*8-1 )
MCFG_SCREEN_UPDATE(overdriv)
// MCFG_GFXDECODE(overdriv)
MCFG_PALETTE_LENGTH(2048)
MCFG_K053246_ADD("k053246", overdriv_k053246_intf)
MCFG_K051316_ADD("k051316_1", overdriv_k051316_intf_1)
MCFG_K051316_ADD("k051316_2", overdriv_k051316_intf_2)
MCFG_K053251_ADD("k053251")
MCFG_K053250_ADD("k053250_1", "screen", 0, 0)
MCFG_K053250_ADD("k053250_2", "screen", 0, 0)
MCFG_K053252_ADD("k053252", 24000000/4, overdriv_k053252_intf)
/* sound hardware */
MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
MCFG_SOUND_ADD("ymsnd", YM2151, 3579545)
MCFG_SOUND_ROUTE(0, "lspeaker", 0.5)
MCFG_SOUND_ROUTE(1, "rspeaker", 0.5)
MCFG_SOUND_ADD("k053260_1", K053260, 3579545)
MCFG_SOUND_CONFIG(k053260_config)
MCFG_SOUND_ROUTE(0, "lspeaker", 0.35)
MCFG_SOUND_ROUTE(1, "rspeaker", 0.35)
MCFG_SOUND_ADD("k053260_2", K053260, 3579545)
MCFG_SOUND_CONFIG(k053260_config)
MCFG_SOUND_ROUTE(0, "lspeaker", 0.35)
MCFG_SOUND_ROUTE(1, "rspeaker", 0.35)
MACHINE_CONFIG_END
/***************************************************************************
Game driver(s)
***************************************************************************/
ROM_START( overdriv )
ROM_REGION( 0x40000, "maincpu", 0 )
ROM_LOAD16_BYTE( "789.2", 0x00000, 0x20000, CRC(77f18f3f) SHA1(a8c91435573c7851a7864d07eeacfb2f142abbe2) )
ROM_LOAD16_BYTE( "789.1", 0x00001, 0x20000, CRC(4f44e6ad) SHA1(9fa871f55e6b2ec353dd979ded568cd9da83f5d6) )
ROM_REGION( 0x40000, "sub", 0 )
ROM_LOAD16_BYTE( "789.4", 0x00000, 0x20000, CRC(46fb7e88) SHA1(f706a76aff9bec64abe6da325cba0715d6e6ed0a) )
ROM_LOAD16_BYTE( "789.3", 0x00001, 0x20000, CRC(24427195) SHA1(48f4f81729acc0e497b40fddbde11242c5c4c573) )
ROM_REGION( 0x10000, "audiocpu", 0 )
ROM_LOAD( "789.5", 0x00000, 0x10000, CRC(1085f069) SHA1(27228cedb357ff2e130a4bd6d8aa01cf537e034f) )
ROM_REGION( 0x400000, "gfx1", 0 ) /* graphics (addressable by the CPU) */
ROM_LOAD( "e12.r1", 0x000000, 0x100000, CRC(14a10fb2) SHA1(03fb9c15514c5ecc2d9ae4a53961c4bbb49cec73) ) /* sprites */
ROM_LOAD( "e13.r4", 0x100000, 0x100000, CRC(6314a628) SHA1(f8a8918998c266109348c77427a7696b503daeb3) )
ROM_LOAD( "e14.r10", 0x200000, 0x100000, CRC(b5eca14b) SHA1(a1c5f5e9cd8bbcfc875e2acb33be024724da63aa) )
ROM_LOAD( "e15.r15", 0x300000, 0x100000, CRC(5d93e0c3) SHA1(d5cb7666c0c28fd465c860c7f9dbb18a7f739a93) )
ROM_REGION( 0x020000, "gfx2", 0 ) /* graphics (addressable by the CPU) */
ROM_LOAD( "e06.a21", 0x000000, 0x020000, CRC(14a085e6) SHA1(86dad6f223e13ff8af7075c3d99bb0a83784c384) ) /* zoom/rotate */
ROM_REGION( 0x020000, "gfx3", 0 ) /* graphics (addressable by the CPU) */
ROM_LOAD( "e07.c23", 0x000000, 0x020000, CRC(8a6ceab9) SHA1(1a52b7361f71a6126cd648a76af00223d5b25c7a) ) /* zoom/rotate */
ROM_REGION( 0x0c0000, "k053250_1", 0 ) /* graphics (addressable by the CPU) */
ROM_LOAD( "e18.p22", 0x000000, 0x040000, CRC(985a4a75) SHA1(b726166c295be6fbec38a9d11098cc4a4a5de456) )
ROM_LOAD( "e19.r22", 0x040000, 0x040000, CRC(15c54ea2) SHA1(5b10bd28e48e51613359820ba8c75d4a91c2d322) )
ROM_LOAD( "e20.s22", 0x080000, 0x040000, CRC(ea204acd) SHA1(52b8c30234eaefcba1074496028a4ac2bca48e95) )
ROM_REGION( 0x080000, "k053250_2", 0 ) /* graphics (addressable by the CPU) */
ROM_LOAD( "e17.p17", 0x000000, 0x040000, CRC(04c07248) SHA1(873445002cbf90c9fc5a35bf4a8f6c43193ee342) )
ROM_LOAD( "e16.p12", 0x040000, 0x040000, CRC(9348dee1) SHA1(367193373e28962b5b0e54cc15d68ed88ab83f12) )
ROM_REGION( 0x200000, "shared", 0 ) /* 053260 samples */
ROM_LOAD( "e03.j1", 0x000000, 0x100000, CRC(51ebfebe) SHA1(17f0c23189258e801f48d5833fe934e7a48d071b) )
ROM_LOAD( "e02.f1", 0x100000, 0x100000, CRC(bdd3b5c6) SHA1(412332d64052c0a3714f4002c944b0e7d32980a4) )
ROM_END
GAMEL( 1990, overdriv, 0, overdriv, overdriv, 0, ROT90, "Konami", "Over Drive", GAME_IMPERFECT_GRAPHICS | GAME_NOT_WORKING | GAME_SUPPORTS_SAVE, layout_overdriv )