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/***************************************************************************
Car Jamboree
Omori Electric CAD (OEC) 1981
c14 c.d19
c13 c.d18 c10
c12 c9
c11 2125 2125
2125 2125
2125 2125 2114 2114
2125 2125 2114 2114
2125 2125 c8
2125 2125 c7
c6
c5
c4
c3
5101 c2
5101 c1
6116
18.432MHz
6116
Z80A c15
Z80A
8910 SW
8910
Notes:
- sound cpu speed chosen from coin error countdown, 1.536 MHz is too fast
as it loses synchronisation with the onscreen timer
- some sprite glitches from sprite number/colour changes happening on
different frames, possibly original behaviour. eg cars changing colour
just before exploding, animals displaying as the wrong sprite for one
frame when entering the arena
- colours are wrong, sprites and characters only using one of the proms
- background colour calculation is a guess
***************************************************************************/
#include "driver.h"
#include "cpu/z80/z80.h"
#include "sound/ay8910.h"
#include "includes/carjmbre.h"
/*************************************
*
* Memory maps
*
*************************************/
static ADDRESS_MAP_START( carjmbre_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x7fff) AM_ROM
AM_RANGE(0x8000, 0x87ff) AM_RAM
AM_RANGE(0x8800, 0x8800) AM_READNOP //?? possibly watchdog
AM_RANGE(0x8803, 0x8803) AM_WRITE(interrupt_enable_w)
AM_RANGE(0x8805, 0x8806) AM_WRITE(carjmbre_bgcolor_w) //guess
AM_RANGE(0x8807, 0x8807) AM_WRITE(carjmbre_flipscreen_w)
AM_RANGE(0x8fc1, 0x8fc1) AM_WRITENOP //overrun during initial screen clear
AM_RANGE(0x8fe1, 0x8fe1) AM_WRITENOP //overrun during initial screen clear
AM_RANGE(0x9000, 0x97ff) AM_RAM_WRITE(carjmbre_videoram_w) AM_BASE_MEMBER(carjmbre_state, videoram)
AM_RANGE(0x9800, 0x985f) AM_WRITEONLY AM_BASE_SIZE_MEMBER(carjmbre_state, spriteram, spriteram_size)
AM_RANGE(0x9880, 0x98df) AM_WRITEONLY //spriteram mirror
AM_RANGE(0xa000, 0xa000) AM_READ_PORT("P1")
AM_RANGE(0xa800, 0xa800) AM_READ_PORT("P2")
AM_RANGE(0xb800, 0xb800) AM_READ_PORT("DSW") AM_WRITE(soundlatch_w)
ADDRESS_MAP_END
static ADDRESS_MAP_START( carjmbre_sound_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x0fff) AM_ROM
AM_RANGE(0x1000, 0x10ff) AM_READNOP //look to be stray reads from 10/12/14/16/18xx
AM_RANGE(0x1200, 0x12ff) AM_READNOP
AM_RANGE(0x1400, 0x14ff) AM_READNOP
AM_RANGE(0x1600, 0x16ff) AM_READNOP
AM_RANGE(0x1800, 0x18ff) AM_READNOP
AM_RANGE(0x2000, 0x27ff) AM_RAM
ADDRESS_MAP_END
static ADDRESS_MAP_START( carjmbre_sound_io_map, ADDRESS_SPACE_IO, 8 )
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x00, 0x00) AM_READ(soundlatch_r)
AM_RANGE(0x10, 0x10) AM_WRITENOP //?? written on init/0xff sound command reset
AM_RANGE(0x20, 0x21) AM_DEVWRITE("ay1", ay8910_address_data_w)
AM_RANGE(0x22, 0x22) AM_WRITENOP //?? written before and after 0x21 with same value
AM_RANGE(0x24, 0x24) AM_READNOP //??
AM_RANGE(0x30, 0x31) AM_DEVWRITE("ay2", ay8910_address_data_w)
AM_RANGE(0x32, 0x32) AM_WRITENOP //?? written before and after 0x31 with same value
ADDRESS_MAP_END
/*************************************
*
* Input ports
*
*************************************/
static INPUT_PORTS_START( carjmbre )
PORT_START("P1")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 ) //coin error if held high for 1s
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_COIN2 ) //or if many coins inserted quickly
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_SERVICE1 )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON1 )
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_4WAY
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_4WAY
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_4WAY
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_4WAY
PORT_START("P2")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_START1 )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_START2 )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_COCKTAIL
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_4WAY PORT_COCKTAIL
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_COCKTAIL
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_COCKTAIL
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_COCKTAIL
PORT_START("DSW")
PORT_DIPNAME( 0x03, 0x00, DEF_STR( Coin_A ) )
PORT_DIPSETTING( 0x02, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x03, DEF_STR( Free_Play ) )
PORT_DIPNAME( 0x04, 0x00, DEF_STR( Coin_B ) )
PORT_DIPSETTING( 0x00, DEF_STR( 1C_5C ) )
PORT_DIPSETTING( 0x04, DEF_STR( 1C_6C ) )
PORT_DIPNAME( 0x18, 0x00, DEF_STR( Lives ) )
PORT_DIPSETTING( 0x00, "3" )
PORT_DIPSETTING( 0x08, "4" )
PORT_DIPSETTING( 0x10, "5" )
PORT_DIPSETTING( 0x18, "250 (Cheat)")
PORT_DIPNAME( 0x20, 0x00, DEF_STR( Bonus_Life ) )
PORT_DIPSETTING( 0x00, "10k, then every 100k" )
PORT_DIPSETTING( 0x20, "20k, then every 100k" )
PORT_DIPNAME( 0x40, 0x00, DEF_STR( Allow_Continue ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x40, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Cabinet ) )
PORT_DIPSETTING( 0x80, DEF_STR( Upright ) )
PORT_DIPSETTING( 0x00, DEF_STR( Cocktail ) )
INPUT_PORTS_END
/*************************************
*
* Graphics definitions
*
*************************************/
static const gfx_layout carjmbre_charlayout =
{
8,8,
RGN_FRAC(2,4),
2,
{ RGN_FRAC(0,4), RGN_FRAC(2,4) },
{ STEP8(0,1) },
{ STEP8(0,8) },
8*8
};
static const gfx_layout carjmbre_spritelayout =
{
16,16,
RGN_FRAC(1,4),
2,
{ RGN_FRAC(2,4), RGN_FRAC(0,4) },
{ STEP8(0,1), STEP8(256*16*8,1) },
{ STEP16(0,8) },
16*8
};
static GFXDECODE_START( carjmbre )
GFXDECODE_ENTRY( "gfx1", 0, carjmbre_charlayout, 0, 16 )
GFXDECODE_ENTRY( "gfx2", 0, carjmbre_spritelayout, 0, 16 )
GFXDECODE_END
/*************************************
*
* Machine driver
*
*************************************/
static MACHINE_RESET( carjmbre )
{
carjmbre_state *state = (carjmbre_state *)machine->driver_data;
state->flipscreen = 0;
state->bgcolor = 0;
}
static MACHINE_DRIVER_START( carjmbre )
/* driver data */
MDRV_DRIVER_DATA(carjmbre_state)
/* basic machine hardware */
MDRV_CPU_ADD("maincpu", Z80,18432000/6)
MDRV_CPU_PROGRAM_MAP(carjmbre_map)
MDRV_CPU_VBLANK_INT("screen", nmi_line_pulse)
MDRV_MACHINE_RESET(carjmbre)
MDRV_CPU_ADD("audiocpu", Z80, 1500000)
MDRV_CPU_PROGRAM_MAP(carjmbre_sound_map)
MDRV_CPU_IO_MAP(carjmbre_sound_io_map)
MDRV_CPU_VBLANK_INT("screen", irq0_line_hold)
/* video hardware */
MDRV_SCREEN_ADD("screen", RASTER)
MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MDRV_SCREEN_SIZE(32*8, 32*8)
MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
MDRV_GFXDECODE(carjmbre)
MDRV_PALETTE_LENGTH(64)
MDRV_PALETTE_INIT(carjmbre)
MDRV_VIDEO_START(carjmbre)
MDRV_VIDEO_UPDATE(carjmbre)
/* sound hardware */
MDRV_SPEAKER_STANDARD_MONO("mono")
MDRV_SOUND_ADD("ay1", AY8910, 1500000)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.12)
MDRV_SOUND_ADD("ay2", AY8910, 1500000)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.12)
MACHINE_DRIVER_END
/*************************************
*
* ROM definition
*
*************************************/
ROM_START( carjmbre )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD( "c1", 0x0000, 0x1000, CRC(62b21739) SHA1(710e5c52f27603aa8f864f6f28d7272f21271d60) )
ROM_LOAD( "c2", 0x1000, 0x1000, CRC(9ab1a0fa) SHA1(519cf67b98e62b2b42232788ba01ab6637880afc) )
ROM_LOAD( "c3", 0x2000, 0x1000, CRC(bb29e100) SHA1(93e3cfcf7f8b0b36327f402d9a64c04c3b2c7549) )
ROM_LOAD( "c4", 0x3000, 0x1000, CRC(c63d8f97) SHA1(9f08fd1cd24a1fb4011864c06580985e009d9af4) )
ROM_LOAD( "c5", 0x4000, 0x1000, CRC(4d593942) SHA1(30cc649a4be3d7f3705f55d8d0dadb0b63d59ec9) )
ROM_LOAD( "c6", 0x5000, 0x1000, CRC(fb576963) SHA1(5bf5c54a7c12aa55272629c12b414bf49cda0f1f) )
ROM_LOAD( "c7", 0x6000, 0x1000, CRC(2b8c4511) SHA1(428a48d6b14455d66720a115bc5f35293dc50de7) )
ROM_LOAD( "c8", 0x7000, 0x1000, CRC(51cc22a7) SHA1(f614368bfee04f084c70bf145801ac46e5631acb) )
ROM_REGION( 0x10000, "audiocpu", 0 )
ROM_LOAD( "c15", 0x0000, 0x1000, CRC(7d7779d1) SHA1(f8f5246be4cc9632076d3330fc3d3343b911dfee) )
ROM_REGION( 0x2000, "gfx1", 0 )
ROM_LOAD( "c9", 0x0000, 0x1000, CRC(2accb821) SHA1(ce2804536fc1abd3377dc864c8c9976ca28c1b6e) )
ROM_LOAD( "c10", 0x1000, 0x1000, CRC(75ddbe56) SHA1(5e1363967a822265618793ccb74bf3ef5e0e00b5) )
ROM_REGION( 0x4000, "gfx2", 0 )
ROM_LOAD( "c11", 0x0000, 0x1000, CRC(d90cd126) SHA1(7ee110cf19b45ee654016ba0ce92f3db6ea2ed92) )
ROM_LOAD( "c12", 0x1000, 0x1000, CRC(b3bb39d7) SHA1(89c901be6fae2356ce4d2653e94bf28d6bcf41fe) )
ROM_LOAD( "c13", 0x2000, 0x1000, CRC(3004010b) SHA1(00d5d2185014159112eb90d8ed50092a3b4ab664) )
ROM_LOAD( "c14", 0x3000, 0x1000, CRC(fb5f0d31) SHA1(7a27af91efc836bb48c6ed3b283b7c5f7b31c4b5) )
ROM_REGION( 0x0040, "proms", 0 )
ROM_LOAD( "c.d19", 0x0000, 0x0020, CRC(220bceeb) SHA1(46b9f867d014596e2aa7503f104dc721965f0ed5) )
ROM_LOAD( "c.d18", 0x0020, 0x0020, CRC(7b9ed1b0) SHA1(ec5e1f56e5a2fc726083866c08ac0e1de0ed6ace) )
ROM_END
/*************************************
*
* Game driver
*
*************************************/
GAME( 1983, carjmbre, 0, carjmbre, carjmbre, 0, ROT90, "Omori Electric Co., Ltd.", "Car Jamboree", GAME_IMPERFECT_COLORS | GAME_SUPPORTS_SAVE )
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