/***************************************************************************
Taito Super Rider driver
driver by Aaron Giles
Games supported:
* Super Rider
Known issues:
* clocks on sound chips and CPU not verified yet
* the board seems to contain a discrete sound portion
Questions:
* there appears to be a second color bank for the tilemaps, where
is it used, and how is it activated (if at all)?
* what are the writes to $08DB and $08E8 for?
(guess: a discrete sound effect)
****************************************************************************
PCB Layout
----------
Top board
REF. SR-8327A-B
|----------------------------------------------------------------|
| SR-11 |
| |
| DIPSW SR-10 |
| |
| |
| |
| NE555 |
| NEC-D780C |
| AY-3-8910 |
| |
| AY-3-8910 |
| SR-09 HM6116 SR-06 SR-03 |
| NEC-D780C |
| SR-08 SR-05 SR-02 |
| |
| ?.000MHz SR-07 SR-04 SR-01 |
|----------------------------------------------------------------|
Bottom board
REF. SR-8327B-B
|----------------------------------------------------------------|
| |
| SR-12 |
| |
| SR-13 |
| |
| SR-14 |
| SR-15 |
| |
| SR-16 |
| |
| SR-17 |
| |
| M58725P |
| |
| |
| 18.432MHz |
|----------------------------------------------------------------|
Epoxy module (exact layout unknown)
REF. ???
|-------------------------------|
| |
| 1 2 3 |
| |
|-------------------------------|
***************************************************************************/
#include "emu.h"
#include "cpu/z80/z80.h"
#include "includes/suprridr.h"
#include "sound/ay8910.h"
/*************************************
*
* Interrupt generation
*
*************************************/
static WRITE8_HANDLER( nmi_enable_w )
{
suprridr_state *state = space->machine().driver_data<suprridr_state>();
state->m_nmi_enable = data;
}
static INTERRUPT_GEN( main_nmi_gen )
{
suprridr_state *state = device->machine().driver_data<suprridr_state>();
if (state->m_nmi_enable)
device_set_input_line(device, INPUT_LINE_NMI, PULSE_LINE);
}
/*************************************
*
* Sound CPU communication
*
*************************************/
static TIMER_CALLBACK( delayed_sound_w )
{
suprridr_state *state = machine.driver_data<suprridr_state>();
state->m_sound_data = param;
cputag_set_input_line(machine, "audiocpu", 0, ASSERT_LINE);
}
static WRITE8_HANDLER( sound_data_w )
{
space->machine().scheduler().synchronize(FUNC(delayed_sound_w), data);
}
static READ8_DEVICE_HANDLER( sound_data_r )
{
suprridr_state *state = device->machine().driver_data<suprridr_state>();
return state->m_sound_data;
}
static WRITE8_HANDLER( sound_irq_ack_w )
{
cputag_set_input_line(space->machine(), "audiocpu", 0, CLEAR_LINE);
}
/*************************************
*
* Misc handlers
*
*************************************/
static WRITE8_HANDLER( coin_lock_w )
{
/* cleared when 9 credits are hit, but never reset! */
/* coin_lockout_global_w(space->machine(), ~data & 1); */
}
/*************************************
*
* Main CPU memory handlers
*
*************************************/
static ADDRESS_MAP_START( main_map, AS_PROGRAM, 8 )
AM_RANGE(0x0000, 0x7fff) AM_ROM
AM_RANGE(0x8000, 0x87ff) AM_RAM
AM_RANGE(0x8800, 0x8bff) AM_RAM_WRITE(suprridr_bgram_w) AM_BASE_MEMBER(suprridr_state, m_bgram)
AM_RANGE(0x9000, 0x97ff) AM_RAM_WRITE(suprridr_fgram_w) AM_BASE_MEMBER(suprridr_state, m_fgram)
AM_RANGE(0x9800, 0x983f) AM_RAM
AM_RANGE(0x9840, 0x987f) AM_RAM AM_BASE_MEMBER(suprridr_state, m_spriteram)
AM_RANGE(0x9880, 0x9bff) AM_RAM
AM_RANGE(0xa000, 0xa000) AM_READ_PORT("INPUTS")
AM_RANGE(0xa800, 0xa800) AM_READ_PORT("SYSTEM")
AM_RANGE(0xb000, 0xb000) AM_READ_PORT("DSW") AM_WRITE(nmi_enable_w)
AM_RANGE(0xb002, 0xb003) AM_WRITE(coin_lock_w)
AM_RANGE(0xb006, 0xb006) AM_WRITE(suprridr_flipx_w)
AM_RANGE(0xb007, 0xb007) AM_WRITE(suprridr_flipy_w)
AM_RANGE(0xb800, 0xb800) AM_WRITE(sound_data_w)
AM_RANGE(0xc801, 0xc801) AM_WRITE(suprridr_fgdisable_w)
AM_RANGE(0xc802, 0xc802) AM_WRITE(suprridr_fgscrolly_w)
AM_RANGE(0xc804, 0xc804) AM_WRITE(suprridr_bgscrolly_w)
AM_RANGE(0xc000, 0xefff) AM_ROM
ADDRESS_MAP_END
static ADDRESS_MAP_START( main_portmap, AS_IO, 8 )
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x00, 0x00) AM_READ(watchdog_reset_r)
ADDRESS_MAP_END
/*************************************
*
* Sound CPU memory handlers
*
*************************************/
static ADDRESS_MAP_START( sound_map, AS_PROGRAM, 8 )
AM_RANGE(0x0000, 0x0fff) AM_ROM
AM_RANGE(0x3800, 0x3bff) AM_RAM
ADDRESS_MAP_END
static ADDRESS_MAP_START( sound_portmap, AS_IO, 8 )
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x00, 0x00) AM_WRITE(sound_irq_ack_w)
AM_RANGE(0x8c, 0x8d) AM_DEVWRITE("ay1", ay8910_address_data_w)
AM_RANGE(0x8d, 0x8d) AM_DEVREAD("ay1", ay8910_r)
AM_RANGE(0x8e, 0x8f) AM_DEVWRITE("ay2", ay8910_address_data_w)
AM_RANGE(0x8f, 0x8f) AM_DEVREAD("ay2", ay8910_r)
ADDRESS_MAP_END
/*************************************
*
* Port definitions and helpers
*
*************************************/
#define SUPRRIDR_P1_CONTROL_PORT_TAG ("CONTP1")
#define SUPRRIDR_P2_CONTROL_PORT_TAG ("CONTP2")
static CUSTOM_INPUT( suprridr_control_r )
{
UINT32 ret;
/* screen flip multiplexes controls */
if (suprridr_is_screen_flipped(field.machine()))
ret = input_port_read(field.machine(), SUPRRIDR_P2_CONTROL_PORT_TAG);
else
ret = input_port_read(field.machine(), SUPRRIDR_P1_CONTROL_PORT_TAG);
return ret;
}
static INPUT_PORTS_START( suprridr )
PORT_START("INPUTS")
PORT_BIT( 0xff, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM(suprridr_control_r, NULL)
PORT_START("SYSTEM")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_SERVICE1 )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_START1 )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_START2 )
PORT_BIT( 0xf0, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_START("DSW")
PORT_DIPNAME( 0x07, 0x01, DEF_STR( Coinage ) )
PORT_DIPSETTING( 0x00, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x01, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x02, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x03, DEF_STR( 1C_3C ) )
PORT_DIPSETTING( 0x04, DEF_STR( 1C_4C ) )
PORT_DIPSETTING( 0x05, DEF_STR( 1C_5C ) )
PORT_DIPSETTING( 0x06, DEF_STR( 1C_6C ) )
PORT_DIPSETTING( 0x07, DEF_STR( 1C_7C ) )
PORT_DIPNAME( 0x18, 0x00, "Timer Speed" )
PORT_DIPSETTING( 0x18, "Slow" )
PORT_DIPSETTING( 0x10, DEF_STR( Medium ) )
PORT_DIPSETTING( 0x08, "Fast" )
PORT_DIPSETTING( 0x00, "Fastest" )
PORT_DIPNAME( 0x20, 0x00, "Bonus" )
PORT_DIPSETTING( 0x00, "200k" )
PORT_DIPSETTING( 0x20, "400k" )
PORT_DIPNAME( 0x40, 0x00, DEF_STR( Cabinet ) )
PORT_DIPSETTING( 0x00, DEF_STR( Upright ) )
PORT_DIPSETTING( 0x40, DEF_STR( Cocktail ) )
PORT_DIPNAME( 0x80, 0x00, "Invulnerability?" )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x80, DEF_STR( On ) )
PORT_START(SUPRRIDR_P1_CONTROL_PORT_TAG)
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_2WAY
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_2WAY
PORT_BIT( 0x0c, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 )
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON2 )
PORT_BIT( 0xc0, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_START(SUPRRIDR_P2_CONTROL_PORT_TAG)
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_2WAY PORT_COCKTAIL
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_2WAY PORT_COCKTAIL
PORT_BIT( 0x0c, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_COCKTAIL
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_COCKTAIL
PORT_BIT( 0xc0, IP_ACTIVE_HIGH, IPT_UNKNOWN )
INPUT_PORTS_END
/*************************************
*
* Graphics layouts
*
*************************************/
static const gfx_layout charlayout =
{
8,8,
RGN_FRAC(1,2),
4,
{ RGN_FRAC(1,2),RGN_FRAC(1,2)+4, 0,4 },
{ STEP4(0,1), STEP4(8,1) },
{ STEP8(0,16) },
8*8*2
};
static const gfx_layout spritelayout =
{
16,16,
RGN_FRAC(1,3),
3,
{ RGN_FRAC(0,3), RGN_FRAC(1,3), RGN_FRAC(2,3) },
{ STEP8(0,1), STEP8(8*8,1) },
{ STEP8(0,8), STEP8(8*8*2,8) },
16*16
};
static GFXDECODE_START( suprridr )
GFXDECODE_ENTRY( "gfx1", 0, charlayout, 0, 2 )
GFXDECODE_ENTRY( "gfx2", 0, charlayout, 32, 2 )
GFXDECODE_ENTRY( "gfx3", 0, spritelayout, 64, 2 )
GFXDECODE_END
/*************************************
*
* Sound interfaces
*
*************************************/
static const ay8910_interface ay8910_config =
{
AY8910_LEGACY_OUTPUT,
AY8910_DEFAULT_LOADS,
DEVCB_HANDLER(sound_data_r),
DEVCB_NULL,
DEVCB_NULL,
DEVCB_NULL
};
/*************************************
*
* Machine driver
*
*************************************/
static MACHINE_CONFIG_START( suprridr, suprridr_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", Z80, XTAL_49_152MHz/16) /* 3 MHz */
MCFG_CPU_PROGRAM_MAP(main_map)
MCFG_CPU_IO_MAP(main_portmap)
MCFG_CPU_VBLANK_INT("screen", main_nmi_gen)
MCFG_CPU_ADD("audiocpu", Z80, 10000000/4) /* 2.5 MHz */
MCFG_CPU_PROGRAM_MAP(sound_map)
MCFG_CPU_IO_MAP(sound_portmap)
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
MCFG_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MCFG_SCREEN_SIZE(32*8, 32*8)
MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
MCFG_SCREEN_UPDATE(suprridr)
MCFG_GFXDECODE(suprridr)
MCFG_PALETTE_LENGTH(96)
MCFG_PALETTE_INIT(suprridr)
MCFG_VIDEO_START(suprridr)
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("ay1", AY8910, XTAL_49_152MHz/32)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
MCFG_SOUND_ADD("ay2", AY8910, XTAL_49_152MHz/32)
MCFG_SOUND_CONFIG(ay8910_config)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
MACHINE_CONFIG_END
/*************************************
*
* ROM definitions
*
*************************************/
ROM_START( suprridr )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD( "sr8", 0x0000, 0x1000, CRC(4a1f0a6c) SHA1(cabdeafa3b9828d7a6e056fb037abb90484bb33a) )
ROM_LOAD( "sr7", 0x1000, 0x1000, CRC(523ee717) SHA1(dd2a53a56b0f29b4d02c4207a7260b345cab0074) )
ROM_LOAD( "sr4", 0x2000, 0x1000, CRC(300370ae) SHA1(bf43d800e1b2a5353625c1012d22df6419292d7d) )
ROM_LOAD( "sr5", 0x3000, 0x1000, CRC(c5bca683) SHA1(4ebb1eb9dc72128286d60fce8b5c323adb25d332) )
ROM_LOAD( "sr6", 0x4000, 0x1000, CRC(563bab28) SHA1(47dd5de9826360ccdf2df6866b0799a0390dd939) )
ROM_LOAD( "sr3", 0x5000, 0x1000, CRC(4b9d2ec5) SHA1(773d53be5a3797c6c16ea8260f03c8e8272b2c32) )
ROM_LOAD( "sr2", 0x6000, 0x1000, CRC(6fe18e1d) SHA1(9b247d2ab7bfddaa3cfdb5f034100881317e09a8) )
ROM_LOAD( "sr1", 0x7000, 0x1000, CRC(f2ae64b3) SHA1(fd1878c7f1554e257a190084950a3bcf4b68a28e) )
ROM_LOAD( "1", 0xc000, 0x1000, CRC(caf12fa2) SHA1(ff3f68cfb7817841cff1de6f78c9ee3d57b12db6) )
ROM_LOAD( "2", 0xd000, 0x1000, CRC(2b3c638e) SHA1(af397cc9137888ccc503aff1b3554744a2327a4c) )
ROM_LOAD( "3", 0xe000, 0x1000, CRC(2abdb5f4) SHA1(3003b3f5e70712339bf0d88e45ca0dd7ca8cf7d0) )
ROM_REGION( 0x10000, "audiocpu", 0 )
ROM_LOAD( "sr9", 0x0000, 0x1000, CRC(1c5dba78) SHA1(c2232221ae9960295055fcf1bd75d798136e694c) )
ROM_REGION( 0x2000, "gfx1", 0 )
ROM_LOAD( "sr10", 0x0000, 0x1000, CRC(a57ac8d0) SHA1(1d4424dcbecb75b0e3e4ef5d296e252e7e9056ff) )
ROM_LOAD( "sr11", 0x1000, 0x1000, CRC(aa7ec7b2) SHA1(bbc6a1022c15ffbf0f6f9828674c8c9947e7ea5a) )
ROM_REGION( 0x2000, "gfx2", 0 )
ROM_LOAD( "sr15", 0x0000, 0x1000, CRC(744f3405) SHA1(4df5932e15e68ba10f8b13ed5a59cc7d54af7b80) )
ROM_LOAD( "sr16", 0x1000, 0x1000, CRC(3e1a876b) SHA1(15b1c40c4a6e8e3e4702699396ce0885027ab6d1) )
ROM_REGION( 0x3000, "gfx3", 0 )
ROM_LOAD( "sr12", 0x0000, 0x1000, CRC(81494fe8) SHA1(056de41952e6fd564ecc0ecb718caf467c03bfed) )
ROM_LOAD( "sr13", 0x1000, 0x1000, CRC(63e94648) SHA1(05fdd285f6040aa349082845fcadd6bfbd2da2f5) )
ROM_LOAD( "sr14", 0x2000, 0x1000, CRC(277a70af) SHA1(2235b369f1a30443f058bfe895b0d2dd294b587c) )
ROM_REGION( 0x0060, "proms", 0 )
ROM_LOAD( "clr.1b", 0x0000, 0x0020, CRC(87a79fe8) SHA1(b0e982cfd7c2c8669841cf26625cd0912f4038f3) )
ROM_LOAD( "clr.9c", 0x0020, 0x0020, CRC(10d63240) SHA1(74b1c53dacb5d30cd4cf189dda6b452d88dd22f3) )
ROM_LOAD( "clr.8a", 0x0040, 0x0020, CRC(917eabcd) SHA1(df417ca42a4e9e7d32b443e73efaaf395f31e44a) )
ROM_END
/*************************************
*
* Game drivers
*
*************************************/
GAME( 1983, suprridr, 0, suprridr, suprridr, 0, ROT90, "Venture Line (Taito Corporation license)", "Super Rider", GAME_IMPERFECT_SOUND )