/***************************************************************************
Atari Arcade Classics hardware (prototypes)
driver by Aaron Giles
Games supported:
* Arcade Classics (1992)
* Sparkz (1982)
Known bugs:
* none at this time
****************************************************************************
Memory map
****************************************************************************
========================================================================
MAIN CPU
========================================================================
000000-0FFFFF R xxxxxxxx xxxxxxxx Program ROM
200000-21FFFF R/W xxxxxxxx xxxxxxxx Playfield RAM (512x256 pixels)
R/W xxxxxxxx -------- (Left pixel)
R/W -------- xxxxxxxx (Right pixel)
3C0000-3C01FF R/W xxxxxxxx xxxxxxxx Playfield palette RAM (256 entries)
R/W x------- -------- (RGB 1 LSB)
R/W -xxxxx-- -------- (Red 5 MSB)
R/W ------xx xxx----- (Green 5 MSB)
R/W -------- ---xxxxx (Blue 5 MSB)
3C0200-3C03FF R/W xxxxxxxx xxxxxxxx Motion object palette RAM (256 entries)
3C0400-3C07FF R/W xxxxxxxx xxxxxxxx Extra palette RAM (512 entries)
3E0000-3E07FF R/W xxxxxxxx xxxxxxxx Motion object RAM (256 entries x 4 words)
R/W -------- xxxxxxxx (0: Link to next object)
R/W x------- -------- (1: Horizontal flip)
R/W -xxxxxxx xxxxxxxx (1: Tile index)
R/W xxxxxxxx x------- (2: X position)
R/W -------- ----xxxx (2: Palette select)
R/W xxxxxxxx x------- (3: Y position)
R/W -------- -xxx---- (3: Number of X tiles - 1)
R/W -------- -----xxx (3: Number of Y tiles - 1)
3E0800-3EFFFF R/W xxxxxxxx xxxxxxxx Extra sprite RAM
640000 R xxxxxxxx -------- Input port 1
640002 R xxxxxxxx -------- Input port 2
640010 R -------- xx------ Status port
R -------- x------- (VBLANK)
R -------- -x------ (Self test)
640012 R -------- --xx--xx Coin inputs
R -------- --xx---- (Service coins)
R -------- ------xx (Coin switches)
640020-640027 R -------- xxxxxxxx Analog inputs
640040 W -------- x--xxxxx Sound control
W -------- x------- (ADPCM bank select)
W -------- ---xxxxx (Volume)
640060 W -------- -------- EEPROM enable
641000-641FFF R/W -------- xxxxxxxx EEPROM
642000-642001 R/W xxxxxxxx -------- MSM6295 communications
646000 W -------- -------- 32V IRQ acknowledge
647000 W -------- -------- Watchdog reset
========================================================================
Interrupts:
IRQ4 = 32V
========================================================================
****************************************************************************/
#include "driver.h"
#include "machine/atarigen.h"
#include "arcadecl.h"
#include "sound/okim6295.h"
/*************************************
*
* Interrupt handling
*
*************************************/
static void update_interrupts(void)
{
int newstate = 0;
if (atarigen_scanline_int_state)
newstate = 4;
if (newstate)
cpunum_set_input_line(0, newstate, ASSERT_LINE);
else
cpunum_set_input_line(0, 7, CLEAR_LINE);
}
static void scanline_update(running_machine *machine, int scrnum, int scanline)
{
/* generate 32V signals */
if ((scanline & 32) == 0)
atarigen_scanline_int_gen();
}
/*************************************
*
* Initialization
*
*************************************/
static MACHINE_RESET( arcadecl )
{
atarigen_eeprom_reset();
atarigen_interrupt_reset(update_interrupts);
atarigen_scanline_timer_reset(0, scanline_update, 32);
}
/*************************************
*
* MSM6295 I/O
*
*************************************/
static READ16_HANDLER( adpcm_r )
{
return (OKIM6295_status_0_r(offset) << 8) | 0x00ff;
}
static WRITE16_HANDLER( adpcm_w )
{
if (ACCESSING_MSB)
OKIM6295_data_0_w(offset, (data >> 8) & 0xff);
}
/*************************************
*
* Latch write
*
*************************************/
static WRITE16_HANDLER( latch_w )
{
/* bit layout in this register:
0x0080 == ADPCM bank
0x001F == volume
*/
/* lower byte being modified? */
if (ACCESSING_LSB)
{
OKIM6295_set_bank_base(0, (data & 0x80) ? 0x40000 : 0x00000);
atarigen_set_oki6295_vol(Machine, (data & 0x001f) * 100 / 0x1f);
}
}
/*************************************
*
* Main CPU memory handlers
*
*************************************/
static ADDRESS_MAP_START( main_map, ADDRESS_SPACE_PROGRAM, 16 )
AM_RANGE(0x000000, 0x0fffff) AM_ROM
AM_RANGE(0x200000, 0x21ffff) AM_READWRITE(MRA16_RAM, rampart_bitmap_w) AM_BASE(&rampart_bitmap)
AM_RANGE(0x3c0000, 0x3c07ff) AM_READWRITE(MRA16_RAM, atarigen_expanded_666_paletteram_w) AM_BASE(&paletteram16)
AM_RANGE(0x3e0000, 0x3e07ff) AM_READWRITE(MRA16_RAM, atarimo_0_spriteram_w) AM_BASE(&atarimo_0_spriteram)
AM_RANGE(0x3e0800, 0x3effbf) AM_RAM
AM_RANGE(0x3effc0, 0x3effff) AM_READWRITE(MRA16_RAM, atarimo_0_slipram_w) AM_BASE(&atarimo_0_slipram)
AM_RANGE(0x640000, 0x640001) AM_READ(input_port_0_word_r)
AM_RANGE(0x640002, 0x640003) AM_READ(input_port_1_word_r)
AM_RANGE(0x640010, 0x640011) AM_READ(input_port_2_word_r)
AM_RANGE(0x640012, 0x640013) AM_READ(input_port_3_word_r)
AM_RANGE(0x640020, 0x640021) AM_READ(input_port_4_word_r)
AM_RANGE(0x640022, 0x640023) AM_READ(input_port_5_word_r)
AM_RANGE(0x640024, 0x640025) AM_READ(input_port_6_word_r)
AM_RANGE(0x640026, 0x640027) AM_READ(input_port_7_word_r)
AM_RANGE(0x640040, 0x64004f) AM_WRITE(latch_w)
AM_RANGE(0x640060, 0x64006f) AM_WRITE(atarigen_eeprom_enable_w)
AM_RANGE(0x641000, 0x641fff) AM_READWRITE(atarigen_eeprom_r, atarigen_eeprom_w) AM_BASE(&atarigen_eeprom) AM_SIZE(&atarigen_eeprom_size)
AM_RANGE(0x642000, 0x642001) AM_READWRITE(adpcm_r, adpcm_w)
AM_RANGE(0x646000, 0x646fff) AM_WRITE(atarigen_scanline_int_ack_w)
AM_RANGE(0x647000, 0x647fff) AM_WRITE(watchdog_reset16_w)
ADDRESS_MAP_END
/*************************************
*
* Port definitions
*
*************************************/
static INPUT_PORTS_START( arcadecl )
PORT_START_TAG("640000")
PORT_BIT( 0x00ff, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1)
PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
PORT_BIT( 0xf000, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START_TAG("640002")
PORT_BIT( 0x00ff, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_START2 )
PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2)
PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
PORT_BIT( 0xf000, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START_TAG("640010")
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_SERVICE( 0x0040, IP_ACTIVE_LOW )
PORT_BIT( 0x0080, IP_ACTIVE_HIGH, IPT_VBLANK )
PORT_BIT( 0xff00, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START_TAG("640012")
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_COIN2 )
PORT_BIT( 0x000c, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_SERVICE )
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_SERVICE )
PORT_BIT( 0xffc0, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START_TAG("640020")
PORT_BIT( 0x00ff, 0, IPT_TRACKBALL_X ) PORT_SENSITIVITY(50) PORT_KEYDELTA(32) PORT_CODE_DEC(KEYCODE_UP) PORT_CODE_INC(KEYCODE_DOWN) PORT_REVERSE PORT_PLAYER(2)
PORT_BIT( 0xff00, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START_TAG("640022")
PORT_BIT( 0x00ff, 0, IPT_TRACKBALL_Y ) PORT_SENSITIVITY(50) PORT_KEYDELTA(32) PORT_PLAYER(2)
PORT_BIT( 0xff00, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START_TAG("640024")
PORT_BIT( 0x00ff, 0, IPT_TRACKBALL_X ) PORT_SENSITIVITY(50) PORT_KEYDELTA(32) PORT_REVERSE PORT_PLAYER(1)
PORT_BIT( 0xff00, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START_TAG("640026")
PORT_BIT( 0x00ff, 0, IPT_TRACKBALL_Y ) PORT_SENSITIVITY(50) PORT_KEYDELTA(32) PORT_PLAYER(1)
PORT_BIT( 0xff00, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END
static INPUT_PORTS_START( sparkz )
PORT_START_TAG("640000")
PORT_BIT( 0x00ff, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1)
PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1)
PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1)
PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1)
PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1)
PORT_START_TAG("640002")
PORT_BIT( 0x00ff, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_START2 )
PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2)
PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2)
PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2)
PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2)
PORT_START_TAG("640010")
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_SERVICE( 0x0040, IP_ACTIVE_LOW )
PORT_BIT( 0x0080, IP_ACTIVE_HIGH, IPT_VBLANK )
PORT_BIT( 0xff00, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START_TAG("640012")
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_COIN2 )
PORT_BIT( 0x000c, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_SERVICE )
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_SERVICE )
PORT_BIT( 0xffc0, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START_TAG("640020")
PORT_BIT( 0xffff, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START_TAG("640022")
PORT_BIT( 0xffff, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START_TAG("640024")
PORT_BIT( 0xffff, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START_TAG("640026")
PORT_BIT( 0xffff, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END
/*************************************
*
* Graphics definitions
*
*************************************/
static const gfx_layout molayout =
{
8,8,
RGN_FRAC(1,1),
4,
{ 0, 1, 2, 3 },
{ 0, 4, 8, 12, 16, 20, 24, 28 },
{ 0*8, 4*8, 8*8, 12*8, 16*8, 20*8, 24*8, 28*8 },
32*8
};
static GFXDECODE_START( arcadecl )
GFXDECODE_ENTRY( REGION_GFX1, 0, molayout, 256, 16 )
GFXDECODE_END
/*************************************
*
* Machine driver
*
*************************************/
static MACHINE_DRIVER_START( arcadecl )
/* basic machine hardware */
MDRV_CPU_ADD(M68000, ATARI_CLOCK_14MHz)
MDRV_CPU_PROGRAM_MAP(main_map,0)
MDRV_CPU_VBLANK_INT(atarigen_video_int_gen,1)
MDRV_MACHINE_RESET(arcadecl)
MDRV_NVRAM_HANDLER(atarigen)
/* video hardware */
MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER | VIDEO_UPDATE_BEFORE_VBLANK)
MDRV_GFXDECODE(arcadecl)
MDRV_PALETTE_LENGTH(512)
MDRV_SCREEN_ADD("main", 0)
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
/* note: these parameters are from published specs, not derived */
/* the board uses an SOS-2 chip to generate video signals */
MDRV_SCREEN_RAW_PARAMS(ATARI_CLOCK_14MHz/2, 456, 0+4, 336+4, 262, 0, 240)
MDRV_VIDEO_START(arcadecl)
MDRV_VIDEO_UPDATE(arcadecl)
/* sound hardware */
MDRV_SPEAKER_STANDARD_MONO("mono")
MDRV_SOUND_ADD(OKIM6295, ATARI_CLOCK_14MHz/4/3)
MDRV_SOUND_CONFIG(okim6295_interface_region_1_pin7low)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_DRIVER_END
/*************************************
*
* ROM definition(s)
*
*************************************/
ROM_START( arcadecl )
ROM_REGION( 0x100000, REGION_CPU1, 0 )
ROM_LOAD16_BYTE( "pgm0", 0x00000, 0x80000, CRC(b5b93623) SHA1(a2e96c0c6eceb3d8f205e28d6b8197055aeb8cc4) )
ROM_LOAD16_BYTE( "prog1", 0x00001, 0x80000, CRC(e7efef85) SHA1(05f2119d8ecc27f6efea85f5174ea7da404d7e9b) )
ROM_REGION( 0x80000, REGION_GFX1, ROMREGION_DISPOSE | ROMREGION_INVERT )
ROM_LOAD( "atcl_mob", 0x00000, 0x80000, CRC(0e9b3930) SHA1(51a449b79235d6ca5189e671399acff72a2d3dc8) )
ROM_REGION( 0x80000, REGION_SOUND1, 0 )
ROM_LOAD( "adpcm", 0x00000, 0x80000, CRC(03ca7f03) SHA1(87ff53599b6f0cdfa5a1779773e09cc5cfe3c2a8) )
ROM_END
ROM_START( sparkz )
ROM_REGION( 0x100000, REGION_CPU1, 0 )
ROM_LOAD16_BYTE( "sparkzpg.0", 0x00000, 0x80000, CRC(a75c331c) SHA1(855ed44bd23c1dd0ca64926cacc8be62aca82fe2) )
ROM_LOAD16_BYTE( "sparkzpg.1", 0x00001, 0x80000, CRC(1af1fc04) SHA1(6d92edb1a881ba6b63e0144c9c3e631b654bf8ae) )
ROM_REGION( 0x20, REGION_GFX1, ROMREGION_DISPOSE )
/* empty */
ROM_REGION( 0x80000, REGION_SOUND1, 0 )
ROM_LOAD( "sparkzsn", 0x00000, 0x80000, CRC(87097ce2) SHA1(dc4d199b5af692d111c087af3edc01e2ac0287a8) )
ROM_END
/*************************************
*
* Driver initialization
*
*************************************/
static DRIVER_INIT( arcadecl )
{
atarigen_eeprom_default = NULL;
}
static DRIVER_INIT( sparkz )
{
atarigen_eeprom_default = NULL;
memset(memory_region(REGION_GFX1), 0, memory_region_length(REGION_GFX1));
}
/*************************************
*
* Game driver(s)
*
*************************************/
GAME( 1992, arcadecl, 0, arcadecl, arcadecl, arcadecl, ROT0, "Atari Games", "Arcade Classics (prototype)", 0 )
GAME( 1992, sparkz, 0, arcadecl, sparkz, sparkz, ROT0, "Atari Games", "Sparkz (prototype)", 0 )