diff options
Diffstat (limited to 'src/mame/drivers/arcadecl.c')
-rw-r--r-- | src/mame/drivers/arcadecl.c | 435 |
1 files changed, 435 insertions, 0 deletions
diff --git a/src/mame/drivers/arcadecl.c b/src/mame/drivers/arcadecl.c new file mode 100644 index 00000000000..5db34be5d14 --- /dev/null +++ b/src/mame/drivers/arcadecl.c @@ -0,0 +1,435 @@ +/*************************************************************************** + + 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 ) |