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26d1e3868a
mame/src/mame/drivers/atarig42.c
Aaron Giles 26d1e3868a Some more atari driver shuffling. Added atarigen_init() function 
which allocates all timers and registers for save states.
Updated all drivers to call it. Converted some drivers to use
device timers.
2009-12-15 05:41:34 +00:00

789 lines
30 KiB
C
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/***************************************************************************
Atari G42 hardware
driver by Aaron Giles
Games supported:
* Road Riot 4WD (1991)
* Guardians of the 'Hood (1992)
Known bugs:
* ASIC65 for Road Riot not quite perfect
****************************************************************************
Memory map (TBA)
***************************************************************************/
#include "driver.h"
#include "cpu/m68000/m68000.h"
#include "machine/asic65.h"
#include "audio/atarijsa.h"
#include "video/atarirle.h"
#include "atarig42.h"
/*************************************
*
* Initialization & interrupts
*
*************************************/
static void update_interrupts(running_machine *machine)
{
atarig42_state *state = (atarig42_state *)machine->driver_data;
cputag_set_input_line(machine, "maincpu", 4, state->atarigen.video_int_state ? ASSERT_LINE : CLEAR_LINE);
cputag_set_input_line(machine, "maincpu", 5, state->atarigen.sound_int_state ? ASSERT_LINE : CLEAR_LINE);
}
static MACHINE_START( atarig42 )
{
atarig42_state *state = (atarig42_state *)machine->driver_data;
atarigen_init(machine);
state_save_register_global(machine, state->analog_data);
state_save_register_global(machine, state->sloop_bank);
state_save_register_global(machine, state->sloop_next_bank);
state_save_register_global(machine, state->sloop_offset);
state_save_register_global(machine, state->sloop_state);
}
static MACHINE_RESET( atarig42 )
{
atarig42_state *state = (atarig42_state *)machine->driver_data;
atarigen_eeprom_reset(&state->atarigen);
atarigen_interrupt_reset(&state->atarigen, update_interrupts);
atarigen_scanline_timer_reset(machine->primary_screen, atarig42_scanline_update, 8);
atarijsa_reset();
}
/*************************************
*
* I/O read dispatch.
*
*************************************/
static READ16_HANDLER( special_port2_r )
{
atarig42_state *state = (atarig42_state *)space->machine->driver_data;
int temp = input_port_read(space->machine, "IN2");
if (state->atarigen.cpu_to_sound_ready) temp ^= 0x0020;
if (state->atarigen.sound_to_cpu_ready) temp ^= 0x0010;
temp ^= 0x0008; /* A2D.EOC always high for now */
return temp;
}
static WRITE16_HANDLER( a2d_select_w )
{
static const char *const portnames[] = { "A2D0", "A2D1" };
atarig42_state *state = (atarig42_state *)space->machine->driver_data;
state->analog_data = input_port_read(space->machine, portnames[offset != 0]);
}
static READ16_HANDLER( a2d_data_r )
{
atarig42_state *state = (atarig42_state *)space->machine->driver_data;
return state->analog_data << 8;
}
static WRITE16_HANDLER( io_latch_w )
{
/* upper byte */
if (ACCESSING_BITS_8_15)
{
/* bit 14 controls the ASIC65 reset line */
asic65_reset(space->machine, (~data >> 14) & 1);
/* bits 13-11 are the MO control bits */
atarirle_control_w(space->machine, 0, (data >> 11) & 7);
}
/* lower byte */
if (ACCESSING_BITS_0_7)
{
/* bit 4 resets the sound CPU */
cputag_set_input_line(space->machine, "jsa", INPUT_LINE_RESET, (data & 0x10) ? CLEAR_LINE : ASSERT_LINE);
if (!(data & 0x10)) atarijsa_reset();
/* bit 5 is /XRESET, probably related to the ASIC */
/* bits 3 and 0 are coin counters */
}
}
static WRITE16_HANDLER( mo_command_w )
{
atarig42_state *state = (atarig42_state *)space->machine->driver_data;
COMBINE_DATA(state->mo_command);
atarirle_command_w(0, (data == 0) ? ATARIRLE_COMMAND_CHECKSUM : ATARIRLE_COMMAND_DRAW);
}
/*************************************
*
* SLOOP banking -- Road Riot
*
*************************************/
static DIRECT_UPDATE_HANDLER( sloop_direct_handler )
{
atarig42_state *state = (atarig42_state *)space->machine->driver_data;
if (address < 0x80000)
{
direct->raw = direct->decrypted = (UINT8 *)state->sloop_base;
return (offs_t)-1;
}
return address;
}
static void roadriot_sloop_tweak(atarig42_state *state, int offset)
{
/*
sequence 1:
touch $68000
touch $68eee and $124/$678/$abc/$1024(bank) in the same instruction
touch $69158/$6a690/$6e708/$71166
sequence 2:
touch $5edb4 to add 2 to the bank
touch $5db0a to add 1 to the bank
touch $5f042
touch $69158/$6a690/$6e708/$71166
touch $68000
touch $5d532/$5d534
*/
switch (offset)
{
/* standard 68000 -> 68eee -> (bank) addressing */
case 0x68000/2:
state->sloop_state = 1;
break;
case 0x68eee/2:
if (state->sloop_state == 1)
state->sloop_state = 2;
break;
case 0x00124/2:
if (state->sloop_state == 2)
{
state->sloop_next_bank = 0;
state->sloop_state = 3;
}
break;
case 0x00678/2:
if (state->sloop_state == 2)
{
state->sloop_next_bank = 1;
state->sloop_state = 3;
}
break;
case 0x00abc/2:
if (state->sloop_state == 2)
{
state->sloop_next_bank = 2;
state->sloop_state = 3;
}
break;
case 0x01024/2:
if (state->sloop_state == 2)
{
state->sloop_next_bank = 3;
state->sloop_state = 3;
}
break;
/* lock in the change? */
case 0x69158/2:
/* written if $ff8007 == 0 */
case 0x6a690/2:
/* written if $ff8007 == 1 */
case 0x6e708/2:
/* written if $ff8007 == 2 */
case 0x71166/2:
/* written if $ff8007 == 3 */
if (state->sloop_state == 3)
state->sloop_bank = state->sloop_next_bank;
state->sloop_state = 0;
break;
/* bank offsets */
case 0x5edb4/2:
if (state->sloop_state == 0)
{
state->sloop_state = 10;
state->sloop_offset = 0;
}
state->sloop_offset += 2;
break;
case 0x5db0a/2:
if (state->sloop_state == 0)
{
state->sloop_state = 10;
state->sloop_offset = 0;
}
state->sloop_offset += 1;
break;
/* apply the offset */
case 0x5f042/2:
if (state->sloop_state == 10)
{
state->sloop_bank = (state->sloop_bank + state->sloop_offset) & 3;
state->sloop_offset = 0;
state->sloop_state = 0;
}
break;
/* unknown */
case 0x5d532/2:
break;
case 0x5d534/2:
break;
default:
break;
}
}
static READ16_HANDLER( roadriot_sloop_data_r )
{
atarig42_state *state = (atarig42_state *)space->machine->driver_data;
roadriot_sloop_tweak(state, offset);
if (offset < 0x78000/2)
return state->sloop_base[offset];
else
return state->sloop_base[0x78000/2 + state->sloop_bank * 0x1000 + (offset & 0xfff)];
}
static WRITE16_HANDLER( roadriot_sloop_data_w )
{
atarig42_state *state = (atarig42_state *)space->machine->driver_data;
roadriot_sloop_tweak(state, offset);
}
/*************************************
*
* SLOOP banking -- Guardians
*
*************************************/
static void guardians_sloop_tweak(atarig42_state *state, int offset)
{
static UINT32 last_accesses[8];
if (offset >= 0x7f7c0/2)
{
last_accesses[0] = last_accesses[1];
last_accesses[1] = last_accesses[2];
last_accesses[2] = last_accesses[3];
last_accesses[3] = last_accesses[4];
last_accesses[4] = last_accesses[5];
last_accesses[5] = last_accesses[6];
last_accesses[6] = last_accesses[7];
last_accesses[7] = offset;
if (last_accesses[0] == 0x7f7c0/2 && last_accesses[1] == 0x7f7ce/2 && last_accesses[2] == 0x7f7c2/2 && last_accesses[3] == 0x7f7cc/2 &&
last_accesses[4] == 0x7f7c4/2 && last_accesses[5] == 0x7f7ca/2 && last_accesses[6] == 0x7f7c6/2 && last_accesses[7] == 0x7f7c8/2)
state->sloop_bank = 0;
if (last_accesses[0] == 0x7f7d0/2 && last_accesses[1] == 0x7f7de/2 && last_accesses[2] == 0x7f7d2/2 && last_accesses[3] == 0x7f7dc/2 &&
last_accesses[4] == 0x7f7d4/2 && last_accesses[5] == 0x7f7da/2 && last_accesses[6] == 0x7f7d6/2 && last_accesses[7] == 0x7f7d8/2)
state->sloop_bank = 1;
if (last_accesses[0] == 0x7f7e0/2 && last_accesses[1] == 0x7f7ee/2 && last_accesses[2] == 0x7f7e2/2 && last_accesses[3] == 0x7f7ec/2 &&
last_accesses[4] == 0x7f7e4/2 && last_accesses[5] == 0x7f7ea/2 && last_accesses[6] == 0x7f7e6/2 && last_accesses[7] == 0x7f7e8/2)
state->sloop_bank = 2;
if (last_accesses[0] == 0x7f7f0/2 && last_accesses[1] == 0x7f7fe/2 && last_accesses[2] == 0x7f7f2/2 && last_accesses[3] == 0x7f7fc/2 &&
last_accesses[4] == 0x7f7f4/2 && last_accesses[5] == 0x7f7fa/2 && last_accesses[6] == 0x7f7f6/2 && last_accesses[7] == 0x7f7f8/2)
state->sloop_bank = 3;
}
}
static READ16_HANDLER( guardians_sloop_data_r )
{
atarig42_state *state = (atarig42_state *)space->machine->driver_data;
guardians_sloop_tweak(state, offset);
if (offset < 0x78000/2)
return state->sloop_base[offset];
else
return state->sloop_base[0x78000/2 + state->sloop_bank * 0x1000 + (offset & 0xfff)];
}
static WRITE16_HANDLER( guardians_sloop_data_w )
{
atarig42_state *state = (atarig42_state *)space->machine->driver_data;
guardians_sloop_tweak(state, offset);
}
/*************************************
*
* Main CPU memory handlers
*
*************************************/
static ADDRESS_MAP_START( main_map, ADDRESS_SPACE_PROGRAM, 16 )
AM_RANGE(0x000000, 0x080001) AM_ROM
AM_RANGE(0xe00000, 0xe00001) AM_READ_PORT("IN0")
AM_RANGE(0xe00002, 0xe00003) AM_READ_PORT("IN1")
AM_RANGE(0xe00010, 0xe00011) AM_READ(special_port2_r)
AM_RANGE(0xe00012, 0xe00013) AM_READ_PORT("JSAIII")
AM_RANGE(0xe00020, 0xe00027) AM_READWRITE(a2d_data_r, a2d_select_w)
AM_RANGE(0xe00030, 0xe00031) AM_READ(atarigen_sound_r)
AM_RANGE(0xe00040, 0xe00041) AM_WRITE(atarigen_sound_w)
AM_RANGE(0xe00050, 0xe00051) AM_WRITE(io_latch_w)
AM_RANGE(0xe00060, 0xe00061) AM_WRITE(atarigen_eeprom_enable_w)
AM_RANGE(0xe03000, 0xe03001) AM_WRITE(atarigen_video_int_ack_w)
AM_RANGE(0xe03800, 0xe03801) AM_WRITE(watchdog_reset16_w)
AM_RANGE(0xe80000, 0xe80fff) AM_RAM
AM_RANGE(0xf40000, 0xf40001) AM_READ(asic65_io_r)
AM_RANGE(0xf60000, 0xf60001) AM_READ(asic65_r)
AM_RANGE(0xf80000, 0xf80003) AM_WRITE(asic65_data_w)
AM_RANGE(0xfa0000, 0xfa0fff) AM_READWRITE(atarigen_eeprom_r, atarigen_eeprom_w) AM_BASE_SIZE_MEMBER(atarig42_state, atarigen.eeprom, atarigen.eeprom_size)
AM_RANGE(0xfc0000, 0xfc0fff) AM_RAM_WRITE(atarigen_666_paletteram_w) AM_BASE_GENERIC(paletteram)
AM_RANGE(0xff0000, 0xff0fff) AM_WRITE(atarirle_0_spriteram_w) AM_BASE(&atarirle_0_spriteram)
AM_RANGE(0xff2000, 0xff5fff) AM_WRITE(atarigen_playfield_w) AM_BASE_MEMBER(atarig42_state, atarigen.playfield)
AM_RANGE(0xff6000, 0xff6fff) AM_WRITE(atarigen_alpha_w) AM_BASE_MEMBER(atarig42_state, atarigen.alpha)
AM_RANGE(0xff7000, 0xff7001) AM_WRITE(mo_command_w) AM_BASE_MEMBER(atarig42_state, mo_command)
AM_RANGE(0xff0000, 0xffffff) AM_RAM
ADDRESS_MAP_END
/*************************************
*
* Port definitions
*
*************************************/
static INPUT_PORTS_START( roadriot )
PORT_START("IN0") /* e00000 */
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( 0xf800, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("IN1") /* e00002 */
PORT_BIT( 0xffff, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("IN2") /* e00010 */
PORT_BIT( 0x003f, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_SERVICE( 0x0040, IP_ACTIVE_LOW )
PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_VBLANK )
PORT_BIT( 0xff00, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_INCLUDE( atarijsa_iii ) /* audio board port */
PORT_START("A2D0") /* analog 0 */
PORT_BIT( 0xff, 0x80, IPT_AD_STICK_X ) PORT_SENSITIVITY(50) PORT_KEYDELTA(10)
PORT_START("A2D1") /* analog 1 */
PORT_BIT( 0xff, 0x00, IPT_PEDAL ) PORT_SENSITIVITY(100) PORT_KEYDELTA(16)
INPUT_PORTS_END
static INPUT_PORTS_START( guardian )
PORT_START("IN0") /* e00000 */
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(3)
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(3)
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(3)
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(3)
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(3)
PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(3)
PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(3)
PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(1)
PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_BUTTON4 ) 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("IN1") /* e00002 */
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1)
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2)
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(3)
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(3)
PORT_BIT( 0x01c0, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(2)
PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_BUTTON4 ) 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("IN2") /* e00010 */
PORT_BIT( 0x003f, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_SERVICE( 0x0040, IP_ACTIVE_LOW )
PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_VBLANK )
PORT_BIT( 0xff00, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_INCLUDE( atarijsa_iii ) /* audio board port */
PORT_START("A2D0") /* analog 0 */
PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("A2D1") /* analog 1 */
PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END
/*************************************
*
* Graphics definitions
*
*************************************/
static const gfx_layout pflayout =
{
8,8,
RGN_FRAC(1,3),
5,
{ 0, 0, 1, 2, 3 },
{ RGN_FRAC(1,3)+0, RGN_FRAC(1,3)+4, 0, 4, RGN_FRAC(1,3)+8, RGN_FRAC(1,3)+12, 8, 12 },
{ 0*8, 2*8, 4*8, 6*8, 8*8, 10*8, 12*8, 14*8 },
16*8
};
static const gfx_layout pftoplayout =
{
8,8,
RGN_FRAC(1,3),
6,
{ RGN_FRAC(2,3)+0, RGN_FRAC(2,3)+4, 0, 0, 0, 0 },
{ 3, 2, 1, 0, 11, 10, 9, 8 },
{ 0*8, 2*8, 4*8, 6*8, 8*8, 10*8, 12*8, 14*8 },
16*8
};
static const gfx_layout anlayout =
{
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( atarig42 )
GFXDECODE_ENTRY( "gfx1", 0, pflayout, 0x000, 64 )
GFXDECODE_ENTRY( "gfx2", 0, anlayout, 0x000, 16 )
GFXDECODE_ENTRY( "gfx1", 0, pftoplayout, 0x000, 64 )
GFXDECODE_END
/*************************************
*
* Machine driver
*
*************************************/
static MACHINE_DRIVER_START( atarig42 )
MDRV_DRIVER_DATA(atarig42_state)
/* basic machine hardware */
MDRV_CPU_ADD("maincpu", M68000, ATARI_CLOCK_14MHz)
MDRV_CPU_PROGRAM_MAP(main_map)
MDRV_CPU_VBLANK_INT("screen", atarigen_video_int_gen)
/* ASIC65 */
MDRV_IMPORT_FROM(asic65)
MDRV_MACHINE_START(atarig42)
MDRV_MACHINE_RESET(atarig42)
MDRV_NVRAM_HANDLER(atarigen)
/* video hardware */
MDRV_VIDEO_ATTRIBUTES(VIDEO_UPDATE_BEFORE_VBLANK)
MDRV_GFXDECODE(atarig42)
MDRV_PALETTE_LENGTH(2048)
MDRV_SCREEN_ADD("screen", RASTER)
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
/* note: these parameters are from published specs, not derived */
/* the board uses an SOS chip to generate video signals */
MDRV_SCREEN_RAW_PARAMS(ATARI_CLOCK_14MHz/2, 456, 0, 336, 262, 0, 240)
MDRV_VIDEO_START(atarig42)
MDRV_VIDEO_EOF(atarirle)
MDRV_VIDEO_UPDATE(atarig42)
/* sound hardware */
MDRV_IMPORT_FROM(jsa_iii_mono)
MACHINE_DRIVER_END
/*************************************
*
* ROM definition(s)
*
*************************************/
ROM_START( roadriot )
ROM_REGION( 0x80004, "maincpu", 0 ) /* 68000 code */
ROM_LOAD16_BYTE( "136089-2014.8d", 0x00000, 0x20000, CRC(bf8aaafc) SHA1(1594d91b56609d49921c866d8f5796619e79217b) ) /* Program ROMs in Blue labels, */
ROM_LOAD16_BYTE( "136089-2013.8c", 0x00001, 0x20000, CRC(5dd2dd70) SHA1(8f6a0e809ec1f6feea8a18197a789086a7b9dd6a) ) /* other ROMs in Yellow labels */
ROM_LOAD16_BYTE( "136089-2016.9d", 0x40000, 0x20000, CRC(6191653c) SHA1(97d1a84a585149e8f2c49cab7af22dc755dff350) ) /* PALs & BPROMs in White labels */
ROM_LOAD16_BYTE( "136089-2015.9c", 0x40001, 0x20000, CRC(0d34419a) SHA1(f16e9fb4cd537d727611cb7dd5537c030671fe1e) )
ROM_REGION( 0x2000, "asic65", 0 ) /* ASIC65 TMS32015 code */
ROM_LOAD( "136089-1012.3f", 0x00000, 0x0a80, CRC(7c5498e7) SHA1(9d8b235baf7b75bef8ef9b168647c5b2b80b2cb3) )
ROM_REGION( 0x14000, "jsa", 0 ) /* 6502 code */
ROM_LOAD( "136089-1047.12c", 0x10000, 0x4000, CRC(849dd26c) SHA1(05a0b2a5f7ee4437448b5f076d3066d96dec2320) )
ROM_CONTINUE( 0x04000, 0xc000 )
ROM_REGION( 0xc0000, "gfx1", 0 )
ROM_LOAD( "136089-1041.22d", 0x000000, 0x20000, CRC(b7451f92) SHA1(9fd17913630e457e406e596f2d86afff98787750) ) /* playfield, planes 0-1 */
ROM_LOAD( "136089-1038.22c", 0x020000, 0x20000, CRC(90f3c6ee) SHA1(7607509e2d3b2080a918cfaf2879dbed6b79d029) )
ROM_LOAD( "136089-1037.2021d", 0x040000, 0x20000, CRC(d40de62b) SHA1(fa6dfd20bdad7874ae33a1027a9bb0ea200f86ca) ) /* playfield, planes 2-3 */
ROM_LOAD( "136089-1039.2021c", 0x060000, 0x20000, CRC(a7e836b1) SHA1(d41f1e4166ca757176c6976be2a953db5db05e48) )
ROM_LOAD( "136089-1040.20d", 0x080000, 0x20000, CRC(a81ae93f) SHA1(b694ba5fab35f8fa505a02039ae62f7af3c7ae1d) ) /* playfield, planes 4-5 */
ROM_LOAD( "136089-1042.20c", 0x0a0000, 0x20000, CRC(b8a6d15a) SHA1(43d2be9d40a84b2c01d80bbcac737eda04d55999) )
ROM_REGION( 0x020000, "gfx2", 0 )
ROM_LOAD( "136089-1046.22j", 0x000000, 0x20000, CRC(0005bab0) SHA1(257e1b23eea117fe6701a67134b96d9d9fe10caf) ) /* alphanumerics */
ROM_REGION16_BE( 0x200000, "gfx3", 0 )
ROM_LOAD16_BYTE( "136089-1018.2s", 0x000000, 0x20000, CRC(19590a94) SHA1(e375b7e01a8b1f366bb4e7750e33f0b6d9ae2042) )
ROM_LOAD16_BYTE( "136089-1017.2p", 0x000001, 0x20000, CRC(c2bf3f69) SHA1(f822359070b1907973ee7ee35469f4a59f720830) )
ROM_LOAD16_BYTE( "136089-1020.3s", 0x040000, 0x20000, CRC(bab110e4) SHA1(0c4e3521474249517e7832df1bc63aca6d6a6c91) )
ROM_LOAD16_BYTE( "136089-1019.3p", 0x040001, 0x20000, CRC(791ad2c5) SHA1(4ef218fbf38a9c6b58c86f203843988df1c935f6) )
ROM_LOAD16_BYTE( "136089-1022.4s", 0x080000, 0x20000, CRC(79cba484) SHA1(ce361a432f1fe627086bab3c1131118fd15056f1) )
ROM_LOAD16_BYTE( "136089-1021.4p", 0x080001, 0x20000, CRC(86a2e257) SHA1(98d95d2e67fecc332f6c66358a1f8d58b168c74b) )
ROM_LOAD16_BYTE( "136089-1024.5s", 0x0c0000, 0x20000, CRC(67d28478) SHA1(cfc9da6d20c65d11c2a59a38660a8da4d1cc219d) )
ROM_LOAD16_BYTE( "136089-1023.5p", 0x0c0001, 0x20000, CRC(74638838) SHA1(bea0fb21ccb946e023c88791ce5a8dd92b44baec) )
ROM_LOAD16_BYTE( "136089-1026.6s", 0x100000, 0x20000, CRC(24933c37) SHA1(516393aae51fc9634a5c6d5134be058d6067e114) )
ROM_LOAD16_BYTE( "136089-1025.6p", 0x100001, 0x20000, CRC(054a163b) SHA1(1b0b129c093398bc5c14b3fdd87dfe149f555fac) )
ROM_LOAD16_BYTE( "136089-1028.7s", 0x140000, 0x20000, CRC(31ff090a) SHA1(7b43ed37901c3f94cae90c84b3c8c689d7b64dd6) )
ROM_LOAD16_BYTE( "136089-1027.7p", 0x140001, 0x20000, CRC(bbe5b69b) SHA1(9eaa551fba763824d36fc41bfe0e6d735a9e68c5) )
ROM_LOAD16_BYTE( "136089-1030.8s", 0x180000, 0x20000, CRC(6c89d2c5) SHA1(0bf2990ce1cd5ec5b84f7e3171725540e6238408) )
ROM_LOAD16_BYTE( "136089-1029.8p", 0x180001, 0x20000, CRC(40d9bde5) SHA1(aca6e07ea96e4618412d32fe4d4cd293ae82d940) )
ROM_LOAD16_BYTE( "136089-1032.9s", 0x1c0000, 0x20000, CRC(eca3c595) SHA1(5d067b7c02675b1e6dd3c4046697a16f873f80af) )
ROM_LOAD16_BYTE( "136089-1031.9p", 0x1c0001, 0x20000, CRC(88acdb53) SHA1(5bf2424ee75a25248a8ce38c8605b6780da4e323) )
ROM_REGION( 0x80000, "adpcm", 0 )
ROM_LOAD( "136089-1048.19e", 0x00000, 0x20000, CRC(2db638a7) SHA1(45da8088f7439beacc3056952a4d631d9633efa7) )
ROM_LOAD( "136089-1049.17e", 0x20000, 0x20000, CRC(e1dd7f9e) SHA1(6b9a240aa84d210d3052daab6ea26f9cd0e62dc1) )
ROM_LOAD( "136089-1050.15e", 0x40000, 0x20000, CRC(64d410bb) SHA1(877bccca7ff37a9dd8294bc1453487a2f516ca7d) )
ROM_LOAD( "136089-1051.12e", 0x60000, 0x20000, CRC(bffd01c8) SHA1(f6de000f61ea0c1ddb31ee5301506e5e966638c2) )
ROM_REGION( 0x0600, "proms", 0 ) /* microcode for growth renderer */
ROM_LOAD( "136089-1001.bin", 0x0000, 0x0200, CRC(5836cb5a) SHA1(2c797f6a1227d6e1fd7a12f99f0254072c8c266e) )
ROM_LOAD( "136089-1002.bin", 0x0200, 0x0200, CRC(44288753) SHA1(811582015264f85a32643196cdb331a41430318f) )
ROM_LOAD( "136089-1003.bin", 0x0400, 0x0200, CRC(1f571706) SHA1(26d5ea59163b3482ab1f8a26178d0849c5fd9692) )
ROM_END
ROM_START( guardian )
ROM_REGION( 0x80004, "maincpu", 0 ) /* 68000 code */
ROM_LOAD16_BYTE( "136092-2021.8e", 0x00000, 0x20000, CRC(efea1e02) SHA1(f0f1ef300f36953aff73b68ffe6d9950ac575f7d) )
ROM_LOAD16_BYTE( "136092-2020.8cd", 0x00001, 0x20000, CRC(a8f655ba) SHA1(2defe4d138613e248718a617d103794e051746f7) )
ROM_LOAD16_BYTE( "136092-2023.9e", 0x40000, 0x20000, CRC(cfa29316) SHA1(4e0e76304e29ee59bc2ce9a704e3f651dc9d473c) )
ROM_LOAD16_BYTE( "136092-2022.9cd", 0x40001, 0x20000, CRC(ed2abc91) SHA1(81531040d5663f6ab82e924210056e3737e17a8d) )
ROM_REGION( 0x2000, "asic65", 0 ) /* ASIC65 TMS32015 code */
ROM_LOAD( "136089-1012.3f", 0x00000, 0x0a80, NO_DUMP )
ROM_REGION( 0x14000, "jsa", 0 ) /* 6502 code */
ROM_LOAD( "136092-0080-snd.12c", 0x10000, 0x4000, CRC(0388f805) SHA1(49c11313bc4192dbe294cf68b652cb19047889fd) )
ROM_CONTINUE( 0x04000, 0xc000 )
ROM_REGION( 0x180000, "gfx1", 0 )
ROM_LOAD( "136092-0037a.23e", 0x000000, 0x80000, CRC(ca10b63e) SHA1(243a2a440e1bc9135d3dbe6553d39c54b9bdcd13) ) /* playfield, planes 0-1 */
ROM_LOAD( "136092-0038a.22e", 0x080000, 0x80000, CRC(cb1431a1) SHA1(d7b8f49a1e794ca2083e4bf0fa3870ce08caa53a) ) /* playfield, planes 2-3 */
ROM_LOAD( "136092-0039a.20e", 0x100000, 0x80000, CRC(2eee7188) SHA1(d3adbd7b20bc898fee35b6ba781e7775f82acd19) ) /* playfield, planes 4-5 */
ROM_REGION( 0x020000, "gfx2", 0 )
ROM_LOAD( "136092-0030.23k", 0x000000, 0x20000, CRC(0fd7baa1) SHA1(7802d732e5173291628ed498ad0fab71aeef4688) ) /* alphanumerics */
ROM_REGION16_BE( 0x600000, "gfx3", 0 )
ROM_LOAD16_BYTE( "136092-0041.2s", 0x000000, 0x80000, CRC(a2a5ae08) SHA1(d99f925bbc9a72432e13328ee8422fde615db90f) )
ROM_LOAD16_BYTE( "136092-0040.2p", 0x000001, 0x80000, CRC(ef95132e) SHA1(288de1d15956a612b7d19ceb2cf853490bf42b05) )
ROM_LOAD16_BYTE( "136092-0043.3s", 0x100000, 0x80000, CRC(6438b8e4) SHA1(ee1446209fbcab8b17c88c53b65e754a85f279d1) )
ROM_LOAD16_BYTE( "136092-0042.3p", 0x100001, 0x80000, CRC(46bf7c0d) SHA1(12414de2698178b158ec4ca0fbb176943c944cec) )
ROM_LOAD16_BYTE( "136092-0045.4s", 0x200000, 0x80000, CRC(4f4f2bee) SHA1(8276cdcd252d2d8fa41ab28e76a6bd72613c14ec) )
ROM_LOAD16_BYTE( "136092-0044.4p", 0x200001, 0x80000, CRC(20a4250b) SHA1(6a2e2596a9eef2792f7cdab648dd455b8e420a74) )
ROM_LOAD16_BYTE( "136092-0063a.6s", 0x300000, 0x80000, CRC(93933bcf) SHA1(a67d4839ffdb0eafbc2d68a60fb3bf1507c793cf) )
ROM_LOAD16_BYTE( "136092-0062a.6p", 0x300001, 0x80000, CRC(613e6f1d) SHA1(fd2ea18d245d0895e0bac6c5caa6d35fdd6a199f) )
ROM_LOAD16_BYTE( "136092-0065a.7s", 0x400000, 0x80000, CRC(6bcd1205) SHA1(c883c55f88d274ba8aa48c962406b253e1f8001e) )
ROM_LOAD16_BYTE( "136092-0064a.7p", 0x400001, 0x80000, CRC(7b4dce05) SHA1(36545917388e704f73a9b4d85189ec978d655b63) )
ROM_LOAD16_BYTE( "136092-0067a.9s", 0x500000, 0x80000, CRC(15845fba) SHA1(f7b670a8d48a5e9c261150914a06ef9a938a84e7) )
ROM_LOAD16_BYTE( "136092-0066a.9p", 0x500001, 0x80000, CRC(7130c575) SHA1(b3ea109981a1e5c631705b23dfad4a3a3daf7734) )
ROM_REGION( 0x80000, "adpcm", 0 )
ROM_LOAD( "136092-0010-snd", 0x00000, 0x80000, CRC(bca27f40) SHA1(91a41eac116eb7d9a790abc590eb06328726d1c2) )
ROM_REGION( 0x0600, "proms", 0 ) /* microcode for growth renderer */
ROM_LOAD( "136092-1001.bin", 0x0000, 0x0200, CRC(b3251eeb) SHA1(5e83baa70aaa28f07f32657bf974fd87719972d3) )
ROM_LOAD( "136092-1002.bin", 0x0200, 0x0200, CRC(0c5314da) SHA1(a9c7ee3ab015c7f3ada4200acd2854eb9a5c74b0) )
ROM_LOAD( "136092-1003.bin", 0x0400, 0x0200, CRC(344b406a) SHA1(f4422f8c0d7004d0277a4fc77718d555f80fcf69) )
ROM_REGION( 0x1500, "plds", 0 )
ROM_LOAD( "gal16v8a.3l", 0x0000, 0x0117, NO_DUMP ) /* PAL is read protected */
ROM_LOAD( "gal16v8a.7c", 0x0200, 0x0117, NO_DUMP ) /* PAL is read protected */
ROM_LOAD( "gal16v8a.13s", 0x0400, 0x0117, NO_DUMP ) /* PAL is read protected */
ROM_LOAD( "gal16v8a.16j", 0x0600, 0x0117, NO_DUMP ) /* PAL is read protected */
ROM_LOAD( "gal16v8a.17c", 0x0800, 0x0117, NO_DUMP ) /* PAL is read protected */
ROM_LOAD( "gal16v8a.18k", 0x0a00, 0x0117, NO_DUMP ) /* PAL is read protected */
ROM_LOAD( "gal16v8a.20c", 0x0c00, 0x0117, NO_DUMP ) /* PAL is read protected */
ROM_LOAD( "gal16v8a.22l", 0x0e00, 0x0117, NO_DUMP ) /* PAL is read protected */
ROM_LOAD( "gal6001b.15h", 0x1000, 0x0410, NO_DUMP ) /* PAL is read protected */
ROM_END
/*************************************
*
* Driver initialization
*
*************************************/
static DRIVER_INIT( roadriot )
{
static const UINT16 default_eeprom[] =
{
0x0001,0x01B7,0x01AF,0x01E4,0x0100,0x0130,0x0300,0x01CC,
0x0700,0x01FE,0x0500,0x0102,0x0200,0x0108,0x011B,0x01C8,
0x0100,0x0107,0x0120,0x0100,0x0125,0x0500,0x0177,0x0162,
0x013A,0x010A,0x01B7,0x01AF,0x01E4,0x0100,0x0130,0x0300,
0x01CC,0x0700,0x01FE,0x0500,0x0102,0x0200,0x0108,0x011B,
0x01C8,0x0100,0x0107,0x0120,0x0100,0x0125,0x0500,0x0177,
0x0162,0x013A,0x010A,0xE700,0x0164,0x0106,0x0100,0x0104,
0x01B0,0x0146,0x012E,0x1A00,0x01C8,0x01D0,0x0118,0x0D00,
0x0118,0x0100,0x01C8,0x01D0,0x0000
};
atarig42_state *state = (atarig42_state *)machine->driver_data;
state->atarigen.eeprom_default = default_eeprom;
atarijsa_init(machine, "IN2", 0x0040);
state->playfield_base = 0x400;
state->motion_object_base = 0x200;
state->motion_object_mask = 0x1ff;
state->sloop_base = memory_install_readwrite16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x000000, 0x07ffff, 0, 0, roadriot_sloop_data_r, roadriot_sloop_data_w);
memory_set_direct_update_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), sloop_direct_handler);
asic65_config(machine, ASIC65_ROMBASED);
/*
Road Riot color MUX
CRA10=!MGEP*!AN.VID7*AN.0 -- if (mopri < pfpri) && (!alpha)
+!AN.VID7*AN.0*MO.0 or if (mopix == 0) && (!alpha)
CRA9=MGEP*!AN.VID7*AN.0*!MO.0 -- if (mopri >= pfpri) && (mopix != 0) && (!alpha)
+!AN.VID7*AN.0*PF.VID9 or if (pfpix & 0x200) && (!alpha)
CRA8=MGEP*!AN.VID7*AN.0*!MO.0*MVID8 -- if (mopri >= pfpri) && (mopix != 0) && (mopix & 0x100) && (!alpha)
+!MGEP*!AN.VID7*AN.0*PF.VID8 or if (mopri < pfpri) && (pfpix & 0x100) && (!alpha)
+!AN.VID7*AN.0*MO.0*PF.VID8 or if (pfpix & 0x100) && (!alpha)
CRMUXB=!AN.VID7*AN.0 -- if (!alpha)
CRMUXA=!MGEP -- if (mopri < pfpri)
+MO.0 or (mopix == 0)
+AN.VID7 or (alpha)
+!AN.0
*/
}
static DRIVER_INIT( guardian )
{
static const UINT16 default_eeprom[] =
{
0x0001,0x01FD,0x01FF,0x01EF,0x0100,0x01CD,0x0300,0x0104,
0x0700,0x0117,0x0F00,0x0133,0x1F00,0x0133,0x2400,0x0120,
0x0600,0x0104,0x0300,0x010C,0x01A0,0x0100,0x0152,0x0179,
0x012D,0x01BD,0x01FD,0x01FF,0x01EF,0x0100,0x01CD,0x0300,
0x0104,0x0700,0x0117,0x0F00,0x0133,0x1F00,0x0133,0x2400,
0x0120,0x0600,0x0104,0x0300,0x010C,0x01A0,0x0100,0x0152,
0x0179,0x012D,0x01BD,0x8C00,0x0118,0x01AB,0x015A,0x0100,
0x01D0,0x010B,0x01B8,0x01C7,0x01E2,0x0134,0x0100,0x010A,
0x01BE,0x016D,0x0142,0x0100,0x0120,0x0109,0x0110,0x0141,
0x0109,0x0100,0x0108,0x0134,0x0105,0x0148,0x1400,0x0000
};
atarig42_state *state = (atarig42_state *)machine->driver_data;
state->atarigen.eeprom_default = default_eeprom;
atarijsa_init(machine, "IN2", 0x0040);
state->playfield_base = 0x000;
state->motion_object_base = 0x400;
state->motion_object_mask = 0x3ff;
/* it looks like they jsr to $80000 as some kind of protection */
/* put an RTS there so we don't die */
*(UINT16 *)&memory_region(machine, "maincpu")[0x80000] = 0x4E75;
state->sloop_base = memory_install_readwrite16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x000000, 0x07ffff, 0, 0, guardians_sloop_data_r, guardians_sloop_data_w);
memory_set_direct_update_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), sloop_direct_handler);
asic65_config(machine, ASIC65_GUARDIANS);
/*
Guardians color MUX
CRA10=MGEP*!AN.VID7*AN.0*!MO.0 -- if (mopri >= pfpri) && (!alpha) && (mopix != 0)
CRA9=MGEP*!AN.VID7*AN.0*!MO.0*MVID9 -- if (mopri >= pfpri) && (!alpha) && (mopix != 0) && (mopix & 0x200)
+!MGEP*!AN.VID7*AN.0*PF.VID9 or if (mopri < pfpri) && (!alpha) && (pfpix & 0x200)
+!AN.VID7*AN.0*MO.0*PF.VID9 or if (mopix == 0) && (!alpha) && (pfpix & 0x200)
CRA8=MGEP*!AN.VID7*AN.0*!MO.0*MVID8 -- if (mopri >= pfpri) && (!alpha) && (mopix != 0) && (mopix & 0x100)
+!MGEP*!AN.VID7*AN.0*PF.VID8 or if (mopri < pfpri) && (!alpha) && (pfpix & 0x100)
+!AN.VID7*AN.0*MO.0*PF.VID8 or if (mopix == 0) && (!alpha) && (pfpix & 0x100)
CRMUXB=!AN.VID7*AN.0 -- if (!alpha)
CRMUXA=!MGEP -- if (mopri < pfpri)
+MO.0 or (mopix == 0)
+AN.VID7 or (alpha)
+!AN.0
*/
}
/*************************************
*
* Game driver(s)
*
*************************************/
GAME( 1991, roadriot, 0, atarig42, roadriot, roadriot, ROT0, "Atari Games", "Road Riot 4WD", GAME_UNEMULATED_PROTECTION )
GAME( 1992, guardian, 0, atarig42, guardian, guardian, ROT0, "Atari Games", "Guardians of the 'Hood", 0 )
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