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diff --git a/src/mame/drivers/turbo.c b/src/mame/drivers/turbo.c
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+++ b/src/mame/drivers/turbo.c
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+/*************************************************************************
+
+ Sega Z80-3D system
+
+ driver by Alex Pasadyn, Howie Cohen, Frank Palazzolo, Ernesto Corvi,
+ and Aaron Giles
+
+ Games supported:
+ * Turbo
+ * Subroc 3D
+ * Buck Rogers: Planet of Zoom
+
+**************************************************************************
+ TURBO
+**************************************************************************
+
+ Memory Map: ( * not complete * )
+
+ Address Range: R/W: Function:
+ --------------------------------------------------------------------------
+ 0000 - 5fff R Program ROM
+ a000 - a0ff W Sprite RAM
+ a800 - a803 W Lamps / Coin Meters
+ b000 - b1ff R/W Collision RAM
+ e000 - e7ff R/W character RAM
+ f000 - f7ff R/W RAM
+ f202 coinage 2
+ f205 coinage 1
+ f800 - f803 R/W road drawing
+ f900 - f903 R/W road drawing
+ fa00 - fa03 R/W sound
+ fb00 - fb03 R/W x,DS2,x,x
+ fc00 - fc01 R DS1,x
+ fc00 - fc01 W score
+ fd00 R Coin Inputs, etc.
+ fe00 R DS3,x
+
+ Switch settings:
+ Notes:
+ 1) Facing the CPU board, with the two large IDC connectors at
+ the top of the board, and the large and small IDC
+ connectors at the bottom, DIP switch #1 is upper right DIP
+ switch, DIP switch #2 is the DIP switch to the right of it.
+
+ 2) Facing the Sound board, with the IDC connector at the
+ bottom of the board, DIP switch #3 (4 bank) can be seen.
+ ----------------------------------------------------------------------------
+
+ Option (DIP Swtich #1) | SW1 | SW2 | SW3 | SW4 | SW5 | SW6 | SW7 | SW8 |
+ --------------------------|-----|-----|-----|-----|-----|-----|-----|-----|
+ 1 Car On Extended Play | ON | ON | | | | | | |
+ 2 Car On Extended Play | OFF | ON | | | | | | |
+ 3 Car On Extended Play | ON | OFF | | | | | | |
+ 4 Car On Extended Play | OFF | OFF | | | | | | |
+ --------------------------|-----|-----|-----|-----|-----|-----|-----|-----|
+ Game Time Adjustable | | | ON | | | | | |
+ Game Time Fixed (55 Sec.) | | | OFF | | | | | |
+ --------------------------|-----|-----|-----|-----|-----|-----|-----|-----|
+ Hard Game Difficulty | | | | ON | | | | |
+ Easy Game Difficulty | | | | OFF | | | | |
+ --------------------------|-----|-----|-----|-----|-----|-----|-----|-----|
+ Normal Game Mode | | | | | ON | | | |
+ No Collisions (cheat) | | | | | OFF | | | |
+ --------------------------|-----|-----|-----|-----|-----|-----|-----|-----|
+ Initial Entry Off (?) | | | | | | ON | | |
+ Initial Entry On (?) | | | | | | OFF | | |
+ --------------------------|-----|-----|-----|-----|-----|-----|-----|-----|
+ Not Used | | | | | | | X | X |
+ ---------------------------------------------------------------------------
+
+ Option (DIP Swtich #2) | SW1 | SW2 | SW3 | SW4 | SW5 | SW6 | SW7 | SW8 |
+ --------------------------|-----|-----|-----|-----|-----|-----|-----|-----|
+ 60 Seconds Game Time | ON | ON | | | | | | |
+ 70 Seconds Game Time | OFF | ON | | | | | | |
+ 80 Seconds Game Time | ON | OFF | | | | | | |
+ 90 Seconds Game Time | OFF | OFF | | | | | | |
+ --------------------------|-----|-----|-----|-----|-----|-----|-----|-----|
+ Slot 1 1 Coin 1 Credit | | | ON | ON | ON | | | |
+ Slot 1 1 Coin 2 Credits | | | OFF | ON | ON | | | |
+ Slot 1 1 Coin 3 Credits | | | ON | OFF | ON | | | |
+ Slot 1 1 Coin 6 Credits | | | OFF | OFF | ON | | | |
+ Slot 1 2 Coins 1 Credit | | | ON | ON | OFF | | | |
+ Slot 1 3 Coins 1 Credit | | | OFF | ON | OFF | | | |
+ Slot 1 4 Coins 1 Credit | | | ON | OFF | OFF | | | |
+ Slot 1 1 Coin 1 Credit | | | OFF | OFF | OFF | | | |
+ --------------------------|-----|-----|-----|-----|-----|-----|-----|-----|
+ Slot 2 1 Coin 1 Credit | | | | | | ON | ON | ON |
+ Slot 2 1 Coin 2 Credits | | | | | | OFF | ON | ON |
+ Slot 2 1 Coin 3 Credits | | | | | | ON | OFF | ON |
+ Slot 2 1 Coin 6 Credits | | | | | | OFF | OFF | ON |
+ Slot 2 2 Coins 1 Credit | | | | | | ON | ON | OFF |
+ Slot 2 3 Coins 1 Credit | | | | | | OFF | ON | OFF |
+ Slot 2 4 Coins 1 Credit | | | | | | ON | OFF | OFF |
+ Slot 2 1 Coins 1 Credit | | | | | | OFF | OFF | OFF |
+ ---------------------------------------------------------------------------
+
+ Option (DIP Swtich #3) | SW1 | SW2 | SW3 | SW4 |
+ --------------------------|-----|-----|-----|-----|
+ Not Used | X | X | | |
+ --------------------------|-----|-----|-----|-----|
+ Digital (LED) Tachometer | | | ON | |
+ Analog (Meter) Tachometer | | | OFF | |
+ --------------------------|-----|-----|-----|-----|
+ Cockpit Sound System | | | | ON |
+ Upright Sound System | | | | OFF |
+ ---------------------------------------------------
+
+ Here is a complete list of the ROMs:
+
+ Turbo ROMLIST - Frank Palazzolo
+ Name Loc Function
+ -----------------------------------------------------------------------------
+ Images Acquired:
+ EPR1262,3,4 IC76, IC89, IC103
+ EPR1363,4,5
+ EPR15xx Program ROMS
+ EPR1244 Character Data 1
+ EPR1245 Character Data 2
+ EPR-1125 Road ROMS
+ EPR-1126
+ EPR-1127
+ EPR-1238
+ EPR-1239
+ EPR-1240
+ EPR-1241
+ EPR-1242
+ EPR-1243
+ EPR1246-1258 Sprite ROMS
+ EPR1288-1300
+
+ PR-1114 IC13 Color 1 (road, etc.)
+ PR-1115 IC18 Road gfx
+ PR-1116 IC20 Crash (collision detection?)
+ PR-1117 IC21 Color 2 (road, etc.)
+ PR-1118 IC99 256x4 Character Color PROM
+ PR-1119 IC50 512x8 Vertical Timing PROM
+ PR-1120 IC62 Horizontal Timing PROM
+ PR-1121 IC29 Color PROM
+ PR-1122 IC11 Pattern 1
+ PR-1123 IC21 Pattern 2
+
+ PA-06R IC22 Mathbox Timing PAL
+ PA-06L IC90 Address Decode PAL
+
+**************************************************************************/
+
+#include "driver.h"
+#include "machine/8255ppi.h"
+#include "turbo.h"
+#include "machine/segacrpt.h"
+#include "sound/samples.h"
+
+#include "turbo.lh"
+#include "subroc3d.lh"
+#include "buckrog.lh"
+
+
+
+/*************************************
+ *
+ * Constants
+ *
+ *************************************/
+
+#define MASTER_CLOCK (19968000)
+
+#define PIXEL_CLOCK (MASTER_CLOCK/4*TURBO_X_SCALE)
+
+#define HTOTAL (320*TURBO_X_SCALE)
+#define HBEND (0)
+#define HBSTART (256*TURBO_X_SCALE)
+
+#define VTOTAL (264)
+#define VBEND (0)
+#define VBSTART (224)
+
+
+
+static READ8_HANDLER( turbo_analog_r );
+
+
+
+/*************************************
+ *
+ * Machine init
+ *
+ *************************************/
+
+static MACHINE_RESET( buckrog )
+{
+ turbo_state *state = machine->driver_data;
+ state->buckrog_command = 0x00;
+}
+
+
+
+/*************************************
+ *
+ * Turbo 8255 PPI handling
+ *
+ *************************************/
+
+/*
+ chip index:
+ 0 = IC75 - CPU Board, Sheet 6, D7
+ 1 = IC32 - CPU Board, Sheet 6, D6
+ 2 = IC123 - CPU Board, Sheet 6, D4
+ 3 = IC6 - CPU Board, Sheet 5, D7
+*/
+
+static WRITE8_HANDLER( turbo_ppi0a_w )
+{
+ /* bit0-7 = 0PA0-7 */
+ turbo_state *state = Machine->driver_data;
+ state->turbo_opa = data;
+}
+
+
+static WRITE8_HANDLER( turbo_ppi0b_w )
+{
+ /* bit0-7 = 0PB0-7 */
+ turbo_state *state = Machine->driver_data;
+ state->turbo_opb = data;
+}
+
+
+static WRITE8_HANDLER( turbo_ppi0c_w )
+{
+ /* bit0-7 = 0PC0-7 */
+ turbo_state *state = Machine->driver_data;
+ state->turbo_opc = data;
+}
+
+
+static WRITE8_HANDLER( turbo_ppi1a_w )
+{
+ /* bit0-7 = 1PA0-7 */
+ turbo_state *state = Machine->driver_data;
+ state->turbo_ipa = data;
+}
+
+
+static WRITE8_HANDLER( turbo_ppi1b_w )
+{
+ /* bit0-7 = 1PB0-7 */
+ turbo_state *state = Machine->driver_data;
+ state->turbo_ipb = data;
+}
+
+
+static WRITE8_HANDLER( turbo_ppi1c_w )
+{
+ /* bit0-7 = 1PC0-7 */
+ turbo_state *state = Machine->driver_data;
+ state->turbo_ipc = data;
+}
+
+
+static WRITE8_HANDLER( turbo_ppi3c_w )
+{
+ /* bit 0-3 = PLA0-3 */
+ /* bit 4-6 = COL0-2 */
+ /* bit 7 = n/c */
+ turbo_state *state = Machine->driver_data;
+ state->turbo_fbpla = data & 0x0f;
+ state->turbo_fbcol = (data >> 4) & 0x07;
+}
+
+
+
+/*************************************
+ *
+ * Subroc 3D PPI handling
+ *
+ *************************************/
+
+/*
+ chip index:
+ 0 = IC117 - CPU Board, Sheet 3, A6
+ 1 = IC119 - CPU Board, Sheet 3, A5
+*/
+
+static WRITE8_HANDLER( subroc3d_ppi0a_w )
+{
+ /* bit 0-3 = PLY0-3 */
+ /* bit 4-7 = n/c */
+ turbo_state *state = Machine->driver_data;
+ state->subroc3d_ply = data & 0x0f;
+}
+
+
+static WRITE8_HANDLER( subroc3d_ppi0c_w )
+{
+ /* bit 0-3 = COL0-3 */
+ turbo_state *state = Machine->driver_data;
+ state->subroc3d_col = data & 0x0f;
+}
+
+
+static WRITE8_HANDLER( subroc3d_ppi0b_w )
+{
+ /* bit 0 = COM1 (COIN METER 1) */
+ /* bit 1 = COM2 (COIN METER 2) */
+ /* bit 2 = STLA (START LAMP) */
+ /* bit 3 = NOUSE (n/c) */
+ /* bit 4 = FLIP (not really flip, just offset) */
+ turbo_state *state = Machine->driver_data;
+ coin_counter_w(0, data & 0x01);
+ coin_counter_w(1, data & 0x02);
+ set_led_status(0, data & 0x04);
+ state->subroc3d_flip = (data >> 4) & 1;
+}
+
+
+
+/*************************************
+ *
+ * Buck Rogers PPI handling
+ *
+ *************************************/
+
+static WRITE8_HANDLER( buckrog_ppi0a_w )
+{
+ /* bit 0-7 = data to be read on the /IOREQ */
+ turbo_state *state = Machine->driver_data;
+ state->buckrog_command = data;
+}
+
+
+static WRITE8_HANDLER( buckrog_ppi0b_w )
+{
+ /* bit 0-5 = MOV0-5 */
+ /* bit 6-7 = n/c */
+ turbo_state *state = Machine->driver_data;
+ state->buckrog_mov = data & 0x3f;
+}
+
+
+static WRITE8_HANDLER( buckrog_ppi0c_w )
+{
+ /* bit 0-2 = FCHG0 */
+ /* bit 3-5 = n/c */
+ /* bit 6 = /IOREQ on the 2nd CPU */
+ /* bit 7 = /INT on the 2nd CPU */
+ turbo_state *state = Machine->driver_data;
+ state->buckrog_fchg = data & 0x07;
+ cpunum_set_input_line(1, 0, (data & 0x80) ? CLEAR_LINE : ASSERT_LINE);
+}
+
+
+static WRITE8_HANDLER( buckrog_ppi1c_w )
+{
+ /* bit 0-2 = OBCH0-2 */
+ /* bit 3 = n/c */
+ /* bit 4 = COM1 (COIN METER 1) */
+ /* bit 5 = COM2 (COIN METER 2) */
+ /* bit 6 = STLA (START LAMP) */
+ /* bit 7 = NOUSE (BODY SONIC) */
+ turbo_state *state = Machine->driver_data;
+ state->buckrog_obch = data & 0x07;
+ coin_counter_w(0, data & 0x10);
+ coin_counter_w(1, data & 0x20);
+ set_led_status(0, data & 0x40);
+}
+
+
+
+/*************************************
+ *
+ * 8279 display/keyboard driver
+ *
+ *************************************/
+
+static void update_outputs(i8279_state *chip, UINT16 which)
+{
+ static const UINT8 ls48_map[16] =
+ { 0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7c,0x07,0x7f,0x67,0x58,0x4c,0x62,0x69,0x78,0x00 };
+ int i;
+
+ /* update the items in the bitmask */
+ for (i = 0; i < 16; i++)
+ if (which & (1 << i))
+ {
+ int val;
+
+ val = chip->ram[i] & 0x0f;
+ if (chip->inhibit & 0x01)
+ val = chip->clear & 0x0f;
+ output_set_digit_value(i * 2 + 0, ls48_map[val]);
+
+ val = chip->ram[i] >> 4;
+ if (chip->inhibit & 0x02)
+ val = chip->clear >> 4;
+ output_set_digit_value(i * 2 + 1, ls48_map[val]);
+ }
+}
+
+
+static READ8_HANDLER( turbo_8279_r )
+{
+ turbo_state *state = Machine->driver_data;
+ i8279_state *chip = &state->i8279;
+ UINT8 result = 0xff;
+ UINT8 addr;
+
+ /* read data */
+ if ((offset & 1) == 0)
+ {
+ switch (chip->command & 0xe0)
+ {
+ /* read sensor RAM */
+ case 0x40:
+ result = ~readinputport(1); /* DSW 1 - inverted! */
+ break;
+
+ /* read display RAM */
+ case 0x60:
+
+ /* set the value of the corresponding outputs */
+ addr = chip->command & 0x0f;
+ result = chip->ram[addr];
+
+ /* handle autoincrement */
+ if (chip->command & 0x10)
+ chip->command = (chip->command & 0xf0) | ((addr + 1) & 0x0f);
+ break;
+ }
+ }
+
+ /* read status word */
+ else
+ {
+ logerror("read 0xfc%02x\n", offset);
+ result = 0x10;
+ }
+ return result;
+}
+
+
+static WRITE8_HANDLER( turbo_8279_w )
+{
+ turbo_state *state = Machine->driver_data;
+ i8279_state *chip = &state->i8279;
+ UINT8 addr;
+
+ /* write data */
+ if ((offset & 1) == 0)
+ {
+ switch (chip->command & 0xe0)
+ {
+ /* write display RAM */
+ case 0x80:
+
+ /* set the value of the corresponding outputs */
+ addr = chip->command & 0x0f;
+ if (!(chip->inhibit & 0x04))
+ chip->ram[addr] = (chip->ram[addr] & 0xf0) | (data & 0x0f);
+ if (!(chip->inhibit & 0x08))
+ chip->ram[addr] = (chip->ram[addr] & 0x0f) | (data & 0xf0);
+ update_outputs(chip, 1 << addr);
+
+ /* handle autoincrement */
+ if (chip->command & 0x10)
+ chip->command = (chip->command & 0xf0) | ((addr + 1) & 0x0f);
+ break;
+ }
+ }
+
+ /* write command */
+ else
+ {
+ chip->command = data;
+
+ switch (data & 0xe0)
+ {
+ /* command 0: set mode */
+ /*
+ Display modes:
+
+ 00 = 8 x 8-bit character display -- left entry
+ 01 = 16 x 8-bit character display -- left entry
+ 10 = 8 x 8-bit character display -- right entry
+ 11 = 16 x 8-bit character display -- right entry
+
+ Keyboard modes:
+
+ 000 = Encoded scan keyboard -- 2 key lockout
+ 001 = Decoded scan keyboard -- 2 key lockout
+ 010 = Encoded scan keyboard -- N-key rollover
+ 011 = Decoded scan keyboard -- N-key rollover
+ 100 = Encoded scan sensor matrix
+ 101 = Decoded scan sensor matrix
+ 110 = Strobed input, encoded display scan
+ 111 = Strobed input, decoded display scan
+ */
+ case 0x00:
+ logerror("turbo_8279: display mode = %d, keyboard mode = %d\n", (data >> 3) & 3, data & 7);
+ chip->mode = data & 0x1f;
+ break;
+
+ /* command 1: program clock */
+ case 0x20:
+ logerror("turbo_8279: clock prescaler set to %02X\n", data & 0x1f);
+ chip->prescale = data & 0x1f;
+ break;
+
+ /* command 2: read FIFO/sensor RAM */
+ /* command 3: read display RAM */
+ /* command 4: write display RAM */
+ case 0x40:
+ case 0x60:
+ case 0x80:
+ break;
+
+ /* command 5: display write inhibit/blanking */
+ case 0xa0:
+ chip->inhibit = data & 0x0f;
+ update_outputs(chip, ~0);
+ logerror("turbo_8279: clock prescaler set to %02X\n", data & 0x1f);
+ break;
+
+ /* command 6: clear */
+ case 0xc0:
+ chip->clear = (data & 0x08) ? ((data & 0x04) ? 0xff : 0x20) : 0x00;
+ if (data & 0x11)
+ memset(chip->ram, chip->clear, sizeof(chip->ram));
+ break;
+
+ /* command 7: end interrupt/error mode set */
+ case 0xe0:
+ break;
+ }
+ }
+}
+
+
+
+/*************************************
+ *
+ * Misc Turbo inputs/outputs
+ *
+ *************************************/
+
+static READ8_HANDLER( turbo_collision_r )
+{
+ turbo_state *state = Machine->driver_data;
+ video_screen_update_partial(0, video_screen_get_vpos(0));
+ return readinputport(3) | (state->turbo_collision & 15);
+}
+
+
+static WRITE8_HANDLER( turbo_collision_clear_w )
+{
+ turbo_state *state = Machine->driver_data;
+ video_screen_update_partial(0, video_screen_get_vpos(0));
+ state->turbo_collision = 0;
+}
+
+
+static READ8_HANDLER( turbo_analog_r )
+{
+ turbo_state *state = Machine->driver_data;
+ return readinputport(4) - state->turbo_last_analog;
+}
+
+
+static WRITE8_HANDLER( turbo_analog_reset_w )
+{
+ turbo_state *state = Machine->driver_data;
+ state->turbo_last_analog = readinputport(4);
+}
+
+
+static WRITE8_HANDLER( turbo_coin_and_lamp_w )
+{
+ switch (offset & 7)
+ {
+ case 0:
+ coin_counter_w(0, data & 1);
+ break;
+ case 1:
+ coin_counter_w(1, data & 1);
+ break;
+ case 3:
+ set_led_status(0, data & 1);
+ break;
+ }
+}
+
+
+
+/*************************************
+ *
+ * Misc Buck Rogers inputs/outputs
+ *
+ *************************************/
+
+static READ8_HANDLER( buckrog_cpu2_command_r )
+{
+ /* assert ACK */
+ turbo_state *state = Machine->driver_data;
+ ppi8255_set_portC(0, 0x00);
+ return state->buckrog_command;
+}
+
+
+static READ8_HANDLER( buckrog_port_2_r )
+{
+ int inp1 = readinputport(2);
+ int inp2 = readinputport(3);
+
+ return (((inp2 >> 6) & 1) << 7) |
+ (((inp2 >> 4) & 1) << 6) |
+ (((inp2 >> 3) & 1) << 5) |
+ (((inp2 >> 0) & 1) << 4) |
+ (((inp1 >> 6) & 1) << 3) |
+ (((inp1 >> 4) & 1) << 2) |
+ (((inp1 >> 3) & 1) << 1) |
+ (((inp1 >> 0) & 1) << 0);
+}
+
+
+static READ8_HANDLER( buckrog_port_3_r )
+{
+ int inp1 = readinputport(2);
+ int inp2 = readinputport(3);
+
+ return (((inp2 >> 7) & 1) << 7) |
+ (((inp2 >> 5) & 1) << 6) |
+ (((inp2 >> 2) & 1) << 5) |
+ (((inp2 >> 1) & 1) << 4) |
+ (((inp1 >> 7) & 1) << 3) |
+ (((inp1 >> 5) & 1) << 2) |
+ (((inp1 >> 2) & 1) << 1) |
+ (((inp1 >> 1) & 1) << 0);
+}
+
+
+static TIMER_CALLBACK( delayed_ppi8255_w )
+{
+ ppi8255_0_w(param >> 8, param & 0xff);
+}
+
+
+static WRITE8_HANDLER( buckrog_ppi8255_0_w )
+{
+ /* the port C handshaking signals control the sub CPU IRQ, */
+ /* so we have to sync whenever we access this PPI */
+ timer_call_after_resynch(((offset & 3) << 8) | (data & 0xff), delayed_ppi8255_w);
+}
+
+
+
+/*************************************
+ *
+ * Turbo CPU memory handlers
+ *
+ *************************************/
+
+static ADDRESS_MAP_START( turbo_map, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x5fff) AM_ROM
+ AM_RANGE(0xa000, 0xa0ff) AM_MIRROR(0x0700) AM_MASK(0x0f7) AM_RAM AM_BASE_MEMBER(turbo_state, spriteram)
+ AM_RANGE(0xa800, 0xa807) AM_MIRROR(0x07f8) AM_WRITE(turbo_coin_and_lamp_w)
+ AM_RANGE(0xb000, 0xb3ff) AM_MIRROR(0x0400) AM_RAM AM_BASE_MEMBER(turbo_state, sprite_position)
+ AM_RANGE(0xb800, 0xbfff) AM_WRITE(turbo_analog_reset_w)
+ AM_RANGE(0xe000, 0xe7ff) AM_READWRITE(MRA8_RAM, turbo_videoram_w) AM_BASE_MEMBER(turbo_state, videoram)
+ AM_RANGE(0xe800, 0xefff) AM_WRITE(turbo_collision_clear_w)
+ AM_RANGE(0xf000, 0xf7ff) AM_RAM
+ AM_RANGE(0xf800, 0xf803) AM_MIRROR(0x00fc) AM_READWRITE(ppi8255_0_r, ppi8255_0_w)
+ AM_RANGE(0xf900, 0xf903) AM_MIRROR(0x00fc) AM_READWRITE(ppi8255_1_r, ppi8255_1_w)
+ AM_RANGE(0xfa00, 0xfa03) AM_MIRROR(0x00fc) AM_READWRITE(ppi8255_2_r, ppi8255_2_w)
+ AM_RANGE(0xfb00, 0xfb03) AM_MIRROR(0x00fc) AM_READWRITE(ppi8255_3_r, ppi8255_3_w)
+ AM_RANGE(0xfc00, 0xfc01) AM_MIRROR(0x00fe) AM_READWRITE(turbo_8279_r, turbo_8279_w)
+ AM_RANGE(0xfd00, 0xfdff) AM_READ(input_port_0_r)
+ AM_RANGE(0xfe00, 0xfeff) AM_READ(turbo_collision_r)
+ADDRESS_MAP_END
+
+
+
+/*************************************
+ *
+ * Subroc3D CPU memory handlers
+ *
+ *************************************/
+
+static ADDRESS_MAP_START( subroc3d_map, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x9fff) AM_ROM
+ AM_RANGE(0xa000, 0xa3ff) AM_RAM AM_BASE_MEMBER(turbo_state, sprite_position) // CONT RAM
+ AM_RANGE(0xa400, 0xa7ff) AM_RAM AM_BASE_MEMBER(turbo_state, spriteram) // CONT RAM
+ AM_RANGE(0xa800, 0xa800) AM_MIRROR(0x07fc) AM_READ(input_port_0_r) // INPUT 253
+ AM_RANGE(0xa801, 0xa801) AM_MIRROR(0x07fc) AM_READ(input_port_1_r) // INPUT 253
+ AM_RANGE(0xa802, 0xa802) AM_MIRROR(0x07fc) AM_READ(input_port_2_r) // INPUT 253
+ AM_RANGE(0xa803, 0xa803) AM_MIRROR(0x07fc) AM_READ(input_port_3_r) // INPUT 253
+ AM_RANGE(0xb000, 0xb7ff) AM_RAM // SCRATCH
+ AM_RANGE(0xb800, 0xbfff) // HANDLE CL
+ AM_RANGE(0xe000, 0xe7ff) AM_READWRITE(MRA8_RAM, turbo_videoram_w) AM_BASE_MEMBER(turbo_state, videoram) // FIX PAGE
+ AM_RANGE(0xe800, 0xe803) AM_MIRROR(0x07fc) AM_READWRITE(ppi8255_0_r, ppi8255_0_w)
+ AM_RANGE(0xf000, 0xf003) AM_MIRROR(0x07fc) AM_READWRITE(ppi8255_1_r, ppi8255_1_w)
+ AM_RANGE(0xf800, 0xf801) AM_MIRROR(0x07fe) AM_READWRITE(turbo_8279_r, turbo_8279_w)
+ADDRESS_MAP_END
+
+
+
+/*************************************
+ *
+ * Buck Rogers CPU memory handlers
+ *
+ *************************************/
+
+static ADDRESS_MAP_START( buckrog_map, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x7fff) AM_ROM
+ AM_RANGE(0x8000, 0xbfff) AM_ROM
+ AM_RANGE(0xc000, 0xc7ff) AM_READWRITE(MRA8_RAM, turbo_videoram_w) AM_BASE_MEMBER(turbo_state, videoram) // FIX PAGE
+ AM_RANGE(0xc800, 0xc803) AM_MIRROR(0x07fc) AM_READWRITE(ppi8255_0_r, buckrog_ppi8255_0_w) // 8255
+ AM_RANGE(0xd000, 0xd003) AM_MIRROR(0x07fc) AM_READWRITE(ppi8255_1_r, ppi8255_1_w) // 8255
+ AM_RANGE(0xd800, 0xd801) AM_MIRROR(0x07fe) AM_READWRITE(turbo_8279_r, turbo_8279_w) // 8279
+ AM_RANGE(0xe000, 0xe3ff) AM_RAM AM_BASE_MEMBER(turbo_state, sprite_position) // CONT RAM
+ AM_RANGE(0xe400, 0xe7ff) AM_RAM AM_BASE_MEMBER(turbo_state, spriteram) // CONT RAM
+ AM_RANGE(0xe800, 0xe800) AM_MIRROR(0x07fc) AM_READ(input_port_0_r) // INPUT
+ AM_RANGE(0xe801, 0xe801) AM_MIRROR(0x07fc) AM_READ(input_port_1_r)
+ AM_RANGE(0xe802, 0xe802) AM_MIRROR(0x07fc) AM_READ(buckrog_port_2_r)
+ AM_RANGE(0xe803, 0xe803) AM_MIRROR(0x07fc) AM_READ(buckrog_port_3_r)
+ AM_RANGE(0xf000, 0xf000)
+ AM_RANGE(0xf800, 0xffff) AM_RAM // SCRATCH
+ADDRESS_MAP_END
+
+
+static ADDRESS_MAP_START( buckrog_cpu2_map, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x1fff) AM_ROM
+ AM_RANGE(0x0000, 0xdfff) AM_WRITE(buckrog_bitmap_w)
+ AM_RANGE(0xe000, 0xe7ff) AM_MIRROR(0x1800) AM_RAM
+ADDRESS_MAP_END
+
+
+static ADDRESS_MAP_START( buckrog_cpu2_portmap, ADDRESS_SPACE_IO, 8 )
+ ADDRESS_MAP_FLAGS( AMEF_ABITS(8) )
+ AM_RANGE(0x00, 0xff) AM_READ(buckrog_cpu2_command_r)
+ADDRESS_MAP_END
+
+
+
+/*************************************
+ *
+ * Port definitions
+ *
+ *************************************/
+
+static INPUT_PORTS_START( turbo )
+ PORT_START /* IN0 */
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON2 ) /* ACCEL B */
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON1 ) /* ACCEL A */
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_TOGGLE /* SHIFT */
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START1 )
+ PORT_SERVICE_NO_TOGGLE( 0x10, IP_ACTIVE_LOW )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_SERVICE1 )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN2 )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 )
+
+ PORT_START /* DSW 1 */
+ PORT_DIPNAME( 0x03, 0x03, "Car On Extended Play" ) PORT_DIPLOCATION("SW1:1,2")
+ PORT_DIPSETTING( 0x00, "1" )
+ PORT_DIPSETTING( 0x01, "2" )
+ PORT_DIPSETTING( 0x02, "3" )
+ PORT_DIPSETTING( 0x03, "4" )
+ PORT_DIPNAME( 0x04, 0x00, DEF_STR( Game_Time ) ) PORT_DIPLOCATION("SW1:3")
+ PORT_DIPSETTING( 0x04, "Fixed (55 sec)" )
+ PORT_DIPSETTING( 0x00, "Adjustable" )
+ PORT_DIPNAME( 0x08, 0x08, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW1:4")
+ PORT_DIPSETTING( 0x08, DEF_STR( Easy ))
+ PORT_DIPSETTING( 0x00, DEF_STR( Hard ))
+ PORT_DIPNAME( 0x10, 0x10, "Game Mode" ) PORT_DIPLOCATION("SW1:5")
+ PORT_DIPSETTING( 0x00, "No Collisions (cheat)" )
+ PORT_DIPSETTING( 0x10, DEF_STR( Normal ) )
+ PORT_DIPNAME( 0x20, 0x20, "Initial Entry" ) PORT_DIPLOCATION("SW1:6")
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ))
+ PORT_DIPSETTING( 0x20, DEF_STR( On ))
+ PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:7")
+ PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:8")
+ PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
+ PORT_START /* DSW 2 */
+ PORT_DIPNAME( 0x03, 0x03, DEF_STR( Game_Time ) ) PORT_DIPLOCATION("SW2:1,2")
+ PORT_DIPSETTING( 0x00, "60 seconds" )
+ PORT_DIPSETTING( 0x01, "70 seconds" )
+ PORT_DIPSETTING( 0x02, "80 seconds" )
+ PORT_DIPSETTING( 0x03, "90 seconds" )
+ PORT_DIPNAME( 0x1c, 0x1c, DEF_STR( Coin_B )) PORT_DIPLOCATION("SW2:3,4,5")
+ PORT_DIPSETTING( 0x18, DEF_STR( 4C_1C ))
+ PORT_DIPSETTING( 0x14, DEF_STR( 3C_1C ))
+ PORT_DIPSETTING( 0x10, DEF_STR( 2C_1C ))
+/* PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ))*/
+ PORT_DIPSETTING( 0x1c, DEF_STR( 1C_1C ))
+ PORT_DIPSETTING( 0x04, DEF_STR( 1C_2C ))
+ PORT_DIPSETTING( 0x08, DEF_STR( 1C_3C ))
+ PORT_DIPSETTING( 0x0c, DEF_STR( 1C_6C ))
+ PORT_DIPNAME( 0xe0, 0xe0, DEF_STR( Coin_A )) PORT_DIPLOCATION("SW2:6,7,8")
+ PORT_DIPSETTING( 0xc0, DEF_STR( 4C_1C ))
+ PORT_DIPSETTING( 0xa0, DEF_STR( 3C_1C ))
+ PORT_DIPSETTING( 0x80, DEF_STR( 2C_1C ))
+/* PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ))*/
+ PORT_DIPSETTING( 0xe0, DEF_STR( 1C_1C ))
+ PORT_DIPSETTING( 0x20, DEF_STR( 1C_2C ))
+ PORT_DIPSETTING( 0x40, DEF_STR( 1C_3C ))
+ PORT_DIPSETTING( 0x60, DEF_STR( 1C_6C ))
+
+ PORT_START /* Collision and DSW 3 */
+ PORT_BIT( 0x0f, 0x00, IPT_SPECIAL ) /* Merged with collision bits */
+ PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW3:1")
+ PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW3:2")
+ PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x40, 0x40, "Tachometer" ) PORT_DIPLOCATION("SW3:3")
+ PORT_DIPSETTING( 0x40, "Analog (Meter)")
+ PORT_DIPSETTING( 0x00, "Digital (LED)")
+ PORT_DIPNAME( 0x80, 0x80, "Sound System" ) PORT_DIPLOCATION("SW3:4")
+ PORT_DIPSETTING( 0x80, DEF_STR( Upright ) )
+ PORT_DIPSETTING( 0x00, "Cockpit")
+
+ PORT_START /* IN0 */
+ PORT_BIT( 0xff, 0, IPT_DIAL ) PORT_SENSITIVITY(10) PORT_KEYDELTA(30)
+
+ /* this is actually a variable resistor */
+ PORT_START_TAG("VR1")
+ PORT_ADJUSTER(31, "Sprite scale offset")
+
+ /* this is actually a variable resistor */
+ PORT_START_TAG("VR2")
+ PORT_ADJUSTER(91, "Sprite scale gain")
+INPUT_PORTS_END
+
+
+static INPUT_PORTS_START( subroc3d )
+ PORT_START
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP )
+
+ PORT_START
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON1 )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START1 )
+ PORT_SERVICE_NO_TOGGLE( 0x10, 0x10 )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_SERVICE1 )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN2 )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 )
+
+ PORT_START /* DSW 2 */
+ PORT_DIPNAME( 0x07, 0x00, DEF_STR( Coin_A )) PORT_DIPLOCATION("SW2:1,2,3")
+ PORT_DIPSETTING( 0x07, DEF_STR( 5C_1C ) )
+ PORT_DIPSETTING( 0x06, DEF_STR( 4C_1C ) )
+ PORT_DIPSETTING( 0x05, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( 1C_3C ) )
+ PORT_DIPSETTING( 0x03, DEF_STR( 1C_6C ) )
+ PORT_DIPNAME( 0x38, 0x00, DEF_STR( Coin_B ) ) PORT_DIPLOCATION("SW2:4,5,6")
+ PORT_DIPSETTING( 0x38, DEF_STR( 5C_1C ) )
+ PORT_DIPSETTING( 0x30, DEF_STR( 4C_1C ) )
+ PORT_DIPSETTING( 0x28, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( 1C_3C ) )
+ PORT_DIPSETTING( 0x18, DEF_STR( 1C_6C ) )
+ PORT_DIPNAME( 0xc0, 0x40, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW2:7,8")
+ PORT_DIPSETTING( 0x00, "2" )
+ PORT_DIPSETTING( 0x40, "3" )
+ PORT_DIPSETTING( 0x80, "4" )
+ PORT_DIPSETTING( 0xc0, "5" )
+
+ PORT_START /* DSW 3 */
+ PORT_DIPNAME( 0x03, 0x03, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW3:1,2")
+ PORT_DIPSETTING( 0x00, "20000" )
+ PORT_DIPSETTING( 0x01, "40000" )
+ PORT_DIPSETTING( 0x02, "60000" )
+ PORT_DIPSETTING( 0x03, "80000" )
+ PORT_DIPNAME( 0x04, 0x04, "Initial Entry" ) PORT_DIPLOCATION("SW3:3")
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( On ) )
+ PORT_DIPNAME( 0x08, 0x08, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW3:4")
+ PORT_DIPSETTING( 0x08, DEF_STR( Normal ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Hard ) )
+ PORT_DIPNAME( 0x10, 0x10, DEF_STR( Free_Play ) ) PORT_DIPLOCATION("SW3:5")
+ PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x20, 0x20, "Motion" ) PORT_DIPLOCATION("SW3:6")
+ PORT_DIPSETTING( 0x00, "Stop" )
+ PORT_DIPSETTING( 0x20, DEF_STR( Normal ) )
+ PORT_DIPNAME( 0x40, 0x00, "Screen" ) PORT_DIPLOCATION("SW3:7")
+ PORT_DIPSETTING( 0x00, DEF_STR( Mono ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Stereo ) )
+ PORT_DIPNAME( 0x80, 0x80, "Game" ) PORT_DIPLOCATION("SW3:8")
+ PORT_DIPSETTING( 0x00, "Endless" )
+ PORT_DIPSETTING( 0x80, DEF_STR( Normal ) )
+
+ PORT_START /* DSW 1 */ /* Unused */
+INPUT_PORTS_END
+
+
+static INPUT_PORTS_START( buckrog )
+ PORT_START
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START2 )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON3 ) // Accel Hi
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) // Accel Lo
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_UP )
+
+ PORT_START /* Inputs */
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON1 )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START1 )
+ PORT_SERVICE_NO_TOGGLE( 0x10, 0x10 )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_SERVICE1 )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN2 )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 )
+
+ PORT_START /* DSW 1 */
+ PORT_DIPNAME( 0x07, 0x00, DEF_STR( Coin_A )) PORT_DIPLOCATION("SW1:1,2,3")
+ PORT_DIPSETTING( 0x07, DEF_STR( 5C_1C ) )
+ PORT_DIPSETTING( 0x06, DEF_STR( 4C_1C ) )
+ PORT_DIPSETTING( 0x05, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( 1C_3C ) )
+ PORT_DIPSETTING( 0x03, DEF_STR( 1C_6C ) )
+ PORT_DIPNAME( 0x38, 0x00, DEF_STR( Coin_B ) ) PORT_DIPLOCATION("SW1:4,5,6")
+ PORT_DIPSETTING( 0x38, DEF_STR( 5C_1C ) )
+ PORT_DIPSETTING( 0x30, DEF_STR( 4C_1C ) )
+ PORT_DIPSETTING( 0x28, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( 1C_3C ) )
+ PORT_DIPSETTING( 0x18, DEF_STR( 1C_6C ) )
+ PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:7")
+ PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:8")
+ PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
+
+ PORT_START /* DSW 2 */
+ PORT_DIPNAME( 0x01, 0x00, "Collisions" ) PORT_DIPLOCATION("SW2:1")
+ PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x02, 0x02, "Accel by" ) PORT_DIPLOCATION("SW2:2")
+ PORT_DIPSETTING( 0x00, "Pedal" )
+ PORT_DIPSETTING( 0x02, "Button" )
+ PORT_DIPNAME( 0x04, 0x00, "Best 5 Scores" ) PORT_DIPLOCATION("SW2:3")
+ PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x08, 0x00, "Score Display" ) PORT_DIPLOCATION("SW2:4")
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( On ) )
+ PORT_DIPNAME( 0x10, 0x10, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW2:5")
+ PORT_DIPSETTING( 0x10, DEF_STR( Normal ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Hard ) )
+ PORT_DIPNAME( 0x60, 0x00, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW2:6,7")
+ PORT_DIPSETTING( 0x00, "3" )
+ PORT_DIPSETTING( 0x20, "4" )
+ PORT_DIPSETTING( 0x40, "5" )
+ PORT_DIPSETTING( 0x60, "6" )
+ PORT_DIPNAME( 0x80, 0x00, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SW2:8")
+ PORT_DIPSETTING( 0x00, DEF_STR( Upright ) )
+ PORT_DIPSETTING( 0x80, "Cockpit" )
+INPUT_PORTS_END
+
+
+
+/*************************************
+ *
+ * Graphics definitions
+ *
+ *************************************/
+
+static GFXDECODE_START( turbo )
+ GFXDECODE_ENTRY( REGION_GFX2, 0, gfx_8x8x2_planar, 0, 64 )
+GFXDECODE_END
+
+
+
+/*************************************
+ *
+ * Machine drivers
+ *
+ *************************************/
+
+static MACHINE_DRIVER_START( turbo )
+ MDRV_DRIVER_DATA(turbo_state)
+
+ /* basic machine hardware */
+ MDRV_CPU_ADD(Z80, MASTER_CLOCK/4)
+ MDRV_CPU_PROGRAM_MAP(turbo_map,0)
+ MDRV_CPU_VBLANK_INT(irq0_line_hold,1)
+
+ /* video hardware */
+ MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER | VIDEO_ALWAYS_UPDATE)
+ MDRV_GFXDECODE(turbo)
+ MDRV_PALETTE_LENGTH(256)
+
+ MDRV_SCREEN_ADD("main", 0)
+ MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MDRV_SCREEN_RAW_PARAMS(PIXEL_CLOCK, HTOTAL, HBEND, HBSTART, VTOTAL, VBEND, VBSTART)
+
+ MDRV_PALETTE_INIT(turbo)
+ MDRV_VIDEO_START(turbo)
+ MDRV_VIDEO_UPDATE(turbo)
+
+ /* sound hardware */
+ MDRV_IMPORT_FROM(turbo_samples)
+MACHINE_DRIVER_END
+
+
+static MACHINE_DRIVER_START( subroc3d )
+ MDRV_DRIVER_DATA(turbo_state)
+
+ /* basic machine hardware */
+ MDRV_CPU_ADD(Z80, MASTER_CLOCK/4)
+ MDRV_CPU_PROGRAM_MAP(subroc3d_map,0)
+ MDRV_CPU_VBLANK_INT(irq0_line_hold,1)
+
+ /* video hardware */
+ MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
+ MDRV_GFXDECODE(turbo)
+ MDRV_PALETTE_LENGTH(256)
+
+ MDRV_SCREEN_ADD("main", 0)
+ MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MDRV_SCREEN_RAW_PARAMS(PIXEL_CLOCK, HTOTAL, HBEND, HBSTART, VTOTAL, VBEND, VBSTART)
+
+ MDRV_PALETTE_INIT(subroc3d)
+ MDRV_VIDEO_START(turbo)
+ MDRV_VIDEO_UPDATE(subroc3d)
+
+ /* sound hardware */
+ MDRV_IMPORT_FROM(subroc3d_samples)
+MACHINE_DRIVER_END
+
+
+static MACHINE_DRIVER_START( buckrog )
+ MDRV_DRIVER_DATA(turbo_state)
+
+ /* basic machine hardware */
+ MDRV_CPU_ADD(Z80, MASTER_CLOCK/4)
+ MDRV_CPU_PROGRAM_MAP(buckrog_map,0)
+ MDRV_CPU_VBLANK_INT(irq0_line_hold,1)
+
+ MDRV_CPU_ADD(Z80, MASTER_CLOCK/4)
+ MDRV_CPU_PROGRAM_MAP(buckrog_cpu2_map,0)
+ MDRV_CPU_IO_MAP(buckrog_cpu2_portmap,0)
+
+ MDRV_INTERLEAVE(10)
+ MDRV_MACHINE_RESET(buckrog)
+
+ /* video hardware */
+ MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
+ MDRV_GFXDECODE(turbo)
+ MDRV_PALETTE_LENGTH(1024)
+
+ MDRV_SCREEN_ADD("main", 0)
+ MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MDRV_SCREEN_RAW_PARAMS(PIXEL_CLOCK, HTOTAL, HBEND, HBSTART, VTOTAL, VBEND, VBSTART)
+
+ MDRV_PALETTE_INIT(buckrog)
+ MDRV_VIDEO_START(buckrog)
+ MDRV_VIDEO_UPDATE(buckrog)
+
+ /* sound hardware */
+ MDRV_IMPORT_FROM(buckrog_samples)
+MACHINE_DRIVER_END
+
+
+
+/*************************************
+ *
+ * ROM definitions
+ *
+ *************************************/
+
+ROM_START( turbo )
+ ROM_REGION( 0x6000, REGION_CPU1, 0 )
+ ROM_LOAD( "epr-1513.cpu-ic76", 0x0000, 0x2000, CRC(0326adfc) SHA1(d9f06f0bc78667fa58c4b8ab3a3897d0dd0bdfbf) )
+ ROM_LOAD( "epr-1514.cpu-ic89", 0x2000, 0x2000, CRC(25af63b0) SHA1(9af4b3da83a4cef79b7dd0e9061132c499872c1c) )
+ ROM_LOAD( "epr-1515.cpu-ic103", 0x4000, 0x2000, CRC(059c1c36) SHA1(ba870e6f45ff15aa148b2c2f213c879144aaacf0) )
+
+ ROM_REGION( 0x20000, REGION_GFX1, 0 ) /* sprite data */
+ ROM_LOAD( "epr-1246.prom-ic84", 0x00000, 0x2000, CRC(555bfe9a) SHA1(1e56385475eeff044dcd9b44a154991d3efe995e) ) /* level 0 */
+ ROM_RELOAD( 0x02000, 0x2000 )
+ ROM_LOAD( "epr-1247.prom-ic86", 0x04000, 0x2000, CRC(c8c5e4d5) SHA1(da70297340ddea0cd7fe04f2d94ea65f8202d0e5) ) /* level 1 */
+ ROM_RELOAD( 0x06000, 0x2000 )
+ ROM_LOAD( "epr-1248.prom-ic88", 0x08000, 0x2000, CRC(82fe5b94) SHA1(b96688ca0cfd90fdc4ee7c2e6c0b66726cc5713c) ) /* level 2 */
+ ROM_RELOAD( 0x0a000, 0x2000 )
+ ROM_LOAD( "epr-1249.prom-ic90", 0x0c000, 0x2000, CRC(e258e009) SHA1(598d382db0f789ea2fde749b7467abed545de25a) ) /* level 3 */
+ ROM_LOAD( "epr-1250.prom-ic108",0x0e000, 0x2000, CRC(aee6e05e) SHA1(99b9b1ec996746ddf713ed38192f350f1f32a847) )
+ ROM_LOAD( "epr-1251.prom-ic92", 0x10000, 0x2000, CRC(292573de) SHA1(3ddc980d11478a6a6e4082c2f76c1ab82ffe2f36) ) /* level 4 */
+ ROM_LOAD( "epr-1252.prom-ic110",0x12000, 0x2000, CRC(aee6e05e) SHA1(99b9b1ec996746ddf713ed38192f350f1f32a847) )
+ ROM_LOAD( "epr-1253.prom-ic94", 0x14000, 0x2000, CRC(92783626) SHA1(13979eb964112436182d2a92f21803bcc28f4a4a) ) /* level 5 */
+ ROM_LOAD( "epr-1254.prom-ic112",0x16000, 0x2000, CRC(aee6e05e) SHA1(99b9b1ec996746ddf713ed38192f350f1f32a847) )
+ ROM_LOAD( "epr-1255.prom-ic32", 0x18000, 0x2000, CRC(485dcef9) SHA1(0f760ebb42cc2580a29758c72428a41d74477ce6) ) /* level 6 */
+ ROM_LOAD( "epr-1256.prom-ic47", 0x1a000, 0x2000, CRC(aee6e05e) SHA1(99b9b1ec996746ddf713ed38192f350f1f32a847) )
+ ROM_LOAD( "epr-1257.prom-ic34", 0x1c000, 0x2000, CRC(4ca984ce) SHA1(99f294fb203f23929b44baa2dd1825c67dde08a1) ) /* level 7 */
+ ROM_LOAD( "epr-1258.prom-ic49", 0x1e000, 0x2000, CRC(aee6e05e) SHA1(99b9b1ec996746ddf713ed38192f350f1f32a847) )
+
+ ROM_REGION( 0x1000, REGION_GFX2, ROMREGION_DISPOSE ) /* foreground data */
+ ROM_LOAD( "epr-1244.cpu-ic111", 0x0000, 0x0800, CRC(17f67424) SHA1(6126562510f1509f3487faaa3b9d7470ab600a2c) )
+ ROM_LOAD( "epr-1245.cpu-ic122", 0x0800, 0x0800, CRC(2ba0b46b) SHA1(5d4d4f19ad7a911c7b37db190a420faf665546b4) )
+
+ ROM_REGION( 0x4800, REGION_GFX3, 0 ) /* road data */
+ ROM_LOAD( "epr-1125.cpu-ic1", 0x0000, 0x0800, CRC(65b5d44b) SHA1(bbdd5db013c9d876e9666f17c48569c7531bfc08) )
+ ROM_LOAD( "epr-1126.cpu-ic2", 0x0800, 0x0800, CRC(685ace1b) SHA1(99c8d36ac910169b27676d18c894433c2ba44853) )
+ ROM_LOAD( "epr-1127.cpu-ic13", 0x1000, 0x0800, CRC(9233c9ca) SHA1(cbf9a0f564d8ace1ccd701c1769dbc001d465851) )
+ ROM_LOAD( "epr-1238.cpu-ic14", 0x1800, 0x0800, CRC(d94fd83f) SHA1(1e3a68259d2ede623d5a7306fdf693a4eab301f0) )
+ ROM_LOAD( "epr-1239.cpu-ic27", 0x2000, 0x0800, CRC(4c41124f) SHA1(d73a9441552c77fb3078553195794311a950d589) )
+ ROM_LOAD( "epr-1240.cpu-ic28", 0x2800, 0x0800, CRC(371d6282) SHA1(f5902b357d976822d46aa6404b7bd30855d435a9) )
+ ROM_LOAD( "epr-1241.cpu-ic41", 0x3000, 0x0800, CRC(1109358a) SHA1(27a5351a4e87309671e72115299420315a93dba6) )
+ ROM_LOAD( "epr-1242.cpu-ic42", 0x3800, 0x0800, CRC(04866769) SHA1(1f9c0d53766fdaf8de57d3df05f291c2ca3dc5fb) )
+ ROM_LOAD( "epr-1243.cpu-ic74", 0x4000, 0x0800, CRC(29854c48) SHA1(cab89bc30f83d9746931ddf6f95a6d0c8a517e5d) )
+
+ ROM_REGION( 0x1020, REGION_PROMS, 0 ) /* various PROMs */
+ ROM_LOAD( "pr-1114.prom-ic13", 0x0000, 0x0020, CRC(78aded46) SHA1(c78afe804f8b8e837b0c502de5b8715a41fb92b9) ) /* road red/green color table */
+ ROM_LOAD( "pr-1115.prom-ic18", 0x0020, 0x0020, CRC(5394092c) SHA1(129ff61104979ff6a3c3af8bf81c04ae9b133c9e) ) /* road collision/enable */
+ ROM_LOAD( "pr-1116.prom-ic20", 0x0040, 0x0020, CRC(3956767d) SHA1(073aaf57175526660fcf7af2e16e7f1d1aaba9a9) ) /* collision detection */
+ ROM_LOAD( "pr-1117.prom-ic21", 0x0060, 0x0020, CRC(f06d9907) SHA1(f11db7800f41b03e79f5eef8d7ef3ae0a6277518) ) /* road green/blue color table */
+ ROM_LOAD( "pr-1118.cpu-ic99", 0x0100, 0x0100, CRC(07324cfd) SHA1(844abc2042d6810fa34d84ff1ed57744886c6ea6) ) /* background color table */
+ ROM_LOAD( "pr-1119.cpu-ic50", 0x0200, 0x0200, CRC(57ebd4bc) SHA1(932649da3537666f95833a8a8aff506217bd9aa1) ) /* sprite Y scaling */
+ ROM_LOAD( "pr-1120.cpu-ic62", 0x0400, 0x0200, CRC(8dd4c8a8) SHA1(e8d9cf08f115d57c44746fa0ff28f47b064b4193) ) /* video timing */
+ ROM_LOAD( "pr-1121.prom-ic29", 0x0600, 0x0200, CRC(7692f497) SHA1(42468c0705df9928e15ff8deb7e793a6c0c04353) ) /* palette */
+ ROM_LOAD( "pr-1122.prom-ic11", 0x0800, 0x0400, CRC(1a86ce70) SHA1(cab708b9a089b2e28f2298c1e4fae6e200923527) ) /* sprite priorities */
+ ROM_LOAD( "pr-1123.prom-ic12", 0x0c00, 0x0400, CRC(02d2cb52) SHA1(c34d6b60355747ce20fcb8d322df0e188d187f10) ) /* sprite/road/background priorities */
+ ROM_LOAD( "pr-1279.sound-ic40", 0x1000, 0x0020, CRC(b369a6ae) SHA1(dda7c6cf58ce5173f29a3084c85393c0c4587086) ) /* sound board PROM */
+ROM_END
+
+
+ROM_START( turboa )
+ ROM_REGION( 0x6000, REGION_CPU1, 0 )
+ ROM_LOAD( "epr-1262.cpu-ic76", 0x0000, 0x2000, CRC(1951b83a) SHA1(31933676140db66281b7ca016a1b42cb985f44dd) )
+ ROM_LOAD( "epr-1263.cpu-ic89", 0x2000, 0x2000, CRC(45e01608) SHA1(0a9812714c41904bef7a8777b4aae63b5a1dd633) )
+ ROM_LOAD( "epr-1264.cpu-ic103", 0x4000, 0x2000, CRC(1802f6c7) SHA1(5c575821d849d955059868b3dd3167b4bef9a8c4) )
+
+ ROM_REGION( 0x20000, REGION_GFX1, 0 ) /* sprite data */
+ ROM_LOAD( "epr-1246.prom-ic84", 0x00000, 0x2000, CRC(555bfe9a) SHA1(1e56385475eeff044dcd9b44a154991d3efe995e) ) /* level 0 */
+ ROM_RELOAD( 0x02000, 0x2000 )
+ ROM_LOAD( "epr-1247.prom-ic86", 0x04000, 0x2000, CRC(c8c5e4d5) SHA1(da70297340ddea0cd7fe04f2d94ea65f8202d0e5) ) /* level 1 */
+ ROM_RELOAD( 0x06000, 0x2000 )
+ ROM_LOAD( "epr-1248.prom-ic88", 0x08000, 0x2000, CRC(82fe5b94) SHA1(b96688ca0cfd90fdc4ee7c2e6c0b66726cc5713c) ) /* level 2 */
+ ROM_RELOAD( 0x0a000, 0x2000 )
+ ROM_LOAD( "epr-1249.prom-ic90", 0x0c000, 0x2000, CRC(e258e009) SHA1(598d382db0f789ea2fde749b7467abed545de25a) ) /* level 3 */
+ ROM_LOAD( "epr-1250.prom-ic108",0x0e000, 0x2000, CRC(aee6e05e) SHA1(99b9b1ec996746ddf713ed38192f350f1f32a847) )
+ ROM_LOAD( "epr-1251.prom-ic92", 0x10000, 0x2000, CRC(292573de) SHA1(3ddc980d11478a6a6e4082c2f76c1ab82ffe2f36) ) /* level 4 */
+ ROM_LOAD( "epr-1252.prom-ic110",0x12000, 0x2000, CRC(aee6e05e) SHA1(99b9b1ec996746ddf713ed38192f350f1f32a847) )
+ ROM_LOAD( "epr-1253.prom-ic94", 0x14000, 0x2000, CRC(92783626) SHA1(13979eb964112436182d2a92f21803bcc28f4a4a) ) /* level 5 */
+ ROM_LOAD( "epr-1254.prom-ic112",0x16000, 0x2000, CRC(aee6e05e) SHA1(99b9b1ec996746ddf713ed38192f350f1f32a847) )
+ ROM_LOAD( "epr-1255.prom-ic32", 0x18000, 0x2000, CRC(485dcef9) SHA1(0f760ebb42cc2580a29758c72428a41d74477ce6) ) /* level 6 */
+ ROM_LOAD( "epr-1256.prom-ic47", 0x1a000, 0x2000, CRC(aee6e05e) SHA1(99b9b1ec996746ddf713ed38192f350f1f32a847) )
+ ROM_LOAD( "epr-1257.prom-ic34", 0x1c000, 0x2000, CRC(4ca984ce) SHA1(99f294fb203f23929b44baa2dd1825c67dde08a1) ) /* level 7 */
+ ROM_LOAD( "epr-1258.prom-ic49", 0x1e000, 0x2000, CRC(aee6e05e) SHA1(99b9b1ec996746ddf713ed38192f350f1f32a847) )
+
+ ROM_REGION( 0x1000, REGION_GFX2, ROMREGION_DISPOSE ) /* foreground data */
+ ROM_LOAD( "epr-1244.cpu-ic111", 0x0000, 0x0800, CRC(17f67424) SHA1(6126562510f1509f3487faaa3b9d7470ab600a2c) )
+ ROM_LOAD( "epr-1245.cpu-ic122", 0x0800, 0x0800, CRC(2ba0b46b) SHA1(5d4d4f19ad7a911c7b37db190a420faf665546b4) )
+
+ ROM_REGION( 0x4800, REGION_GFX3, 0 ) /* road data */
+ ROM_LOAD( "epr-1125.cpu-ic1", 0x0000, 0x0800, CRC(65b5d44b) SHA1(bbdd5db013c9d876e9666f17c48569c7531bfc08) )
+ ROM_LOAD( "epr-1126.cpu-ic2", 0x0800, 0x0800, CRC(685ace1b) SHA1(99c8d36ac910169b27676d18c894433c2ba44853) )
+ ROM_LOAD( "epr-1127.cpu-ic13", 0x1000, 0x0800, CRC(9233c9ca) SHA1(cbf9a0f564d8ace1ccd701c1769dbc001d465851) )
+ ROM_LOAD( "epr-1238.cpu-ic14", 0x1800, 0x0800, CRC(d94fd83f) SHA1(1e3a68259d2ede623d5a7306fdf693a4eab301f0) )
+ ROM_LOAD( "epr-1239.cpu-ic27", 0x2000, 0x0800, CRC(4c41124f) SHA1(d73a9441552c77fb3078553195794311a950d589) )
+ ROM_LOAD( "epr-1240.cpu-ic28", 0x2800, 0x0800, CRC(371d6282) SHA1(f5902b357d976822d46aa6404b7bd30855d435a9) )
+ ROM_LOAD( "epr-1241.cpu-ic41", 0x3000, 0x0800, CRC(1109358a) SHA1(27a5351a4e87309671e72115299420315a93dba6) )
+ ROM_LOAD( "epr-1242.cpu-ic42", 0x3800, 0x0800, CRC(04866769) SHA1(1f9c0d53766fdaf8de57d3df05f291c2ca3dc5fb) )
+ ROM_LOAD( "epr-1243.cpu-ic74", 0x4000, 0x0800, CRC(29854c48) SHA1(cab89bc30f83d9746931ddf6f95a6d0c8a517e5d) )
+
+ ROM_REGION( 0x1020, REGION_PROMS, 0 ) /* various PROMs */
+ ROM_LOAD( "pr-1114.prom-ic13", 0x0000, 0x0020, CRC(78aded46) SHA1(c78afe804f8b8e837b0c502de5b8715a41fb92b9) ) /* road red/green color table */
+ ROM_LOAD( "pr-1115.prom-ic18", 0x0020, 0x0020, CRC(5394092c) SHA1(129ff61104979ff6a3c3af8bf81c04ae9b133c9e) ) /* road collision/enable */
+ ROM_LOAD( "pr-1116.prom-ic20", 0x0040, 0x0020, CRC(3956767d) SHA1(073aaf57175526660fcf7af2e16e7f1d1aaba9a9) ) /* collision detection */
+ ROM_LOAD( "pr-1117.prom-ic21", 0x0060, 0x0020, CRC(f06d9907) SHA1(f11db7800f41b03e79f5eef8d7ef3ae0a6277518) ) /* road green/blue color table */
+ ROM_LOAD( "pr-1118.cpu-ic99", 0x0100, 0x0100, CRC(07324cfd) SHA1(844abc2042d6810fa34d84ff1ed57744886c6ea6) ) /* background color table */
+ ROM_LOAD( "pr-1119.cpu-ic50", 0x0200, 0x0200, CRC(57ebd4bc) SHA1(932649da3537666f95833a8a8aff506217bd9aa1) ) /* sprite Y scaling */
+ ROM_LOAD( "pr-1120.cpu-ic62", 0x0400, 0x0200, CRC(8dd4c8a8) SHA1(e8d9cf08f115d57c44746fa0ff28f47b064b4193) ) /* video timing */
+ ROM_LOAD( "pr-1121.prom-ic29", 0x0600, 0x0200, CRC(7692f497) SHA1(42468c0705df9928e15ff8deb7e793a6c0c04353) ) /* palette */
+ ROM_LOAD( "pr-1122.prom-ic11", 0x0800, 0x0400, CRC(1a86ce70) SHA1(cab708b9a089b2e28f2298c1e4fae6e200923527) ) /* sprite priorities */
+ ROM_LOAD( "pr-1123.prom-ic12", 0x0c00, 0x0400, CRC(02d2cb52) SHA1(c34d6b60355747ce20fcb8d322df0e188d187f10) ) /* sprite/road/background priorities */
+ ROM_LOAD( "pr-1279.sound-ic40", 0x1000, 0x0020, CRC(b369a6ae) SHA1(dda7c6cf58ce5173f29a3084c85393c0c4587086) ) /* sound board PROM */
+ROM_END
+
+
+ROM_START( turbob )
+ ROM_REGION( 0x6000, REGION_CPU1, 0 )
+ ROM_LOAD( "epr-1363.cpu-ic76", 0x0000, 0x2000, CRC(5c110fb6) SHA1(fdcdf488bd112db12aa22c4b7e9f34004185d4ce) )
+ ROM_LOAD( "epr-1364.cpu-ic89", 0x2000, 0x2000, CRC(6a341693) SHA1(428927c4a14bf82225875012c255d25dcffaf2ab) )
+ ROM_LOAD( "epr-1365.cpu-ic103", 0x4000, 0x2000, CRC(3b6b0dc8) SHA1(3ebfa3f9fabd444ee105591acb6984b6b3523725) )
+
+ ROM_REGION( 0x20000, REGION_GFX1, 0 ) /* sprite data */
+ ROM_LOAD( "epr-1246.prom-ic84", 0x00000, 0x2000, CRC(555bfe9a) SHA1(1e56385475eeff044dcd9b44a154991d3efe995e) ) /* level 0 */
+ ROM_RELOAD( 0x02000, 0x2000 )
+ ROM_LOAD( "epr-1247.prom-ic86", 0x04000, 0x2000, CRC(c8c5e4d5) SHA1(da70297340ddea0cd7fe04f2d94ea65f8202d0e5) ) /* level 1 */
+ ROM_RELOAD( 0x06000, 0x2000 )
+ ROM_LOAD( "epr-1248.prom-ic88", 0x08000, 0x2000, CRC(82fe5b94) SHA1(b96688ca0cfd90fdc4ee7c2e6c0b66726cc5713c) ) /* level 2 */
+ ROM_RELOAD( 0x0a000, 0x2000 )
+ ROM_LOAD( "epr-1249.prom-ic90", 0x0c000, 0x2000, CRC(e258e009) SHA1(598d382db0f789ea2fde749b7467abed545de25a) ) /* level 3 */
+ ROM_LOAD( "epr-1250.prom-ic108",0x0e000, 0x2000, CRC(aee6e05e) SHA1(99b9b1ec996746ddf713ed38192f350f1f32a847) )
+ ROM_LOAD( "epr-1251.prom-ic92", 0x10000, 0x2000, CRC(292573de) SHA1(3ddc980d11478a6a6e4082c2f76c1ab82ffe2f36) ) /* level 4 */
+ ROM_LOAD( "epr-1252.prom-ic110",0x12000, 0x2000, CRC(aee6e05e) SHA1(99b9b1ec996746ddf713ed38192f350f1f32a847) )
+ ROM_LOAD( "epr-1253.prom-ic94", 0x14000, 0x2000, CRC(92783626) SHA1(13979eb964112436182d2a92f21803bcc28f4a4a) ) /* level 5 */
+ ROM_LOAD( "epr-1254.prom-ic112",0x16000, 0x2000, CRC(aee6e05e) SHA1(99b9b1ec996746ddf713ed38192f350f1f32a847) )
+ ROM_LOAD( "epr-1255.prom-ic32", 0x18000, 0x2000, CRC(485dcef9) SHA1(0f760ebb42cc2580a29758c72428a41d74477ce6) ) /* level 6 */
+ ROM_LOAD( "epr-1256.prom-ic47", 0x1a000, 0x2000, CRC(aee6e05e) SHA1(99b9b1ec996746ddf713ed38192f350f1f32a847) )
+ ROM_LOAD( "epr-1257.prom-ic34", 0x1c000, 0x2000, CRC(4ca984ce) SHA1(99f294fb203f23929b44baa2dd1825c67dde08a1) ) /* level 7 */
+ ROM_LOAD( "epr-1258.prom-ic49", 0x1e000, 0x2000, CRC(aee6e05e) SHA1(99b9b1ec996746ddf713ed38192f350f1f32a847) )
+
+ ROM_REGION( 0x1000, REGION_GFX2, ROMREGION_DISPOSE ) /* foreground data */
+ ROM_LOAD( "epr-1244.cpu-ic111", 0x0000, 0x0800, CRC(17f67424) SHA1(6126562510f1509f3487faaa3b9d7470ab600a2c) )
+ ROM_LOAD( "epr-1245.cpu-ic122", 0x0800, 0x0800, CRC(2ba0b46b) SHA1(5d4d4f19ad7a911c7b37db190a420faf665546b4) )
+
+ ROM_REGION( 0x4800, REGION_GFX3, 0 ) /* road data */
+ ROM_LOAD( "epr-1125.cpu-ic1", 0x0000, 0x0800, CRC(65b5d44b) SHA1(bbdd5db013c9d876e9666f17c48569c7531bfc08) )
+ ROM_LOAD( "epr-1126.cpu-ic2", 0x0800, 0x0800, CRC(685ace1b) SHA1(99c8d36ac910169b27676d18c894433c2ba44853) )
+ ROM_LOAD( "epr-1127.cpu-ic13", 0x1000, 0x0800, CRC(9233c9ca) SHA1(cbf9a0f564d8ace1ccd701c1769dbc001d465851) )
+ ROM_LOAD( "epr-1238.cpu-ic14", 0x1800, 0x0800, CRC(d94fd83f) SHA1(1e3a68259d2ede623d5a7306fdf693a4eab301f0) )
+ ROM_LOAD( "epr-1239.cpu-ic27", 0x2000, 0x0800, CRC(4c41124f) SHA1(d73a9441552c77fb3078553195794311a950d589) )
+ ROM_LOAD( "epr-1240.cpu-ic28", 0x2800, 0x0800, CRC(371d6282) SHA1(f5902b357d976822d46aa6404b7bd30855d435a9) )
+ ROM_LOAD( "epr-1241.cpu-ic41", 0x3000, 0x0800, CRC(1109358a) SHA1(27a5351a4e87309671e72115299420315a93dba6) )
+ ROM_LOAD( "epr-1242.cpu-ic42", 0x3800, 0x0800, CRC(04866769) SHA1(1f9c0d53766fdaf8de57d3df05f291c2ca3dc5fb) )
+ ROM_LOAD( "epr-1243.cpu-ic74", 0x4000, 0x0800, CRC(29854c48) SHA1(cab89bc30f83d9746931ddf6f95a6d0c8a517e5d) )
+
+ ROM_REGION( 0x1020, REGION_PROMS, 0 ) /* various PROMs */
+ ROM_LOAD( "pr-1114.prom-ic13", 0x0000, 0x0020, CRC(78aded46) SHA1(c78afe804f8b8e837b0c502de5b8715a41fb92b9) ) /* road red/green color table */
+ ROM_LOAD( "pr-1115.prom-ic18", 0x0020, 0x0020, CRC(5394092c) SHA1(129ff61104979ff6a3c3af8bf81c04ae9b133c9e) ) /* road collision/enable */
+ ROM_LOAD( "pr-1116.prom-ic20", 0x0040, 0x0020, CRC(3956767d) SHA1(073aaf57175526660fcf7af2e16e7f1d1aaba9a9) ) /* collision detection */
+ ROM_LOAD( "pr-1117.prom-ic21", 0x0060, 0x0020, CRC(f06d9907) SHA1(f11db7800f41b03e79f5eef8d7ef3ae0a6277518) ) /* road green/blue color table */
+ ROM_LOAD( "pr-1118.cpu-ic99", 0x0100, 0x0100, CRC(07324cfd) SHA1(844abc2042d6810fa34d84ff1ed57744886c6ea6) ) /* background color table */
+ ROM_LOAD( "pr-1119.cpu-ic50", 0x0200, 0x0200, CRC(57ebd4bc) SHA1(932649da3537666f95833a8a8aff506217bd9aa1) ) /* sprite Y scaling */
+ ROM_LOAD( "pr-1120.cpu-ic62", 0x0400, 0x0200, CRC(8dd4c8a8) SHA1(e8d9cf08f115d57c44746fa0ff28f47b064b4193) ) /* video timing */
+ ROM_LOAD( "pr-1121.prom-ic29", 0x0600, 0x0200, CRC(7692f497) SHA1(42468c0705df9928e15ff8deb7e793a6c0c04353) ) /* palette */
+ ROM_LOAD( "pr-1122.prom-ic11", 0x0800, 0x0400, CRC(1a86ce70) SHA1(cab708b9a089b2e28f2298c1e4fae6e200923527) ) /* sprite priorities */
+ ROM_LOAD( "pr-1123.prom-ic12", 0x0c00, 0x0400, CRC(02d2cb52) SHA1(c34d6b60355747ce20fcb8d322df0e188d187f10) ) /* sprite/road/background priorities */
+ ROM_LOAD( "pr-1279.sound-ic40", 0x1000, 0x0020, CRC(b369a6ae) SHA1(dda7c6cf58ce5173f29a3084c85393c0c4587086) ) /* sound board PROM */
+ROM_END
+
+
+ROM_START( subroc3d )
+ ROM_REGION( 0xa000, REGION_CPU1, 0 )
+ ROM_LOAD( "epr-1614a.cpu-ic88", 0x0000, 0x2000, CRC(0ed856b4) SHA1(c2f48170365a53bff312ca20df5b74466de6349a) )
+ ROM_LOAD( "epr-1615.cpu-ic87", 0x2000, 0x2000, CRC(6281eb2e) SHA1(591d7f184f51f33fb583c916eddacf4581d612d7) )
+ ROM_LOAD( "epr-1616.cpu-ic86", 0x4000, 0x2000, CRC(cc7b0c9b) SHA1(0b44c9a2421a51bdc16a2b590f24fbbfb47ef86f) )
+
+ ROM_REGION( 0x40000, REGION_GFX1, 0 ) /* sprite data */
+ ROM_LOAD( "epr-1417.prom-ic29", 0x00000, 0x2000, CRC(2aaff4e0) SHA1(4b4e4f65d63fb9648108c5f01248ffcb3b4bc54f) ) /* level 0 */
+ ROM_LOAD( "epr-1418.prom-ic30", 0x02000, 0x2000, CRC(41ff0f15) SHA1(c441c5368a3faf2544d617e1ceb5cb8eac23017d) )
+ ROM_LOAD( "epr-1419.prom-ic55", 0x08000, 0x2000, CRC(37ac818c) SHA1(26b15f410c6a6dcde498e20cece973d5ba23b0de) ) /* level 1 */
+ ROM_LOAD( "epr-1420.prom-ic56", 0x0a000, 0x2000, CRC(41ff0f15) SHA1(c441c5368a3faf2544d617e1ceb5cb8eac23017d) )
+ ROM_LOAD( "epr-1422.prom-ic81", 0x10000, 0x2000, CRC(0221db58) SHA1(8a157168610bf867a038229ad345de8f95741d04) ) /* level 2 */
+ ROM_LOAD( "epr-1423.prom-ic82", 0x12000, 0x2000, CRC(08b1a4b8) SHA1(8e64228911863bf93fdf8a17a2ddca739fb20cd6) )
+ ROM_LOAD( "epr-1421.prom-ic80", 0x16000, 0x2000, CRC(1db33c09) SHA1(1b2ec0c15fb178bed7cd2c877a6679ac6c59955c) )
+ ROM_LOAD( "epr-1425.prom-ic107", 0x18000, 0x2000, CRC(0221db58) SHA1(8a157168610bf867a038229ad345de8f95741d04) ) /* level 3 */
+ ROM_LOAD( "epr-1426.prom-ic108", 0x1a000, 0x2000, CRC(08b1a4b8) SHA1(8e64228911863bf93fdf8a17a2ddca739fb20cd6) )
+ ROM_LOAD( "epr-1424.prom-ic106", 0x1e000, 0x2000, CRC(1db33c09) SHA1(1b2ec0c15fb178bed7cd2c877a6679ac6c59955c) )
+ ROM_LOAD( "epr-1664.prom-ic116", 0x20000, 0x2000, CRC(6c93ece7) SHA1(b6523f08862f70743422283d7d46e226994add8c) ) /* level 4 */
+ ROM_LOAD( "epr-1427.prom-ic115", 0x22000, 0x2000, CRC(2f8cfc2d) SHA1(1ee1b57cf7133aee5c12d654112883af36dff2fa) )
+ ROM_LOAD( "epr-1429.prom-ic117", 0x26000, 0x2000, CRC(80e649c7) SHA1(433c847e05a072af8fd7a4d1f50ad856f569c0a6) )
+ ROM_LOAD( "epr-1665.prom-ic90", 0x28000, 0x2000, CRC(6c93ece7) SHA1(b6523f08862f70743422283d7d46e226994add8c) ) /* level 5 */
+ ROM_LOAD( "epr-1430.prom-ic89", 0x2a000, 0x2000, CRC(2f8cfc2d) SHA1(1ee1b57cf7133aee5c12d654112883af36dff2fa) )
+ ROM_LOAD( "epr-1432.prom-ic91", 0x2e000, 0x2000, CRC(d9cd98d0) SHA1(4e1c135ea19375c6a97aac3d134572a45972c56a) )
+ ROM_LOAD( "epr-1666.prom-ic64", 0x30000, 0x2000, CRC(6c93ece7) SHA1(b6523f08862f70743422283d7d46e226994add8c) ) /* level 6 */
+ ROM_LOAD( "epr-1433.prom-ic63", 0x32000, 0x2000, CRC(2f8cfc2d) SHA1(1ee1b57cf7133aee5c12d654112883af36dff2fa) )
+ ROM_LOAD( "epr-1436.prom-ic66", 0x34000, 0x2000, CRC(fc4ad926) SHA1(bf6659ac9eaf5e85bc73848ab4e0c6c7413b55a8) )
+ ROM_LOAD( "epr-1435.prom-ic65", 0x36000, 0x2000, CRC(40662eef) SHA1(23bf268ea93288af90bd0e8d6f506a5b92490829) )
+ ROM_LOAD( "epr-1438.prom-ic38", 0x38000, 0x2000, CRC(d563d4c1) SHA1(81ebb65c3c0a44aaddf6895a80533436b87a15c7) ) /* level 7 */
+ ROM_LOAD( "epr-1437.prom-ic37", 0x3a000, 0x2000, CRC(18ba6aad) SHA1(b959f09739909b835d790928f35b7f7e6bd52c31) )
+ ROM_LOAD( "epr-1440.prom-ic40", 0x3c000, 0x2000, CRC(3a0e659c) SHA1(51e64b2417cf3b599aa9ecc84457462a5dca2a61) )
+ ROM_LOAD( "epr-1439.prom-ic39", 0x3e000, 0x2000, CRC(3d051668) SHA1(aa4f6152235f07ad39019c46dfacf69d70a7fdcc) )
+
+ ROM_REGION( 0x01000, REGION_GFX2, ROMREGION_DISPOSE ) /* foreground data */
+ ROM_LOAD( "epr-1618.cpu-ic82", 0x0000, 0x0800, CRC(a25fea71) SHA1(283efee3951d081119d756114f9f49c2996de5f2) )
+ ROM_LOAD( "epr-1617.cpu-ic83", 0x0800, 0x0800, CRC(f70c678e) SHA1(1fabf0011fa4fefd29daf18d4ed6b2cbec14e7b7) )
+
+ ROM_REGION( 0x0a00, REGION_PROMS, 0 ) /* various PROMs */
+ ROM_LOAD( "pr-1419.cpu-ic108", 0x00000, 0x0200, CRC(2cfa2a3f) SHA1(7e2ed2f4ef3324c41da153828c7976e7ba91af7c) ) /* color prom */
+ ROM_LOAD( "pr-1620.cpu-ic62", 0x00200, 0x0100, CRC(0ab7ef09) SHA1(b89f8889e2c1220b381e1d6ecc4105cb4152e350) ) /* char color palette */
+ ROM_LOAD( "pr-1449.cpu-ic5", 0x00300, 0x0200, CRC(5eb9ff47) SHA1(b8b1e7cfb8aa380663684df6090c48c7c57a6d50) ) /* sprite Y scaling */
+ ROM_LOAD( "pr-1450.cpu-ic21", 0x00500, 0x0200, CRC(66bdb00c) SHA1(3956647b27a73770bd163eb7ad29fcd9243dac83) ) /* sprite priority */
+ ROM_LOAD( "pr-1451.cpu-ic58", 0x00700, 0x0200, CRC(6a575261) SHA1(79f690db671e471153cbdf1939e733da74fcdc08) ) /* video timing */
+ ROM_LOAD( "pr-1453.cpu-ic39", 0x00900, 0x0020, CRC(181c6d23) SHA1(4749b205cbaa513ee65a644946235d2cfe275648) ) /* sprite state machine */
+ ROM_LOAD( "pr-1454.cpu-ic67", 0x00920, 0x0020, CRC(dc683440) SHA1(8469914d364dc8f9d0839cae3c864de3b2f3c8df) ) /* flipped tilemap addressing */
+ROM_END
+
+
+ROM_START( buckrog )
+ ROM_REGION( 0xc000, REGION_CPU1, 0 )
+ ROM_LOAD( "cpu-ic3", 0x0000, 0x4000, CRC(f0055e97) SHA1(f6ee2afd6fef710949087d1cb04cbc242d1fa9f5) ) /* encrypted */
+ ROM_LOAD( "cpu-ic4", 0x4000, 0x4000, CRC(7d084c39) SHA1(ef2c0a2a59e14d9e196fd3837139fc5acf0f63be) ) /* encrypted */
+
+ ROM_REGION( 0x2000, REGION_CPU2, 0 )
+ ROM_LOAD( "epr-5200.cpu-ic66", 0x0000, 0x1000, CRC(0d58b154) SHA1(9f3951eb7ea1fa9ff914738462e4b4f755d60802) )
+
+ ROM_REGION( 0x40000, REGION_GFX1, 0 ) /* sprite data */
+ ROM_LOAD( "epr-5216.prom-ic100", 0x00000, 0x2000, CRC(8155bd73) SHA1(b6814f03eafe16457655598685b4827456b86335) ) /* level 0 */
+ ROM_LOAD( "epr-5213.prom-ic84", 0x08000, 0x2000, CRC(fd78dda4) SHA1(4328b5782cbe692765eac43a8eba40bdf2e41921) ) /* level 1 */
+ ROM_LOAD( "prom-ic68", 0x10000, 0x4000, CRC(2a194270) SHA1(8d4e444bd8a4e2fa32099787849e6c02cffe49b0) ) /* level 2 */
+ ROM_LOAD( "prom-ic52", 0x18000, 0x4000, CRC(b31a120f) SHA1(036cdf56cb43b892609a8f793d5ca66940bf128e) ) /* level 3 */
+ ROM_LOAD( "prom-ic43", 0x20000, 0x4000, CRC(d3584926) SHA1(7ad410ad84447a3edba2c51c4ec4314a117fffe7) ) /* level 4 */
+ ROM_LOAD( "prom-ic59", 0x28000, 0x4000, CRC(d83c7fcf) SHA1(4c4a590762ef87a3057a12e8d4310decbeb8613c) ) /* level 5 */
+ ROM_LOAD( "epr-5208.prom-ic58", 0x2c000, 0x2000, CRC(d181fed2) SHA1(fd46e609b7e04d0661c84ad0faa616d75b8ba89f) )
+ ROM_LOAD( "prom-ic75", 0x30000, 0x4000, CRC(1bd6e453) SHA1(472fbc7add05b96e368b961c5ef7ef27f3896216) ) /* level 6 */
+ ROM_LOAD( "epr-5239.prom-ic74", 0x34000, 0x2000, CRC(c34e9b82) SHA1(9e69fe9dcc631783e43abe356657f3c6a6a533d8) )
+ ROM_LOAD( "prom-ic91", 0x38000, 0x4000, CRC(221f4ced) SHA1(07498c9105c4c4589b19c2bc36abafb176de7bda) ) /* level 7 */
+ ROM_LOAD( "epr-5238.prom-ic90", 0x3c000, 0x2000, CRC(7aff0886) SHA1(09ed9fa973257bb23b488e02ef9e02d867e4c366) )
+
+ ROM_REGION( 0x01000, REGION_GFX2, ROMREGION_DISPOSE ) /* foreground data */
+ ROM_LOAD( "epr-5201.cpu-ic102", 0x0000, 0x0800, CRC(7f21b0a4) SHA1(b6d784031ffecb36863ae1d81eeaaf8f76ab83df) )
+ ROM_LOAD( "epr-5202.cpu-ic103", 0x0800, 0x0800, CRC(43f3e5a7) SHA1(2714943b6720311c5d226db3b6fe95d072677793) )
+
+ ROM_REGION( 0x2000, REGION_GFX3, 0 ) /* background color data */
+ ROM_LOAD( "epr-5203.cpu-ic91", 0x0000, 0x2000, CRC(631f5b65) SHA1(ce8b23cf97f7e08a13f426964ef140a20a884335) )
+
+ ROM_REGION( 0x0b00, REGION_PROMS, 0 ) /* various PROMs */
+ ROM_LOAD( "pr-5194.cpu-ic39", 0x0000, 0x0020, CRC(bc88cced) SHA1(5055362710c0f58823c05fb4c0e0eec638b91e3d) ) /* char layer X shift */
+ ROM_LOAD( "pr-5195.cpu-ic53", 0x0020, 0x0020, CRC(181c6d23) SHA1(4749b205cbaa513ee65a644946235d2cfe275648) ) /* sprite state machine */
+ ROM_LOAD( "pr-5196.cpu-ic10", 0x0100, 0x0200, CRC(04204bcf) SHA1(5636eb184463ac58fcfd20012d13d14fb0769124) ) /* sprite Y scaling */
+ ROM_LOAD( "pr-5197.cpu-ic78", 0x0300, 0x0200, CRC(a42674af) SHA1(db3590dd0d0f8a85d4ba32ac4ee33f2f4ee4c348) ) /* video timing */
+ ROM_LOAD( "pr-5198.cpu-ic93", 0x0500, 0x0200, CRC(32e74bc8) SHA1(dd2c812efd7b8f6b31a45e698d6453ea6bec132e) ) /* char colortable */
+ ROM_LOAD( "pr-5199.cpu-ic95", 0x0700, 0x0400, CRC(45e997a8) SHA1(023703b90b503310351b12157b1e732e61430fa5) ) /* sprite colortable */
+ROM_END
+
+
+ROM_START( buckrogn )
+ ROM_REGION( 0xc000, REGION_CPU1, 0 )
+ ROM_LOAD( "cpu-ic3", 0x0000, 0x4000, CRC(7f1910af) SHA1(22d37750282676d8fd1f602e928c174f823245c9) )
+ ROM_LOAD( "cpu-ic4", 0x4000, 0x4000, CRC(5ecd393b) SHA1(d069f12326644f2c685e516d91d33b97ec162c56) )
+
+ ROM_REGION( 0x2000, REGION_CPU2, 0 )
+ ROM_LOAD( "epr-5200.cpu-ic66", 0x0000, 0x1000, CRC(0d58b154) SHA1(9f3951eb7ea1fa9ff914738462e4b4f755d60802) )
+
+ ROM_REGION( 0x40000, REGION_GFX1, 0 ) /* sprite data */
+ ROM_LOAD( "epr-5216.prom-ic100", 0x00000, 0x2000, CRC(8155bd73) SHA1(b6814f03eafe16457655598685b4827456b86335) ) /* level 0 */
+ ROM_LOAD( "epr-5213.prom-ic84", 0x08000, 0x2000, CRC(fd78dda4) SHA1(4328b5782cbe692765eac43a8eba40bdf2e41921) ) /* level 1 */
+ ROM_LOAD( "prom-ic68", 0x10000, 0x4000, CRC(2a194270) SHA1(8d4e444bd8a4e2fa32099787849e6c02cffe49b0) ) /* level 2 */
+ ROM_LOAD( "prom-ic52", 0x18000, 0x4000, CRC(b31a120f) SHA1(036cdf56cb43b892609a8f793d5ca66940bf128e) ) /* level 3 */
+ ROM_LOAD( "prom-ic43", 0x20000, 0x4000, CRC(d3584926) SHA1(7ad410ad84447a3edba2c51c4ec4314a117fffe7) ) /* level 4 */
+ ROM_LOAD( "prom-ic59", 0x28000, 0x4000, CRC(d83c7fcf) SHA1(4c4a590762ef87a3057a12e8d4310decbeb8613c) ) /* level 5 */
+ ROM_LOAD( "epr-5208.prom-ic58", 0x2c000, 0x2000, CRC(d181fed2) SHA1(fd46e609b7e04d0661c84ad0faa616d75b8ba89f) )
+ ROM_LOAD( "prom-ic75", 0x30000, 0x4000, CRC(1bd6e453) SHA1(472fbc7add05b96e368b961c5ef7ef27f3896216) ) /* level 6 */
+ ROM_LOAD( "epr-5239.prom-ic74", 0x34000, 0x2000, CRC(c34e9b82) SHA1(9e69fe9dcc631783e43abe356657f3c6a6a533d8) )
+ ROM_LOAD( "prom-ic91", 0x38000, 0x4000, CRC(221f4ced) SHA1(07498c9105c4c4589b19c2bc36abafb176de7bda) ) /* level 7 */
+ ROM_LOAD( "epr-5238.prom-ic90", 0x3c000, 0x2000, CRC(7aff0886) SHA1(09ed9fa973257bb23b488e02ef9e02d867e4c366) )
+
+ ROM_REGION( 0x01000, REGION_GFX2, ROMREGION_DISPOSE ) /* foreground data */
+ ROM_LOAD( "epr-5201.cpu-ic102", 0x0000, 0x0800, CRC(7f21b0a4) SHA1(b6d784031ffecb36863ae1d81eeaaf8f76ab83df) )
+ ROM_LOAD( "epr-5202.cpu-ic103", 0x0800, 0x0800, CRC(43f3e5a7) SHA1(2714943b6720311c5d226db3b6fe95d072677793) )
+
+ ROM_REGION( 0x2000, REGION_GFX3, 0 ) /* background color data */
+ ROM_LOAD( "epr-5203.cpu-ic91", 0x0000, 0x2000, CRC(631f5b65) SHA1(ce8b23cf97f7e08a13f426964ef140a20a884335) )
+
+ ROM_REGION( 0x0b00, REGION_PROMS, 0 ) /* various PROMs */
+ ROM_LOAD( "pr-5194.cpu-ic39", 0x0000, 0x0020, CRC(bc88cced) SHA1(5055362710c0f58823c05fb4c0e0eec638b91e3d) ) /* char layer X shift */
+ ROM_LOAD( "pr-5195.cpu-ic53", 0x0020, 0x0020, CRC(181c6d23) SHA1(4749b205cbaa513ee65a644946235d2cfe275648) ) /* sprite state machine */
+ ROM_LOAD( "pr-5196.cpu-ic10", 0x0100, 0x0200, CRC(04204bcf) SHA1(5636eb184463ac58fcfd20012d13d14fb0769124) ) /* sprite Y scaling */
+ ROM_LOAD( "pr-5197.cpu-ic78", 0x0300, 0x0200, CRC(a42674af) SHA1(db3590dd0d0f8a85d4ba32ac4ee33f2f4ee4c348) ) /* video timing */
+ ROM_LOAD( "pr-5198.cpu-ic93", 0x0500, 0x0200, CRC(32e74bc8) SHA1(dd2c812efd7b8f6b31a45e698d6453ea6bec132e) ) /* char colortable */
+ ROM_LOAD( "pr-5199.cpu-ic95", 0x0700, 0x0400, CRC(45e997a8) SHA1(023703b90b503310351b12157b1e732e61430fa5) ) /* sprite colortable */
+ROM_END
+
+
+ROM_START( zoom909 )
+ ROM_REGION( 0xc000, REGION_CPU1, 0 )
+ ROM_LOAD( "epr-5217b.cpu-ic3", 0x0000, 0x4000, CRC(1b56e7dd) SHA1(ccf638c318ebce754ac9628271d2064e05ced35c) ) /* encrypted */
+ ROM_LOAD( "epr-5218b.cpu-ic4", 0x4000, 0x4000, CRC(77dfd911) SHA1(cc1d4aac863b2d6b52eff7de2b8233be21aac3c9) ) /* encrypted */
+
+ ROM_REGION( 0x2000, REGION_CPU2, 0 )
+ ROM_LOAD( "epr-5200.cpu-ic66", 0x0000, 0x1000, CRC(0d58b154) SHA1(9f3951eb7ea1fa9ff914738462e4b4f755d60802) )
+
+ ROM_REGION( 0x40000, REGION_GFX1, 0 ) /* sprite data */
+ ROM_LOAD( "epr-5216.prom-ic100", 0x00000, 0x2000, CRC(8155bd73) SHA1(b6814f03eafe16457655598685b4827456b86335) ) /* level 0 */
+ ROM_LOAD( "epr-5213.prom-ic84", 0x08000, 0x2000, CRC(fd78dda4) SHA1(4328b5782cbe692765eac43a8eba40bdf2e41921) ) /* level 1 */
+ ROM_LOAD( "epr-5231.prom-ic68", 0x10000, 0x4000, CRC(f00385fc) SHA1(88f64159fdd9b0b8b6a26e7c52da74189f529eb4) ) /* level 2 */
+ ROM_LOAD( "epr-5207.prom-ic52", 0x18000, 0x4000, CRC(644f29d8) SHA1(301b94a522bf7a79195d96ca7a4c2ec6f63d45d2) ) /* level 3 */
+ ROM_LOAD( "epr-5206.prom-ic43", 0x20000, 0x4000, CRC(049dc998) SHA1(8184a92895b04ea140f073c2345284c23fba7fd4) ) /* level 4 */
+ ROM_LOAD( "epr-5209.prom-ic59", 0x28000, 0x4000, CRC(0ff9ff71) SHA1(9038949b657269a3b3287ad526c0e14ebe87525a) ) /* level 5 */
+ ROM_LOAD( "epr-5208.prom-ic58", 0x2c000, 0x2000, CRC(d181fed2) SHA1(fd46e609b7e04d0661c84ad0faa616d75b8ba89f) )
+ ROM_LOAD( "epr-5212.prom-ic75", 0x30000, 0x4000, CRC(9359ec4f) SHA1(4783527b9961df259e7fbbf8db0b599882dd1207) ) /* level 6 */
+ ROM_LOAD( "epr-5211.prom-ic74", 0x34000, 0x2000, CRC(d181fed2) SHA1(fd46e609b7e04d0661c84ad0faa616d75b8ba89f) )
+ ROM_LOAD( "epr-5215.prom-ic91", 0x38000, 0x4000, CRC(f5dacc53) SHA1(fe536d16ccb249c26a046f60dc804f5d3be430dc) ) /* level 7 */
+ ROM_LOAD( "epr-5214.prom-ic90", 0x3c000, 0x2000, CRC(68306dd6) SHA1(63644e38b36512d93464280d73344c97d9ec1f78) )
+
+ ROM_REGION( 0x01000, REGION_GFX2, ROMREGION_DISPOSE ) /* foreground data */
+ ROM_LOAD( "epr-5201.cpu-ic102", 0x0000, 0x0800, CRC(7f21b0a4) SHA1(b6d784031ffecb36863ae1d81eeaaf8f76ab83df) )
+ ROM_LOAD( "epr-5202.cpu-ic103", 0x0800, 0x0800, CRC(43f3e5a7) SHA1(2714943b6720311c5d226db3b6fe95d072677793) )
+
+ ROM_REGION( 0x2000, REGION_GFX3, 0 ) /* background color data */
+ ROM_LOAD( "epr-5203.cpu-ic91", 0x0000, 0x2000, CRC(631f5b65) SHA1(ce8b23cf97f7e08a13f426964ef140a20a884335) )
+
+ ROM_REGION( 0x0b00, REGION_PROMS, 0 ) /* various PROMs */
+ ROM_LOAD( "pr-5194.cpu-ic39", 0x0000, 0x0020, CRC(bc88cced) SHA1(5055362710c0f58823c05fb4c0e0eec638b91e3d) ) /* char layer X shift */
+ ROM_LOAD( "pr-5195.cpu-ic53", 0x0020, 0x0020, CRC(181c6d23) SHA1(4749b205cbaa513ee65a644946235d2cfe275648) ) /* sprite state machine */
+ ROM_LOAD( "pr-5196.cpu-ic10", 0x0100, 0x0200, CRC(04204bcf) SHA1(5636eb184463ac58fcfd20012d13d14fb0769124) ) /* sprite Y scaling */
+ ROM_LOAD( "pr-5197.cpu-ic78", 0x0300, 0x0200, CRC(a42674af) SHA1(db3590dd0d0f8a85d4ba32ac4ee33f2f4ee4c348) ) /* video timing */
+ ROM_LOAD( "pr-5198.cpu-ic93", 0x0500, 0x0200, CRC(32e74bc8) SHA1(dd2c812efd7b8f6b31a45e698d6453ea6bec132e) ) /* char colortable */
+ ROM_LOAD( "pr-5199.cpu-ic95", 0x0700, 0x0400, BAD_DUMP CRC(45e997a8) SHA1(023703b90b503310351b12157b1e732e61430fa5) ) /* sprite colortable */
+ROM_END
+
+
+
+/*************************************
+ *
+ * Turbo ROM decoding
+ *
+ *************************************/
+
+static void turbo_rom_decode(void)
+{
+ /*
+ * The table is arranged this way (second half is mirror image of first)
+ *
+ * 0 1 2 3 4 5 6 7 8 9 A B C D E F
+ *
+ * 0 00 00 00 00 01 01 01 01 02 02 02 02 03 03 03 03
+ * 1 04 04 04 04 05 05 05 05 06 06 06 06 07 07 07 07
+ * 2 08 08 08 08 09 09 09 09 0A 0A 0A 0A 0B 0B 0B 0B
+ * 3 0C 0C 0C 0C 0D 0D 0D 0D 0E 0E 0E 0E 0F 0F 0F 0F
+ * 4 10 10 10 10 11 11 11 11 12 12 12 12 13 13 13 13
+ * 5 14 14 14 14 15 15 15 15 16 16 16 16 17 17 17 17
+ * 6 18 18 18 18 19 19 19 19 1A 1A 1A 1A 1B 1B 1B 1B
+ * 7 1C 1C 1C 1C 1D 1D 1D 1D 1E 1E 1E 1E 1F 1F 1F 1F
+ * 8 1F 1F 1F 1F 1E 1E 1E 1E 1D 1D 1D 1D 1C 1C 1C 1C
+ * 9 1B 1B 1B 1B 1A 1A 1A 1A 19 19 19 19 18 18 18 18
+ * A 17 17 17 17 16 16 16 16 15 15 15 15 14 14 14 14
+ * B 13 13 13 13 12 12 12 12 11 11 11 11 10 10 10 10
+ * C 0F 0F 0F 0F 0E 0E 0E 0E 0D 0D 0D 0D 0C 0C 0C 0C
+ * D 0B 0B 0B 0B 0A 0A 0A 0A 09 09 09 09 08 08 08 08
+ * E 07 07 07 07 06 06 06 06 05 05 05 05 04 04 04 04
+ * F 03 03 03 03 02 02 02 02 01 01 01 01 00 00 00 00
+ *
+ */
+ static const UINT8 xortable[][32]=
+ {
+ /* Table 0 */
+ /* 0x0000-0x3ff */
+ /* 0x0800-0xbff */
+ /* 0x4000-0x43ff */
+ /* 0x4800-0x4bff */
+ { 0x00,0x44,0x0c,0x48,0x00,0x44,0x0c,0x48,
+ 0xa0,0xe4,0xac,0xe8,0xa0,0xe4,0xac,0xe8,
+ 0x60,0x24,0x6c,0x28,0x60,0x24,0x6c,0x28,
+ 0xc0,0x84,0xcc,0x88,0xc0,0x84,0xcc,0x88 },
+
+ /* Table 1 */
+ /* 0x0400-0x07ff */
+ /* 0x0c00-0x0fff */
+ /* 0x1400-0x17ff */
+ /* 0x1c00-0x1fff */
+ /* 0x2400-0x27ff */
+ /* 0x2c00-0x2fff */
+ /* 0x3400-0x37ff */
+ /* 0x3c00-0x3fff */
+ /* 0x4400-0x47ff */
+ /* 0x4c00-0x4fff */
+ /* 0x5400-0x57ff */
+ /* 0x5c00-0x5fff */
+ { 0x00,0x44,0x18,0x5c,0x14,0x50,0x0c,0x48,
+ 0x28,0x6c,0x30,0x74,0x3c,0x78,0x24,0x60,
+ 0x60,0x24,0x78,0x3c,0x74,0x30,0x6c,0x28,
+ 0x48,0x0c,0x50,0x14,0x5c,0x18,0x44,0x00 }, //0x00 --> 0x10 ?
+
+ /* Table 2 */
+ /* 0x1000-0x13ff */
+ /* 0x1800-0x1bff */
+ /* 0x5000-0x53ff */
+ /* 0x5800-0x5bff */
+ { 0x00,0x00,0x28,0x28,0x90,0x90,0xb8,0xb8,
+ 0x28,0x28,0x00,0x00,0xb8,0xb8,0x90,0x90,
+ 0x00,0x00,0x28,0x28,0x90,0x90,0xb8,0xb8,
+ 0x28,0x28,0x00,0x00,0xb8,0xb8,0x90,0x90 },
+
+ /* Table 3 */
+ /* 0x2000-0x23ff */
+ /* 0x2800-0x2bff */
+ /* 0x3000-0x33ff */
+ /* 0x3800-0x3bff */
+ { 0x00,0x14,0x88,0x9c,0x30,0x24,0xb8,0xac,
+ 0x24,0x30,0xac,0xb8,0x14,0x00,0x9c,0x88,
+ 0x48,0x5c,0xc0,0xd4,0x78,0x6c,0xf0,0xe4,
+ 0x6c,0x78,0xe4,0xf0,0x5c,0x48,0xd4,0xc0 }
+ };
+
+ static const int findtable[]=
+ {
+ 0,1,0,1, /* 0x0000-0x0fff */
+ 2,1,2,1, /* 0x1000-0x1fff */
+ 3,1,3,1, /* 0x2000-0x2fff */
+ 3,1,3,1, /* 0x3000-0x3fff */
+ 0,1,0,1, /* 0x4000-0x4fff */
+ 2,1,2,1 /* 0x5000-0x5fff */
+ };
+
+ UINT8 *RAM = memory_region(REGION_CPU1);
+ int offs, i, j;
+ UINT8 src;
+
+ for (offs = 0x0000; offs < 0x6000; offs++)
+ {
+ src = RAM[offs];
+ i = findtable[offs >> 10];
+ j = src >> 2;
+ if (src & 0x80) j ^= 0x3f;
+ RAM[offs] = src ^ xortable[i][j];
+ }
+}
+
+
+
+/*************************************
+ *
+ * Driver init
+ *
+ *************************************/
+
+static DRIVER_INIT( turbo )
+{
+ static ppi8255_interface turbo_8255_intf =
+ {
+ 4,
+ { NULL, NULL, NULL, turbo_analog_r },
+ { NULL, NULL, NULL, input_port_2_r },
+ { NULL, NULL, NULL, NULL },
+ { turbo_ppi0a_w, turbo_ppi1a_w, turbo_sound_a_w, NULL },
+ { turbo_ppi0b_w, turbo_ppi1b_w, turbo_sound_b_w, NULL },
+ { turbo_ppi0c_w, turbo_ppi1c_w, turbo_sound_c_w, turbo_ppi3c_w }
+ };
+ ppi8255_init(&turbo_8255_intf);
+}
+
+static DRIVER_INIT( turbo_enc )
+{
+ turbo_rom_decode();
+ driver_init_turbo(machine);
+}
+
+
+static DRIVER_INIT( subroc3d )
+{
+ static ppi8255_interface subroc3d_8255_intf =
+ {
+ 2,
+ { NULL, NULL },
+ { NULL, NULL },
+ { NULL, NULL },
+ { subroc3d_ppi0a_w, subroc3d_sound_a_w },
+ { subroc3d_ppi0b_w, subroc3d_sound_b_w },
+ { subroc3d_ppi0c_w, subroc3d_sound_c_w }
+ };
+ ppi8255_init(&subroc3d_8255_intf);
+}
+
+
+static DRIVER_INIT( buckrog )
+{
+ static ppi8255_interface buckrog_8255_intf =
+ {
+ 2,
+ { NULL, NULL },
+ { NULL, NULL },
+ { NULL, NULL },
+ { buckrog_ppi0a_w, buckrog_sound_a_w },
+ { buckrog_ppi0b_w, buckrog_sound_b_w },
+ { buckrog_ppi0c_w, buckrog_ppi1c_w }
+ };
+ ppi8255_init(&buckrog_8255_intf);
+}
+
+static DRIVER_INIT( buckrog_enc )
+{
+ buckrog_decode();
+ driver_init_buckrog(machine);
+}
+
+
+
+/*************************************
+ *
+ * Game drivers
+ *
+ *************************************/
+
+GAMEL( 1981, turbo, 0, turbo, turbo, turbo, ROT270, "Sega", "Turbo", 0, layout_turbo )
+GAMEL( 1981, turboa, turbo, turbo, turbo, turbo_enc, ROT270, "Sega", "Turbo (encrypted set 1)", 0, layout_turbo )
+GAMEL( 1981, turbob, turbo, turbo, turbo, turbo_enc, ROT270, "Sega", "Turbo (encrypted set 2)", 0, layout_turbo )
+GAMEL( 1982, subroc3d, 0, subroc3d, subroc3d, subroc3d, ORIENTATION_FLIP_X, "Sega", "Subroc-3D", 0, layout_subroc3d )
+GAMEL( 1982, buckrog, 0, buckrog, buckrog, buckrog_enc, ROT0, "Sega", "Buck Rogers: Planet of Zoom", 0, layout_buckrog )
+GAMEL( 1982, zoom909, buckrog, buckrog, buckrog, buckrog_enc, ROT0, "Sega", "Zoom 909", GAME_IMPERFECT_COLORS, layout_buckrog ) // bad PROM
+GAMEL( 1982, buckrogn, buckrog, buckrog, buckrog, buckrog, ROT0, "Sega", "Buck Rogers: Planet of Zoom (not encrypted)", 0, layout_buckrog )