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-rw-r--r--trunk/src/mame/drivers/alg.c840
1 files changed, 840 insertions, 0 deletions
diff --git a/trunk/src/mame/drivers/alg.c b/trunk/src/mame/drivers/alg.c
new file mode 100644
index 00000000000..cbf25cbf12a
--- /dev/null
+++ b/trunk/src/mame/drivers/alg.c
@@ -0,0 +1,840 @@
+/**************************************************************************************
+
+ American Laser Game Hardware
+
+ Amiga 500 + sony ldp1450 laserdisc palyer
+
+ Games Supported:
+
+ Mad Dog McCree [3 versions]
+ Who Shot Johnny Rock? [2 versions]
+ Mad Dog II: The Lost Gold [2 versions]
+ Space Pirates
+ Gallagher's Gallery
+ Crime Patrol
+ Crime Patrol 2: Drug Wars [2 versions]
+ The Last Bounty Hunter
+ Fast Draw Showdown
+ Platoon
+ Zorton Brothers (Los Justicieros)
+
+**************************************************************************************/
+
+#include "emu.h"
+#include "cpu/m68000/m68000.h"
+#include "render.h"
+#include "includes/amiga.h"
+#include "machine/ldstub.h"
+#include "machine/6526cia.h"
+#include "machine/nvram.h"
+#include "machine/amigafdc.h"
+
+
+class alg_state : public amiga_state
+{
+public:
+ alg_state(const machine_config &mconfig, device_type type, const char *tag)
+ : amiga_state(mconfig, type, tag),
+ m_laserdisc(*this, "laserdisc") { }
+
+
+ required_device<sony_ldp1450_device> m_laserdisc;
+ emu_timer *m_serial_timer;
+ UINT8 m_serial_timer_active;
+ UINT16 m_input_select;
+ DECLARE_CUSTOM_INPUT_MEMBER(lightgun_pos_r);
+ DECLARE_CUSTOM_INPUT_MEMBER(lightgun_trigger_r);
+ DECLARE_CUSTOM_INPUT_MEMBER(lightgun_holster_r);
+};
+
+static TIMER_CALLBACK( response_timer );
+
+
+
+/*************************************
+ *
+ * Lightgun reading
+ *
+ *************************************/
+
+static int get_lightgun_pos(screen_device &screen, int player, int *x, int *y)
+{
+ const rectangle &visarea = screen.visible_area();
+
+ int xpos = screen.machine().root_device().ioport((player == 0) ? "GUN1X" : "GUN2X")->read_safe(0xffffffff);
+ int ypos = screen.machine().root_device().ioport((player == 0) ? "GUN1Y" : "GUN2Y")->read_safe(0xffffffff);
+
+ if (xpos == -1 || ypos == -1)
+ return FALSE;
+
+ *x = visarea.min_x + xpos * visarea.width() / 255;
+ *y = visarea.min_y + ypos * visarea.height() / 255;
+ return TRUE;
+}
+
+
+
+/*************************************
+ *
+ * Video startup
+ *
+ *************************************/
+
+static VIDEO_START( alg )
+{
+ /* standard video start */
+ VIDEO_START_CALL(amiga);
+
+ /* configure pen 4096 as transparent in the renderer and use it for the genlock color */
+ palette_set_color(machine, 4096, MAKE_ARGB(0,0,0,0));
+ amiga_set_genlock_color(machine, 4096);
+}
+
+
+
+/*************************************
+ *
+ * Machine start/reset
+ *
+ *************************************/
+
+static MACHINE_START( alg )
+{
+ alg_state *state = machine.driver_data<alg_state>();
+
+ state->m_serial_timer = machine.scheduler().timer_alloc(FUNC(response_timer));
+ state->m_serial_timer_active = FALSE;
+}
+
+
+static MACHINE_RESET( alg )
+{
+ MACHINE_RESET_CALL(amiga);
+}
+
+
+
+/*************************************
+ *
+ * Laserdisc communication
+ *
+ *************************************/
+
+static TIMER_CALLBACK( response_timer )
+{
+ alg_state *state = machine.driver_data<alg_state>();
+
+ /* if we still have data to send, do it now */
+ if (state->m_laserdisc->data_available_r() == ASSERT_LINE)
+ {
+ UINT8 data = state->m_laserdisc->data_r();
+ if (data != 0x0a)
+ mame_printf_debug("Sending serial data = %02X\n", data);
+ amiga_serial_in_w(machine, data);
+ }
+
+ /* if there's more to come, set another timer */
+ if (state->m_laserdisc->data_available_r() == ASSERT_LINE)
+ state->m_serial_timer->adjust(amiga_get_serial_char_period(machine));
+ else
+ state->m_serial_timer_active = FALSE;
+}
+
+
+static void vsync_callback(running_machine &machine)
+{
+ alg_state *state = machine.driver_data<alg_state>();
+
+ /* if we have data available, set a timer to read it */
+ if (!state->m_serial_timer_active && state->m_laserdisc->data_available_r() == ASSERT_LINE)
+ {
+ state->m_serial_timer->adjust(amiga_get_serial_char_period(machine));
+ state->m_serial_timer_active = TRUE;
+ }
+}
+
+
+static void serial_w(running_machine &machine, UINT16 data)
+{
+ alg_state *state = machine.driver_data<alg_state>();
+
+ /* write to the laserdisc player */
+ state->m_laserdisc->data_w(data & 0xff);
+
+ /* if we have data available, set a timer to read it */
+ if (!state->m_serial_timer_active && state->m_laserdisc->data_available_r() == ASSERT_LINE)
+ {
+ state->m_serial_timer->adjust(amiga_get_serial_char_period(machine));
+ state->m_serial_timer_active = TRUE;
+ }
+}
+
+
+
+/*************************************
+ *
+ * I/O ports
+ *
+ *************************************/
+
+static void alg_potgo_w(running_machine &machine, UINT16 data)
+{
+ alg_state *state = machine.driver_data<alg_state>();
+
+ /* bit 15 controls whether pin 9 is input/output */
+ /* bit 14 controls the value, which selects which player's controls to read */
+ state->m_input_select = (data & 0x8000) ? ((data >> 14) & 1) : 0;
+}
+
+
+CUSTOM_INPUT_MEMBER(alg_state::lightgun_pos_r)
+{
+ int x = 0, y = 0;
+
+ /* get the position based on the input select */
+ get_lightgun_pos(*machine().primary_screen, m_input_select, &x, &y);
+ return (y << 8) | (x >> 2);
+}
+
+
+CUSTOM_INPUT_MEMBER(alg_state::lightgun_trigger_r)
+{
+
+ /* read the trigger control based on the input select */
+ return (ioport("TRIGGERS")->read() >> m_input_select) & 1;
+}
+
+
+CUSTOM_INPUT_MEMBER(alg_state::lightgun_holster_r)
+{
+
+ /* read the holster control based on the input select */
+ return (ioport("TRIGGERS")->read() >> (2 + m_input_select)) & 1;
+}
+
+
+
+/*************************************
+ *
+ * CIA port accesses
+ *
+ *************************************/
+
+static WRITE8_DEVICE_HANDLER( alg_cia_0_porta_w )
+{
+ address_space *space = device->machine().device("maincpu")->memory().space(AS_PROGRAM);
+
+ /* switch banks as appropriate */
+ device->machine().root_device().membank("bank1")->set_entry(data & 1);
+
+ /* swap the write handlers between ROM and bank 1 based on the bit */
+ if ((data & 1) == 0)
+ /* overlay disabled, map RAM on 0x000000 */
+ space->install_write_bank(0x000000, 0x07ffff, "bank1");
+
+ else
+ /* overlay enabled, map Amiga system ROM on 0x000000 */
+ space->unmap_write(0x000000, 0x07ffff);
+}
+
+
+static READ8_DEVICE_HANDLER( alg_cia_0_porta_r )
+{
+ return device->machine().root_device().ioport("FIRE")->read() | 0x3f;
+}
+
+
+static READ8_DEVICE_HANDLER( alg_cia_0_portb_r )
+{
+ logerror("%s:alg_cia_0_portb_r\n", device->machine().describe_context());
+ return 0xff;
+}
+
+
+static WRITE8_DEVICE_HANDLER( alg_cia_0_portb_w )
+{
+ /* parallel port */
+ logerror("%s:alg_cia_0_portb_w(%02x)\n", device->machine().describe_context(), data);
+}
+
+
+static READ8_DEVICE_HANDLER( alg_cia_1_porta_r )
+{
+ logerror("%s:alg_cia_1_porta_r\n", device->machine().describe_context());
+ return 0xff;
+}
+
+
+static WRITE8_DEVICE_HANDLER( alg_cia_1_porta_w )
+{
+ logerror("%s:alg_cia_1_porta_w(%02x)\n", device->machine().describe_context(), data);
+}
+
+
+
+/*************************************
+ *
+ * Memory map
+ *
+ *************************************/
+
+static ADDRESS_MAP_START( main_map_r1, AS_PROGRAM, 16, alg_state )
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x000000, 0x07ffff) AM_RAMBANK("bank1") AM_SHARE("chip_ram")
+ AM_RANGE(0xbfd000, 0xbfefff) AM_READWRITE_LEGACY(amiga_cia_r, amiga_cia_w)
+ AM_RANGE(0xc00000, 0xdfffff) AM_READWRITE_LEGACY(amiga_custom_r, amiga_custom_w) AM_SHARE("custom_regs")
+ AM_RANGE(0xe80000, 0xe8ffff) AM_READWRITE_LEGACY(amiga_autoconfig_r, amiga_autoconfig_w)
+ AM_RANGE(0xfc0000, 0xffffff) AM_ROM AM_REGION("user1", 0) /* System ROM */
+
+ AM_RANGE(0xf00000, 0xf1ffff) AM_ROM AM_REGION("user2", 0) /* Custom ROM */
+ AM_RANGE(0xf54000, 0xf55fff) AM_RAM AM_SHARE("nvram")
+ADDRESS_MAP_END
+
+
+static ADDRESS_MAP_START( main_map_r2, AS_PROGRAM, 16, alg_state )
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x000000, 0x07ffff) AM_RAMBANK("bank1") AM_SHARE("chip_ram")
+ AM_RANGE(0xbfd000, 0xbfefff) AM_READWRITE_LEGACY(amiga_cia_r, amiga_cia_w)
+ AM_RANGE(0xc00000, 0xdfffff) AM_READWRITE_LEGACY(amiga_custom_r, amiga_custom_w) AM_SHARE("custom_regs")
+ AM_RANGE(0xe80000, 0xe8ffff) AM_READWRITE_LEGACY(amiga_autoconfig_r, amiga_autoconfig_w)
+ AM_RANGE(0xfc0000, 0xffffff) AM_ROM AM_REGION("user1", 0) /* System ROM */
+
+ AM_RANGE(0xf00000, 0xf3ffff) AM_ROM AM_REGION("user2", 0) /* Custom ROM */
+ AM_RANGE(0xf7c000, 0xf7dfff) AM_RAM AM_SHARE("nvram")
+ADDRESS_MAP_END
+
+
+static ADDRESS_MAP_START( main_map_picmatic, AS_PROGRAM, 16, alg_state )
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x000000, 0x07ffff) AM_RAMBANK("bank1") AM_SHARE("chip_ram")
+ AM_RANGE(0xbfd000, 0xbfefff) AM_READWRITE_LEGACY(amiga_cia_r, amiga_cia_w)
+ AM_RANGE(0xc00000, 0xdfffff) AM_READWRITE_LEGACY(amiga_custom_r, amiga_custom_w) AM_SHARE("custom_regs")
+ AM_RANGE(0xe80000, 0xe8ffff) AM_READWRITE_LEGACY(amiga_autoconfig_r, amiga_autoconfig_w)
+ AM_RANGE(0xfc0000, 0xffffff) AM_ROM AM_REGION("user1", 0) /* System ROM */
+
+ AM_RANGE(0xf00000, 0xf1ffff) AM_ROM AM_REGION("user2", 0) /* Custom ROM */
+ AM_RANGE(0xf40000, 0xf41fff) AM_RAM AM_SHARE("nvram")
+ADDRESS_MAP_END
+
+
+
+/*************************************
+ *
+ * Input ports
+ *
+ *************************************/
+
+static INPUT_PORTS_START( alg )
+ PORT_START("JOY0DAT") /* read by Amiga core */
+ PORT_BIT( 0x0303, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, alg_state,amiga_joystick_convert, "P1JOY")
+ PORT_BIT( 0xfcfc, IP_ACTIVE_HIGH, IPT_UNKNOWN )
+
+ PORT_START("JOY1DAT") /* read by Amiga core */
+ PORT_BIT( 0x0303, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, alg_state,amiga_joystick_convert, "P2JOY")
+ PORT_BIT( 0xfcfc, IP_ACTIVE_HIGH, IPT_UNKNOWN )
+
+ PORT_START("POTGO") /* read by Amiga core */
+ PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
+ PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0xaaff, IP_ACTIVE_HIGH, IPT_UNUSED )
+
+ PORT_START("HVPOS") /* read by Amiga core */
+ PORT_BIT( 0x1ffff, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, alg_state,lightgun_pos_r, NULL)
+
+ PORT_START("FIRE")
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("P1JOY") /* referenced by JOY0DAT */
+ PORT_SERVICE_NO_TOGGLE( 0x01, IP_ACTIVE_HIGH )
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_START1 )
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_COIN1 )
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_COIN2 )
+
+ PORT_START("P2JOY") /* referenced by JOY1DAT */
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_PLAYER(1)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED )
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED )
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED )
+
+ PORT_START("GUN1X") /* referenced by lightgun_pos_r */
+ PORT_BIT( 0xff, 0x80, IPT_LIGHTGUN_X ) PORT_CROSSHAIR(X, 1.0, 0.0, 0) PORT_SENSITIVITY(50) PORT_KEYDELTA(10) PORT_PLAYER(1)
+
+ PORT_START("GUN1Y") /* referenced by lightgun_pos_r */
+ PORT_BIT( 0xff, 0x80, IPT_LIGHTGUN_Y ) PORT_CROSSHAIR(Y, 1.0, 0.0, 0) PORT_SENSITIVITY(70) PORT_KEYDELTA(10) PORT_PLAYER(1)
+INPUT_PORTS_END
+
+
+static INPUT_PORTS_START( alg_2p )
+ PORT_INCLUDE(alg)
+
+ PORT_MODIFY("POTGO")
+ PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_START2 )
+ PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, alg_state,lightgun_trigger_r, NULL)
+
+ PORT_MODIFY("FIRE")
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_MODIFY("P2JOY")
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, alg_state,lightgun_holster_r, NULL)
+
+ PORT_START("GUN2X") /* referenced by lightgun_pos_r */
+ PORT_BIT( 0xff, 0x80, IPT_LIGHTGUN_X ) PORT_CROSSHAIR(X, 1.0, 0.0, 0) PORT_SENSITIVITY(50) PORT_KEYDELTA(10) PORT_PLAYER(2)
+
+ PORT_START("GUN2Y") /* referenced by lightgun_pos_r */
+ PORT_BIT( 0xff, 0x80, IPT_LIGHTGUN_Y ) PORT_CROSSHAIR(Y, 1.0, 0.0, 0) PORT_SENSITIVITY(70) PORT_KEYDELTA(10) PORT_PLAYER(2)
+
+ PORT_START("TRIGGERS") /* referenced by lightgun_trigger_r and lightgun_holster_r */
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(1)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(2)
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(1)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(2)
+INPUT_PORTS_END
+
+
+
+/*************************************
+ *
+ * Machine driver
+ *
+ *************************************/
+
+static const mos6526_interface cia_0_intf =
+{
+ 0, /* tod_clock */
+ DEVCB_LINE(amiga_cia_0_irq), /* irq_func */
+ DEVCB_NULL, /* pc_func */
+ DEVCB_NULL,
+ DEVCB_NULL,
+ DEVCB_HANDLER(alg_cia_0_porta_r),
+ DEVCB_HANDLER(alg_cia_0_porta_w), /* port A */
+ DEVCB_HANDLER(alg_cia_0_portb_r),
+ DEVCB_HANDLER(alg_cia_0_portb_w) /* port B */
+};
+
+static const mos6526_interface cia_1_intf =
+{
+ 0, /* tod_clock */
+ DEVCB_LINE(amiga_cia_1_irq), /* irq_func */
+ DEVCB_NULL, /* pc_func */
+ DEVCB_NULL,
+ DEVCB_NULL,
+ DEVCB_HANDLER(alg_cia_1_porta_r),
+ DEVCB_HANDLER(alg_cia_1_porta_w), /* port A */
+ DEVCB_NULL,
+ DEVCB_NULL /* port B */
+};
+
+static MACHINE_CONFIG_START( alg_r1, alg_state )
+
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", M68000, AMIGA_68000_NTSC_CLOCK)
+ MCFG_CPU_PROGRAM_MAP(main_map_r1)
+
+ MCFG_MACHINE_START(alg)
+ MCFG_MACHINE_RESET(alg)
+ MCFG_NVRAM_ADD_0FILL("nvram")
+
+ MCFG_LASERDISC_LDP1450_ADD("laserdisc")
+ MCFG_LASERDISC_OVERLAY_STATIC(512*2, 262, amiga)
+ MCFG_LASERDISC_OVERLAY_CLIP((129-8)*2, (449+8-1)*2, 44-8, 244+8-1)
+
+ /* video hardware */
+ MCFG_LASERDISC_SCREEN_ADD_NTSC("screen", "laserdisc")
+ MCFG_SCREEN_REFRESH_RATE(59.997)
+ MCFG_SCREEN_SIZE(512*2, 262)
+ MCFG_SCREEN_VISIBLE_AREA((129-8)*2, (449+8-1)*2, 44-8, 244+8-1)
+
+ MCFG_PALETTE_LENGTH(4097)
+ MCFG_PALETTE_INIT(amiga)
+
+ MCFG_VIDEO_START(alg)
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
+
+ MCFG_SOUND_ADD("amiga", AMIGA, 3579545)
+ MCFG_SOUND_ROUTE(0, "lspeaker", 0.25)
+ MCFG_SOUND_ROUTE(1, "rspeaker", 0.25)
+ MCFG_SOUND_ROUTE(2, "rspeaker", 0.25)
+ MCFG_SOUND_ROUTE(3, "lspeaker", 0.25)
+
+ MCFG_SOUND_MODIFY("laserdisc")
+ MCFG_SOUND_ROUTE(0, "lspeaker", 1.0)
+ MCFG_SOUND_ROUTE(1, "rspeaker", 1.0)
+
+ /* cia */
+ MCFG_MOS8520_ADD("cia_0", AMIGA_68000_NTSC_CLOCK / 10, cia_0_intf)
+ MCFG_MOS8520_ADD("cia_1", AMIGA_68000_NTSC_CLOCK / 10, cia_1_intf)
+
+ /* fdc */
+ MCFG_AMIGA_FDC_ADD("fdc", AMIGA_68000_NTSC_CLOCK)
+MACHINE_CONFIG_END
+
+
+static MACHINE_CONFIG_DERIVED( alg_r2, alg_r1 )
+
+ MCFG_CPU_MODIFY("maincpu")
+ MCFG_CPU_PROGRAM_MAP(main_map_r2)
+MACHINE_CONFIG_END
+
+
+static MACHINE_CONFIG_DERIVED( picmatic, alg_r1 )
+
+ /* adjust for PAL specs */
+ MCFG_CPU_REPLACE("maincpu", M68000, AMIGA_68000_PAL_CLOCK)
+ MCFG_CPU_PROGRAM_MAP(main_map_picmatic)
+
+ MCFG_SCREEN_MODIFY("screen")
+ MCFG_SCREEN_REFRESH_RATE(50)
+ MCFG_SCREEN_SIZE(512*2, 312)
+ MCFG_SCREEN_VISIBLE_AREA((129-8)*2, (449+8-1)*2, 44-8, 300+8-1)
+MACHINE_CONFIG_END
+
+
+
+/*************************************
+ *
+ * BIOS definitions
+ *
+ *************************************/
+
+#define ROM_LOAD16_WORD_BIOS(bios,name,offset,length,hash) ROMX_LOAD(name, offset, length, hash, ROM_BIOS(bios+1))
+
+#define ALG_BIOS \
+ ROM_REGION16_BE( 0x80000, "user1", 0 ) \
+ ROM_SYSTEM_BIOS( 0, "Kick1.3", "Kickstart 1.3") \
+ ROM_LOAD16_WORD_BIOS(0, "kick13.rom", 0x000000, 0x40000, CRC(c4f0f55f) SHA1(891e9a547772fe0c6c19b610baf8bc4ea7fcb785)) \
+ ROM_COPY( "user1", 0x000000, 0x040000, 0x040000 )
+
+
+
+/*************************************
+*
+* ROM definitions
+*
+*************************************/
+
+/* BIOS */
+ROM_START( alg_bios )
+ ALG_BIOS
+
+ ROM_REGION( 0x20000, "user2", ROMREGION_ERASEFF )
+ROM_END
+
+
+/* Rev. A board */
+/* PAL R1 */
+ROM_START( maddoga )
+ ALG_BIOS
+
+ ROM_REGION( 0x20000, "user2", ROMREGION_ERASEFF )
+ ROM_LOAD16_BYTE( "maddog_01.dat", 0x000000, 0x10000, CRC(04572557) SHA1(3dfe2ce94ced8701a3e73ed5869b6fbe1c8b3286) )
+ ROM_LOAD16_BYTE( "maddog_02.dat", 0x000001, 0x10000, CRC(f64014ec) SHA1(d343a2cb5d8992153b8c916f39b11d3db736543d))
+
+ DISK_REGION( "laserdisc" )
+ DISK_IMAGE_READONLY( "maddog", 0, NO_DUMP )
+ROM_END
+
+
+/* PAL R3 */
+ROM_START( wsjr ) /* 1.6 */
+ ALG_BIOS
+
+ ROM_REGION( 0x20000, "user2", ROMREGION_ERASEFF )
+ ROM_LOAD16_BYTE( "johnny_01.bin", 0x000000, 0x10000, CRC(edde1745) SHA1(573b79f8808fedaabf3b762350a915792d26c1bc) )
+ ROM_LOAD16_BYTE( "johnny_02.bin", 0x000001, 0x10000, CRC(046569b3) SHA1(efe5a8b2be1c555695f2a91c88951d3545f1b915) )
+ROM_END
+
+ROM_START( wsjr15 ) /* 1.5 */
+ ALG_BIOS
+
+ ROM_REGION( 0x20000, "user2", ROMREGION_ERASEFF )
+ ROM_LOAD16_BYTE( "wsjr151.bin", 0x000000, 0x10000, CRC(9beeb1d7) SHA1(3fe0265e5d36103d3d9557d75e5e3728e0b30da7) )
+ ROM_LOAD16_BYTE( "wsjr152.bin", 0x000001, 0x10000, CRC(8ab626dd) SHA1(e45561f77fc279b71dc1dd2e15a0870cb5c1cd89) )
+ROM_END
+
+
+//REV.B
+ROM_START( maddog )
+ ALG_BIOS
+
+ ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF )
+ ROM_LOAD16_BYTE( "md_2.03_1.bin", 0x000000, 0x20000, CRC(6f5b8f2d) SHA1(bbf32bb27a998d53744411d75efdbdb730855809) )
+ ROM_LOAD16_BYTE( "md_2.03_2.bin", 0x000001, 0x20000, CRC(a50d3c04) SHA1(4cf100fdb5b2f2236539fd0ec33b3db19c64a6b8) )
+
+ DISK_REGION( "laserdisc" )
+ DISK_IMAGE_READONLY( "maddog", 0, NO_DUMP )
+ROM_END
+
+
+ROM_START( maddog2 )
+ ALG_BIOS
+
+ ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF )
+ ROM_LOAD16_BYTE( "md2_01_v.2.04.bin", 0x000000, 0x20000, CRC(0e1227f4) SHA1(bfd9081bb7d2bcbb77357839f292ce6136e9b228) )
+ ROM_LOAD16_BYTE( "md2_02_v.2.04.bin", 0x000001, 0x20000, CRC(361bd99c) SHA1(5de6ef38e334e19f509227de7880306ac984ec23) )
+ROM_END
+
+ROM_START( maddog22 )
+ ALG_BIOS
+
+ ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF )
+ ROM_LOAD16_BYTE( "md2_01.bin", 0x000000, 0x20000, CRC(4092227f) SHA1(6e5393aa5e64b59887260f483c50960084de7bd1) )
+ ROM_LOAD16_BYTE( "md2_02.bin", 0x000001, 0x20000, CRC(addffa51) SHA1(665e9d93ddfa6b2ea5d006b41bf7eac3294244cc) )
+ROM_END
+
+ROM_START( maddog21 )
+ ALG_BIOS
+
+ ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF )
+ ROM_LOAD16_BYTE( "md2_1.0_1.bin", 0x000000, 0x20000, CRC(97272a1d) SHA1(109014647c491f019ffb21091c7d0b89e1755b75) )
+ ROM_LOAD16_BYTE( "md2_1.0_2.bin", 0x000001, 0x20000, CRC(0ce8db97) SHA1(dd4c09db59bb8c6caba935b1b28babe28ba8516b) )
+ROM_END
+
+
+ROM_START( spacepir )
+ ALG_BIOS
+
+ ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF )
+ ROM_LOAD16_BYTE( "sp_02.dat", 0x000000, 0x20000, CRC(10d162a2) SHA1(26833d5be1057be8639c00a7be18be33404ea751) )
+ ROM_LOAD16_BYTE( "sp_01.dat", 0x000001, 0x20000, CRC(c0975188) SHA1(fd7643dc972e7861249ab7e76199975984888ae4) )
+ROM_END
+
+
+ROM_START( gallgall )
+ ALG_BIOS
+
+ ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF )
+ ROM_LOAD16_BYTE( "gg_1.dat", 0x000000, 0x20000, CRC(3793b211) SHA1(dccb1d9c5e2d6a4d249426ae6348e9fc9b72e665) )
+ ROM_LOAD16_BYTE( "gg_2.dat", 0x000001, 0x20000, CRC(855c9d82) SHA1(96711aaa02f309cacd3e8d8efbe95cfc811aba96) )
+ROM_END
+
+
+ROM_START( crimepat )
+ ALG_BIOS
+
+ ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF )
+ ROM_LOAD16_BYTE( "cp02.dat", 0x000000, 0x20000, CRC(a39a8b50) SHA1(55ca317ef13c3a42f12d68c480e6cc2d4459f6a4) )
+ ROM_LOAD16_BYTE( "cp01.dat", 0x000001, 0x20000, CRC(e41fd2e8) SHA1(1cd9875fb4133ba4e3616271975dc736b343f156) )
+ROM_END
+
+
+ROM_START( crimep2 )
+ ALG_BIOS
+
+ ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF )
+ ROM_LOAD16_BYTE( "cp2_1.3_1.bin", 0x000000, 0x20000, CRC(e653395d) SHA1(8f6c86d98a52b7d85ae285fd841167cd07979318) )
+ ROM_LOAD16_BYTE( "cp2_1.3_2.bin", 0x000001, 0x20000, CRC(dbdaa79a) SHA1(998044909d5c93e3bd1baafefab818fdb7b3f55e) )
+ROM_END
+
+ROM_START( crimep211 )
+ ALG_BIOS
+
+ ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF )
+ ROM_LOAD16_BYTE( "cp2_1.dat", 0x000000, 0x20000, CRC(47879042) SHA1(8bb6c541e4e8e4508da8d4b93600176a2e7a1f41) )
+ ROM_LOAD16_BYTE( "cp2_2.dat", 0x000001, 0x20000, CRC(f4e5251e) SHA1(e0c91343a98193d487c40e7a85f542b2a7a88f03) )
+ROM_END
+
+
+ROM_START( lastbh )
+ ALG_BIOS
+
+ ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF )
+ ROM_LOAD16_BYTE( "bounty_01.bin", 0x000000, 0x20000, CRC(977566b2) SHA1(937e079e992ecb5930b17c1024c326e10962642b) )
+ ROM_LOAD16_BYTE( "bounty_02.bin", 0x000001, 0x20000, CRC(2727ef1d) SHA1(f53421390b65c21a7666ff9d0f53ebf2a463d836) )
+ROM_END
+
+
+ROM_START( fastdraw )
+ ALG_BIOS
+
+ ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF )
+ ROM_LOAD16_BYTE( "fast_01.bin", 0x000000, 0x20000, CRC(4c4eb71e) SHA1(3bd487c546b6c80770a5fc880dcb10395ca431a2) )
+ ROM_LOAD16_BYTE( "fast_02.bin", 0x000001, 0x20000, CRC(0d76a2da) SHA1(d396371ae1b9b0b6e6bc6f1f85c4b97bfc5dc34d) )
+ROM_END
+
+
+ROM_START( aplatoon )
+ ALG_BIOS
+
+ ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF )
+ ROM_LOAD16_BYTE( "platoonv4u1.bin", 0x000000, 0x20000, CRC(8b33263e) SHA1(a1df38236321af90b522e2a783984fdf02e4c597) )
+ ROM_LOAD16_BYTE( "platoonv4u2.bin", 0x000001, 0x20000, CRC(09a133cf) SHA1(9b3ff63035be8576c88fb284a25c2da5db0d5160) )
+ROM_END
+
+
+ROM_START( zortonbr )
+ ALG_BIOS
+
+ ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF )
+ ROM_LOAD16_BYTE( "zb_u2.bin", 0x000000, 0x10000, CRC(938b25cb) SHA1(d0114bbc588dcfce6a469013d0e35afb93e38af5) )
+ ROM_LOAD16_BYTE( "zb_u3.bin", 0x000001, 0x10000, CRC(f59cfc4a) SHA1(9fadf7f1e23d6b4e828bf2b3de919d087c690a3f) )
+ROM_END
+
+
+
+/*************************************
+ *
+ * Generic driver init
+ *
+ *************************************/
+
+static void alg_init(running_machine &machine)
+{
+ alg_state *state = machine.driver_data<alg_state>();
+ static const amiga_machine_interface alg_intf =
+ {
+ ANGUS_CHIP_RAM_MASK,
+ NULL, NULL, alg_potgo_w,
+ serial_w,
+
+ vsync_callback,
+ NULL,
+ NULL,
+ 0
+ };
+ amiga_machine_config(machine, &alg_intf);
+
+ /* set up memory */
+ state->membank("bank1")->configure_entry(0, state->m_chip_ram);
+ state->membank("bank1")->configure_entry(1, machine.root_device().memregion("user1")->base());
+}
+
+
+
+/*************************************
+ *
+ * Per-game decryption
+ *
+ *************************************/
+
+static DRIVER_INIT( palr1 )
+{
+ UINT32 length = machine.root_device().memregion("user2")->bytes();
+ UINT8 *rom = machine.root_device().memregion("user2")->base();
+ UINT8 *original = auto_alloc_array(machine, UINT8, length);
+ UINT32 srcaddr;
+
+ memcpy(original, rom, length);
+ for (srcaddr = 0; srcaddr < length; srcaddr++)
+ {
+ UINT32 dstaddr = srcaddr;
+ if (srcaddr & 0x2000) dstaddr ^= 0x1000;
+ if (srcaddr & 0x8000) dstaddr ^= 0x4000;
+ rom[dstaddr] = original[srcaddr];
+ }
+ auto_free(machine, original);
+
+ alg_init(machine);
+}
+
+static DRIVER_INIT( palr3 )
+{
+ UINT32 length = machine.root_device().memregion("user2")->bytes();
+ UINT8 *rom = machine.root_device().memregion("user2")->base();
+ UINT8 *original = auto_alloc_array(machine, UINT8, length);
+ UINT32 srcaddr;
+
+ memcpy(original, rom, length);
+ for (srcaddr = 0; srcaddr < length; srcaddr++)
+ {
+ UINT32 dstaddr = srcaddr;
+ if (srcaddr & 0x2000) dstaddr ^= 0x1000;
+ rom[dstaddr] = original[srcaddr];
+ }
+ auto_free(machine, original);
+
+ alg_init(machine);
+}
+
+static DRIVER_INIT( palr6 )
+{
+ UINT32 length = machine.root_device().memregion("user2")->bytes();
+ UINT8 *rom = machine.root_device().memregion("user2")->base();
+ UINT8 *original = auto_alloc_array(machine, UINT8, length);
+ UINT32 srcaddr;
+
+ memcpy(original, rom, length);
+ for (srcaddr = 0; srcaddr < length; srcaddr++)
+ {
+ UINT32 dstaddr = srcaddr;
+ if (~srcaddr & 0x2000) dstaddr ^= 0x1000;
+ if ( srcaddr & 0x8000) dstaddr ^= 0x4000;
+ dstaddr ^= 0x20000;
+ rom[dstaddr] = original[srcaddr];
+ }
+ auto_free(machine, original);
+
+ alg_init(machine);
+}
+
+static DRIVER_INIT( aplatoon )
+{
+ /* NOT DONE TODO FIGURE OUT THE RIGHT ORDER!!!! */
+ UINT8 *rom = machine.root_device().memregion("user2")->base();
+ UINT8 *decrypted = auto_alloc_array(machine, UINT8, 0x40000);
+ int i;
+
+ static const int shuffle[] =
+ {
+ 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,
+ 32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63
+ };
+
+ for (i = 0; i < 64; i++)
+ memcpy(decrypted + i * 0x1000, rom + shuffle[i] * 0x1000, 0x1000);
+ memcpy(rom, decrypted, 0x40000);
+ logerror("decrypt done\n ");
+ alg_init(machine);
+}
+
+static DRIVER_INIT( none )
+{
+ alg_init(machine);
+}
+
+
+
+/*************************************
+ *
+ * Game drivers
+ *
+ *************************************/
+
+/* BIOS */
+GAME( 199?, alg_bios, 0, alg_r1, alg, none, ROT0, "American Laser Games", "American Laser Games BIOS", GAME_IS_BIOS_ROOT )
+
+/* Rev. A board */
+/* PAL R1 */
+GAME( 1990, maddoga, maddog, alg_r1, alg, palr1, ROT0, "American Laser Games", "Mad Dog McCree v1C board rev.A", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS )
+
+/* PAL R3 */
+GAME( 1991, wsjr, alg_bios, alg_r1, alg, palr3, ROT0, "American Laser Games", "Who Shot Johnny Rock? v1.6", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS )
+GAME( 1991, wsjr15, wsjr, alg_r1, alg, palr3, ROT0, "American Laser Games", "Who Shot Johnny Rock? v1.5", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS )
+
+/* Rev. B board */
+/* PAL R6 */
+GAME( 1990, maddog, alg_bios, alg_r2, alg_2p, palr6, ROT0, "American Laser Games", "Mad Dog McCree v2.03 board rev.B", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS )
+ /* works ok but uses right player (2) controls only for trigger and holster */
+GAME( 1992, maddog2, alg_bios, alg_r2, alg_2p, palr6, ROT0, "American Laser Games", "Mad Dog II: The Lost Gold v2.04", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS )
+GAME( 1992, maddog22, alg_bios, alg_r2, alg_2p, palr6, ROT0, "American Laser Games", "Mad Dog II: The Lost Gold v2.02", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS )
+GAME( 1992, maddog21, maddog2, alg_r2, alg_2p, palr6, ROT0, "American Laser Games", "Mad Dog II: The Lost Gold v1.0", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS )
+ /* works ok but uses right player (2) controls only for trigger and holster */
+GAME( 1992, spacepir, alg_bios, alg_r2, alg_2p, palr6, ROT0, "American Laser Games", "Space Pirates v2.2", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS )
+GAME( 1992, gallgall, alg_bios, alg_r2, alg_2p, palr6, ROT0, "American Laser Games", "Gallagher's Gallery v2.2", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS )
+ /* all good, but no holster */
+GAME( 1993, crimepat, alg_bios, alg_r2, alg_2p, palr6, ROT0, "American Laser Games", "Crime Patrol v1.4", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS )
+GAME( 1993, crimep2, alg_bios, alg_r2, alg_2p, palr6, ROT0, "American Laser Games", "Crime Patrol 2: Drug Wars v1.3", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS )
+GAME( 1993, crimep211,crimep2, alg_r2, alg_2p, palr6, ROT0, "American Laser Games", "Crime Patrol 2: Drug Wars v1.1", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS )
+GAME( 1994, lastbh, alg_bios, alg_r2, alg_2p, palr6, ROT0, "American Laser Games", "The Last Bounty Hunter v0.06", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS )
+GAME( 1995, fastdraw, alg_bios, alg_r2, alg_2p, palr6, ROT90, "American Laser Games", "Fast Draw Showdown v1.3", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS )
+ /* works ok but uses right player (2) controls only for trigger and holster */
+
+/* NOVA games on ALG hardware with own address scramble */
+GAME( 199?, aplatoon, alg_bios, alg_r2, alg, aplatoon, ROT0, "Nova?", "Platoon V.?.? US", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS )
+
+/* Web Picmatic games PAL tv standard, own rom board */
+GAME( 1993, zortonbr, alg_bios, picmatic, alg, none, ROT0, "Web Picmatic", "Zorton Brothers (Los Justicieros)", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS )