summaryrefslogtreecommitdiffstatshomepage
path: root/trunk/src/mame/drivers/blockade.c
diff options
context:
space:
mode:
Diffstat (limited to 'trunk/src/mame/drivers/blockade.c')
-rw-r--r--trunk/src/mame/drivers/blockade.c598
1 files changed, 598 insertions, 0 deletions
diff --git a/trunk/src/mame/drivers/blockade.c b/trunk/src/mame/drivers/blockade.c
new file mode 100644
index 00000000000..59beac41c94
--- /dev/null
+++ b/trunk/src/mame/drivers/blockade.c
@@ -0,0 +1,598 @@
+/****************************************************************************
+
+ Blockade/Comotion/Blasto/Hustle Memory MAP
+ Frank Palazzolo (palazzol@comcast.net)
+
+ CPU - Intel 8080A
+
+ Memory Address (Upper/Lower)
+
+ 0xxx 00aa aaaa aaaa ROM U2/U3 R 1K for Blockade/Comotion/Blasto
+ 0xxx 01aa aaaa aaaa ROM U4/U5 R 1K for Comotion/Blasto/Hustle Only
+ 1xx0 xxaa aaaa aaaa VRAM W 1K playfield
+ xxx1 xxxx aaaa aaaa RAM R/W 256 bytes
+
+ CHAR ROM U29/U43 256 bytes for Blockade/Comotion
+ 512 for Blasto/Hustle
+
+ Ports In Out
+ 1 Controls bit 7 = Coin Latch Reset
+ bit 5 = Pin 19?
+ 2 Controls Square Wave Pitch Register
+ 4 Controls Noise On
+ 8 N/A Noise Off
+
+
+ Notes: Support is complete with the exception of the noise generator.
+ Hopefully I can add this based on some measurements from a real board
+
+****************************************************************************/
+
+#include "emu.h"
+#include "cpu/i8085/i8085.h"
+#include "includes/blockade.h"
+#include "sound/samples.h"
+#include "sound/discrete.h"
+
+#include "blockade.lh"
+
+#define BLOCKADE_LOG 0
+#define MASTER_CLOCK XTAL_20_079MHz
+
+/* These are used to simulate coin latch circuitry */
+
+/*************************************************************/
+/* */
+/* Inserting a coin should work like this: */
+/* 1) Reset the CPU */
+/* 2) CPU Sets the coin latch */
+/* 3) Finally the CPU coin latch is Cleared by the hardware */
+/* (by the falling coin..?) */
+/* */
+/* I am faking this by keeping the CPU from Setting */
+/* the coin latch if we have just been reset. */
+/* */
+/*************************************************************/
+
+
+/* Need to check for a coin on the interrupt, */
+/* This will reset the cpu */
+
+static INTERRUPT_GEN( blockade_interrupt )
+{
+ blockade_state *state = device->machine().driver_data<blockade_state>();
+ device_resume(device, SUSPEND_ANY_REASON);
+
+ if ((input_port_read(device->machine(), "IN0") & 0x80) == 0)
+ {
+ state->m_just_been_reset = 1;
+ device_set_input_line(device, INPUT_LINE_RESET, PULSE_LINE);
+ }
+}
+
+/*************************************
+ *
+ * Memory handlers
+ *
+ *************************************/
+
+static READ8_HANDLER( blockade_input_port_0_r )
+{
+ blockade_state *state = space->machine().driver_data<blockade_state>();
+ /* coin latch is bit 7 */
+ UINT8 temp = (input_port_read(space->machine(), "IN0") & 0x7f);
+
+ return (state->m_coin_latch << 7) | temp;
+}
+
+static WRITE8_HANDLER( blockade_coin_latch_w )
+{
+ blockade_state *state = space->machine().driver_data<blockade_state>();
+
+ if (data & 0x80)
+ {
+ if (BLOCKADE_LOG) mame_printf_debug("Reset Coin Latch\n");
+ if (state->m_just_been_reset)
+ {
+ state->m_just_been_reset = 0;
+ state->m_coin_latch = 0;
+ }
+ else
+ state->m_coin_latch = 1;
+ }
+
+ if (data & 0x20)
+ {
+ if (BLOCKADE_LOG) mame_printf_debug("Pin 19 High\n");
+ }
+ else
+ {
+ if (BLOCKADE_LOG) mame_printf_debug("Pin 19 Low\n");
+ }
+
+ return;
+}
+
+
+/*************************************
+ *
+ * Address maps
+ *
+ *************************************/
+
+static ADDRESS_MAP_START( main_map, AS_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x07ff) AM_ROM AM_MIRROR(0x6000)
+ AM_RANGE(0x8000, 0x83ff) AM_RAM_WRITE(blockade_videoram_w) AM_BASE_MEMBER(blockade_state, m_videoram) AM_MIRROR(0x6c00)
+ AM_RANGE(0x9000, 0x90ff) AM_RAM AM_MIRROR(0x6f00)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( main_io_map, AS_IO, 8 )
+ AM_RANGE(0x01, 0x01) AM_READWRITE(blockade_input_port_0_r, blockade_coin_latch_w)
+ AM_RANGE(0x02, 0x02) AM_READ_PORT("IN1")
+ AM_RANGE(0x02, 0x02) AM_DEVWRITE("discrete", blockade_sound_freq_w)
+ AM_RANGE(0x04, 0x04) AM_READ_PORT("IN2")
+ AM_RANGE(0x04, 0x04) AM_WRITE(blockade_env_on_w)
+ AM_RANGE(0x08, 0x08) AM_WRITE(blockade_env_off_w)
+ADDRESS_MAP_END
+
+
+/*************************************
+ *
+ * Input ports
+ *
+ *************************************/
+
+/* These are not dip switches, they are mapped to */
+/* connectors on the board. Different games had */
+/* different harnesses which plugged in here, and */
+/* some pins were unused. */
+
+static INPUT_PORTS_START( blockade )
+ PORT_START("IN0")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_CONFNAME( 0x04, 0x04, "Boom Switch" )
+ PORT_CONFSETTING( 0x00, DEF_STR( Off ) )
+ PORT_CONFSETTING( 0x04, DEF_STR( On ) )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_CONFNAME( 0x70, 0x70, DEF_STR( Lives ) )
+ PORT_CONFSETTING( 0x60, "3" )
+ PORT_CONFSETTING( 0x50, "4" )
+ PORT_CONFSETTING( 0x30, "5" )
+ PORT_CONFSETTING( 0x70, "6" )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_IMPULSE(1)
+ /* this is really used for the coin latch, */
+ /* see blockade_interrupt() */
+
+ PORT_START("IN1")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY PORT_PLAYER(2)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(2)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(2)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(2)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY PORT_PLAYER(1)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(1)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(1)
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(1)
+
+ PORT_START("IN2")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
+
+ PORT_START("IN3")
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_VBLANK )
+ PORT_BIT( 0x7f, IP_ACTIVE_LOW, IPT_UNKNOWN )
+INPUT_PORTS_END
+
+static INPUT_PORTS_START( comotion )
+ PORT_START("IN0")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_CONFNAME( 0x04, 0x04, "Boom Switch" )
+ PORT_CONFSETTING( 0x00, DEF_STR( Off ) )
+ PORT_CONFSETTING( 0x04, DEF_STR( On ) )
+ PORT_CONFNAME( 0x08, 0x00, DEF_STR( Lives ) )
+ PORT_CONFSETTING( 0x00, "3" )
+ PORT_CONFSETTING( 0x08, "4" )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_START1 )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_IMPULSE(1)
+ /* this is really used for the coin latch, */
+ /* see blockade_interrupt() */
+
+ PORT_START("IN1")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY PORT_PLAYER(1)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(1)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(1)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(1)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY PORT_PLAYER(3)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(3)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(3)
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(3)
+
+ PORT_START("IN2")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY PORT_PLAYER(2)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(2)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(2)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(2)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY PORT_PLAYER(4)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(4)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(4)
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(4)
+
+ PORT_START("IN3")
+ PORT_BIT( 0x7f, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_VBLANK )
+INPUT_PORTS_END
+
+static INPUT_PORTS_START( blasto )
+ PORT_START("IN0")
+ PORT_CONFNAME( 0x03, 0x03, DEF_STR( Coinage ) )
+ PORT_CONFSETTING( 0x00, DEF_STR( 4C_1C ) )
+ PORT_CONFSETTING( 0x01, DEF_STR( 3C_1C ) )
+ PORT_CONFSETTING( 0x02, DEF_STR( 2C_1C ) )
+ PORT_CONFSETTING( 0x03, DEF_STR( 1C_1C ) )
+ PORT_CONFNAME( 0x04, 0x04, "Attract Sound" )
+ PORT_CONFSETTING( 0x00, DEF_STR( Off ) )
+ PORT_CONFSETTING( 0x04, DEF_STR( On ) )
+ PORT_CONFNAME( 0x08, 0x08, DEF_STR( Game_Time ) )
+ PORT_CONFSETTING( 0x00, "70 Secs" ) // though service manual says 60
+ PORT_CONFSETTING( 0x08, "90 Secs" )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_IMPULSE(1)
+ /* this is really used for the coin latch, */
+ /* see blockade_interrupt() */
+
+ PORT_START("IN1")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_START1 )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START2 )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
+
+ PORT_START("IN2")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(2)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(2)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(2)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY PORT_PLAYER(2)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(1)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(1)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(1)
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY PORT_PLAYER(1)
+
+ PORT_START("IN3")
+ PORT_BIT( 0x7f, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_VBLANK )
+INPUT_PORTS_END
+
+static INPUT_PORTS_START( hustle )
+ PORT_START("IN0")
+ PORT_CONFNAME( 0x03, 0x03, DEF_STR( Coinage ) )
+ PORT_CONFSETTING( 0x00, DEF_STR( 4C_1C ) )
+ PORT_CONFSETTING( 0x01, DEF_STR( 3C_1C ) )
+ PORT_CONFSETTING( 0x02, DEF_STR( 2C_1C ) )
+ PORT_CONFSETTING( 0x03, DEF_STR( 1C_1C ) )
+ PORT_CONFNAME( 0x04, 0x04, DEF_STR( Game_Time ) )
+ PORT_CONFSETTING( 0x00, "1.5 mins" )
+ PORT_CONFSETTING( 0x04, "2 mins" )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START1 )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_START2 )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_IMPULSE(1)
+ /* this is really used for the coin latch, */
+ /* see blockade_interrupt() */
+
+ PORT_START("IN1")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY PORT_PLAYER(2)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(2)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(2)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(2)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY PORT_PLAYER(1)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(1)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(1)
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(1)
+
+ PORT_START("IN2")
+ PORT_CONFNAME( 0xf1, 0xf0, "Free Game" )
+ PORT_CONFSETTING( 0x71, "11000" )
+ PORT_CONFSETTING( 0xb1, "13000" )
+ PORT_CONFSETTING( 0xd1, "15000" )
+ PORT_CONFSETTING( 0xe1, "17000" )
+ PORT_CONFSETTING( 0xf0, "Disabled" )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN )
+
+ PORT_START("IN3")
+ PORT_BIT( 0x7f, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_VBLANK )
+INPUT_PORTS_END
+
+static INPUT_PORTS_START( mineswpr )
+ PORT_START("IN0")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* This wiring selects upright mode */
+ PORT_CONFNAME( 0x04, 0x04, "Boom Switch" )
+ PORT_CONFSETTING( 0x00, DEF_STR( Off ) )
+ PORT_CONFSETTING( 0x04, DEF_STR( On ) )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_CONFNAME( 0x70, 0x70, DEF_STR( Lives ) )
+ PORT_CONFSETTING( 0x60, "3" )
+ PORT_CONFSETTING( 0x50, "4" )
+ PORT_CONFSETTING( 0x30, "5" )
+ PORT_CONFSETTING( 0x70, "6" )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_IMPULSE(1)
+ /* this is really used for the coin latch, */
+ /* see blockade_interrupt() */
+
+ PORT_START("IN1")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY PORT_PLAYER(1)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(1)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(1)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(1)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY PORT_PLAYER(2)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(2)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(2)
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(2)
+
+ PORT_START("IN2")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
+
+ PORT_START("IN3")
+ PORT_BIT( 0x7f, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_VBLANK )
+INPUT_PORTS_END
+
+static INPUT_PORTS_START( mineswpr4 )
+ PORT_START("IN0")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* This wiring selects cocktail mode */
+ PORT_CONFNAME( 0x04, 0x04, "Boom Switch" )
+ PORT_CONFSETTING( 0x00, DEF_STR( Off ) )
+ PORT_CONFSETTING( 0x04, DEF_STR( On ) )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_CONFNAME( 0x70, 0x70, DEF_STR( Lives ) )
+ PORT_CONFSETTING( 0x60, "3" )
+ PORT_CONFSETTING( 0x50, "4" )
+ PORT_CONFSETTING( 0x30, "5" )
+ PORT_CONFSETTING( 0x70, "6" )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_IMPULSE(1)
+ /* this is really used for the coin latch, */
+ /* see blockade_interrupt() */
+
+ PORT_START("IN1")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY PORT_PLAYER(1)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(1)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(1)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(1)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY PORT_PLAYER(2)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(2)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(2)
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(2)
+
+ PORT_START("IN2")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY PORT_PLAYER(3)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(3)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(3)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(3)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY PORT_PLAYER(4)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(4)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(4)
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(4)
+
+ PORT_START("IN3")
+ PORT_BIT( 0x7f, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_VBLANK )
+INPUT_PORTS_END
+
+
+/*************************************
+ *
+ * Graphics definitions
+ *
+ *************************************/
+
+static const gfx_layout blockade_layout =
+{
+ 8,8, /* 8*8 characters */
+ 32, /* 32 characters */
+ 1, /* 1 bit per pixel */
+ { 0 }, /* no separation in 1 bpp */
+ { 0,1,2,3,4,5,6,7 },
+ { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
+ 8*8 /* every char takes 8 consecutive bytes */
+};
+
+static const gfx_layout blasto_layout =
+{
+ 8,8, /* 8*8 characters */
+ 64, /* 64 characters */
+ 1, /* 1 bit per pixel */
+ { 0 }, /* no separation in 1 bpp */
+ { 0,1,2,3,4,5,6,7 },
+ { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
+ 8*8 /* every char takes 8 consecutive bytes */
+};
+
+static GFXDECODE_START( blockade )
+ GFXDECODE_ENTRY( "gfx1", 0x0000, blockade_layout, 0, 1 )
+GFXDECODE_END
+
+static GFXDECODE_START( blasto )
+ GFXDECODE_ENTRY( "gfx1", 0x0000, blasto_layout, 0, 1 )
+GFXDECODE_END
+
+static PALETTE_INIT( blockade )
+{
+ palette_set_color(machine,0,MAKE_RGB(0x00,0x00,0x00)); /* BLACK */
+ palette_set_color(machine,1,MAKE_RGB(0xff,0xff,0xff)); /* WHITE */
+}
+
+
+/*************************************
+ *
+ * Machine driver
+ *
+ *************************************/
+
+static MACHINE_START( blockade )
+{
+ blockade_state *state = machine.driver_data<blockade_state>();
+
+ state->save_item(NAME(state->m_coin_latch));
+ state->save_item(NAME(state->m_just_been_reset));
+}
+
+static MACHINE_RESET( blockade )
+{
+ blockade_state *state = machine.driver_data<blockade_state>();
+
+ state->m_coin_latch = 1;
+ state->m_just_been_reset = 0;
+}
+
+static MACHINE_CONFIG_START( blockade, blockade_state )
+
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", I8080, MASTER_CLOCK/10)
+ MCFG_CPU_PROGRAM_MAP(main_map)
+ MCFG_CPU_IO_MAP(main_io_map)
+ MCFG_CPU_VBLANK_INT("screen", blockade_interrupt)
+
+ MCFG_MACHINE_START(blockade)
+ MCFG_MACHINE_RESET(blockade)
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(60)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
+ MCFG_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MCFG_SCREEN_SIZE(32*8, 28*8)
+ MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 28*8-1)
+ MCFG_SCREEN_UPDATE(blockade)
+
+ MCFG_GFXDECODE(blockade)
+ MCFG_PALETTE_LENGTH(2)
+
+ MCFG_PALETTE_INIT(blockade)
+ MCFG_VIDEO_START(blockade)
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+
+ MCFG_SOUND_ADD("samples", SAMPLES, 0)
+ MCFG_SOUND_CONFIG(blockade_samples_interface)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
+
+ MCFG_SOUND_ADD("discrete", DISCRETE, 0)
+ MCFG_SOUND_CONFIG_DISCRETE(blockade)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( blasto, blockade )
+ MCFG_GFXDECODE(blasto)
+MACHINE_CONFIG_END
+
+/*************************************
+ *
+ * ROM definition(s)
+ *
+ *************************************/
+
+ROM_START( blockade )
+ ROM_REGION( 0x10000, "maincpu", 0 )
+ ROM_LOAD_NIB_HIGH( "316-04.u2", 0x0000, 0x0400, CRC(a93833e9) SHA1(e29e7b29900f8305effa700a53806a12bf9d37bd) )
+ ROM_LOAD_NIB_LOW( "316-03.u3", 0x0000, 0x0400, CRC(85960d3b) SHA1(aabfe8f9c26126299d6c07a31ef1aac5300deff5) )
+
+ ROM_REGION( 0x100, "gfx1", 0 )
+ ROM_LOAD_NIB_HIGH( "316-02.u29", 0x0000, 0x0100, CRC(409f610f) SHA1(0c2253f4b72d8aa395f87cc0abe07f0b46fa538b) )
+ ROM_LOAD_NIB_LOW( "316-01.u43", 0x0000, 0x0100, CRC(41a00b28) SHA1(2d0a90aac9d10a1ded240e5202fdf9cd7f70c4a7) )
+ROM_END
+
+ROM_START( comotion )
+ ROM_REGION( 0x10000, "maincpu", 0 )
+ ROM_LOAD_NIB_HIGH( "316-07.u2", 0x0000, 0x0400, CRC(5b9bd054) SHA1(324b844788945e7bc82d096d6d375e79e3e1a634) )
+ ROM_LOAD_NIB_LOW( "316-08.u3", 0x0000, 0x0400, CRC(1a856042) SHA1(91bdc260e8c88ce2b6ac05bfba043ed611bc30de) )
+ ROM_LOAD_NIB_HIGH( "316-09.u4", 0x0400, 0x0400, CRC(2590f87c) SHA1(95a7af04b610d79fb3f6d74dda322e66164b9484) )
+ ROM_LOAD_NIB_LOW( "316-10.u5", 0x0400, 0x0400, CRC(fb49a69b) SHA1(4009c3256a86508d981c1f77b65e6bff1face1e7) )
+
+ ROM_REGION( 0x100, "gfx1", 0 )
+ ROM_LOAD_NIB_HIGH( "316-06.u43", 0x0000, 0x0100, CRC(8f071297) SHA1(811471c87b77b4b9ab056cf0c0743fc2616b754c) ) /* Note: these are reversed */
+ ROM_LOAD_NIB_LOW( "316-05.u29", 0x0000, 0x0100, CRC(53fb8821) SHA1(0a499aa4cf15f7ebea155aacd914de8851544215) )
+ROM_END
+
+ROM_START( blasto )
+ ROM_REGION( 0x10000, "maincpu", 0 )
+ ROM_LOAD_NIB_HIGH( "blasto.u2", 0x0000, 0x0400, CRC(ec99d043) SHA1(10650e54bf55f3ace5c199215c2fce211916d3b7) )
+ ROM_LOAD_NIB_LOW( "blasto.u3", 0x0000, 0x0400, CRC(be333415) SHA1(386cab720f0c2da16b9ec84f67ccebf23406c58d) )
+ ROM_LOAD_NIB_HIGH( "blasto.u4", 0x0400, 0x0400, CRC(1c889993) SHA1(e23c72d075cf3d209081bca5a953c33c8ae042ea) )
+ ROM_LOAD_NIB_LOW( "blasto.u5", 0x0400, 0x0400, CRC(efb640cb) SHA1(2dff5b249f876d7d13cc6dfad652ce7e5af10370) )
+
+ ROM_REGION( 0x200, "gfx1", 0 )
+ ROM_LOAD_NIB_HIGH( "blasto.u29", 0x0000, 0x0200, CRC(4dd69499) SHA1(34f097477a297bf5f986804e5967c92f9292be29) )
+ ROM_LOAD_NIB_LOW( "blasto.u43", 0x0000, 0x0200, CRC(104051a4) SHA1(cae6b9d48e3eda5ba12ff5d9835ce2733e90f774) )
+ROM_END
+
+ROM_START( hustle )
+ ROM_REGION( 0x10000, "maincpu", 0 )
+ ROM_LOAD_NIB_HIGH( "3160016.u2", 0x0000, 0x0400, CRC(d983de7c) SHA1(af6e0ea78449bfba4fe8affd724d7b0eb3d38706) )
+ ROM_LOAD_NIB_LOW( "3160017.u3", 0x0000, 0x0400, CRC(edec9cb9) SHA1(548cc7b0a15a1c977b7ef4a99ff88101893f661a) )
+ ROM_LOAD_NIB_HIGH( "3160018.u4", 0x0400, 0x0400, CRC(f599b9c0) SHA1(c55ed33ac51b9cfbb2fe4321bbb1e0a16694f065) )
+ ROM_LOAD_NIB_LOW( "3160019.u5", 0x0400, 0x0400, CRC(7794bc7e) SHA1(b3d577291dea0e096b2ee56b0ef612f41b2e859c) )
+
+ ROM_REGION( 0x200, "gfx1", 0 )
+ ROM_LOAD_NIB_HIGH( "3160020.u29", 0x0000, 0x0200, CRC(541d2c67) SHA1(abdb918f302352693870b0a50eabaf95acf1cf63) )
+ ROM_LOAD_NIB_LOW( "3160021.u43", 0x0000, 0x0200, CRC(b5083128) SHA1(d7e8242e9d12d09f3d69c08e373ede2bdd4deba9) )
+ROM_END
+
+ROM_START( mineswpr )
+ ROM_REGION( 0x10000, "maincpu", 0 )
+ ROM_LOAD_NIB_HIGH( "mineswee.h0p", 0x0000, 0x0400, CRC(5850a4ba) SHA1(9f097d31428f4494573187049c53fbed2075ff32) )
+ ROM_LOAD_NIB_LOW( "mineswee.l0p", 0x0000, 0x0400, CRC(05961379) SHA1(3d59341be8a663e8c54c1556442c992a6eb886ab) )
+
+ ROM_REGION( 0x200, "gfx1", 0 )
+ ROM_LOAD_NIB_HIGH( "mineswee.ums", 0x0000, 0x0200, CRC(0e1c5c37) SHA1(d4d56bd63307e387771c48304724dfc1ea1306d9) )
+ ROM_LOAD_NIB_LOW( "mineswee.uls", 0x0000, 0x0200, CRC(3a4f66e1) SHA1(bd7f6c51d568a79fb06414b2a6ef245d0d983c3e) )
+ROM_END
+
+ROM_START( mineswpr4 )
+ ROM_REGION( 0x10000, "maincpu", 0 )
+ ROM_LOAD_NIB_HIGH( "mineswee.h0p", 0x0000, 0x0400, CRC(5850a4ba) SHA1(9f097d31428f4494573187049c53fbed2075ff32) )
+ ROM_LOAD_NIB_LOW( "mineswee.l0p", 0x0000, 0x0400, CRC(05961379) SHA1(3d59341be8a663e8c54c1556442c992a6eb886ab) )
+
+ ROM_REGION( 0x200, "gfx1", 0 )
+ ROM_LOAD_NIB_HIGH( "mineswee.cms", 0x0000, 0x0200, CRC(aad3ce0c) SHA1(92257706ae0c9c1a258eed3311116063e647e1ae) )
+ ROM_LOAD_NIB_LOW( "mineswee.cls", 0x0000, 0x0200, CRC(70959755) SHA1(f62d448742da3fae8bbd96eb3a2714db500cecce) )
+ROM_END
+
+/*************************************
+ *
+ * Game driver
+ *
+ *************************************/
+
+GAMEL(1976, blockade, 0, blockade, blockade, 0, ROT0, "Gremlin", "Blockade", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE, layout_blockade )
+GAMEL(1976, comotion, 0, blockade, comotion, 0, ROT0, "Gremlin", "Comotion", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE, layout_blockade )
+GAME( 1978, blasto, 0, blasto, blasto, 0, ROT0, "Gremlin", "Blasto", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE ) // b/w, no overlay
+GAMEL(1977, hustle, 0, blasto, hustle, 0, ROT0, "Gremlin", "Hustle", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE, layout_blockade )
+GAME( 1977, mineswpr, 0, blasto, mineswpr, 0, ROT0, "Amutech", "Minesweeper", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )
+GAME( 1977, mineswpr4, mineswpr, blasto, mineswpr4,0, ROT0, "Amutech", "Minesweeper (4-Player)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )