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Diffstat (limited to 'src/mame/drivers/avalnche.c')
-rw-r--r--src/mame/drivers/avalnche.c297
1 files changed, 297 insertions, 0 deletions
diff --git a/src/mame/drivers/avalnche.c b/src/mame/drivers/avalnche.c
new file mode 100644
index 00000000000..a25570ac5ce
--- /dev/null
+++ b/src/mame/drivers/avalnche.c
@@ -0,0 +1,297 @@
+/***************************************************************************
+
+ Atari Avalanche hardware
+
+ driver by Mike Balfour
+
+ Games supported:
+ * Avalanche
+
+ Known issues:
+ * none at this time
+
+****************************************************************************
+
+ Memory Map:
+ 0000-1FFF RAM
+ 2000-2FFF R INPUTS
+ 3000-3FFF W WATCHDOG
+ 4000-4FFF W OUTPUTS
+ 5000-5FFF W SOUND LEVEL
+ 6000-7FFF R PROGRAM ROM
+ 8000-DFFF UNUSED
+ E000-FFFF PROGRAM ROM (Remapped)
+
+ If you have any questions about how this driver works, don't hesitate to
+ ask. - Mike Balfour (mab22@po.cwru.edu)
+
+***************************************************************************/
+
+#include "driver.h"
+#include "sound/discrete.h"
+#include "avalnche.h"
+
+#include "avalnche.lh"
+
+
+
+/*************************************
+ *
+ * Interrupt generation
+ *
+ *************************************/
+
+static INTERRUPT_GEN( avalnche_interrupt )
+{
+ cpunum_set_input_line(0, INPUT_LINE_NMI, PULSE_LINE);
+}
+
+
+
+/*************************************
+ *
+ * Video system
+ *
+ *************************************/
+
+static UINT8 avalance_video_inverted;
+
+
+static VIDEO_UPDATE( avalnche )
+{
+ offs_t offs;
+
+ for (offs = 0; offs < videoram_size; offs++)
+ {
+ int i;
+
+ UINT8 x = offs << 3;
+ int y = offs >> 5;
+ UINT8 data = videoram[offs];
+
+ for (i = 0; i < 8; i++)
+ {
+ pen_t pen;
+
+ if (avalance_video_inverted)
+ pen = (data & 0x80) ? RGB_WHITE : RGB_BLACK;
+ else
+ pen = (data & 0x80) ? RGB_BLACK : RGB_WHITE;
+
+ *BITMAP_ADDR32(bitmap, y, x) = pen;
+
+ data = data << 1;
+ x = x + 1;
+ }
+ }
+
+ return 0;
+}
+
+
+static WRITE8_HANDLER( avalance_video_invert_w )
+{
+ avalance_video_inverted = data & 0x01;
+}
+
+
+
+/*************************************
+ *
+ * Lamp handling
+ *
+ *************************************/
+
+static WRITE8_HANDLER( avalance_credit_1_lamp_w )
+{
+ set_led_status(0, data & 0x01);
+}
+
+
+static WRITE8_HANDLER( avalance_credit_2_lamp_w )
+{
+ set_led_status(1, data & 0x01);
+}
+
+
+static WRITE8_HANDLER( avalance_start_lamp_w )
+{
+ set_led_status(2, data & 0x01);
+}
+
+
+
+/*************************************
+ *
+ * Main CPU memory handlers
+ *
+ *************************************/
+
+static ADDRESS_MAP_START( main_map, ADDRESS_SPACE_PROGRAM, 8 )
+ ADDRESS_MAP_FLAGS( AMEF_ABITS(15) )
+ AM_RANGE(0x0000, 0x1fff) AM_RAM AM_BASE(&videoram) AM_SIZE(&videoram_size)
+ AM_RANGE(0x2000, 0x2000) AM_MIRROR(0x0ffc) AM_READ(input_port_0_r)
+ AM_RANGE(0x2001, 0x2001) AM_MIRROR(0x0ffc) AM_READ(input_port_1_r)
+ AM_RANGE(0x2002, 0x2002) AM_MIRROR(0x0ffc) AM_READ(input_port_2_r)
+ AM_RANGE(0x2003, 0x2003) AM_MIRROR(0x0ffc) AM_READ(MRA8_NOP)
+ AM_RANGE(0x3000, 0x3000) AM_MIRROR(0x0fff) AM_WRITE(watchdog_reset_w)
+ AM_RANGE(0x4000, 0x4000) AM_MIRROR(0x0ff8) AM_WRITE(avalance_credit_1_lamp_w)
+ AM_RANGE(0x4001, 0x4001) AM_MIRROR(0x0ff8) AM_WRITE(avalnche_attract_enable_w)
+ AM_RANGE(0x4002, 0x4002) AM_MIRROR(0x0ff8) AM_WRITE(avalance_video_invert_w)
+ AM_RANGE(0x4003, 0x4003) AM_MIRROR(0x0ff8) AM_WRITE(avalance_credit_2_lamp_w)
+ AM_RANGE(0x4004, 0x4006) AM_MIRROR(0x0ff8) AM_WRITE(avalnche_audio_w)
+ AM_RANGE(0x4007, 0x4007) AM_MIRROR(0x0ff8) AM_WRITE(avalance_start_lamp_w)
+ AM_RANGE(0x5000, 0x5000) AM_MIRROR(0x0fff) AM_WRITE(avalnche_noise_amplitude_w)
+ AM_RANGE(0x6000, 0x7fff) AM_ROM
+ADDRESS_MAP_END
+
+
+
+/*************************************
+ *
+ * Port definitions
+ *
+ *************************************/
+
+static INPUT_PORTS_START( avalnche )
+ PORT_START_TAG("IN0")
+ PORT_BIT (0x03, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* Spare */
+ PORT_DIPNAME( 0x0c, 0x04, DEF_STR( Coinage ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x0c, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) )
+ PORT_DIPNAME( 0x30, 0x00, DEF_STR( Language ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( English ) )
+ PORT_DIPSETTING( 0x30, DEF_STR( German ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( French ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( Spanish ) )
+ PORT_BIT (0x40, IP_ACTIVE_HIGH, IPT_START2 )
+ PORT_BIT (0x80, IP_ACTIVE_HIGH, IPT_START1 )
+
+ PORT_START_TAG("IN1")
+ PORT_BIT ( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 )
+ PORT_BIT ( 0x02, IP_ACTIVE_HIGH, IPT_COIN2 )
+ PORT_DIPNAME( 0x04, 0x04, "Allow Extended Play" )
+ PORT_DIPSETTING( 0x00, DEF_STR( No ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( Yes ) )
+ PORT_DIPNAME( 0x08, 0x00, "Lives/Extended Play" )
+ PORT_DIPSETTING( 0x00, "3/450 points" )
+ PORT_DIPSETTING( 0x08, "5/750 points" )
+ PORT_BIT ( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* SLAM */
+ PORT_SERVICE( 0x20, IP_ACTIVE_HIGH)
+ PORT_BIT ( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON1 ) /* Serve */
+ PORT_BIT ( 0x80, IP_ACTIVE_LOW, IPT_VBLANK ) /* VBLANK */
+
+ PORT_START_TAG("IN2")
+ PORT_BIT( 0xff, 0x80, IPT_PADDLE ) PORT_MINMAX(0x40,0xb7) PORT_SENSITIVITY(50) PORT_KEYDELTA(10) PORT_CENTERDELTA(0)
+INPUT_PORTS_END
+
+
+static INPUT_PORTS_START( cascade )
+ PORT_START_TAG("IN0")
+ PORT_BIT (0x03, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* Spare */
+ PORT_DIPNAME( 0x0c, 0x04, DEF_STR( Coinage ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x0c, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) )
+ PORT_DIPNAME( 0x30, 0x00, DEF_STR( Language ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( English ) )
+ PORT_DIPSETTING( 0x30, DEF_STR( German ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( French ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( Italian ) )
+ PORT_BIT (0x40, IP_ACTIVE_HIGH, IPT_START2 )
+ PORT_BIT (0x80, IP_ACTIVE_HIGH, IPT_START1 )
+
+ PORT_START_TAG("IN1")
+ PORT_BIT ( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 )
+ PORT_BIT ( 0x02, IP_ACTIVE_HIGH, IPT_COIN2 )
+ PORT_DIPNAME( 0x04, 0x04, "Allow Extended Play" )
+ PORT_DIPSETTING( 0x00, DEF_STR( No ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( Yes ) )
+ PORT_DIPNAME( 0x08, 0x00, "Extended Play" )
+ PORT_DIPSETTING( 0x00, "1500 points" )
+ PORT_DIPSETTING( 0x08, "2500 points" )
+ PORT_BIT ( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* SLAM */
+ PORT_SERVICE( 0x20, IP_ACTIVE_HIGH)
+ PORT_BIT ( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON1 ) /* Serve */
+ PORT_BIT ( 0x80, IP_ACTIVE_LOW, IPT_VBLANK ) /* VBLANK */
+
+ PORT_START_TAG("IN2")
+ PORT_BIT( 0xff, 0x80, IPT_PADDLE ) PORT_MINMAX(0x40,0xb7) PORT_SENSITIVITY(50) PORT_KEYDELTA(10) PORT_CENTERDELTA(0)
+INPUT_PORTS_END
+
+
+
+/*************************************
+ *
+ * Machine driver
+ *
+ *************************************/
+
+static MACHINE_DRIVER_START( avalnche )
+
+ /* basic machine hardware */
+ MDRV_CPU_ADD(M6502,12096000/16) /* clock input is the "2H" signal divided by two */
+ MDRV_CPU_PROGRAM_MAP(main_map,0)
+ MDRV_CPU_VBLANK_INT(avalnche_interrupt,8)
+
+ MDRV_SCREEN_REFRESH_RATE(60)
+ MDRV_SCREEN_VBLANK_TIME(DEFAULT_REAL_60HZ_VBLANK_DURATION)
+
+ /* video hardware */
+ MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
+ MDRV_VIDEO_UPDATE(avalnche)
+
+ MDRV_SCREEN_ADD("main", 0)
+ MDRV_SCREEN_FORMAT(BITMAP_FORMAT_RGB32)
+ MDRV_SCREEN_SIZE(32*8, 32*8)
+ MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 32*8-1)
+
+ /* sound hardware */
+ MDRV_SPEAKER_STANDARD_MONO("mono")
+
+ MDRV_SOUND_ADD(DISCRETE, 0)
+ MDRV_SOUND_CONFIG_DISCRETE(avalnche)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+MACHINE_DRIVER_END
+
+
+
+/*************************************
+ *
+ * ROM definitions
+ *
+ *************************************/
+
+ROM_START( avalnche )
+ ROM_REGION( 0x8000, REGION_CPU1, 0 )
+ ROM_LOAD_NIB_HIGH( "30612.d2", 0x6800, 0x0800, CRC(3f975171) SHA1(afe680865da97824f1ebade4c7a2ba5d7ee2cbab) )
+ ROM_LOAD_NIB_LOW ( "30615.d3", 0x6800, 0x0800, CRC(3e1a86b4) SHA1(3ff4cffea5b7a32231c0996473158f24c3bbe107) )
+ ROM_LOAD_NIB_HIGH( "30613.e2", 0x7000, 0x0800, CRC(47a224d3) SHA1(9feb7444a2e5a3d90a4fe78ae5d23c3a5039bfaa) )
+ ROM_LOAD_NIB_LOW ( "30616.e3", 0x7000, 0x0800, CRC(f620f0f8) SHA1(7802b399b3469fc840796c3145b5f63781090956) )
+ ROM_LOAD_NIB_HIGH( "30611.c2", 0x7800, 0x0800, CRC(0ad07f85) SHA1(5a1a873b14e63dbb69ee3686ba53f7ca831fe9d0) )
+ ROM_LOAD_NIB_LOW ( "30614.c3", 0x7800, 0x0800, CRC(a12d5d64) SHA1(1647d7416bf9266d07f066d3797bda943e004d24) )
+ROM_END
+
+ROM_START( cascade )
+ ROM_REGION( 0x8000, REGION_CPU1, 0 )
+ ROM_LOAD( "10005.1a", 0x6800, 0x0400, CRC(54774594) SHA1(03e013b563675fb8a30bd69836466a353db9bfc7) )
+ ROM_LOAD( "10005.1b", 0x6c00, 0x0400, CRC(fd9575ad) SHA1(ed0a1343d3c0456d458561256d5ee966b6c213f4) )
+ ROM_LOAD( "10005.2a", 0x7000, 0x0400, CRC(12857c75) SHA1(e42fdee70bd19d6f60e88f106a49dbbd68c591cd) )
+ ROM_LOAD( "10005.2b", 0x7400, 0x0400, CRC(26361698) SHA1(587cc6f0dc068a74aac41c2cb3336d70d2dd91e5) )
+ ROM_LOAD( "10005.3a", 0x7800, 0x0400, CRC(d1f422ff) SHA1(65ecbf0a22ba340d6a1768ed029030bac9c19e0f) )
+ ROM_LOAD( "10005.3b", 0x7c00, 0x0400, CRC(bb243d96) SHA1(3a387a8c50cd9b0db37d12b94dc9e260892dbf21) )
+ROM_END
+
+
+
+/*************************************
+ *
+ * Game drivers
+ *
+ *************************************/
+
+GAMEL( 1978, avalnche, 0, avalnche, avalnche, 0, ROT0, "Atari", "Avalanche", 0, layout_avalnche )
+GAMEL( 1978, cascade, avalnche, avalnche, cascade, 0, ROT0, "Sidam", "Cascade", 0, layout_avalnche )