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-rw-r--r--src/mame/drivers/cball.c249
1 files changed, 249 insertions, 0 deletions
diff --git a/src/mame/drivers/cball.c b/src/mame/drivers/cball.c
new file mode 100644
index 00000000000..f7f8ce9c655
--- /dev/null
+++ b/src/mame/drivers/cball.c
@@ -0,0 +1,249 @@
+/***************************************************************************
+
+ Atari Cannonball (prototype) driver
+
+***************************************************************************/
+
+#include "driver.h"
+
+static UINT8* cball_video_ram;
+
+static tilemap* bg_tilemap;
+
+
+static TILE_GET_INFO( get_tile_info )
+{
+ UINT8 code = cball_video_ram[tile_index];
+
+ SET_TILE_INFO(0, code, code >> 7, 0);
+}
+
+
+static WRITE8_HANDLER( cball_vram_w )
+{
+ cball_video_ram[offset] = data;
+ tilemap_mark_tile_dirty(bg_tilemap, offset);
+}
+
+
+static VIDEO_START( cball )
+{
+ bg_tilemap = tilemap_create(get_tile_info, tilemap_scan_rows, TILEMAP_TYPE_PEN, 8, 8, 32, 32);
+}
+
+
+static VIDEO_UPDATE( cball )
+{
+ /* draw playfield */
+
+ tilemap_draw(bitmap, cliprect, bg_tilemap, 0, 0);
+
+ /* draw sprite */
+
+ drawgfx(bitmap, machine->gfx[1],
+ cball_video_ram[0x399] >> 4,
+ 0,
+ 0, 0,
+ 240 - cball_video_ram[0x390],
+ 240 - cball_video_ram[0x398],
+ cliprect, TRANSPARENCY_PEN, 0);
+ return 0;
+}
+
+
+static TIMER_CALLBACK( interrupt_callback )
+{
+ int scanline = param;
+
+ cpunum_set_input_line(0, 0, PULSE_LINE);
+
+ scanline = scanline + 32;
+
+ if (scanline >= 262)
+ {
+ scanline = 16;
+ }
+
+ timer_set(video_screen_get_time_until_pos(0, scanline, 0), scanline, interrupt_callback);
+}
+
+
+static MACHINE_RESET( cball )
+{
+ timer_set(video_screen_get_time_until_pos(0, 16, 0), 16, interrupt_callback);
+}
+
+
+static PALETTE_INIT( cball )
+{
+ palette_set_color(machine, 0, MAKE_RGB(0x80, 0x80, 0x80));
+ palette_set_color(machine, 1, MAKE_RGB(0x00, 0x00, 0x00));
+ palette_set_color(machine, 2, MAKE_RGB(0x80, 0x80, 0x80));
+ palette_set_color(machine, 3, MAKE_RGB(0xff, 0xff, 0xff));
+ palette_set_color(machine, 4, MAKE_RGB(0x80, 0x80, 0x80));
+ palette_set_color(machine, 5, MAKE_RGB(0xc0, 0xc0, 0xc0));
+}
+
+
+static READ8_HANDLER( cball_wram_r )
+{
+ return cball_video_ram[0x380 + offset];
+}
+
+
+static WRITE8_HANDLER( cball_wram_w )
+{
+ cball_video_ram[0x380 + offset] = data;
+}
+
+
+
+static ADDRESS_MAP_START( cpu_map, ADDRESS_SPACE_PROGRAM, 8 )
+ ADDRESS_MAP_FLAGS( AMEF_ABITS(15) )
+
+ AM_RANGE(0x0000, 0x03ff) AM_READ(cball_wram_r) AM_MASK(0x7f)
+ AM_RANGE(0x0400, 0x07ff) AM_READ(MRA8_RAM)
+ AM_RANGE(0x1001, 0x1001) AM_READ(input_port_0_r)
+ AM_RANGE(0x1003, 0x1003) AM_READ(input_port_1_r)
+ AM_RANGE(0x1020, 0x1020) AM_READ(input_port_2_r)
+ AM_RANGE(0x1040, 0x1040) AM_READ(input_port_3_r)
+ AM_RANGE(0x1060, 0x1060) AM_READ(input_port_4_r)
+ AM_RANGE(0x2000, 0x2001) AM_NOP
+ AM_RANGE(0x2800, 0x2800) AM_READ(input_port_5_r)
+
+ AM_RANGE(0x0000, 0x03ff) AM_WRITE(cball_wram_w) AM_MASK(0x7f)
+ AM_RANGE(0x0400, 0x07ff) AM_WRITE(cball_vram_w) AM_BASE(&cball_video_ram)
+ AM_RANGE(0x1800, 0x1800) AM_NOP /* watchdog? */
+ AM_RANGE(0x1810, 0x1811) AM_NOP
+ AM_RANGE(0x1820, 0x1821) AM_NOP
+ AM_RANGE(0x1830, 0x1831) AM_NOP
+ AM_RANGE(0x1840, 0x1841) AM_NOP
+ AM_RANGE(0x1850, 0x1851) AM_NOP
+ AM_RANGE(0x1870, 0x1871) AM_NOP
+
+ AM_RANGE(0x7000, 0x7fff) AM_ROM
+ADDRESS_MAP_END
+
+
+static INPUT_PORTS_START( cball )
+
+ PORT_START /* 1001 */
+ PORT_DIPNAME( 0xc0, 0xc0, DEF_STR( Coinage ))
+ PORT_DIPSETTING( 0x00, "2 Coins each" )
+ PORT_DIPSETTING( 0xc0, "1 Coin each" )
+ PORT_DIPSETTING( 0x80, "1 Coin 1 Game" )
+ PORT_DIPSETTING( 0x40, "1 Coin 2 Games" )
+
+ PORT_START /* 1003 */
+ PORT_DIPNAME( 0xc0, 0xc0, DEF_STR( Lives ))
+ PORT_DIPSETTING( 0xc0, "3" )
+ PORT_DIPSETTING( 0x80, "5" )
+ PORT_DIPSETTING( 0x40, "7" )
+ PORT_DIPSETTING( 0x00, "9" )
+
+ PORT_START /* 1020 */
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START2 )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START1 )
+
+ PORT_START /* 1040 */
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN2 )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 )
+
+ PORT_START /* 1060 */
+ PORT_SERVICE( 0x80, IP_ACTIVE_LOW )
+
+ PORT_START /* 2800 */
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON2 )
+
+INPUT_PORTS_END
+
+
+static const gfx_layout tile_layout =
+{
+ 8, 8,
+ 64,
+ 1,
+ { 0 },
+ {
+ 0, 1, 2, 3, 4, 5, 6, 7
+ },
+ {
+ 0x00, 0x08, 0x10, 0x18, 0x20, 0x28, 0x30, 0x38
+ },
+ 0x40
+};
+
+
+static const gfx_layout sprite_layout =
+{
+ 16, 16,
+ 16,
+ 1,
+ { 0 },
+ {
+ 0x7, 0x6, 0x5, 0x4, 0x3, 0x2, 0x1, 0x0,
+ 0xf, 0xe, 0xd, 0xc, 0xb, 0xa, 0x9, 0x8
+ },
+ {
+ 0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70,
+ 0x80, 0x90, 0xa0, 0xb0, 0xc0, 0xd0, 0xe0, 0xf0
+ },
+ 0x100
+};
+
+
+static GFXDECODE_START( cball )
+ GFXDECODE_ENTRY( REGION_GFX1, 0, tile_layout, 0, 2 )
+ GFXDECODE_ENTRY( REGION_GFX2, 0, sprite_layout, 4, 1 )
+GFXDECODE_END
+
+
+static MACHINE_DRIVER_START( cball )
+
+ /* basic machine hardware */
+ MDRV_CPU_ADD(M6800, 12096000 / 16) /* ? */
+ MDRV_CPU_PROGRAM_MAP(cpu_map, 0)
+
+ MDRV_SCREEN_REFRESH_RATE(60)
+ MDRV_MACHINE_RESET(cball)
+
+ /* video hardware */
+ MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
+ MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MDRV_SCREEN_SIZE(256, 262)
+ MDRV_SCREEN_VISIBLE_AREA(0, 255, 0, 223)
+ MDRV_GFXDECODE(cball)
+ MDRV_PALETTE_LENGTH(6)
+
+ MDRV_PALETTE_INIT(cball)
+ MDRV_VIDEO_START(cball)
+ MDRV_VIDEO_UPDATE(cball)
+
+ /* sound hardware */
+MACHINE_DRIVER_END
+
+
+ROM_START( cball )
+ ROM_REGION( 0x8000, REGION_CPU1, 0 )
+ ROM_LOAD_NIB_LOW ( "canball.1e", 0x7400, 0x0400, CRC(0b34823b) SHA1(0db6b9f78f7c07ee7d35f2bf048ba61fe43b1e26) )
+ ROM_LOAD_NIB_HIGH( "canball.1l", 0x7400, 0x0400, CRC(b43ca275) SHA1(a03e03f6366877cfdcec71030a5fb2c5171c8d8a) )
+ ROM_LOAD_NIB_LOW ( "canball.1f", 0x7800, 0x0400, CRC(29b4e1f7) SHA1(8cef944b6e0153c304aa2d4cfdc530b8a4eef021) )
+ ROM_LOAD_NIB_HIGH( "canball.1k", 0x7800, 0x0400, CRC(a4d1cf12) SHA1(99de6470efd16e57d72019e065f55bc740f3c7fc) )
+ ROM_LOAD_NIB_LOW ( "canball.1h", 0x7c00, 0x0400, CRC(13f55937) SHA1(7514c27e60944c4e00992c8ecbc5115f8ff948bb) )
+ ROM_LOAD_NIB_HIGH( "canball.1j", 0x7c00, 0x0400, CRC(5b905d69) SHA1(2408dd6e44c51c0c9bdb82d2d33826c03f8308c4) )
+
+ ROM_REGION( 0x0200, REGION_GFX1, ROMREGION_DISPOSE ) /* tiles */
+ ROM_LOAD_NIB_LOW ( "canball.6m", 0x0000, 0x0200, NO_DUMP )
+ ROM_LOAD_NIB_HIGH( "canball.6l", 0x0000, 0x0200, CRC(5b1c9e88) SHA1(6e9630db9907170c53942a21302bcf8b721590a3) )
+
+ ROM_REGION( 0x0200, REGION_GFX2, ROMREGION_DISPOSE ) /* sprites */
+ ROM_LOAD_NIB_LOW ( "canball.5l", 0x0000, 0x0200, CRC(3d0d1569) SHA1(1dfcf5cf9468d476c4b7d76a261c6fec87a99f93) )
+ ROM_LOAD_NIB_HIGH( "canball.5k", 0x0000, 0x0200, CRC(c5fdd3c8) SHA1(5aae148439683ff1cf0005a810c81fdcbed525c3) )
+
+ ROM_REGION( 0x0100, REGION_PROMS, ROMREGION_DISPOSE )
+ ROM_LOAD( "canball.6h", 0x0000, 0x0100, CRC(b8094b4c) SHA1(82dc6799a19984f3b204ee3aeeb007e55afc8be3) ) /* sync */
+ROM_END
+
+
+GAME( 1976, cball, 0, cball, cball, 0, ROT0, "Atari", "Cannonball (Atari, prototype)", GAME_NO_SOUND | GAME_WRONG_COLORS | GAME_IMPERFECT_GRAPHICS )