diff options
Diffstat (limited to 'src/mame/drivers/cball.c')
-rw-r--r-- | src/mame/drivers/cball.c | 249 |
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 ) |