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-rw-r--r--src/mame/drivers/cball.cpp306
1 files changed, 306 insertions, 0 deletions
diff --git a/src/mame/drivers/cball.cpp b/src/mame/drivers/cball.cpp
new file mode 100644
index 00000000000..e36a32361c7
--- /dev/null
+++ b/src/mame/drivers/cball.cpp
@@ -0,0 +1,306 @@
+// license:???
+// copyright-holders:Stefan Jokisch
+/***************************************************************************
+
+ Atari Cannonball (prototype) driver
+
+***************************************************************************/
+
+#include "emu.h"
+#include "cpu/m6800/m6800.h"
+
+
+class cball_state : public driver_device
+{
+public:
+ enum
+ {
+ TIMER_INTERRUPT
+ };
+
+ cball_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_maincpu(*this, "maincpu"),
+ m_gfxdecode(*this, "gfxdecode"),
+ m_screen(*this, "screen"),
+ m_palette(*this, "palette"),
+ m_video_ram(*this, "video_ram") { }
+
+ /* devices */
+ required_device<cpu_device> m_maincpu;
+ required_device<gfxdecode_device> m_gfxdecode;
+ required_device<screen_device> m_screen;
+ required_device<palette_device> m_palette;
+
+ /* memory pointers */
+ required_shared_ptr<UINT8> m_video_ram;
+
+ /* video-related */
+ tilemap_t* m_bg_tilemap;
+
+ emu_timer *m_int_timer;
+ TIMER_CALLBACK_MEMBER(interrupt_callback);
+
+ DECLARE_WRITE8_MEMBER(vram_w);
+ DECLARE_READ8_MEMBER(wram_r);
+ DECLARE_WRITE8_MEMBER(wram_w);
+
+ TILE_GET_INFO_MEMBER(get_tile_info);
+
+ virtual void machine_start();
+ virtual void machine_reset();
+ virtual void video_start();
+ DECLARE_PALETTE_INIT(cball);
+
+ UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+
+protected:
+ virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
+};
+
+
+TILE_GET_INFO_MEMBER(cball_state::get_tile_info)
+{
+ UINT8 code = m_video_ram[tile_index];
+
+ SET_TILE_INFO_MEMBER(0, code, code >> 7, 0);
+}
+
+
+WRITE8_MEMBER(cball_state::vram_w)
+{
+ m_video_ram[offset] = data;
+ m_bg_tilemap->mark_tile_dirty(offset);
+}
+
+
+void cball_state::video_start()
+{
+ m_bg_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(cball_state::get_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 32, 32);
+}
+
+
+UINT32 cball_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
+{
+ /* draw playfield */
+ m_bg_tilemap->draw(screen, bitmap, cliprect, 0, 0);
+
+ /* draw sprite */
+ m_gfxdecode->gfx(1)->transpen(bitmap,cliprect,
+ m_video_ram[0x399] >> 4,
+ 0,
+ 0, 0,
+ 240 - m_video_ram[0x390],
+ 240 - m_video_ram[0x398], 0);
+ return 0;
+}
+
+
+void cball_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
+{
+ switch (id)
+ {
+ case TIMER_INTERRUPT:
+ interrupt_callback(ptr, param);
+ break;
+ default:
+ assert_always(FALSE, "Unknown id in cball_state::device_timer");
+ }
+}
+
+
+TIMER_CALLBACK_MEMBER(cball_state::interrupt_callback)
+{
+ int scanline = param;
+
+ generic_pulse_irq_line(*m_maincpu, 0, 1);
+
+ scanline = scanline + 32;
+
+ if (scanline >= 262)
+ scanline = 16;
+
+ m_int_timer->adjust(m_screen->time_until_pos(scanline), scanline);
+}
+
+
+void cball_state::machine_start()
+{
+ m_int_timer = timer_alloc(TIMER_INTERRUPT);
+}
+
+void cball_state::machine_reset()
+{
+ m_int_timer->adjust(m_screen->time_until_pos(16), 16);
+}
+
+
+PALETTE_INIT_MEMBER(cball_state, cball)
+{
+ palette.set_pen_color(0, rgb_t(0x80, 0x80, 0x80));
+ palette.set_pen_color(1, rgb_t(0x00, 0x00, 0x00));
+ palette.set_pen_color(2, rgb_t(0x80, 0x80, 0x80));
+ palette.set_pen_color(3, rgb_t(0xff, 0xff, 0xff));
+ palette.set_pen_color(4, rgb_t(0x80, 0x80, 0x80));
+ palette.set_pen_color(5, rgb_t(0xc0, 0xc0, 0xc0));
+}
+
+
+READ8_MEMBER(cball_state::wram_r)
+{
+ return m_video_ram[0x380 + offset];
+}
+
+
+WRITE8_MEMBER(cball_state::wram_w)
+{
+ m_video_ram[0x380 + offset] = data;
+}
+
+
+
+static ADDRESS_MAP_START( cpu_map, AS_PROGRAM, 8, cball_state )
+ ADDRESS_MAP_GLOBAL_MASK(0x7fff)
+
+ AM_RANGE(0x0000, 0x03ff) AM_READ(wram_r) AM_MASK(0x7f)
+ AM_RANGE(0x0400, 0x07ff) AM_READONLY
+ AM_RANGE(0x1001, 0x1001) AM_READ_PORT("1001")
+ AM_RANGE(0x1003, 0x1003) AM_READ_PORT("1003")
+ AM_RANGE(0x1020, 0x1020) AM_READ_PORT("1020")
+ AM_RANGE(0x1040, 0x1040) AM_READ_PORT("1040")
+ AM_RANGE(0x1060, 0x1060) AM_READ_PORT("1060")
+ AM_RANGE(0x2000, 0x2001) AM_NOP
+ AM_RANGE(0x2800, 0x2800) AM_READ_PORT("2800")
+
+ AM_RANGE(0x0000, 0x03ff) AM_WRITE(wram_w) AM_MASK(0x7f)
+ AM_RANGE(0x0400, 0x07ff) AM_WRITE(vram_w) AM_SHARE("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( "gfx1", 0, tile_layout, 0, 2 )
+ GFXDECODE_ENTRY( "gfx2", 0, sprite_layout, 4, 1 )
+GFXDECODE_END
+
+
+static MACHINE_CONFIG_START( cball, cball_state )
+
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", M6800, XTAL_12_096MHz / 16) /* ? */
+ MCFG_CPU_PROGRAM_MAP(cpu_map)
+
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(60)
+ MCFG_SCREEN_SIZE(256, 262)
+ MCFG_SCREEN_VISIBLE_AREA(0, 255, 0, 223)
+ MCFG_SCREEN_UPDATE_DRIVER(cball_state, screen_update)
+ MCFG_SCREEN_PALETTE("palette")
+
+ MCFG_GFXDECODE_ADD("gfxdecode", "palette", cball)
+ MCFG_PALETTE_ADD("palette", 6)
+ MCFG_PALETTE_INIT_OWNER(cball_state, cball)
+
+ /* sound hardware */
+MACHINE_CONFIG_END
+
+
+ROM_START( cball )
+ ROM_REGION( 0x8000, "maincpu", 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, "gfx1", 0 ) /* tiles */
+ ROM_LOAD_NIB_LOW ( "canball.6m", 0x0000, 0x0200, BAD_DUMP CRC(b2aa7578) SHA1(5c3eb80066420002bc3dcc7ca4ab6efad7ed4ae5) ) // missing rom, zerofilled
+ ROM_LOAD_NIB_HIGH( "canball.6l", 0x0000, 0x0200, CRC(5b1c9e88) SHA1(6e9630db9907170c53942a21302bcf8b721590a3) )
+
+ ROM_REGION( 0x0200, "gfx2", 0 ) /* 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, "proms", 0 )
+ ROM_LOAD( "canball.6h", 0x0000, 0x0100, CRC(b8094b4c) SHA1(82dc6799a19984f3b204ee3aeeb007e55afc8be3) ) /* sync */
+ROM_END
+
+
+GAME( 1976, cball, 0, cball, cball, driver_device, 0, ROT0, "Atari", "Cannonball (Atari, prototype)", MACHINE_NO_SOUND | MACHINE_WRONG_COLORS | MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE )