diff options
Diffstat (limited to 'src/mame/drivers/cball.cpp')
-rw-r--r-- | src/mame/drivers/cball.cpp | 306 |
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 ) |