// license:BSD-3-Clause // copyright-holders:Stefan Jokisch /*************************************************************************** Atari Mini Golf (prototype) driver ***************************************************************************/ #include "emu.h" #include "cpu/m6502/m6502.h" class mgolf_state : public driver_device { public: enum { TIMER_INTERRUPT }; mgolf_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 m_maincpu; required_device m_gfxdecode; required_device m_screen; required_device m_palette; /* memory pointers */ required_shared_ptr m_video_ram; /* video-related */ tilemap_t* m_bg_tilemap; /* misc */ UINT8 m_prev; UINT8 m_mask; attotime m_time_pushed; attotime m_time_released; emu_timer *m_interrupt_timer; DECLARE_WRITE8_MEMBER(vram_w); DECLARE_READ8_MEMBER(wram_r); DECLARE_READ8_MEMBER(dial_r); DECLARE_READ8_MEMBER(misc_r); DECLARE_WRITE8_MEMBER(wram_w); TILE_GET_INFO_MEMBER(get_tile_info); virtual void machine_start() override; virtual void machine_reset() override; virtual void video_start() override; DECLARE_PALETTE_INIT(mgolf); UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); TIMER_CALLBACK_MEMBER(interrupt_callback); void update_plunger( ); double calc_plunger_pos(); protected: virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; }; TILE_GET_INFO_MEMBER(mgolf_state::get_tile_info) { UINT8 code = m_video_ram[tile_index]; SET_TILE_INFO_MEMBER(0, code, code >> 7, 0); } WRITE8_MEMBER(mgolf_state::vram_w) { m_video_ram[offset] = data; m_bg_tilemap->mark_tile_dirty(offset); } void mgolf_state::video_start() { m_bg_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(mgolf_state::get_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 32, 32); } UINT32 mgolf_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { int i; /* draw playfield */ m_bg_tilemap->draw(screen, bitmap, cliprect, 0, 0); /* draw sprites */ for (i = 0; i < 2; i++) { m_gfxdecode->gfx(1)->transpen(bitmap,cliprect, m_video_ram[0x399 + 4 * i], i, 0, 0, m_video_ram[0x390 + 2 * i] - 7, m_video_ram[0x398 + 4 * i] - 16, 0); m_gfxdecode->gfx(1)->transpen(bitmap,cliprect, m_video_ram[0x39b + 4 * i], i, 0, 0, m_video_ram[0x390 + 2 * i] - 15, m_video_ram[0x39a + 4 * i] - 16, 0); } return 0; } void mgolf_state::update_plunger( ) { UINT8 val = ioport("BUTTON")->read(); if (m_prev != val) { if (val == 0) { m_time_released = machine().time(); if (!m_mask) m_maincpu->set_input_line(INPUT_LINE_NMI, PULSE_LINE); } else m_time_pushed = machine().time(); m_prev = val; } } void mgolf_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 mgolf_state::device_timer"); } } TIMER_CALLBACK_MEMBER(mgolf_state::interrupt_callback) { int scanline = param; update_plunger(); generic_pulse_irq_line(*m_maincpu, 0, 1); scanline = scanline + 32; if (scanline >= 262) scanline = 16; m_interrupt_timer->adjust(m_screen->time_until_pos(scanline), scanline); } double mgolf_state::calc_plunger_pos() { return (machine().time().as_double() - m_time_released.as_double()) * (m_time_released.as_double() - m_time_pushed.as_double() + 0.2); } READ8_MEMBER(mgolf_state::wram_r) { return m_video_ram[0x380 + offset]; } READ8_MEMBER(mgolf_state::dial_r) { UINT8 val = ioport("41")->read(); if ((ioport("DIAL")->read() + 0x00) & 0x20) { val |= 0x01; } if ((ioport("DIAL")->read() + 0x10) & 0x20) { val |= 0x02; } return val; } READ8_MEMBER(mgolf_state::misc_r) { double plunger = calc_plunger_pos(); /* see Video Pinball */ UINT8 val = ioport("61")->read(); if (plunger >= 0.000 && plunger <= 0.001) { val &= ~0x20; /* PLUNGER1 */ } if (plunger >= 0.006 && plunger <= 0.007) { val &= ~0x40; /* PLUNGER2 */ } return val; } WRITE8_MEMBER(mgolf_state::wram_w) { m_video_ram[0x380 + offset] = data; } static ADDRESS_MAP_START( cpu_map, AS_PROGRAM, 8, mgolf_state ) ADDRESS_MAP_GLOBAL_MASK(0x3fff) AM_RANGE(0x0040, 0x0040) AM_READ_PORT("40") AM_RANGE(0x0041, 0x0041) AM_READ(dial_r) AM_RANGE(0x0060, 0x0060) AM_READ_PORT("60") AM_RANGE(0x0061, 0x0061) AM_READ(misc_r) AM_RANGE(0x0080, 0x00ff) AM_READ(wram_r) AM_RANGE(0x0180, 0x01ff) AM_READ(wram_r) AM_RANGE(0x0800, 0x0bff) AM_READONLY AM_RANGE(0x0000, 0x0009) AM_WRITENOP AM_RANGE(0x0024, 0x0024) AM_WRITENOP AM_RANGE(0x0028, 0x0028) AM_WRITENOP AM_RANGE(0x0042, 0x0042) AM_WRITENOP AM_RANGE(0x0044, 0x0044) AM_WRITENOP /* watchdog? */ AM_RANGE(0x0046, 0x0046) AM_WRITENOP AM_RANGE(0x0060, 0x0060) AM_WRITENOP AM_RANGE(0x0061, 0x0061) AM_WRITENOP AM_RANGE(0x006a, 0x006a) AM_WRITENOP AM_RANGE(0x006c, 0x006c) AM_WRITENOP AM_RANGE(0x006d, 0x006d) AM_WRITENOP AM_RANGE(0x0080, 0x00ff) AM_WRITE(wram_w) AM_RANGE(0x0180, 0x01ff) AM_WRITE(wram_w) AM_RANGE(0x0800, 0x0bff) AM_WRITE(vram_w) AM_SHARE("video_ram") AM_RANGE(0x2000, 0x3fff) AM_ROM ADDRESS_MAP_END static INPUT_PORTS_START( mgolf ) PORT_START("40") PORT_DIPNAME( 0x30, 0x00, DEF_STR( Language ) ) PORT_DIPSETTING( 0x00, DEF_STR( English ) ) PORT_DIPSETTING( 0x10, DEF_STR( French ) ) PORT_DIPSETTING( 0x20, DEF_STR( Spanish ) ) PORT_DIPSETTING( 0x30, DEF_STR( German ) ) PORT_DIPNAME( 0xc0, 0x40, "Shots per Coin" ) PORT_DIPSETTING( 0x00, "25" ) PORT_DIPSETTING( 0x40, "30" ) PORT_DIPSETTING( 0x80, "35" ) PORT_DIPSETTING( 0xc0, "40" ) PORT_START("41") PORT_BIT ( 0x01, IP_ACTIVE_HIGH, IPT_SPECIAL ) /* DIAL A */ PORT_BIT ( 0x02, IP_ACTIVE_HIGH, IPT_SPECIAL ) /* DIAL B */ PORT_BIT ( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT ( 0x08, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_VBLANK("screen") PORT_START("60") PORT_SERVICE( 0x10, IP_ACTIVE_LOW ) PORT_BIT ( 0x20, IP_ACTIVE_LOW, IPT_TILT ) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_IMPULSE(1) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_COIN2 ) PORT_IMPULSE(1) PORT_START("61") PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("Course Select") PORT_CODE(KEYCODE_SPACE) PORT_BIT ( 0x20, IP_ACTIVE_LOW, IPT_SPECIAL ) /* PLUNGER 1 */ PORT_BIT ( 0x40, IP_ACTIVE_LOW, IPT_SPECIAL ) /* PLUNGER 2 */ PORT_BIT ( 0x80, IP_ACTIVE_LOW, IPT_START1 ) PORT_START("DIAL") PORT_BIT( 0xff, 0x00, IPT_DIAL ) PORT_SENSITIVITY(100) PORT_KEYDELTA(25) PORT_START("BUTTON") PORT_BIT ( 0xff, IP_ACTIVE_HIGH, IPT_BUTTON1 ) INPUT_PORTS_END PALETTE_INIT_MEMBER(mgolf_state, mgolf) { 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)); } static const gfx_layout tile_layout = { 8, 8, 128, 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 = { 8, 16, 16, 1, { 0 }, { 7, 6, 5, 4, 3, 2, 1, 0, }, { 0x00, 0x08, 0x10, 0x18, 0x20, 0x28, 0x30, 0x38, 0x40, 0x48, 0x50, 0x58, 0x60, 0x68, 0x70, 0x78 }, 0x80 }; static GFXDECODE_START( mgolf ) GFXDECODE_ENTRY( "gfx1", 0, tile_layout, 0, 2 ) GFXDECODE_ENTRY( "gfx2", 0, sprite_layout, 0, 2 ) GFXDECODE_END void mgolf_state::machine_start() { m_interrupt_timer = timer_alloc(TIMER_INTERRUPT); save_item(NAME(m_prev)); save_item(NAME(m_mask)); save_item(NAME(m_time_pushed)); save_item(NAME(m_time_released)); } void mgolf_state::machine_reset() { m_interrupt_timer->adjust(m_screen->time_until_pos(16), 16); m_mask = 0; m_prev = 0; } static MACHINE_CONFIG_START( mgolf, mgolf_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", M6502, 12096000 / 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(mgolf_state, screen_update) MCFG_SCREEN_PALETTE("palette") MCFG_GFXDECODE_ADD("gfxdecode", "palette", mgolf) MCFG_PALETTE_ADD("palette", 4) MCFG_PALETTE_INIT_OWNER(mgolf_state, mgolf) /* sound hardware */ MACHINE_CONFIG_END ROM_START( mgolf ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD_NIB_LOW ( "33496-01.e1", 0x2000, 0x0800, CRC(9ea98f39) SHA1(f5685554c2088032d3e8b9e8066bb3e8274c2425) ) ROM_LOAD_NIB_HIGH( "33497-01.j1", 0x2000, 0x0800, CRC(0f34962b) SHA1(f71c4a008905bc87cb2ce4971fea357ed7d5d28a) ) ROM_LOAD_NIB_LOW ( "33498-01.c2", 0x2800, 0x0800, CRC(413b616e) SHA1(dec9d9a86159a378ae79986d7fbc6f326b48c969) ) ROM_LOAD_NIB_HIGH( "33499-01.k1", 0x2800, 0x0800, CRC(e4566326) SHA1(bc838f1bb82c865ec4357b3274ff3306336a4601) ) ROM_LOAD_NIB_LOW ( "33500-01.e2", 0x3000, 0x0800, CRC(50bb1eb6) SHA1(6973d4817d4819fb2ada88f96f19d8248228d01f) ) ROM_LOAD_NIB_HIGH( "33501-01.m2", 0x3000, 0x0800, CRC(a66a6ff2) SHA1(aa58349451e31b9ab28136a424e83dfc796af205) ) ROM_LOAD_NIB_LOW ( "33502-01.j2", 0x3800, 0x0800, CRC(2177b041) SHA1(c842f8764e28c377e35458f1ae972a3c0278df45) ) ROM_LOAD_NIB_HIGH( "33503-01.k2", 0x3800, 0x0800, CRC(db6ccbf6) SHA1(84f7b8bf37b487a386f700fb35c15a0c6e5254a4) ) ROM_REGION( 0x0400, "gfx1", 0 ) /* tiles */ ROM_LOAD( "33524-01.h8", 0x0000, 0x0200, CRC(bd0e3bb3) SHA1(d833bf777118800c84fdae3d52c856375e05bc26) ) ROM_LOAD( "33525-01.f8", 0x0200, 0x0200, CRC(7b2bac96) SHA1(2d2580b66b56de2837ccb3b60d0f24a03d018fbd) ) ROM_REGION( 0x0100, "gfx2", 0 ) /* sprites */ ROM_LOAD_NIB_LOW ( "33526-01.f5", 0x0000, 0x0100, CRC(feee59ad) SHA1(6a7a3e043d7db2c2711029fcd49e1e2ff4cfde78) ) ROM_LOAD_NIB_HIGH( "33527-01.e5", 0x0000, 0x0100, CRC(d482bdf2) SHA1(59251980bb7c6b02dcd75c46e32c9bf9d8c5e8c1) ) ROM_REGION( 0x0200, "proms", 0 ) ROM_LOAD( "33756-01.m7", 0x0000, 0x0200, CRC(4cec9bf3) SHA1(6dd49f045fb53ae9f412639117b107faa93dfd99) ) ROM_END GAME( 1978, mgolf, 0, mgolf, mgolf, driver_device, 0, ROT270, "Atari", "Atari Mini Golf (prototype)", MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE )