/*************************************************************************** Atari Mini Golf (prototype) driver ***************************************************************************/ #include "driver.h" static UINT8* mgolf_video_ram; static attotime time_pushed; static attotime time_released; static UINT8 prev = 0; static UINT8 mask = 0; static tilemap* bg_tilemap; static TILE_GET_INFO( get_tile_info ) { UINT8 code = mgolf_video_ram[tile_index]; SET_TILE_INFO(0, code, code >> 7, 0); } static WRITE8_HANDLER( mgolf_vram_w ) { mgolf_video_ram[offset] = data; tilemap_mark_tile_dirty(bg_tilemap, offset); } static VIDEO_START( mgolf ) { bg_tilemap = tilemap_create(get_tile_info, tilemap_scan_rows, 8, 8, 32, 32); } static VIDEO_UPDATE( mgolf ) { int i; /* draw playfield */ tilemap_draw(bitmap, cliprect, bg_tilemap, 0, 0); /* draw sprites */ for (i = 0; i < 2; i++) { drawgfx(bitmap, screen->machine->gfx[1], mgolf_video_ram[0x399 + 4 * i], i, 0, 0, mgolf_video_ram[0x390 + 2 * i] - 7, mgolf_video_ram[0x398 + 4 * i] - 16, cliprect, TRANSPARENCY_PEN, 0); drawgfx(bitmap, screen->machine->gfx[1], mgolf_video_ram[0x39b + 4 * i], i, 0, 0, mgolf_video_ram[0x390 + 2 * i] - 15, mgolf_video_ram[0x39a + 4 * i] - 16, cliprect, TRANSPARENCY_PEN, 0); } return 0; } static void update_plunger(running_machine *machine) { UINT8 val = input_port_read(machine, "BUTTON"); if (prev != val) { if (val == 0) { time_released = timer_get_time(); if (!mask) cpunum_set_input_line(machine, 0, INPUT_LINE_NMI, PULSE_LINE); } else time_pushed = timer_get_time(); prev = val; } } static TIMER_CALLBACK( interrupt_callback ) { int scanline = param; update_plunger(machine); cpunum_set_input_line(machine, 0, 0, PULSE_LINE); scanline = scanline + 32; if (scanline >= 262) scanline = 16; timer_set(video_screen_get_time_until_pos(machine->primary_screen, scanline, 0), NULL, scanline, interrupt_callback); } static double calc_plunger_pos(void) { return (attotime_to_double(timer_get_time()) - attotime_to_double(time_released)) * (attotime_to_double(time_released) - attotime_to_double(time_pushed) + 0.2); } static MACHINE_RESET( mgolf ) { timer_set(video_screen_get_time_until_pos(machine->primary_screen, 16, 0), NULL, 16, interrupt_callback); } static PALETTE_INIT( mgolf ) { 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)); } static READ8_HANDLER( mgolf_wram_r ) { return mgolf_video_ram[0x380 + offset]; } static READ8_HANDLER( mgolf_dial_r ) { UINT8 val = input_port_read(machine, "41"); if ((input_port_read(machine, "DIAL") + 0x00) & 0x20) { val |= 0x01; } if ((input_port_read(machine, "DIAL") + 0x10) & 0x20) { val |= 0x02; } return val; } static READ8_HANDLER( mgolf_misc_r ) { double plunger = calc_plunger_pos(); /* see Video Pinball */ UINT8 val = input_port_read(machine, "61"); if (plunger >= 0.000 && plunger <= 0.001) { val &= ~0x20; /* PLUNGER1 */ } if (plunger >= 0.006 && plunger <= 0.007) { val &= ~0x40; /* PLUNGER2 */ } return val; } static WRITE8_HANDLER( mgolf_wram_w ) { mgolf_video_ram[0x380 + offset] = data; } static ADDRESS_MAP_START( cpu_map, ADDRESS_SPACE_PROGRAM, 8 ) ADDRESS_MAP_GLOBAL_MASK(0x3fff) AM_RANGE(0x0040, 0x0040) AM_READ_PORT("40") AM_RANGE(0x0041, 0x0041) AM_READ(mgolf_dial_r) AM_RANGE(0x0060, 0x0060) AM_READ_PORT("60") AM_RANGE(0x0061, 0x0061) AM_READ(mgolf_misc_r) AM_RANGE(0x0080, 0x00ff) AM_READ(mgolf_wram_r) AM_RANGE(0x0180, 0x01ff) AM_READ(mgolf_wram_r) AM_RANGE(0x0800, 0x0bff) AM_READ(SMH_RAM) AM_RANGE(0x0000, 0x0009) AM_WRITE(SMH_NOP) AM_RANGE(0x0024, 0x0024) AM_WRITE(SMH_NOP) AM_RANGE(0x0028, 0x0028) AM_WRITE(SMH_NOP) AM_RANGE(0x0042, 0x0042) AM_WRITE(SMH_NOP) AM_RANGE(0x0044, 0x0044) AM_WRITE(SMH_NOP) /* watchdog? */ AM_RANGE(0x0046, 0x0046) AM_WRITE(SMH_NOP) AM_RANGE(0x0060, 0x0060) AM_WRITE(SMH_NOP) AM_RANGE(0x0061, 0x0061) AM_WRITE(SMH_NOP) AM_RANGE(0x006a, 0x006a) AM_WRITE(SMH_NOP) AM_RANGE(0x006c, 0x006c) AM_WRITE(SMH_NOP) AM_RANGE(0x006d, 0x006d) AM_WRITE(SMH_NOP) AM_RANGE(0x0080, 0x00ff) AM_WRITE(mgolf_wram_w) AM_RANGE(0x0180, 0x01ff) AM_WRITE(mgolf_wram_w) AM_RANGE(0x0800, 0x0bff) AM_WRITE(mgolf_vram_w) AM_BASE(&mgolf_video_ram) AM_RANGE(0x2000, 0x3fff) AM_ROM ADDRESS_MAP_END static INPUT_PORTS_START( mgolf ) PORT_START("40") /* 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") /* 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_VBLANK ) PORT_START("60") /* 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") /* 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 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 static MACHINE_DRIVER_START( mgolf ) /* basic machine hardware */ MDRV_CPU_ADD("main", M6502, 12096000 / 16) /* ? */ MDRV_CPU_PROGRAM_MAP(cpu_map, 0) MDRV_MACHINE_RESET(mgolf) /* video hardware */ MDRV_SCREEN_ADD("main", RASTER) MDRV_SCREEN_REFRESH_RATE(60) MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) MDRV_SCREEN_SIZE(256, 262) MDRV_SCREEN_VISIBLE_AREA(0, 255, 0, 223) MDRV_GFXDECODE(mgolf) MDRV_PALETTE_LENGTH(4) MDRV_PALETTE_INIT(mgolf) MDRV_VIDEO_START(mgolf) MDRV_VIDEO_UPDATE(mgolf) /* sound hardware */ MACHINE_DRIVER_END ROM_START( mgolf ) ROM_REGION( 0x10000, "main", 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", ROMREGION_DISPOSE ) /* 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", ROMREGION_DISPOSE ) /* 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", ROMREGION_DISPOSE ) ROM_LOAD( "33756-01.m7", 0x0000, 0x0200, CRC(4cec9bf3) SHA1(6dd49f045fb53ae9f412639117b107faa93dfd99) ) ROM_END GAME( 1978, mgolf, 0, mgolf, mgolf, 0, ROT270, "Atari", "Atari Mini Golf (prototype)", GAME_NO_SOUND )