// license:BSD-3-Clause
// copyright-holders:Stefan Jokisch
/***************************************************************************
Atari Flyball Driver
Etched in copper on top of board:
FLYBALL
ATARI (c)1976
A005629
MADE IN USA
PAT NO 3793483
TODO:
- discrete sound
- accurate video timing
***************************************************************************/
#include "emu.h"
#include "cpu/m6502/m6502.h"
#define MASTER_CLOCK XTAL_12_096MHz
#define PIXEL_CLOCK (MASTER_CLOCK / 2)
class flyball_state : public driver_device
{
public:
enum
{
TIMER_POT_ASSERT,
TIMER_POT_CLEAR,
TIMER_QUARTER
};
flyball_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_playfield_ram(*this, "playfield_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_playfield_ram;
/* video-related */
tilemap_t *m_tmap;
UINT8 m_pitcher_vert;
UINT8 m_pitcher_horz;
UINT8 m_pitcher_pic;
UINT8 m_ball_vert;
UINT8 m_ball_horz;
/* misc */
UINT8 m_potmask;
UINT8 m_potsense;
emu_timer *m_pot_clear_timer;
emu_timer *m_quarter_timer;
DECLARE_READ8_MEMBER(input_r);
DECLARE_READ8_MEMBER(scanline_r);
DECLARE_READ8_MEMBER(potsense_r);
DECLARE_WRITE8_MEMBER(potmask_w);
DECLARE_WRITE8_MEMBER(pitcher_pic_w);
DECLARE_WRITE8_MEMBER(ball_vert_w);
DECLARE_WRITE8_MEMBER(ball_horz_w);
DECLARE_WRITE8_MEMBER(pitcher_vert_w);
DECLARE_WRITE8_MEMBER(pitcher_horz_w);
DECLARE_WRITE8_MEMBER(misc_w);
TILEMAP_MAPPER_MEMBER(get_memory_offset);
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(flyball);
UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_CALLBACK_MEMBER(joystick_callback);
TIMER_CALLBACK_MEMBER(quarter_callback);
protected:
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
};
/*************************************
*
* Video emulation
*
*************************************/
TILEMAP_MAPPER_MEMBER(flyball_state::get_memory_offset)
{
if (col == 0)
col = num_cols;
return num_cols * (num_rows - row) - col;
}
TILE_GET_INFO_MEMBER(flyball_state::get_tile_info)
{
UINT8 data = m_playfield_ram[tile_index];
int flags = ((data & 0x40) ? TILE_FLIPX : 0) | ((data & 0x80) ? TILE_FLIPY : 0);
int code = data & 63;
if ((flags & TILE_FLIPX) && (flags & TILE_FLIPY))
code += 64;
SET_TILE_INFO_MEMBER(0, code, 0, flags);
}
void flyball_state::video_start()
{
m_tmap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(flyball_state::get_tile_info),this), tilemap_mapper_delegate(FUNC(flyball_state::get_memory_offset),this), 8, 16, 32, 16);
}
UINT32 flyball_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
int pitcherx = m_pitcher_horz;
int pitchery = m_pitcher_vert - 31;
int ballx = m_ball_horz - 1;
int bally = m_ball_vert - 17;
m_tmap->mark_all_dirty();
/* draw playfield */
m_tmap->draw(screen, bitmap, cliprect, 0, 0);
/* draw pitcher */
m_gfxdecode->gfx(1)->transpen(bitmap,cliprect, m_pitcher_pic ^ 0xf, 0, 1, 0, pitcherx, pitchery, 1);
/* draw ball */
for (int y = bally; y < bally + 2; y++)
for (int x = ballx; x < ballx + 2; x++)
if (cliprect.contains(x, y))
bitmap.pix16(y, x) = 1;
return 0;
}
void flyball_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
{
switch (id)
{
case TIMER_POT_ASSERT:
joystick_callback(ptr, param);
break;
case TIMER_POT_CLEAR:
m_maincpu->set_input_line(0, CLEAR_LINE);
break;
case TIMER_QUARTER:
quarter_callback(ptr, param);
break;
default:
assert_always(FALSE, "Unknown id in flyball_state::device_timer");
}
}
TIMER_CALLBACK_MEMBER(flyball_state::joystick_callback)
{
int potsense = param;
if (potsense & ~m_potmask)
{
// pot irq is active at hsync
m_maincpu->set_input_line(0, ASSERT_LINE);
m_pot_clear_timer->adjust(attotime::from_ticks(32, PIXEL_CLOCK), 0);
}
m_potsense |= potsense;
}
TIMER_CALLBACK_MEMBER(flyball_state::quarter_callback)
{
int scanline = param;
int potsense[64], i;
memset(potsense, 0, sizeof potsense);
potsense[ioport("STICK1_Y")->read()] |= 1;
potsense[ioport("STICK1_X")->read()] |= 2;
potsense[ioport("STICK0_Y")->read()] |= 4;
potsense[ioport("STICK0_X")->read()] |= 8;
for (i = 0; i < 64; i++)
if (potsense[i] != 0)
timer_set(m_screen->time_until_pos(scanline + i), TIMER_POT_ASSERT, potsense[i]);
scanline += 0x40;
scanline &= 0xff;
m_quarter_timer->adjust(m_screen->time_until_pos(scanline), scanline);
m_potsense = 0;
m_potmask = 0;
}
/*************************************
*
* Memory handlers
*
*************************************/
/* two physical buttons (start game and stop runner) share the same port bit */
READ8_MEMBER(flyball_state::input_r)
{
return ioport("IN0")->read() & ioport("IN1")->read();
}
READ8_MEMBER(flyball_state::scanline_r)
{
return m_screen->vpos() & 0x3f;
}
READ8_MEMBER(flyball_state::potsense_r)
{
return m_potsense & ~m_potmask;
}
WRITE8_MEMBER(flyball_state::potmask_w)
{
m_potmask |= data & 0xf;
}
WRITE8_MEMBER(flyball_state::pitcher_pic_w)
{
m_pitcher_pic = data & 0xf;
}
WRITE8_MEMBER(flyball_state::ball_vert_w)
{
m_ball_vert = data;
}
WRITE8_MEMBER(flyball_state::ball_horz_w)
{
m_ball_horz = data;
}
WRITE8_MEMBER(flyball_state::pitcher_vert_w)
{
m_pitcher_vert = data;
}
WRITE8_MEMBER(flyball_state::pitcher_horz_w)
{
m_pitcher_horz = data;
}
WRITE8_MEMBER(flyball_state::misc_w)
{
int bit = ~data & 1;
switch (offset)
{
case 0:
output().set_led_value(0, bit);
break;
case 1:
/* crowd very loud */
break;
case 2:
/* footstep off-on */
break;
case 3:
/* crowd off-on */
break;
case 4:
/* crowd soft-loud */
break;
case 5:
/* bat hit */
break;
}
}
/*************************************
*
* Address maps
*
*************************************/
static ADDRESS_MAP_START( flyball_map, AS_PROGRAM, 8, flyball_state )
ADDRESS_MAP_GLOBAL_MASK(0x1fff)
AM_RANGE(0x0000, 0x00ff) AM_MIRROR(0x100) AM_RAM
AM_RANGE(0x0800, 0x0800) AM_NOP
AM_RANGE(0x0801, 0x0801) AM_WRITE(pitcher_pic_w)
AM_RANGE(0x0802, 0x0802) AM_READ(scanline_r)
AM_RANGE(0x0803, 0x0803) AM_READ(potsense_r)
AM_RANGE(0x0804, 0x0804) AM_WRITE(ball_vert_w)
AM_RANGE(0x0805, 0x0805) AM_WRITE(ball_horz_w)
AM_RANGE(0x0806, 0x0806) AM_WRITE(pitcher_vert_w)
AM_RANGE(0x0807, 0x0807) AM_WRITE(pitcher_horz_w)
AM_RANGE(0x0900, 0x0900) AM_WRITE(potmask_w)
AM_RANGE(0x0a00, 0x0a07) AM_WRITE(misc_w)
AM_RANGE(0x0b00, 0x0b00) AM_READ(input_r)
AM_RANGE(0x0d00, 0x0eff) AM_WRITEONLY AM_SHARE("playfield_ram")
AM_RANGE(0x1000, 0x1fff) AM_ROM AM_REGION("maincpu", 0)
ADDRESS_MAP_END
/*************************************
*
* Input ports
*
*************************************/
static INPUT_PORTS_START( flyball )
PORT_START("IN0") /* IN0 */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START2 )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_SERVICE( 0x08, IP_ACTIVE_LOW ) PORT_DIPLOCATION("DSW1:6")
PORT_DIPNAME( 0x30, 0x00, DEF_STR( Coinage ) ) PORT_DIPLOCATION("DSW1:4,5")
PORT_DIPSETTING( 0x20, DEF_STR( 4C_1C ) )
PORT_DIPSETTING( 0x10, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
PORT_DIPNAME( 0x40, 0x40, "Innings Per Game" ) PORT_DIPLOCATION("DSW1:2")
PORT_DIPSETTING( 0x00, "1" )
PORT_DIPSETTING( 0x40, "2" )
PORT_DIPUNUSED_DIPLOC( 0x80, 0x00, "DSW1:1" )
PORT_START("STICK1_Y") /* IN1 */
PORT_BIT( 0x3f, 0x20, IPT_AD_STICK_Y ) PORT_MINMAX(1,63) PORT_SENSITIVITY(50) PORT_KEYDELTA(10) PORT_PLAYER(2)
PORT_START("STICK1_X") /* IN2 */
PORT_BIT( 0x3f, 0x20, IPT_AD_STICK_X ) PORT_MINMAX(1,63) PORT_SENSITIVITY(50) PORT_KEYDELTA(10) PORT_PLAYER(2)
PORT_START("STICK0_Y") /* IN3 */
PORT_BIT( 0x3f, 0x20, IPT_AD_STICK_Y ) PORT_MINMAX(1,63) PORT_SENSITIVITY(50) PORT_KEYDELTA(10) PORT_PLAYER(1)
PORT_START("STICK0_X") /* IN4 */
PORT_BIT( 0x3f, 0x20, IPT_AD_STICK_X ) PORT_MINMAX(1,63) PORT_SENSITIVITY(50) PORT_KEYDELTA(10) PORT_PLAYER(1)
PORT_START("IN1") /* IN5 */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 )
PORT_BIT( 0xFE, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END
/*************************************
*
* Graphics definitions
*
*************************************/
static const gfx_layout flyball_tiles_layout =
{
8, 16, /* width, height */
128, /* total */
1, /* planes */
{ 0 }, /* plane offsets */
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07
},
{
0x00, 0x08, 0x10, 0x18, 0x20, 0x28, 0x30, 0x38,
0x40, 0x48, 0x50, 0x58, 0x60, 0x68, 0x70, 0x78
},
0x80 /* increment */
};
static const gfx_layout flyball_sprites_layout =
{
16, 16, /* width, height */
16, /* total */
1, /* planes */
{ 0 }, /* plane offsets */
{
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x8, 0x9, 0xA, 0xB, 0xC, 0xD, 0xE, 0xF
},
{
0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70,
0x80, 0x90, 0xA0, 0xB0, 0xC0, 0xD0, 0xE0, 0xF0
},
0x100 /* increment */
};
static GFXDECODE_START( flyball )
GFXDECODE_ENTRY( "gfx1", 0, flyball_tiles_layout, 0, 2 )
GFXDECODE_ENTRY( "gfx2", 0, flyball_sprites_layout, 2, 2 )
GFXDECODE_END
PALETTE_INIT_MEMBER(flyball_state, flyball)
{
palette.set_pen_color(0, rgb_t(0x3F, 0x3F, 0x3F)); /* tiles, ball */
palette.set_pen_color(1, rgb_t(0xFF, 0xFF, 0xFF));
palette.set_pen_color(2, rgb_t(0xFF ,0xFF, 0xFF)); /* sprites */
palette.set_pen_color(3, rgb_t(0x00, 0x00, 0x00));
}
/*************************************
*
* Machine driver
*
*************************************/
void flyball_state::machine_start()
{
/* address bits 0 through 8 are inverted */
UINT8 *ROM = memregion("maincpu")->base();
int len = memregion("maincpu")->bytes();
dynamic_buffer buf(len);
for (int i = 0; i < len; i++)
buf[i ^ 0x1ff] = ROM[i];
memcpy(ROM, &buf[0], len);
m_pot_clear_timer = timer_alloc(TIMER_POT_CLEAR);
m_quarter_timer = timer_alloc(TIMER_QUARTER);
save_item(NAME(m_pitcher_vert));
save_item(NAME(m_pitcher_horz));
save_item(NAME(m_pitcher_pic));
save_item(NAME(m_ball_vert));
save_item(NAME(m_ball_horz));
save_item(NAME(m_potmask));
save_item(NAME(m_potsense));
}
void flyball_state::machine_reset()
{
m_quarter_timer->adjust(m_screen->time_until_pos(0));
m_pitcher_vert = 0;
m_pitcher_horz = 0;
m_pitcher_pic = 0;
m_ball_vert = 0;
m_ball_horz = 0;
m_potmask = 0;
m_potsense = 0;
}
static MACHINE_CONFIG_START( flyball, flyball_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", M6502, MASTER_CLOCK/16)
MCFG_CPU_PROGRAM_MAP(flyball_map)
MCFG_CPU_VBLANK_INT_DRIVER("screen", flyball_state, nmi_line_pulse)
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_SIZE(256, 262)
MCFG_SCREEN_VISIBLE_AREA(0, 255, 0, 239)
MCFG_SCREEN_UPDATE_DRIVER(flyball_state, screen_update)
MCFG_SCREEN_PALETTE("palette")
MCFG_GFXDECODE_ADD("gfxdecode", "palette", flyball)
MCFG_PALETTE_ADD("palette", 4)
MCFG_PALETTE_INIT_OWNER(flyball_state, flyball)
/* sound hardware */
MACHINE_CONFIG_END
/*************************************
*
* ROM definition(s)
*
*************************************/
ROM_START( flyball )
ROM_REGION( 0x1000, "maincpu", 0 ) /* program */
ROM_LOAD( "6129-02.d5", 0x0000, 0x0200, CRC(105ffe40) SHA1(20225571ccf76df5d96a42168d9223cccdff90a8) )
ROM_LOAD( "6130-02.f5", 0x0200, 0x0200, CRC(188210e1) SHA1(6d837dd9ea44d16f0d54ea9e14260de5f7c05b6b) )
ROM_LOAD( "6131-01.h5", 0x0400, 0x0200, CRC(a9c7e858) SHA1(aee4a359d6a5729dc1be5b8ce8fbe54d032d12b0) ) /* Roms found with and without the "-01" extension */
ROM_LOAD( "6132-01.j5", 0x0600, 0x0200, CRC(31fefd8a) SHA1(97e3ef278ce2175cd33c0f3147bdf7974752c836) ) /* Roms found with and without the "-01" extension */
ROM_LOAD( "6133-01.k5", 0x0800, 0x0200, CRC(6fdb09b1) SHA1(04ad412b437bb24739b3e31fa5a413e63d5897f8) ) /* Roms found with and without the "-01" extension */
ROM_LOAD( "6134-01.m5", 0x0A00, 0x0200, CRC(7b526c73) SHA1(e47c8f33b7edc143ab1713556c59b93571933daa) ) /* Roms found with and without the "-01" extension */
ROM_LOAD( "6135-01.n5", 0x0C00, 0x0200, CRC(b352cb51) SHA1(39b9062fb51d0a78a47dcd470ceae47fcdbd7891) ) /* Roms found with and without the "-01" extension */
ROM_LOAD( "6136-02.r5", 0x0E00, 0x0200, CRC(ae06a0f5) SHA1(6034176b255eeaa2980e8fef1b17ef6f0a743941) )
ROM_REGION( 0x0C00, "gfx1", 0 ) /* tiles */
ROM_LOAD( "6142.l2", 0x0000, 0x0200, CRC(65650cfa) SHA1(7d17455146fc9def22c7bd06f7fde32df0a0c2bc) )
ROM_LOAD( "6139.j2", 0x0200, 0x0200, CRC(a5d1358e) SHA1(33cecbe40ae299549a3395e3dffbe7b6021803ba) )
ROM_LOAD( "6141.m2", 0x0400, 0x0200, CRC(98b5f803) SHA1(c4e323ced2393fa4a9720ff0086c559fb9b3a9f8) )
ROM_LOAD( "6140.k2", 0x0600, 0x0200, CRC(66aeec61) SHA1(f577bad015fe9e3708fd95d5d2bc438997d14d2c) )
ROM_REGION( 0x0400, "gfx2", 0 ) /* sprites */
ROM_LOAD16_BYTE( "6137.e2", 0x0000, 0x0200, CRC(68961fda) SHA1(a06c7b453cce04716f49bd65ecfe1ba67cb8681e) )
ROM_LOAD16_BYTE( "6138.f2", 0x0001, 0x0200, CRC(aab314f6) SHA1(6625c719fdc000d6af94bc9474de8f7e977cee97) )
ROM_END
ROM_START( flyball1 )
ROM_REGION( 0x1000, "maincpu", 0 ) /* program */
ROM_LOAD( "6129.d5", 0x0000, 0x0200, CRC(17eda069) SHA1(e4ef0bf4546cf00668d759a188e0989a4f003825) )
ROM_LOAD( "6130.f5", 0x0200, 0x0200, CRC(a756955b) SHA1(220b7f1789bba4481d595b36b4bae25f98d3ad8d) )
ROM_LOAD( "6131.h5", 0x0400, 0x0200, CRC(a9c7e858) SHA1(aee4a359d6a5729dc1be5b8ce8fbe54d032d12b0) )
ROM_LOAD( "6132.j5", 0x0600, 0x0200, CRC(31fefd8a) SHA1(97e3ef278ce2175cd33c0f3147bdf7974752c836) )
ROM_LOAD( "6133.k5", 0x0800, 0x0200, CRC(6fdb09b1) SHA1(04ad412b437bb24739b3e31fa5a413e63d5897f8) )
ROM_LOAD( "6134.m5", 0x0A00, 0x0200, CRC(7b526c73) SHA1(e47c8f33b7edc143ab1713556c59b93571933daa) )
ROM_LOAD( "6135.n5", 0x0C00, 0x0200, CRC(b352cb51) SHA1(39b9062fb51d0a78a47dcd470ceae47fcdbd7891) )
ROM_LOAD( "6136.r5", 0x0E00, 0x0200, CRC(1622d890) SHA1(9ad342aefdc02e022eb79d84d1c856bed538bebe) )
ROM_REGION( 0x0C00, "gfx1", 0 ) /* tiles */
ROM_LOAD( "6142.l2", 0x0000, 0x0200, CRC(65650cfa) SHA1(7d17455146fc9def22c7bd06f7fde32df0a0c2bc) )
ROM_LOAD( "6139.j2", 0x0200, 0x0200, CRC(a5d1358e) SHA1(33cecbe40ae299549a3395e3dffbe7b6021803ba) )
ROM_LOAD( "6141.m2", 0x0400, 0x0200, CRC(98b5f803) SHA1(c4e323ced2393fa4a9720ff0086c559fb9b3a9f8) )
ROM_LOAD( "6140.k2", 0x0600, 0x0200, CRC(66aeec61) SHA1(f577bad015fe9e3708fd95d5d2bc438997d14d2c) )
ROM_REGION( 0x0400, "gfx2", 0 ) /* sprites */
ROM_LOAD16_BYTE( "6137.e2", 0x0000, 0x0200, CRC(68961fda) SHA1(a06c7b453cce04716f49bd65ecfe1ba67cb8681e) )
ROM_LOAD16_BYTE( "6138.f2", 0x0001, 0x0200, CRC(aab314f6) SHA1(6625c719fdc000d6af94bc9474de8f7e977cee97) )
ROM_END
/*************************************
*
* Game driver(s)
*
*************************************/
GAME( 1976, flyball, 0, flyball, flyball, driver_device, 0, 0, "Atari", "Flyball (rev 2)", MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE )
GAME( 1976, flyball1, flyball, flyball, flyball, driver_device, 0, 0, "Atari", "Flyball (rev 1)", MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE )