/***************************************************************************
Atari Mini Golf (prototype) driver
***************************************************************************/
#include "emu.h"
#include "cpu/m6502/m6502.h"
class mgolf_state : public driver_device
{
public:
mgolf_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_video_ram(*this, "video_ram"){ }
/* memory pointers */
required_shared_ptr<UINT8> 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;
/* devices */
cpu_device *m_maincpu;
DECLARE_WRITE8_MEMBER(mgolf_vram_w);
DECLARE_READ8_MEMBER(mgolf_wram_r);
DECLARE_READ8_MEMBER(mgolf_dial_r);
DECLARE_READ8_MEMBER(mgolf_misc_r);
DECLARE_WRITE8_MEMBER(mgolf_wram_w);
TILE_GET_INFO_MEMBER(get_tile_info);
virtual void machine_start();
virtual void machine_reset();
virtual void video_start();
virtual void palette_init();
UINT32 screen_update_mgolf(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_CALLBACK_MEMBER(interrupt_callback);
};
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::mgolf_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(tilemap_get_info_delegate(FUNC(mgolf_state::get_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 32, 32);
}
UINT32 mgolf_state::screen_update_mgolf(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
int i;
/* draw playfield */
m_bg_tilemap->draw(bitmap, cliprect, 0, 0);
/* draw sprites */
for (i = 0; i < 2; i++)
{
drawgfx_transpen(bitmap, cliprect, machine().gfx[1],
m_video_ram[0x399 + 4 * i],
i,
0, 0,
m_video_ram[0x390 + 2 * i] - 7,
m_video_ram[0x398 + 4 * i] - 16, 0);
drawgfx_transpen(bitmap, cliprect, machine().gfx[1],
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;
}
static void update_plunger( running_machine &machine )
{
mgolf_state *state = machine.driver_data<mgolf_state>();
UINT8 val = state->ioport("BUTTON")->read();
if (state->m_prev != val)
{
if (val == 0)
{
state->m_time_released = machine.time();
if (!state->m_mask)
state->m_maincpu->set_input_line(INPUT_LINE_NMI, PULSE_LINE);
}
else
state->m_time_pushed = machine.time();
state->m_prev = val;
}
}
TIMER_CALLBACK_MEMBER(mgolf_state::interrupt_callback)
{
int scanline = param;
update_plunger(machine());
generic_pulse_irq_line(*m_maincpu, 0, 1);
scanline = scanline + 32;
if (scanline >= 262)
scanline = 16;
machine().scheduler().timer_set(machine().primary_screen->time_until_pos(scanline), timer_expired_delegate(FUNC(mgolf_state::interrupt_callback),this), scanline);
}
static double calc_plunger_pos(running_machine &machine)
{
mgolf_state *state = machine.driver_data<mgolf_state>();
return (machine.time().as_double() - state->m_time_released.as_double()) * (state->m_time_released.as_double() - state->m_time_pushed.as_double() + 0.2);
}
READ8_MEMBER(mgolf_state::mgolf_wram_r)
{
return m_video_ram[0x380 + offset];
}
READ8_MEMBER(mgolf_state::mgolf_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::mgolf_misc_r)
{
double plunger = calc_plunger_pos(machine()); /* 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::mgolf_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(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_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(mgolf_wram_w)
AM_RANGE(0x0180, 0x01ff) AM_WRITE(mgolf_wram_w)
AM_RANGE(0x0800, 0x0bff) AM_WRITE(mgolf_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
void mgolf_state::palette_init()
{
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 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_maincpu = machine().device<cpu_device>("maincpu");
save_item(NAME(m_prev));
save_item(NAME(m_mask));
}
void mgolf_state::machine_reset()
{
machine().scheduler().timer_set(machine().primary_screen->time_until_pos(16), timer_expired_delegate(FUNC(mgolf_state::interrupt_callback),this), 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_mgolf)
MCFG_GFXDECODE(mgolf)
MCFG_PALETTE_LENGTH(4)
/* 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)", GAME_NO_SOUND )