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// license:BSD-3-Clause
// copyright-holders:Zsolt Vasvari
/***************************************************************************
Allied Leisure Clay Shoot hardware
driver by Zsolt Vasvari
Games supported:
* Clay Shoot
Known issues:
* no sound
* cocktail mode, dipswitch or alternate romset?
(cocktail set has a color overlay, upright set has a backdrop)
****************************************************************************/
#include "emu.h"
#include "cpu/z80/z80.h"
#include "machine/i8255.h"
#include "machine/watchdog.h"
#include "screen.h"
class clayshoo_state : public driver_device
{
public:
clayshoo_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_videoram(*this, "videoram"),
m_maincpu(*this, "maincpu")
{ }
void clayshoo(machine_config &config);
protected:
DECLARE_WRITE8_MEMBER(analog_reset_w);
DECLARE_READ8_MEMBER(analog_r);
DECLARE_WRITE8_MEMBER(input_port_select_w);
DECLARE_READ8_MEMBER(input_port_r);
uint32_t screen_update_clayshoo(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
TIMER_CALLBACK_MEMBER(reset_analog_bit);
uint8_t difficulty_input_port_r(int bit);
void create_analog_timers();
virtual void machine_start() override;
virtual void machine_reset() override;
void main_io_map(address_map &map);
void main_map(address_map &map);
private:
/* memory pointers */
required_shared_ptr<uint8_t> m_videoram;
/* misc */
emu_timer *m_analog_timer_1, *m_analog_timer_2;
uint8_t m_input_port_select;
uint8_t m_analog_port_val;
required_device<cpu_device> m_maincpu;
};
/*************************************
*
* Digital control handling functions
*
*************************************/
WRITE8_MEMBER(clayshoo_state::input_port_select_w)
{
m_input_port_select = data;
}
uint8_t clayshoo_state::difficulty_input_port_r( int bit )
{
uint8_t ret = 0;
/* read fake port and remap the buttons to 2 bits */
uint8_t raw = ioport("FAKE")->read();
if (raw & (1 << (bit + 1)))
ret = 0x03; /* expert */
else if (raw & (1 << (bit + 2)))
ret = 0x01; /* pro */
else
ret = 0x00; /* amateur otherwise */
return ret;
}
READ8_MEMBER(clayshoo_state::input_port_r)
{
uint8_t ret = 0;
switch (m_input_port_select)
{
case 0x01: ret = ioport("IN0")->read(); break;
case 0x02: ret = ioport("IN1")->read(); break;
case 0x04: ret = (ioport("IN2")->read() & 0xf0) | difficulty_input_port_r(0) |
(difficulty_input_port_r(3) << 2); break;
case 0x08: ret = ioport("IN3")->read(); break;
case 0x10:
case 0x20: break; /* these two are not really used */
default: logerror("Unexpected port read: %02X\n", m_input_port_select);
}
return ret;
}
/*************************************
*
* Analog control handling functions
*
*************************************/
TIMER_CALLBACK_MEMBER(clayshoo_state::reset_analog_bit)
{
m_analog_port_val &= ~param;
}
static attotime compute_duration( device_t *device, int analog_pos )
{
/* the 58 comes from the length of the loop used to
read the analog position */
return downcast<cpu_device *>(device)->cycles_to_attotime(58 * analog_pos);
}
WRITE8_MEMBER(clayshoo_state::analog_reset_w)
{
/* reset the analog value, and start the two times that will fire
off in a short period proportional to the position of the
analog control and set the appropriate bit. */
m_analog_port_val = 0xff;
m_analog_timer_1->adjust(compute_duration(m_maincpu.target(), ioport("AN1")->read()), 0x02);
m_analog_timer_2->adjust(compute_duration(m_maincpu.target(), ioport("AN2")->read()), 0x01);
}
READ8_MEMBER(clayshoo_state::analog_r)
{
return m_analog_port_val;
}
void clayshoo_state::create_analog_timers( )
{
m_analog_timer_1 = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(clayshoo_state::reset_analog_bit),this));
m_analog_timer_2 = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(clayshoo_state::reset_analog_bit),this));
}
/*************************************
*
* Machine setup
*
*************************************/
void clayshoo_state::machine_start()
{
create_analog_timers();
/* register for state saving */
save_item(NAME(m_input_port_select));
save_item(NAME(m_analog_port_val));
}
/*************************************
*
* Video hardware
*
*************************************/
uint32_t clayshoo_state::screen_update_clayshoo(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
offs_t offs;
for (offs = 0; offs < m_videoram.bytes(); offs++)
{
int i;
uint8_t x = offs << 3;
uint8_t y = ~(offs >> 5);
uint8_t data = m_videoram[offs];
for (i = 0; i < 8; i++)
{
pen_t pen = (data & 0x80) ? rgb_t::white() : rgb_t::black();
bitmap.pix32(y, x) = pen;
data = data << 1;
x = x + 1;
}
}
return 0;
}
/*************************************
*
* Memory handlers
*
*************************************/
void clayshoo_state::main_map(address_map &map)
{
map(0x0000, 0x1fff).rom();
map(0x2000, 0x23ff).ram();
map(0x4000, 0x47ff).rom();
map(0x8000, 0x97ff).ram().share("videoram"); /* 6k of video ram according to readme */
map(0x9800, 0xa800).nopw(); /* not really mapped, but cleared */
map(0xc800, 0xc800).rw(FUNC(clayshoo_state::analog_r), FUNC(clayshoo_state::analog_reset_w));
}
/*************************************
*
* Port handlers
*
*************************************/
void clayshoo_state::main_io_map(address_map &map)
{
map.global_mask(0xff);
map(0x00, 0x00).w("watchdog", FUNC(watchdog_timer_device::reset_w));
map(0x20, 0x23).rw("ppi8255_0", FUNC(i8255_device::read), FUNC(i8255_device::write));
map(0x30, 0x33).rw("ppi8255_1", FUNC(i8255_device::read), FUNC(i8255_device::write));
// map(0x40, 0x43).noprw(); // 8253 for sound?
// map(0x50, 0x50).noprw(); // ?
// map(0x60, 0x60).noprw(); // ?
}
/*************************************
*
* Port definitions
*
*************************************/
static INPUT_PORTS_START( clayshoo )
PORT_START("IN0")
PORT_DIPNAME( 0x03, 0x00, DEF_STR( Coinage ) )
PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x02, DEF_STR( 2C_3C ) )
PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x03, DEF_STR( Free_Play ) )
PORT_BIT( 0x3c, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* doesn't appear to be used */
PORT_DIPNAME( 0x40, 0x40, DEF_STR( Demo_Sounds ) ) /* not 100% positive */
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x40, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) /* used */
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x80, DEF_STR( On ) )
PORT_START("IN1")
PORT_DIPNAME( 0x07, 0x01, "Time/Bonus 1P-2P" )
PORT_DIPSETTING( 0x00, "60/6k-90/6k" )
PORT_DIPSETTING( 0x01, "60/6k-120/8k" )
PORT_DIPSETTING( 0x02, "90/9.5k-150/9.5k" )
PORT_DIPSETTING( 0x03, "90/9.5k-190/11k" )
PORT_DIPSETTING( 0x04, "60/8k-90/8k" )
PORT_DIPSETTING( 0x05, "60/8k-120/10k" )
PORT_DIPSETTING( 0x06, "90/11.5k-150/11.5k" )
PORT_DIPSETTING( 0x07, "90/11.5k-190/13k" )
PORT_BIT( 0xf8, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* doesn't appear to be used */
PORT_START("IN2")
PORT_BIT( 0x03, IP_ACTIVE_LOW, IPT_CUSTOM ) /* amateur/expert/pro Player 2 */
PORT_BIT( 0x0c, IP_ACTIVE_LOW, IPT_CUSTOM ) /* amateur/expert/pro Player 1 */
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_START2 )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
PORT_START("IN3")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_BIT( 0xfe, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_START("AN1") /* IN4 - Fake analog control. Visible in $c800 bit 1 */
PORT_BIT( 0x0f, 0x08, IPT_AD_STICK_Y ) PORT_MINMAX(0,0x0f) PORT_SENSITIVITY(10) PORT_KEYDELTA(10) PORT_REVERSE PORT_PLAYER(1)
PORT_BIT( 0xf0, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("AN2") /* IN5 - Fake analog control. Visible in $c800 bit 0 */
PORT_BIT( 0x0f, 0x08, IPT_AD_STICK_Y ) PORT_MINMAX(0,0x0f) PORT_SENSITIVITY(10) PORT_KEYDELTA(10) PORT_REVERSE PORT_PLAYER(2)
PORT_BIT( 0xf0, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("FAKE") /* IN6 - Fake. Visible in IN2 bits 0-1 and 2-3 */
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_TOGGLE PORT_PLAYER(2) PORT_NAME("P2 Amateur Difficulty")
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_TOGGLE PORT_PLAYER(2) PORT_NAME("P2 Expert Difficulty")
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON4 ) PORT_TOGGLE PORT_PLAYER(2) PORT_NAME("P2 Pro Difficulty")
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_TOGGLE PORT_PLAYER(1) PORT_NAME("P1 Amateur Difficulty")
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_TOGGLE PORT_PLAYER(1) PORT_NAME("P1 Expert Difficulty")
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON4 ) PORT_TOGGLE PORT_PLAYER(1) PORT_NAME("P2 Pro Difficulty")
PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END
/*************************************
*
* Machine driver
*
*************************************/
void clayshoo_state::machine_reset()
{
m_input_port_select = 0;
m_analog_port_val = 0;
}
void clayshoo_state::clayshoo(machine_config &config)
{
/* basic machine hardware */
Z80(config, m_maincpu, 5068000/4); /* 5.068/4 Mhz (divider is a guess) */
m_maincpu->set_addrmap(AS_PROGRAM, &clayshoo_state::main_map);
m_maincpu->set_addrmap(AS_IO, &clayshoo_state::main_io_map);
m_maincpu->set_vblank_int("screen", FUNC(clayshoo_state::irq0_line_hold));
WATCHDOG_TIMER(config, "watchdog");
/* video hardware */
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
screen.set_size(256, 256);
screen.set_visarea(0, 255, 64, 255);
screen.set_refresh_hz(60);
screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500) /* not accurate */);
screen.set_screen_update(FUNC(clayshoo_state::screen_update_clayshoo));
I8255A(config, "ppi8255_0");
i8255_device &ppi1(I8255A(config, "ppi8255_1"));
ppi1.out_pa_callback().set(FUNC(clayshoo_state::input_port_select_w));
ppi1.in_pb_callback().set(FUNC(clayshoo_state::input_port_r));
}
/*************************************
*
* ROM definitions
*
*************************************/
ROM_START( clayshoo )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD( "0", 0x0000, 0x0800, CRC(9df9d9e3) SHA1(8ce71a6faf5df9c8c3dbb92a443b62c0f376491c) )
ROM_LOAD( "1", 0x0800, 0x0800, CRC(5134a631) SHA1(f0764a5161934564fd0416be26087cf812e0c422) )
ROM_LOAD( "2", 0x1000, 0x0800, CRC(5b5a67f6) SHA1(c97b4d44e6dc5dd0c42e04ffceed8934975fe769) )
ROM_LOAD( "3", 0x1800, 0x0800, CRC(7eda8e44) SHA1(2974f8b06653aee2ffd96ff402707acfc059bc91) )
ROM_LOAD( "4", 0x4000, 0x0800, CRC(3da16196) SHA1(eb0c0cf0c8fc3db05ac0c469fb20fe92ae6f27ce) )
ROM_END
/*************************************
*
* Game drivers
*
*************************************/
GAME( 1979, clayshoo, 0, clayshoo, clayshoo, clayshoo_state, empty_init, ROT0, "Allied Leisure", "Clay Shoot", MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE )
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