mirror of
https://github.com/holub/mame
synced 2025-10-08 01:28:00 +03:00
460 lines
14 KiB
C++
460 lines
14 KiB
C++
// license:BSD-3-Clause
|
|
// copyright-holders:Aaron Giles
|
|
/***************************************************************************
|
|
|
|
driver.c
|
|
|
|
Core driver device base class.
|
|
|
|
***************************************************************************/
|
|
|
|
#include "emu.h"
|
|
#include "image.h"
|
|
#include "drivenum.h"
|
|
|
|
|
|
//**************************************************************************
|
|
// DRIVER DEVICE
|
|
//**************************************************************************
|
|
|
|
//-------------------------------------------------
|
|
// driver_device - constructor
|
|
//-------------------------------------------------
|
|
|
|
driver_device::driver_device(const machine_config &mconfig, device_type type, const char *tag)
|
|
: device_t(mconfig, type, tag, nullptr, 0),
|
|
m_system(nullptr),
|
|
m_flip_screen_x(0),
|
|
m_flip_screen_y(0)
|
|
{
|
|
}
|
|
|
|
|
|
//-------------------------------------------------
|
|
// driver_device - destructor
|
|
//-------------------------------------------------
|
|
|
|
driver_device::~driver_device()
|
|
{
|
|
}
|
|
|
|
|
|
//-------------------------------------------------
|
|
// set_game_driver - set the game in the device
|
|
// configuration
|
|
//-------------------------------------------------
|
|
|
|
void driver_device::set_game_driver(const game_driver &game)
|
|
{
|
|
assert(!m_system);
|
|
|
|
// set the system
|
|
m_system = &game;
|
|
|
|
// and set the search path to include all parents
|
|
m_searchpath = game.name;
|
|
for (int parent = driver_list::clone(game); parent != -1; parent = driver_list::clone(parent))
|
|
m_searchpath.append(";").append(driver_list::driver(parent).name);
|
|
}
|
|
|
|
|
|
//-------------------------------------------------
|
|
// static_set_callback - set the a callback in
|
|
// the device configuration
|
|
//-------------------------------------------------
|
|
|
|
void driver_device::static_set_callback(device_t &device, callback_type type, driver_callback_delegate callback)
|
|
{
|
|
downcast<driver_device &>(device).m_callbacks[type] = callback;
|
|
}
|
|
|
|
|
|
//-------------------------------------------------
|
|
// driver_start - default implementation which
|
|
// does nothing
|
|
//-------------------------------------------------
|
|
|
|
void driver_device::driver_start()
|
|
{
|
|
}
|
|
|
|
|
|
//-------------------------------------------------
|
|
// machine_start - default implementation which
|
|
// calls to the legacy machine_start function
|
|
//-------------------------------------------------
|
|
|
|
void driver_device::machine_start()
|
|
{
|
|
}
|
|
|
|
|
|
//-------------------------------------------------
|
|
// sound_start - default implementation which
|
|
// calls to the legacy sound_start function
|
|
//-------------------------------------------------
|
|
|
|
void driver_device::sound_start()
|
|
{
|
|
}
|
|
|
|
|
|
//-------------------------------------------------
|
|
// video_start - default implementation which
|
|
// calls to the legacy video_start function
|
|
//-------------------------------------------------
|
|
|
|
void driver_device::video_start()
|
|
{
|
|
}
|
|
|
|
|
|
//-------------------------------------------------
|
|
// driver_reset - default implementation which
|
|
// does nothing
|
|
//-------------------------------------------------
|
|
|
|
void driver_device::driver_reset()
|
|
{
|
|
}
|
|
|
|
|
|
//-------------------------------------------------
|
|
// machine_reset - default implementation which
|
|
// calls to the legacy machine_reset function
|
|
//-------------------------------------------------
|
|
|
|
void driver_device::machine_reset()
|
|
{
|
|
}
|
|
|
|
|
|
//-------------------------------------------------
|
|
// sound_reset - default implementation which
|
|
// calls to the legacy sound_reset function
|
|
//-------------------------------------------------
|
|
|
|
void driver_device::sound_reset()
|
|
{
|
|
}
|
|
|
|
|
|
//-------------------------------------------------
|
|
// video_reset - default implementation which
|
|
// calls to the legacy video_reset function
|
|
//-------------------------------------------------
|
|
|
|
void driver_device::video_reset()
|
|
{
|
|
}
|
|
|
|
|
|
//-------------------------------------------------
|
|
// device_rom_region - return a pointer to the
|
|
// game's ROMs
|
|
//-------------------------------------------------
|
|
|
|
const tiny_rom_entry *driver_device::device_rom_region() const
|
|
{
|
|
assert(m_system);
|
|
return m_system->rom;
|
|
}
|
|
|
|
|
|
//-------------------------------------------------
|
|
// device_add_mconfig - add machine configuration
|
|
//-------------------------------------------------
|
|
|
|
void driver_device::device_add_mconfig(machine_config &config)
|
|
{
|
|
assert(m_system);
|
|
m_system->machine_config(config, this, nullptr);
|
|
}
|
|
|
|
|
|
//-------------------------------------------------
|
|
// device_input_ports - return a pointer to the
|
|
// game's input ports
|
|
//-------------------------------------------------
|
|
|
|
ioport_constructor driver_device::device_input_ports() const
|
|
{
|
|
return m_system->ipt;
|
|
}
|
|
|
|
|
|
//-------------------------------------------------
|
|
// device_start - device override which calls
|
|
// the various helpers
|
|
//-------------------------------------------------
|
|
|
|
void driver_device::device_start()
|
|
{
|
|
// reschedule ourselves to be last
|
|
for (device_t &test : device_iterator(*this))
|
|
if (&test != this && !test.started())
|
|
throw device_missing_dependencies();
|
|
|
|
// call the game-specific init
|
|
m_system->driver_init(machine());
|
|
|
|
// finish image devices init process
|
|
machine().image().postdevice_init();
|
|
|
|
// start the various pieces
|
|
driver_start();
|
|
|
|
if (!m_callbacks[CB_MACHINE_START].isnull())
|
|
m_callbacks[CB_MACHINE_START]();
|
|
else
|
|
machine_start();
|
|
|
|
if (!m_callbacks[CB_SOUND_START].isnull())
|
|
m_callbacks[CB_SOUND_START]();
|
|
else
|
|
sound_start();
|
|
|
|
if (!m_callbacks[CB_VIDEO_START].isnull())
|
|
m_callbacks[CB_VIDEO_START]();
|
|
else
|
|
video_start();
|
|
|
|
// save generic states
|
|
save_item(NAME(m_flip_screen_x));
|
|
save_item(NAME(m_flip_screen_y));
|
|
}
|
|
|
|
|
|
//-------------------------------------------------
|
|
// device_reset_after_children - device override
|
|
// which calls the various helpers; must happen
|
|
// after all child devices are reset
|
|
//-------------------------------------------------
|
|
|
|
void driver_device::device_reset_after_children()
|
|
{
|
|
// reset each piece
|
|
driver_reset();
|
|
|
|
if (!m_callbacks[CB_MACHINE_RESET].isnull())
|
|
m_callbacks[CB_MACHINE_RESET]();
|
|
else
|
|
machine_reset();
|
|
|
|
if (!m_callbacks[CB_SOUND_RESET].isnull())
|
|
m_callbacks[CB_SOUND_RESET]();
|
|
else
|
|
sound_reset();
|
|
|
|
if (!m_callbacks[CB_VIDEO_RESET].isnull())
|
|
m_callbacks[CB_VIDEO_RESET]();
|
|
else
|
|
video_reset();
|
|
}
|
|
|
|
|
|
|
|
//**************************************************************************
|
|
// INTERRUPT ENABLE AND VECTOR HELPERS
|
|
//**************************************************************************
|
|
|
|
//-------------------------------------------------
|
|
// irq_pulse_clear - clear a "pulsed" IRQ line
|
|
//-------------------------------------------------
|
|
|
|
void driver_device::irq_pulse_clear(void *ptr, s32 param)
|
|
{
|
|
device_execute_interface *exec = reinterpret_cast<device_execute_interface *>(ptr);
|
|
int irqline = param;
|
|
exec->set_input_line(irqline, CLEAR_LINE);
|
|
}
|
|
|
|
|
|
//-------------------------------------------------
|
|
// generic_pulse_irq_line - "pulse" an IRQ line by
|
|
// asserting it and then clearing it x cycle(s)
|
|
// later
|
|
//-------------------------------------------------
|
|
|
|
void driver_device::generic_pulse_irq_line(device_execute_interface &exec, int irqline, int cycles)
|
|
{
|
|
assert(irqline != INPUT_LINE_NMI && irqline != INPUT_LINE_RESET && cycles > 0);
|
|
exec.set_input_line(irqline, ASSERT_LINE);
|
|
|
|
attotime target_time = exec.local_time() + exec.cycles_to_attotime(cycles * exec.min_cycles());
|
|
machine().scheduler().timer_set(target_time - machine().time(), timer_expired_delegate(FUNC(driver_device::irq_pulse_clear), this), irqline, (void *)&exec);
|
|
}
|
|
|
|
|
|
//-------------------------------------------------
|
|
// generic_pulse_irq_line_and_vector - "pulse" an
|
|
// IRQ line by asserting it and then clearing it
|
|
// x cycle(s) later, specifying a vector
|
|
//-------------------------------------------------
|
|
|
|
void driver_device::generic_pulse_irq_line_and_vector(device_execute_interface &exec, int irqline, int vector, int cycles)
|
|
{
|
|
assert(irqline != INPUT_LINE_NMI && irqline != INPUT_LINE_RESET && cycles > 0);
|
|
exec.set_input_line_and_vector(irqline, ASSERT_LINE, vector);
|
|
|
|
attotime target_time = exec.local_time() + exec.cycles_to_attotime(cycles * exec.min_cycles());
|
|
machine().scheduler().timer_set(target_time - machine().time(), timer_expired_delegate(FUNC(driver_device::irq_pulse_clear), this), irqline, (void *)&exec);
|
|
}
|
|
|
|
|
|
|
|
//**************************************************************************
|
|
// INTERRUPT GENERATION CALLBACK HELPERS
|
|
//**************************************************************************
|
|
|
|
//-------------------------------------------------
|
|
// NMI callbacks
|
|
//-------------------------------------------------
|
|
|
|
INTERRUPT_GEN_MEMBER( driver_device::nmi_line_pulse ) { device.execute().set_input_line(INPUT_LINE_NMI, PULSE_LINE); }
|
|
INTERRUPT_GEN_MEMBER( driver_device::nmi_line_assert ) { device.execute().set_input_line(INPUT_LINE_NMI, ASSERT_LINE); }
|
|
|
|
|
|
//-------------------------------------------------
|
|
// IRQn callbacks
|
|
//-------------------------------------------------
|
|
|
|
INTERRUPT_GEN_MEMBER( driver_device::irq0_line_hold ) { device.execute().set_input_line(0, HOLD_LINE); }
|
|
INTERRUPT_GEN_MEMBER( driver_device::irq0_line_pulse ) { generic_pulse_irq_line(device.execute(), 0, 1); }
|
|
INTERRUPT_GEN_MEMBER( driver_device::irq0_line_assert ) { device.execute().set_input_line(0, ASSERT_LINE); }
|
|
|
|
INTERRUPT_GEN_MEMBER( driver_device::irq1_line_hold ) { device.execute().set_input_line(1, HOLD_LINE); }
|
|
INTERRUPT_GEN_MEMBER( driver_device::irq1_line_pulse ) { generic_pulse_irq_line(device.execute(), 1, 1); }
|
|
INTERRUPT_GEN_MEMBER( driver_device::irq1_line_assert ) { device.execute().set_input_line(1, ASSERT_LINE); }
|
|
|
|
INTERRUPT_GEN_MEMBER( driver_device::irq2_line_hold ) { device.execute().set_input_line(2, HOLD_LINE); }
|
|
INTERRUPT_GEN_MEMBER( driver_device::irq2_line_pulse ) { generic_pulse_irq_line(device.execute(), 2, 1); }
|
|
INTERRUPT_GEN_MEMBER( driver_device::irq2_line_assert ) { device.execute().set_input_line(2, ASSERT_LINE); }
|
|
|
|
INTERRUPT_GEN_MEMBER( driver_device::irq3_line_hold ) { device.execute().set_input_line(3, HOLD_LINE); }
|
|
INTERRUPT_GEN_MEMBER( driver_device::irq3_line_pulse ) { generic_pulse_irq_line(device.execute(), 3, 1); }
|
|
INTERRUPT_GEN_MEMBER( driver_device::irq3_line_assert ) { device.execute().set_input_line(3, ASSERT_LINE); }
|
|
|
|
INTERRUPT_GEN_MEMBER( driver_device::irq4_line_hold ) { device.execute().set_input_line(4, HOLD_LINE); }
|
|
INTERRUPT_GEN_MEMBER( driver_device::irq4_line_pulse ) { generic_pulse_irq_line(device.execute(), 4, 1); }
|
|
INTERRUPT_GEN_MEMBER( driver_device::irq4_line_assert ) { device.execute().set_input_line(4, ASSERT_LINE); }
|
|
|
|
INTERRUPT_GEN_MEMBER( driver_device::irq5_line_hold ) { device.execute().set_input_line(5, HOLD_LINE); }
|
|
INTERRUPT_GEN_MEMBER( driver_device::irq5_line_pulse ) { generic_pulse_irq_line(device.execute(), 5, 1); }
|
|
INTERRUPT_GEN_MEMBER( driver_device::irq5_line_assert ) { device.execute().set_input_line(5, ASSERT_LINE); }
|
|
|
|
INTERRUPT_GEN_MEMBER( driver_device::irq6_line_hold ) { device.execute().set_input_line(6, HOLD_LINE); }
|
|
INTERRUPT_GEN_MEMBER( driver_device::irq6_line_pulse ) { generic_pulse_irq_line(device.execute(), 6, 1); }
|
|
INTERRUPT_GEN_MEMBER( driver_device::irq6_line_assert ) { device.execute().set_input_line(6, ASSERT_LINE); }
|
|
|
|
INTERRUPT_GEN_MEMBER( driver_device::irq7_line_hold ) { device.execute().set_input_line(7, HOLD_LINE); }
|
|
INTERRUPT_GEN_MEMBER( driver_device::irq7_line_pulse ) { generic_pulse_irq_line(device.execute(), 7, 1); }
|
|
INTERRUPT_GEN_MEMBER( driver_device::irq7_line_assert ) { device.execute().set_input_line(7, ASSERT_LINE); }
|
|
|
|
|
|
//**************************************************************************
|
|
// GENERIC FLIP SCREEN HANDLING
|
|
//**************************************************************************
|
|
|
|
//-------------------------------------------------
|
|
// updateflip - handle global flipping
|
|
//-------------------------------------------------
|
|
|
|
void driver_device::updateflip()
|
|
{
|
|
// push the flip state to all tilemaps
|
|
machine().tilemap().set_flip_all((TILEMAP_FLIPX & m_flip_screen_x) | (TILEMAP_FLIPY & m_flip_screen_y));
|
|
}
|
|
|
|
|
|
//-------------------------------------------------
|
|
// flip_screen_set - set global flip
|
|
//-------------------------------------------------
|
|
|
|
void driver_device::flip_screen_set(u32 on)
|
|
{
|
|
// normalize to all 1
|
|
if (on)
|
|
on = ~0;
|
|
|
|
// if something's changed, handle it
|
|
if (m_flip_screen_x != on || m_flip_screen_y != on)
|
|
{
|
|
m_flip_screen_x = m_flip_screen_y = on;
|
|
updateflip();
|
|
}
|
|
}
|
|
|
|
|
|
//-------------------------------------------------
|
|
// flip_screen_set_no_update - set global flip
|
|
// do not call updateflip.
|
|
//-------------------------------------------------
|
|
|
|
void driver_device::flip_screen_set_no_update(u32 on)
|
|
{
|
|
// flip_screen_y is not updated on purpose
|
|
// this function is for drivers which
|
|
// were writing to flip_screen_x to
|
|
// bypass updateflip
|
|
if (on)
|
|
on = ~0;
|
|
m_flip_screen_x = on;
|
|
}
|
|
|
|
|
|
//-------------------------------------------------
|
|
// flip_screen_x_set - set global horizontal flip
|
|
//-------------------------------------------------
|
|
|
|
void driver_device::flip_screen_x_set(u32 on)
|
|
{
|
|
// normalize to all 1
|
|
if (on)
|
|
on = ~0;
|
|
|
|
// if something's changed, handle it
|
|
if (m_flip_screen_x != on)
|
|
{
|
|
m_flip_screen_x = on;
|
|
updateflip();
|
|
}
|
|
}
|
|
|
|
|
|
//-------------------------------------------------
|
|
// flip_screen_y_set - set global vertical flip
|
|
//-------------------------------------------------
|
|
|
|
void driver_device::flip_screen_y_set(u32 on)
|
|
{
|
|
// normalize to all 1
|
|
if (on)
|
|
on = ~0;
|
|
|
|
// if something's changed, handle it
|
|
if (m_flip_screen_y != on)
|
|
{
|
|
m_flip_screen_y = on;
|
|
updateflip();
|
|
}
|
|
}
|
|
|
|
|
|
/***************************************************************************
|
|
PORT READING HELPERS
|
|
***************************************************************************/
|
|
|
|
/*-------------------------------------------------
|
|
custom_port_read - act like input_port_read
|
|
but it is a custom port, it is useful for
|
|
e.g. input ports which expect the same port
|
|
repeated both in the upper and lower half
|
|
-------------------------------------------------*/
|
|
|
|
CUSTOM_INPUT_MEMBER(driver_device::custom_port_read)
|
|
{
|
|
const char *tag = (const char *)param;
|
|
return ioport(tag)->read();
|
|
}
|