//-------------------------------------------------
// execute_timers - execute timers that are due
//-------------------------------------------------
void execute_timers()
{
if (machine().video().frame_update_count() % 400 == 0)
{
LOG("execute_timers: new={0} head->expire={1}\n", m_basetime.as_string(), m_timer_list.expire().as_string());
}
// now process any timers that are overdue
while (m_timer_list.expire() <= m_basetime)
{
// if this is a one-shot timer, disable it now
emu_timer timer = m_timer_list;
bool was_enabled = timer.enabled();
if (timer.m_period.is_zero() || timer.m_period.is_never())
{
timer.m_enabled = false;
}
// set the global state of which callback we're in
m_callback_timer_modified = false;
m_callback_timer = timer;
m_callback_timer_expire_time = timer.expire();
// call the callback
if (was_enabled)
{
g_profiler.start(profile_type.PROFILER_TIMER_CALLBACK);
if (timer.m_callback != null)
{
if (timer.m_device != null)
{
LOG("execute_timers: expired: {0} timer device {1} timer {2}\n", timer.expire().attoseconds(), timer.m_device.tag(), timer.m_id);
}
else
{
LOG("execute_timers: expired: {0} timer callback {1}\n", timer.expire().attoseconds(), timer.m_callback.ToString());
}
timer.m_callback(timer.m_ptr, timer.m_param);
}
g_profiler.stop();
}
// reset or remove the timer, but only if it wasn't modified during the callback
if (!m_callback_timer_modified)
{
// if the timer is temporary, remove it now
if (timer.m_temporary)
{
m_timer_allocator.reclaim(timer.release());
}
// otherwise, reschedule it
else
{
timer.schedule_next_period();
}
}
}
// clear the callback timer global
m_callback_timer = null;
}
//void apply_stain(bitmap_ind16 &bitmap, uint16_t *pf, uint16_t *mo, int x, int y);
// memory access
//uint16_t &slipram(int offset) { return m_slipram[offset]; }
// device-level overrides
//-------------------------------------------------
// device_start: Start up the device
//-------------------------------------------------
protected override void device_start()
{
// call parent
base.device_start();
// verify configuration
gfx_element gfx = m_gfxdecode.op0.gfx(m_atari_motion_objects_config.m_gfxindex);
if (gfx == null)
{
throw new emu_fatalerror("No gfxelement #{0}!", m_atari_motion_objects_config.m_gfxindex);
}
// determine the masks
m_linkmask.set(m_atari_motion_objects_config.m_link_entry);
m_codemask.set(m_atari_motion_objects_config.m_code_entry);
m_colormask.set(m_atari_motion_objects_config.m_color_entry);
m_xposmask.set(m_atari_motion_objects_config.m_xpos_entry);
m_yposmask.set(m_atari_motion_objects_config.m_ypos_entry);
m_widthmask.set(m_atari_motion_objects_config.m_width_entry);
m_heightmask.set(m_atari_motion_objects_config.m_height_entry);
m_hflipmask.set(m_atari_motion_objects_config.m_hflip_entry);
m_vflipmask.set(m_atari_motion_objects_config.m_vflip_entry);
m_prioritymask.set(m_atari_motion_objects_config.m_priority_entry);
m_neighbormask.set(m_atari_motion_objects_config.m_neighbor_entry);
m_absolutemask.set(m_atari_motion_objects_config.m_absolute_entry);
// derive tile information
m_tilewidth = gfx.width();
m_tileheight = gfx.height();
m_tilexshift = compute_log(m_tilewidth);
m_tileyshift = compute_log(m_tileheight);
// derive bitmap information
m_bitmapwidth = round_to_powerof2(m_xposmask.mask());
m_bitmapheight = round_to_powerof2(m_yposmask.mask());
m_bitmapxmask = m_bitmapwidth - 1;
m_bitmapymask = m_bitmapheight - 1;
// derive sprite information
m_entrycount = round_to_powerof2(m_linkmask.mask());
m_entrybits = compute_log(m_entrycount);
m_spriteramsize = m_atari_motion_objects_config.m_bankcount * m_entrycount;
m_spriterammask = m_spriteramsize - 1;
m_slipshift = (m_atari_motion_objects_config.m_slipheight != 0) ? compute_log(m_atari_motion_objects_config.m_slipheight) : 0;
m_slipramsize = m_bitmapheight >> m_slipshift;
m_sliprammask = m_slipramsize - 1;
if (m_atari_motion_objects_config.m_maxperline == 0)
{
m_atari_motion_objects_config.m_maxperline = MAX_PER_BANK;
}
// Get the slipram from the share if not already explicitly set
if (m_slipram == null)
{
m_slipram = new Pointer <u16>(m_slipramshare.op);
}
// allocate and initialize the code lookup
int codesize = round_to_powerof2((int)m_codemask.mask());
m_codelookup.resize((size_t)codesize);
for (int i = 0; i < codesize; i++)
{
m_codelookup[i] = (uint32_t)i;
}
// allocate and initialize the color lookup
int colorsize = round_to_powerof2((int)m_colormask.mask());
m_colorlookup.resize((size_t)colorsize);
for (int i = 0; i < colorsize; i++)
{
m_colorlookup[i] = (uint8_t)i;
}
// allocate and the gfx lookup
int gfxsize = codesize / 256;
m_gfxlookup.resize((size_t)gfxsize);
for (int i = 0; i < gfxsize; i++)
{
m_gfxlookup[i] = m_atari_motion_objects_config.m_gfxindex;
}
// allocate a timer to periodically force update
m_force_update_timer = timer_alloc(TID_FORCE_UPDATE);
m_force_update_timer.adjust(m_divideo.screen().time_until_pos(0));
// register for save states
save_item(NAME(new { m_bank }));
save_item(NAME(new { m_xscroll }));
save_item(NAME(new { m_yscroll }));
}
} //template <std::size_t Port> auto write_r() { return m_write_r[Port].bind(); }
// SI: serial input
//auto read_si() { return m_read_si.bind(); }
// SO: serial output
//auto write_so() { return m_write_so.bind(); }
//static void set_pla(device_t &device, UINT8 *pla) { downcast<mb88_cpu_device &>(device).m_PLA = pla; }
//DECLARE_WRITE_LINE_MEMBER( clock_w );
//void data_4bit(address_map &map);
//void data_5bit(address_map &map);
//void data_6bit(address_map &map);
//void data_7bit(address_map &map);
//void program_10bit(address_map &map);
//void program_11bit(address_map &map);
//void program_9bit(address_map &map);
// device-level overrides
/***************************************************************************
* INITIALIZATION AND SHUTDOWN
***************************************************************************/
protected override void device_start()
{
m_dimemory = GetClassInterface <device_memory_interface_mb88>();
m_diexec = GetClassInterface <device_execute_interface_mb88>();
m_distate = GetClassInterface <device_state_interface_mb88>();
m_program = m_dimemory.space(AS_PROGRAM);
m_cache = m_program.cache(0, 0, (int)endianness_t.ENDIANNESS_BIG);
m_data = m_dimemory.space(AS_DATA);
m_read_k.resolve_safe(0);
m_write_o.resolve_safe();
m_write_p.resolve_safe();
foreach (var cb in m_read_r)
{
cb.resolve_safe(0);
}
foreach (var cb in m_write_r)
{
cb.resolve_safe();
}
m_read_si.resolve_safe(0);
m_write_so.resolve_safe();
m_serial = machine().scheduler().timer_alloc(serial_timer); //timer_expired_delegate(FUNC(mb88_cpu_device::serial_timer), this));
m_ctr = 0;
save_item(m_PC, "m_PC");
save_item(m_PA, "m_PA");
save_item(m_SP[0], "m_SP[0]");
save_item(m_SP[1], "m_SP[1]");
save_item(m_SP[2], "m_SP[2]");
save_item(m_SP[3], "m_SP[3]");
save_item(m_SI, "m_SI");
save_item(m_A, "m_A");
save_item(m_X, "m_X");
save_item(m_Y, "m_Y");
save_item(m_st, "m_st");
save_item(m_zf, "m_zf");
save_item(m_cf, "m_cf");
save_item(m_vf, "m_vf");
save_item(m_sf, "m_sf");
save_item(m_nf, "m_nf");
save_item(m_pio, "m_pio");
save_item(m_TH, "m_TH");
save_item(m_TL, "m_TL");
save_item(m_TP, "m_TP");
save_item(m_ctr, "m_ctr");
save_item(m_SB, "m_SB");
save_item(m_SBcount, "m_SBcount");
save_item(m_pending_interrupt, "m_pending_interrupt");
m_distate.state_add(MB88_PC, "PC", m_PC).formatstr("%02X");
m_distate.state_add(MB88_PA, "PA", m_PA).formatstr("%02X");
m_distate.state_add(MB88_SI, "SI", m_SI).formatstr("%01X");
m_distate.state_add(MB88_A, "A", m_A).formatstr("%01X");
m_distate.state_add(MB88_X, "X", m_X).formatstr("%01X");
m_distate.state_add(MB88_Y, "Y", m_Y).formatstr("%01X");
m_distate.state_add(MB88_PIO, "PIO", m_pio).formatstr("%02X");
m_distate.state_add(MB88_TH, "TH", m_TH).formatstr("%01X");
m_distate.state_add(MB88_TL, "TL", m_TL).formatstr("%01X");
m_distate.state_add(MB88_SB, "SB", m_SB).formatstr("%01X");
m_distate.state_add(STATE_GENPC, "GENPC", m_debugger_pc).callimport().callexport().noshow();
m_distate.state_add(STATE_GENPCBASE, "CURPC", m_debugger_pc).callimport().callexport().noshow();
m_distate.state_add(STATE_GENFLAGS, "GENFLAGS", m_debugger_flags).callimport().callexport().formatstr("%6s").noshow();
set_icountptr(m_icountRef);
}
public static Atime timer_timeleft(emu_timer which)
{
return(Attotime.attotime_sub(which.expire, get_current_time()));
}
public static bool timer_enabled(emu_timer which)
{
return(which.enabled);
}
public static void timer_set_internal(Action action, string func)
{
emu_timer timer = timer_alloc_common(action, func, true);
timer_adjust_periodic(timer, Attotime.ATTOTIME_ZERO, Attotime.ATTOTIME_NEVER);
}