// device-level overrides
protected override void device_config_complete()
{
if (!m_divideo.has_screen())
{
return;
}
if (m_divideo.screen().refresh_attoseconds() == 0)
{
m_divideo.screen().set_raw(m_monitor.m_monitor_clock, (u16)m_monitor.htotal(), 0,
(u16)m_monitor.htotal(), (u16)m_monitor.vtotal(), 0,
(u16)m_monitor.vtotal());
}
if (!m_divideo.screen().has_screen_update())
{
m_divideo.screen().set_screen_update(screen_update);
}
LOG("config complete\n");
}
//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 }));
}