/***
* \brief To be called after monitor parameters are set
*/
public void start()
{
// FIXME: once moved to netlist this may no longer be necessary.
// Only copies constructor init
m_last_sync_val = 0.0;
m_col = new rgb_t(0, 0, 0);
m_last_x = 0;
m_last_y = 0;
m_last_sync_time = (fixedfreq_monitor_state_time_type)0;
m_line_time = (fixedfreq_monitor_state_time_type)0;
m_last_hsync_time = (fixedfreq_monitor_state_time_type)0;
m_last_vsync_time = (fixedfreq_monitor_state_time_type)0;
/* sync separator */
m_vsync_filter = 0.0;
m_sig_vsync = 0;
m_sig_composite = 0;
m_sig_field = 0;
// htotal = m_desc.m_hbackporch;
// vtotal = m_desc.m_vbackporch;
/* sync separator */
//m_vsync_threshold = (exp(- 3.0/(3.0+3.0))) - exp(-1.0);
//printf("trigger %f with len %f\n", m_vsync_threshold, 1e6 / m_vsync_filter_timeconst);
// Minimum frame period to be passed to video system ?
m_fragments.clear();
m_intf.vsync_end_cb(m_desc.clock_period() * m_desc.vtotal() * m_desc.htotal());
}
public void vsync_end_cb(double refresh_time)
{
var expected_frame_period = m_monitor.clock_period() * m_monitor.vtotal() * m_monitor.htotal();
var refresh_limited = std.min(4.0 * expected_frame_period,
std.max(refresh_time, 0.25 * expected_frame_period));
rectangle visarea = new rectangle(m_monitor.minh(), m_monitor.maxh(), m_monitor.minv(), m_monitor.maxv());
m_divideo.screen().configure(m_monitor.htotal_scaled(), m_monitor.vtotal(), visarea, DOUBLE_TO_ATTOSECONDS(refresh_limited));
m_divideo.screen().reset_origin(m_state.m_last_y - (m_monitor.vsync_width() + m_monitor.vbackporch_width()), 0);
}