/// <summary>
/// Installs HBF card to the system
/// </summary>
/// <param name="in_tvcomputer"></param>
public void Install(ITVComputer in_tvcomputer)
{
m_tvcomputer = in_tvcomputer;
// set timing
m_index_pulse_period = in_tvcomputer.MicrosecToCPUTicks(IndexPulsePeriod);
m_index_pulse_width = in_tvcomputer.MicrosecToCPUTicks(IndexPulseWidth);
}
/// <summary>
/// Starts head moving operaton in emulated speed (lengthty) or fast mode (immediate).
/// </summary>
/// <param name="in_delay_us">Operation length in us</param>
/// <param name="in_new_status_flags">New status flag after the operation is complete</param>
/// <param name="in_new_hardware_flags">New hardware status flag after the operation is complete</param>
/// <param name="in_new_track">Track register value after the operation is complete</param>
private void StartOperation(int in_delay_us, StatusFlags in_new_status_flags, HardwareFlags in_new_hardware_flags, byte in_new_track)
{
if (m_fast_operation)
{
// no delay -> immediately execute the operation
m_fdc_status = in_new_status_flags;
m_reg_hw_status = in_new_hardware_flags;
m_fdc_track = in_new_track;
m_operation_state = OperationState.None;
}
else
{
// start delaying operation
m_fdc_status |= StatusFlags.BUSY;
m_pending_status = in_new_status_flags;
m_pending_hw_status = in_new_hardware_flags;
m_pending_track = in_new_track;
m_pending_delay = m_tvcomputer.MicrosecToCPUTicks(in_delay_us);
m_operation_state = OperationState.Seek;
}
}
