/// <summary>
/// Produce <see cref="DeviceStatusFlags"/> containing updated <see cref="IntellivisionIIStatusFlags"/> for a given <see cref="Device"/>.
/// </summary>
/// <param name="device">The <see cref="Device"/> whose updated flags are desired.</param>
/// <param name="newIntellivisionIIFlags">New <see cref="IntellivisionIIStatusFlags"/> to apply to <paramref name="device"/>.</param>
/// <returns>A new set of <see cref="DeviceStatusFlags"/> with updated IntellivisionIIStatusFlags for <paramref name="device"/>.</returns>
internal static DeviceStatusFlags UpdateStatusFlags(this Device device, IntellivisionIIStatusFlags newIntellivisionIIFlags)
{
var deviceStatusFlags = device.DeviceStatusFlags & ~DeviceStatusFlags.IntellivisionIIStatusMask;
deviceStatusFlags |= newIntellivisionIIFlags.ToDeviceStatusFlagsLo();
return(deviceStatusFlags);
}
public void DeviceStatusFlagsLo_MultipleFlagsSetToIntellivisionIICompatibiltyFlags_ReturnsExpectedFlags(DeviceStatusFlagsLo statusFlagsLo, IntellivisionIIStatusFlags expectedIntellivisionIIStatusFlags)
{
var actualIntellivisionIIStatusFlags = statusFlagsLo.ToIntellivisionIICompatibilityFlags();
Assert.Equal(expectedIntellivisionIIStatusFlags, actualIntellivisionIIStatusFlags);
}
public void DeviceStatusFlagsLo_ToIntellivisionIICompatibilityFlags_ReturnsExpectedFlags(DeviceStatusFlagsLo statusFlagsLo, IntellivisionIIStatusFlags expectedIntellivisionIIStatusFlags)
{
var actualIntellivisionIIStatusFlags = statusFlagsLo.ToIntellivisionIICompatibilityFlags();
// NOTE: Implementation currently suppresses the reserved bits. Replicate this here.
expectedIntellivisionIIStatusFlags &= ~IntellivisionIIStatusFlags.ReservedMask;
Assert.Equal(expectedIntellivisionIIStatusFlags, actualIntellivisionIIStatusFlags);
}
/// <summary>
/// Places Intellivision II status flags into the more generic <see cref="DeviceStatusFlagsLo"/> bit array.
/// </summary>
/// <param name="intellivisionIIStatus">The Intellivision II status flags to convert.</param>
/// <returns>The flags placed in a <see cref="DeviceStatusFlagsLo"/> bit array.</returns>
internal static DeviceStatusFlagsLo ToDeviceStatusFlagsLo(this IntellivisionIIStatusFlags intellivisionIIStatus)
{
var deviceStatusFlags = (DeviceStatusFlagsLo)((ulong)intellivisionIIStatus << DeviceStatusFlagsLoHelpers.IntellivisionIIStatusBitsOffset);
return(deviceStatusFlags);
}
/// <summary>
/// Converts status flags into a display string.
/// </summary>
/// <param name="intellivisionIIStatus">The Intellivision II status flags to convert.</param>
/// <returns>A display string for the flags.</returns>
internal static string ToDisplayString(this IntellivisionIIStatusFlags intellivisionIIStatus)
{
return(ModeToStringsTable[intellivisionIIStatus]);
}
