constantc_queue_id_GET:natural:=16#00#;-- ro, 8 b, The index of a_channel_o from the ECA to which this queue is connected (set channel_select=queue_id+1)
constantc_pop_OWR:natural:=16#04#;-- wo, 1 b, Pop action from the channel's queue
constantc_flags_GET:natural:=16#08#;-- ro, 5 b, Error flags for this action(0=late, 1=early, 2=conflict, 3=delayed, 4=valid)