The above described signals enable the write module to continuously write {HEAD ~ as many blocks} into {TAIL ~ the memory} as can be accommodated therein and enable the read module to continuously read as many blocks of data as are available in the memory 
into
The above described signals enable the write module to continuously write { HEAD ~ as many blocks } into { TAIL ~ the memory } as can be accommodated therein and enable the read module to continuously read as many blocks of data as are available in the memory
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH