{HEAD ~ The next address} provided by the address sequencer is based upon the current address and the state of {TAIL ~ the sample value} stored in the image buffer at the location corresponding to the current address 
{ HEAD ~ The next address } provided by the address sequencer is based upon the current address and the state of { TAIL ~ the sample value } stored in the image buffer at the location corresponding to the current address
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH