created: 07/16/01; small edits: 10/06/02, 06/25/03
This chapter discusses some more 
instructions that load registers
(from memory)
and  that store registers
(to memory).
These instructions are used less
frequently than 
lw and
sw.
lb,
    lbu,
    and
    sb
lh,
    lhu,
    and
    sh