Loads           Stores          Size and Type           Parameters

LDR             STR             32 bits                 R0, R1 or R1+immediate
LDRB            STRB            8 bits
LDRH            STRH            16 bits                 . . .
LDRSB                           Signed 8 bits
LDRSH                           Signed 16 bits          . . .

LDM             STM             Multiple registers
