Address

This addressing mode specifies that the operand is in one of the
address registers.

Mode:\b 001 \bRegister: register number 0 through 7

Assembler Syntax: An

Format:
\i11X,1X,1X,1X,1X,1X,1X,1X,1X,1X,u6Effective Address,3Mode,3Register,
.200202