Digital Photo Keychain User Manual

INSTRUCTION DESCRIPTIONS
MOTOROLA INSTRUCTION SET DETAILS A - 169
Example:
:
MACR–X0,Y0,A Y1,N5 ;–X0
∗Y0+A➞A, move Y1➞N5
:
Explanation of Example: Prior to execution, the 24-bit Y1 register contains the value
$001234 and the 16-bit address offset register N5 contains the value $0000. The execu-
tion of the parallel move portion of the instruction, Y1,N5, moves the 16 LS bits of the 24-
bit value in the Y1 register into the 16-bit N5 register.
N5
N5
$0000 $1234
Before Execution After Execution
Y1
Y1
$001234 $001234
R Register to Register Data Move R