Digital and Embedded Systems, Bräunl 2015
In an Atmel controller, the memory and accumulator contents are initially:
[$0900] = $12, [$0056] = $24, [$0038] = $12, [R16] = $B3, [R17] = $12, [R18] = $24
What is the hex value in R16 after executing each of the following instructions separately?
(Always using the the same memory and accumulator contents as shown above)
a. |
add |
R16, R17 |
|
b |
and |
R16, R17 |
|
c |
or |
R16, R18 |
|
d |
ldi |
R16, $38 |
|
e |
subi |
R16, $12 |
|
f |
sbr |
R16, 7 |
|