Logical AND Immediate
NAME
ANDI -- Logical AND immediate
SYNOPSIS
ANDI #<data>,<ea>
Size = (Byte, Word, Long)
FUNCTION
Performs a bit-wise AND operation with the immediate data and
the destination operand and stores the result in the destination. The
size of ther operation can be specified as byte, word, or long. The
size of the immediate data matches the operation size.
FORMAT
<ea>
----------------------------------------=========================
|15 |14 |13 |12 |11 |10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
|---|---|---|---|---|---|---|---|-------|-----------|-----------|
| 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | SIZE | MODE | REGISTER |
|---------------------------------------------------------------|
| 16 BITS DATA (with last Byte) | 8 BITS DATA |
|---------------------------------------------------------------|
| 32 BITS DATA (included last Word) |
-----------------------------------------------------------------
SIZE
00->one Byte operation
01->one Word operation
10->one Long operation
REGISTER
<ea> is always destination, addressing modes are the followings:
--------------------------------- -------------------------------
|Addressing Mode|Mode| Register | |Addressing Mode|Mode|Register|
|-------------------------------| |-----------------------------|
| Dn |000 |N° reg. Dn| | Abs.W |111 | 000 |
|-------------------------------| |-----------------------------|
| An | - | - | | Abs.L |111 | 001 |
|-------------------------------| |-----------------------------|
| (An) |010 |N° reg. An| | (d16,PC) | - | - |
|-------------------------------| |-----------------------------|
| (An)+ |011 |N° reg. An| | (d8,PC,Xi) | - | - |
|-------------------------------| |-----------------------------|
| -(An) |100 |N° reg. An| | (bd,PC,Xi) | - | - |
|-------------------------------| |-----------------------------|
| (d16,An) |101 |N° reg. An| |([bd,PC,Xi],od)| - | - |
|-------------------------------| |-----------------------------|
| (d8,An,Xi) |110 |N° reg. An| |([bd,PC],Xi,od)| - | - |
|-------------------------------| |-----------------------------|
| (bd,An,Xi) |110 |N° reg. An| | #data | - | - |
|-------------------------------| -------------------------------
|([bd,An,Xi]od) |110 |N° reg. An|
|-------------------------------|
|([bd,An],Xi,od)|110 |N° reg. An|
---------------------------------
RESULT
X - Not affected
N - Set if the most-significant bit of the result was set. Cleared
otherwise.
Z - Set if the result was zero. Cleared otherwise.
V - Always cleared.
C - Always cleared.
SEE ALSO
AND ANDI to CCR ANDI to SR
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& witbrock@cs.cmu.edu