Table of Contents
Advertisement
III
CLR
Clear an Operand
Operation:
0 => Destination
Assembler
Syntax:
CLR (ea)
Attributes:
Size
=
(Byte. Word. Long)
Description:
Clears the destination operand to zero.
Condition Codes:
X
N
Z
V
C
o
~
0
0
X
Not affected.
N Always cleared.
Z
Always set.
V
Always cleared.
C Always cleared.
Instruction Format:
15
14
13
12
11
10
9
8
0
1
0
0
0
0
1
0
Instruction Fields:
Size field - Specifies the size of the operation.
00 -
Byte operation
01 - Word operation
10 -
Long operation
7
SIZE
MOTOROLA
4-58
INSTRUCTION SET
CLR
6
5
4
3
2
o
EFFECTIVE ADDRESS
MODE
I
REGISTER
CPU32 REFERENCE MANUAL
Advertisement
Table of Contents
