STMicroelectronics ST10 Series Programming Manual page 46

ST10 FAMILY PROGRAMMING MANUAL
ANDB
Syntax
Operation
Data Types
Description
Performs a bitwise logical AND of the source operand specified by op2 and the destination operand spec-
ified by op1. The result is then stored in op1.
Flags
E
*
E Set if the value of op2 represents the lowest possible negative number. Cleared otherwise.
Used to signal the end of a table.
Z Set if result equals zero. Cleared otherwise.
V Always cleared.
C Always cleared.
N Set if the most significant bit of the result is set. Cleared otherwise.
Addressing Modes
Mnemonic
ANDB
ANDB
ANDB
ANDB
ANDB
ANDB
ANDB
44/172
Logical AND
ANDB
(op1)
BYTE
Z
*
Rb , Rb
n m
Rb , [Rw ]
n i
Rb , [Rw +]
n i
Rb , #data
n 3
reg, #data
16
reg, mem
mem, reg
op1, op2
<-- (op1) ^ (op2)
V
0
Format
61 nm
69 n:10ii
69 n:11ii
69 n:0###
67 RR ## ##
63 RR MM MM
65 RR MM MM
C N
0 *
Bytes
2
2
2
2
4
4
4