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Individual Instruction Descriptions
4-82
4.14.5 ANDB Bitwise AND Byte
Syntax
[label] name dest, src
Clock,
clk
Word,
w
With RPT,
clk
Class
ANDB A
n
,
imm8
1 1 N/R 2a
Execution
dest
⇐
dest
AND
src
byte
PC ⇐ PC + 1
Flags Affected OF, SF, ZF, CF are set accordingly
Opcode
Instructions 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ANDB A
n
,
imm8
1 0 1 0 1 0 1 A
n imm8
Description Bitwise AND
src
byte and byte stored in
dest
register and store result in
dest
register.
See Also AND, ANDS, OR, ORB, ORS, XOR, XORB, XORS
Example 4.14.5.1 ANDB A2, 0x45
AND immediate value 0x45 to A2 (byte mode). Store result in A2. Upper 8 bits of A2 will be ANDed with
zeros.