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Instruction Reference Manual
27
Description
Performs a logical AND operation between the byte in A and the byte in r (any of the registers A, B, C, D, E,
H, or L). The relative bits of each byte are compared (i.e., bit 0 of both bytes are compared, bit 1 of both bytes
are compared, etc.). The associated bit in the result byte is set only if both the compared bits are set. The result
is stored in A.
AND
r
Opcode
Instruction
Clocks
Operation
——
A7
A0
A1
A2
A3
A4
A5
AND
r
AND A
AND B
AND C
AND D
AND E
AND H
AND L
2
2
2
2
2
2
2
2
A = A &
r
A = A & A
A = A & B
A = A & C
A = A & D
A = A & E
A = A & H
A = A & L
Flags
ALTD
I/O
S
Z
L/V
C
F
R
SP
S
D
•
•
L
0
•
•
Summary of Contents for 2000
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