Download C51ASM User Guide - Atmel Corporation

Instruction Set Reference
9.4.43
ORL <dest-byte> <src-byte>
ORL A,direct
Bytes: 2
Cycles: 6
Classic (1 Machine Cycle)
2
Encoding:
Fast Mode
0
1
Operation: ORL
(A) ←(A)
∨
0
0
0
1
0
1
direct address
1
1
i
1
0
0
immediate data
0
1
0
direct address
1
1
direct addr.
(direct)
ORL A,@Ri
Bytes: 1
Cycles: 6
Classic (1 Machine Cycle)
2
Encoding:
Fast Mode
0
1
Operation: ORL
(A) ←(A)
∨
0
0
0
((Ri))
ORL A,#data
Bytes: 2
Cycles: 6
Classic (1 Machine Cycle)
2
Encoding:
Fast Mode
0
1
Operation: ORL
(A) ←(A)
∨
0
0
0
#data
ORL direct,A
Bytes: 2
Cycles: 6
Classic (1 Machine Cycle)
2
Encoding:
Fast Mode
0
1
0
Operation: ORL
(direct) ←(direct)
0
∨
0
(A)
ORL direct,#data
Bytes: 3
Cycles: 12
3
Encoding:
Classic (2 Machine Cycles)
Fast Mode
0
1
0
Operation: ORL
(direct) ←(direct)
C51ASM User Guide
0
∨
0
0
immediate data
#data
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