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HT80C51 User Manual
80C51 Family Instruction Set – Instruction definitions
Handshake Solutions
© Philips Electronics N.V. 2005
Page 119 of 132
ORL A,direct
Bytes: 2
Cycles: 1
Encoding:
Operation: ORL
(A)
← (A) ∨ (direct)
ORL A,@Ri
Bytes: 1
Cycles: 1
Encoding:
Operation: ORL
(A)
← (A) ∨ ((Ri))
ORL A,#data
Bytes: 2
Cycles: 1
Encoding:
Operation: ORL
(A)
← (A) ∨ #data
ORL direct,A
Bytes: 2
Cycles: 1
Encoding:
Operation: ORL
(direct)
← (direct) ∨ (A)
ORL direct,#data
Bytes: 3
Cycles: 2
Encoding:
Operation: ORL
(direct)
← (direct) ∨ #data
0
1
0
0
0
1
0
1
direct address
0
1
0
0
0
1
1
i
0
1
0
0
0
1
0
0
immediate data
0
1
0
0
0
0
1
0
direct address
0
1
0
0
0
0
1
1
direct address
immediate data