UPD784938 Datasheet, PDF (690/733 Pages) NEC – 16-Bit Single-Chip Microcontrollers

CHAPTER 29 INSTRUCTION OPERATIONS
Mnemonic
Operands
OR
A, #byte
r, #byte
saddr, #byte
sfr, #byte
r, r’
A, saddr2
r, saddr
saddr, r
r, sfr
sfr, r
saddr, saddr’
A, [saddrp]
A, [%saddrg]
[saddrp], A
[%saddrg], A
A, !addr16
A, !!addr24
!addr16, A
!!addr24, A
A, mem
mem, A
Bytes
Operation
2
3
3/4
4
2/3
2
3
3
3
3
4
3/4
3/4
3/4
3/4
4
5
4
5
2 to 5
2 to 5
A ← A ∨ byte
r ← r ∨ byte
(saddr) ← (saddr) ∨ byte
sfr ← sfr ∨ byte
r ← r ∨ r’
A ← A ∨ (saddr2)
r ← r ∨ (saddr)
(saddr) ← (saddr) ∨ r
r ← r ∨ sfr
sfr ← sfr ∨ r
(saddr) ← (saddr) ∨ (saddr’)
A ← A ∨ ((saddrp))
A ← A ∨ ((saddrg))
((saddrp)) ← ((saddrp)) ∨ A
((saddrg)) ← ((saddrg)) ∨ A
A ← A ∨ (addr16)
A ← A ∨ (addr24)
(addr16) ← (addr16) ∨ A
(addr24) ← (addr24) ∨ A
A ← A ∨ (mem)
(mem) ← (mem) ∨ A
Flags
S Z AC P/V CY
××
P
××
P
××
P
××
P
××
P
××
P
××
P
××
P
××
P
××
P
××
P
××
P
××
P
××
P
××
P
××
P
××
P
××
P
××
P
××
P
××
P
690
Preliminary User’s Manual U13987EJ1V0UM00