参数资料
型号: UPD178F054
英文描述: 78K/0 Series for Instructions | User's Manual[10/2001]
中文描述: 78K线/ 0系列说明|用户手册[10/2001]
文件页数: 87/129页
文件大小: 644K
代理商: UPD178F054
60
CHAPTER 5 EXPLANATION OF INSTRUCTIONS
User's Manual U12326EJ4V0UM
Or
OR
Logical Sum of Byte Data
[Instruction format]
OR dst, src
[Operation]
dst
← dst ∨ src
[Operand]
Mnemonic
Operand(dst,src)
Mnemonic
Operand(dst,src)
OR
A, #byte
OR
A, !addr16
saddr, #byte
A, [HL]
A, r
Note
A, [HL+byte]
r, A
A, [HL+B]
A, saddr
A, [HL+C]
Note Except r = A
[Flag]
ZAC
CY
×
[Description]
The bit-wise logical sum is obtained from the destination operand (dst) specified by the 1st operand and the
source operand (src) specified by the 2nd operand and the result is stored in the destination operand (dst).
If the logical sum shows that all bits are 0, the Z flag is set (1). In all other cases, the Z flag is cleared (0).
[Description example]
OR A, FE98H;
The bit-wise logical sum of the A register and FE98H is obtained and the result is stored in
the A register.
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