Zilog EZ80F916 - Manual (Page 259)

eZ80
®
CPU
User Manual
UM007715-0415 CPU Instruction Set
250
OR A, (HL)
Logical OR
Operation
A  A OR (HL)
Description
The (HL) operand is the 8-bit value located at the memory location specified by the con-
tents of the multibyte CPU register HL. This 8-bit value is logically ORed to the contents
of the accumulator, A. The result is written to the accumulator.
Condition Bits Affected
Attributes
S
Set if result is negative; reset otherwise.
Z
Set if result is 0; reset otherwise.
H
Reset.
P/V
Set if parity is even; reset otherwise.
N
Reset.
C
Reset.
Mnemonic Operand ADL Mode Cycle Opcode (hex)
OR
A, (HL) X 2
B6
OR.S
A, (HL) 1 3
52, B6
OR.L
A, (HL) 0 3
49, B6