Zilog EZ80F916 - Manual (Page 263)

eZ80
®
CPU
User Manual
UM007715-0415 CPU Instruction Set
254
OR A, r
Logical OR
Operation
A  A OR r
Description
The r operand is any of the 8-bit CPU registers A, B, C, D, E, H, or L. The r operand is
logically ORed to the contents of the accumulator, A. The result is written to the accumu-
lator.
Condition Bits Affected
Attributes
jj
identifies the A, B, C, D, E, H, or L register and is assembled into one of the opcodes
indicated in Table 75 .
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, r X 1
jj