HT49R50 Holtek Semiconductor Inc, HT49R50 Datasheet - Page 42

• Manufacturer Part Number: HT49R50
• Description: 8-Bit Microcontroller
• Manufacturer: Holtek Semiconductor Inc

OR A,[m]
Description
Operation
Affected flag(s)
OR A,x
Description
Operation
Affected flag(s)
ORM A,[m]
Description
Operation
Affected flag(s)
RET
Description
Operation
Affected flag(s)
Logical OR accumulator with data memory
Data in the accumulator and the specified data memory (one of the data
memories) perform a bitwise logical_OR operation. The result is stored in
the accumulator.
ACC ¬ ACC ²OR² [m]
Logical OR immediate data to the accumulator
Data in the accumulator and the specified data perform a bitwise logical_OR
operation. The result is stored in the accumulator.
ACC ¬ ACC ²OR² x
Logical OR data memory with the accumulator
Data in the data memory (one of the data memories) and the accumulator
perform a bitwise logical_OR operation. The result is stored in the data
memory.
[m] ¬ ACC ²OR² [m]
Return from subroutine
The program counter is restored from the stack. This is a two-cycle instruc-
tion.
PC ¬ Stack
TC2
TC2
TC2
TC2
¾
¾
¾
¾
TC1
TC1
TC1
TC1
¾
¾
¾
¾
TO
TO
TO
TO
¾
¾
¾
¾
PD
PD
PD
PD
¾
¾
¾
¾
42
OV
OV
OV
OV
¾
¾
¾
¾
¾
Z
Ö
Z
Ö
Z
Ö
Z
AC
AC
AC
AC
¾
¾
¾
¾
¾
¾
¾
¾
C
C
C
C
August 18, 1999
HT49C50