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H49R50A-1 Datasheet, PDF (29/45 Pages) Holtek Semiconductor Inc – LCD Type 8-Bit MCU
AND A,[m]
Description
Operation
Affected flag(s)
AND A,x
Description
Operation
Affected flag(s)
ANDM A,[m]
Description
Operation
Affected flag(s)
CALL addr
Description
Operation
Affected flag(s)
CLR [m]
Description
Operation
Affected flag(s)
HT49R50A-1/HT49C50-1/HT49C50L
Logical AND accumulator with data memory
Data in the accumulator and the specified data memory perform a bitwise logical_AND op-
eration. The result is stored in the accumulator.
ACC ¬ ACC ²AND² [m]
TO
PDF
OV
Z
AC
C
¾
¾
¾
Ö
¾
¾
Logical AND immediate data to the accumulator
Data in the accumulator and the specified data perform a bitwise logical_AND operation.
The result is stored in the accumulator.
ACC ¬ ACC ²AND² x
TO
PDF
OV
Z
AC
C
¾
¾
¾
Ö
¾
¾
Logical AND data memory with the accumulator
Data in the specified data memory and the accumulator perform a bitwise logical_AND op-
eration. The result is stored in the data memory.
[m] ¬ ACC ²AND² [m]
TO
PDF
OV
Z
AC
C
¾
¾
¾
Ö
¾
¾
Subroutine call
The instruction unconditionally calls a subroutine located at the indicated address. The
program counter increments once to obtain the address of the next instruction, and pushes
this onto the stack. The indicated address is then loaded. Program execution continues
with the instruction at this address.
Stack ¬ Program Counter+1
Program Counter ¬ addr
TO
PDF
OV
Z
AC
C
¾
¾
¾
¾
¾
¾
Clear data memory
The contents of the specified data memory are cleared to 0.
[m] ¬ 00H
TO
PDF
OV
Z
AC
C
¾
¾
¾
¾
¾
¾
Rev. 2.00
29
November 29, 2005