Logic Operation - Holtek HT827A0 Manual

Instruction Set Summary
Mnemonic
Arithmetic
ADD A,[m] Add data memory to ACC
ADDM A,[m] Add ACC to data memory
ADD A,x Add immediate data to ACC
ADC A,[m] Add data memory to ACC with carry
ADCM A,[m] Add ACC to register with carry
Subtract immediate data from ACC
SUB A,x
SUB A,[m] Subtract data memory from ACC
SUBM A,[m] Subtract data memory from ACC with result in data memory
SBC A,[m] Subtract data memory from ACC with carry
SBCM A,[m] Subtract data memory from ACC with carry leaving result in
the data memory
DAA [m] Decimal adjust ACC for addition with result in data memory

Logic Operation

AND A,[m] AND data memory to ACC
OR A,[m] OR data memory to ACC
XOR A,[m] Exclusive-OR data memory to ACC
ANDM A,[m] AND ACC to data memory
ORM A,[m] OR ACC to data memory
XORM A,[m] Exclusive-OR ACC to data memory
AND A,x AND immediate data to ACC
OR A,x OR immediate data to ACC
XOR A,x Exclusive-OR immediate data to ACC
CPL [m] Complement data memory
CPLA [m] Complement data memory with result in ACC
Increment & Decrement
INCA [m] Increment data memory with result in ACC
INC [m] Increment data memory
DECA [m] Decrement data memory with result in ACC
DEC [m] Decrement data memory
Rotate
RRA [m] Rotate data memory right with result in ACC
RR [m] Rotate data memory right
RRCA [m] Rotate data memory right through carry with result in ACC
RRC [m] Rotate data memory right through carry
RLA [m] Rotate data memory left with result in ACC
RL [m] Rotate data memory left
RLCA [m] Rotate data memory left through carry with result in ACC
RLC [m] Rotate data memory left through carry
Description
29
HT827A0
Flag Affected
Z,C,AC,OV
Z,C,AC,OV
Z,C,AC,OV
Z,C,AC,OV
Z,C,AC,OV
Z,C,AC,OV
Z,C,AC,OV
Z,C,AC,OV
Z,C,AC,OV
Z,C,AC,OV
C
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
None
None
C
C
None
None
C
C
March 15, 2000