MC68HC705J MOTOROLA [Motorola, Inc], MC68HC705J Datasheet - Page 55

• Manufacturer Part Number: MC68HC705J
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

3.6.2 Instruction Types
3.6.2.1 Register/Memory Instructions
MC68HC705J1A — Rev. 4.0
MOTOROLA
The MCU instructions fall into these five categories:
These instructions operate on CPU registers and memory locations.
Most of them use two operands. One operand is in either the
accumulator or the index register. The CPU finds the other operand in
memory.
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Register/memory instructions
Read-modify-write instructions
Jump/branch instructions
Bit manipulation instructions
Control instructions
Add memory byte and carry bit to accumulator
Add memory byte to accumulator
AND memory byte with accumulator
Bit test accumulator
Compare accumulator
Compare index register with memory byte
EXCLUSIVE OR accumulator with memory byte
Load accumulator with memory byte
Load index register with memory byte
Multiply
OR accumulator with memory byte
Subtract memory byte and carry bit from accumulator
Store accumulator in memory
Store index register in memory
Subtract memory byte from accumulator
Central Processor Unit (CPU)
Table 3-1. Register/Memory Instructions
Instruction
Central Processor Unit (CPU)
Mnemonic
CMP
ADC
ADD
AND
EOR
MUL
ORA
SBC
SUB
CPX
LDA
LDX
STX
STA
BIT
Technical Data
Instruction Set
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