MC68HC05P9A Datasheet, PDF (37/158 Pages) Freescale Semiconductor, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
CPU
Instruction Set
Instruction Types
The MCU instructions fall into the following five categories:
• Register/Memory Instructions
• Read-Modify-Write Instructions
• Jump/Branch Instructions
• Bit Manipulation Instructions
• Control Instructions
Register/
Memory
Instructions
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.
Table 4. Register/Memory Instructions
Instruction
Mnemonic
Add Memory Byte and Carry Bit to Accumulator
ADC
Add Memory Byte to Accumulator
ADD
AND Memory Byte with Accumulator
AND
Bit Test Accumulator
BIT
Compare Accumulator
CMP
Compare Index Register with Memory Byte
CPX
EXCLUSIVE OR Accumulator with Memory Byte
EOR
Load Accumulator with Memory Byte
LDA
Load Index Register with Memory Byte
LDX
Multiply
MUL
OR Accumulator with Memory Byte
ORA
Subtract Memory Byte and Carry Bit from Accumulator
SBC
Store Accumulator in Memory
STA
Store Index Register in Memory
STX
Subtract Memory Byte from Accumulator
SUB
15-hc05cpu
MOTOROLA
CPU
37
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