MC68HC05P18 Datasheet, PDF (111/144 Pages) Freescale Semiconductor, Inc – Advance Information

Freescale Semiconductor, Inc.
12.4 Instruction Types
The MCU instructions fall into five categories:
• Register/memory instructions
• Read-modify-write instructions
• Jump/Branch instructions
• Bit manipulation instructions
• Control instructions
Instruction Set
Instruction Types
12.4.1 Register/Memory Instructions
Most of these instructions use two operands. One operand is in either
the accumulator or the index register. The CPU finds the other operand
in memory. Table 12-1 lists the register/memory instructions.
Table 12-1. Register/Memory Instructions
Instruction
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
Mnemonic
ADC
ADD
AND
BIT
CMP
CPX
EOR
LDA
LDX
MUL
ORA
SBC
STA
STX
SUB
MC68HC(8)05P18 — Rev. 2.0
MOTOROLA
Instruction Set
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Advance Information
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