Freescale Semiconductor, Inc.
Instruction Set
12.4.1 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 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
Mnemonic
ADC
ADD
AND
BIT
Compare accumulator
CMP
CPX
Compare index register with memory byte
Exclusive OR accumulator with memory byte
Load accumulator with memory byte
Load Index register with memory byte
Multiply
EOR
LDA
LDX
MUL
ORA
OR accumulator with memory byte
Subtract memory byte and carry bit from
accumulator
SBC
Store accumulator in memory
STA
STX
SUB
Store index register in memory
Subtract memory byte from accumulator
Technical Data
158
MC68HC705C8A — Rev. 3
Instruction Set
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