| Instruction | Mnewmonic | Description | Flags CCR | 
|---|---|---|---|
| ABX | ABX | Add Accumulator 8 to Index Register X Unsigned | None | 
| ADC | ADCA, ADCB | Add Memory Plus Carry to Accumulator A or B | H,N,Z,V,C | 
| ADD | ADDA, ADDB, ADDD | Add Memory to Accumulator | H,N,Z,V,C | 
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