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MICROPROCESSOR INSTRUCTION REFERENCE->DAA
 DAA    Decimal Adjust A
Converts binary add of BCD characters into BCD format
Condition Code Register:
C  Set if BCD character of MSB > 9, not cleared if previously set   
V  Set on overflow, else cleared
Z  Set if result Zero, else cleared
N  Set if result Negative, else cleared
I  Not affected
H  Not affected
     
| Addressing mode | Assembler syntax | 
| Implied: | DAA |