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MICROPROCESSOR INSTRUCTION REFERENCE->SBA

SBA    Subtract Accumulators

A - B -> A

Condition Code Register:

C  Set if carry generated, else cleared
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:	SBA