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MICROPROCESSOR INSTRUCTION REFERENCE->STD

STD    Store double accumulator

A -> M, B -> (M+1)

Condition Code Register:

C  Not affected
V  Reset Always
Z  Set if result Zero, else cleared
N  Set if result Negative, else cleared
I  Not affected
H  Not affected


    

Addressing mode	Assembler syntax
Direct:	STD <exprn.>
Index X:	STD <exprn.>,X
Index Y:	STD <exprn.>,Y
Extend:	STD <exprn.>