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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.> |