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PH A
PH A
P
H A
US
CCUMULATOR ON STACK
(M(S)) ← (A)
Op e r a t io n :
(S) ← (S) – 1
F u n c t io n :
This instruction pushes the contents of A to the memory
location designated by S, and decrements the contents of S by
one.
St a t u s fla g :
No change
Addressing mode
Statement
Machine codes
Byte number
Cycle number
∆PHA
Implied
48
1
3
16
75
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