TY A
T
RANSFER INDEX REGISTER
(A) ← (Y)
Op e r a t io n :
F u n c t io n :
This instruction stores the contents of Y in A.
St a t u s fla g :
N :
V:
T:
B:
I:
D:
Z:
C:
Addressing mode
∆TYA
Implied
100
N is 1 when bit 7 is 1 after the operation; otherwise N
is 0.
No change
No change
No change
No change
No change
Z is 1 when the operation result is 0; otherwise Z is 0.
No change
Statement
Y
A
TO
CCUMULATOR
Machine codes
Byte number
98
16
TY A
Cycle number
1
2