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LD Y
L
(Y) ← (M)
Op e r a t io n :
F u n c t io n :
This instruction loads the contents of M in Y.
St a t u s fla g : N :
V :
T :
B :
I :
D :
Z :
C :
Addressing mode
∆LDY∆#$nn
Immediate
∆LDY∆$zz
Zero page
∆LDY∆$zz,X
Zero page X
∆LDY∆$hhll
Absolute
∆LDY∆$hhll,X
Absolute X
70
D
OA
INDEX REGISTER
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
FROM MEMORY
Machine codes
Byte number
A0
, nn
16
16
A4
, zz
16
16
B4
, zz
16
16
AC
, ll
, hh
16
16
16
BC
, ll
, hh
16
16
16
LD Y
Cycle number
2
2
2
3
2
4
3
4
3
5
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