Commodore 64 - 6. SPRITE GRAPHICS

LDA
Load Accumulator with Memory
Operation: M -> A
XZCIDV
yy
-----
Addressing
Mode
Assembly Language
Form
OP
CODE
No.
Bytes
No.
Cycles
Immediate LDA
# d d
A9 2 2
Zero Page
LDA
aa A5
2
3
Zero Page, X
LDA aa,X
B5
2
4
Absolute
LDA
aaaa
AD
3
4
Absolute, X
LDA aaaa,X
BD 3
4*
Absolute, Y
LDA aaaa,Y
B9
3
4*
(Indirect, X)
LDA (aa,X) A1
2
6
(Indirect), Y LDA (aa),Y B1
2
5*
•A dd 1 if page boundary is crossed.
LDX
Load Index X with Memory
Operation: M -> X
N ZC I DV
y y
-----
Addressing
Mode
Assembly Language
Form
OP
CODE
No.
Bytes
No.
Cycles
Immediate
LDX
# d d
A2 2
2
Zero Page
LDX aa A6
2
3
Zero Page, Y
LDX
aa,Y B6
2
4
Absolute
LDX aaaa A E
3
4
Absolute, Y
LDX
aaaa,Y
BE 3 4*
•A dd 1 when page boundary is crossed.
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