GForce Programming
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Effective Address Calculation Times
Addressing Mode
Byte, Word
Long
Dn
An
Data Register Direct
Address Register Direct
0(0/0)
0(0/0)
0(0/0)
0(0/0)
(An)
(An)+
Address Register Indirect
Address Register Indirect with Postincrement
4(1/0)
4(1/0)
8(2/0)
8(2/0)
(An)
(d16, An)
Address Register Indirect with Predecrement
Address Register Indirect with Displacement
6(1/0)
8(2/0)
10(2/0)
12(3/0)
(d8, An, Xn)*
(xxx).W
Address Register Indirect with Index
Absolute Short
10(2/0)
8(2/0)
14(3/0)
12(3/0)
(xxx).L
(d8, PC)
Absolute Long
Program Counter Indirect with Displacement
12(3/0)
8(2/0)
16(4/0)
12(3/0)
(d16, PC, Xn)*
# <data>
Program Counter Indirect with Index
Immediate
10(2/0)
4(1/0)
14(3/0)
8(2/0)

*The size of the index register (Xn) does not affect execution time.

Move Byte and Word Instruction Execution Times
Source
Dn
An
(An)
(An)+
–(An)
(d16, An)
(d8, An, Xn)*
(xxx).W
(xxx).L
Dn
An
(An)
4(1/0)
4(1/0)
8(2/0)
4(1/0)
4(1/0)
8(2/0)
8(1/1)
8(1/1)
12(2/1)
8(1/1)
8(1/1)
12(2/1)
8(1/1)
8(1/1)
12(2/1)
12(2/1)
12(2/1)
16(3/1)
14(2/1)
14(2/1)
18(3/1)
12(2/1)
12(2/1)
16(3/1)
16(3/1)
16(3/1)
20(4/1)
(An)+
(An)
(d16, An)
8(2/0)
10(2/0)
12(3/0)
8(2/0)
10(2/0)
12(3/0)
12(2/1)
14(2/1)
16(3/1)
12(2/1)
14(2/1)
16(3/1)
12(2/1)
14(2/1)
16(3/1)
16(3/1)
18(3/1)
20(4/1)
18(3/1)
20(3/1)
22(4/1)
16(3/1)
18(3/1)
20(4/1)
20(4/1)
22(4/1)
24(5/1)
(d8, An, Xn)*
(xxx).W
(xxx).L
14(3/0)
12(3/0)
16(4/0)
14(3/0)
12(3/0)
16(4/0)
18(3/1)
16(3/1)
20(4/1)
18(3/1)
16(3/1)
20(4/1)
18(3/1)
16(3/1)
20(4/1)
22(4/1)
20(4/1)
24(5/1)
24(4/1)
22(4/1)
26(5/1)
22(4/1)
20(4/1)
24(5/1)
26(5/1)
24(5/1)
28(6/1)
(d16, PC)
(d8, PC, Xn)*
# <data>
12(3/0)
14(3/0)
8(2/0)
12(3/0)
14(3/0)
8(2/0)

16(3/1)
18(3/1)
12(2/1)

16(3/1)
18(3/1)
12(2/1)
16(3/1)
18(3/1)
12(2/1)
20(4/1)
22(4/1)
16(3/1)
22(4/1)
24(4/1)
18(3/1)
20(4/1)
22(4/1)
16(3/1)
24(5/1)
26(5/1)
20(4/1)

*The size of the index register (Xn) does not affect execution time.

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GForce Programming