MOTOROLA
M68020 USER’S MANUAL
8- 27
WORST CASE (Continued)
Source
Destination
Address Mode
(d8,An,Xn) (d16,An,Xn)
(B)
(d16,B)
(d32,B)
([B],I)
([B],I,d16)
([B],I,D32)
Rn
9(0/1/1)
12(0/2/1)
10(0/1/1)
14(0/2/1)
19(0/2/1)
14(1/1/1)
17(1/2/1)
20(1/2/1)
#<data >.B,W
9(0/1/1)
12(0/2/1)
10(0/1/1)
14(0/2/1)
19(0/2/1)
14(1/1/1)
17(1/2/1)
20(1/2/1)
#<data >.L
11(0/1/1)
14(0/2/1)
12(0/1/1)
16(0/2/1)
21(0/2/1)
16(1/1/1)
19(1/2/1)
22(1/2/1)
(An)
11(1/1/1)
14(1/2/1)
12(1/1/1)
16(1/2/1)
21(1/2/1)
12(2/1/1)
19(2/2/1)
22(2/2/1)
(An)+
11(1/1/1)
14(1/2/1)
12(1/1/1)
16(1/2/1)
21(1/2/1)
12(2/1/1)
19(2/2/1)
22(2/2/1)
–(An)
12(1/1/1)
15(1/2/1)
13(1/1/1)
17(1/2/1)
22(1/2/1)
13(2/1/1)
20(2/2/1)
23(2/2/1)
(d 16,An) or
(d 16,PC)
13(1/2/1)
16(1/3/1)
14(1/2/1)
18(1/3/1)
23(1/3/1)
14(2/2/1)
21(2/3/1)
24(2/3/1)
(xxx).W
12(1/2/1)
15(1/3/1)
13(1/2/1)
17(1/3/1)
22(1/3/1)
13(2/2/1)
20(2/3/1)
23(2/3/1)
(xxx).L
14(1/2/1)
17(1/3/1)
15(1/2/1)
19(1/3/1)
24(1/3/1)
15(2/2/1)
22(2/3/1)
25(2/3/1)
(d 8,An,Xn) or
(d 8,PC,Xn)
15(1/2/1)
18(1/3/1)
16(1/2/1)
20(1/3/1)
25(1/3/1)
16(2/2/1)
23(2/3/1)
26(2/3/1)
(d 16,An,Xn) or
(d 16,PC,Xn)
16(1/2/1)
19(1/3/1)
17(1/2/1)
21(1/3/1)
26(1/3/1)
17(2/2/1)
24(2/3/1)
27(2/3/1)
(B)
16(1/2/1)
19(1/3/1)
17(1/2/1)
21(1/3/1)
26(1/3/1)
17(2/2/1)
24(2/3/1)
27(2/3/1)
(d 16,B)
19(1/2/1)
22(1/3/1)
20(1/2/1)
24(1/3/1)
29(1/3/1)
20(2/2/1)
27(2/3/1)
30(2/3/1)
(d 32,B)
23(1/3/1)
26(1/4/1)
24(1/3/1)
28(1/4/1)
33(1/4/1)
24(2/3/1)
31(2/4/1)
34(2/4/1)
([B],I)
20(2/2/1)
23(2/3/1)
21(2/2/1)
25(2/3/1)
30(2/3/1)
21(3/2/1)
28(3/3/1)
31(3/3/1)
([B],I,d 16)
23(2/2/1)
26(2/3/1)
24(2/2/1)
28(2/3/1)
33(2/3/1)
24(3/2/1)
31(3/3/1)
34(3/3/1)
([B],I,d 32)
24(2/3/1)
27(2/4/1)
25(2/3/1)
29(2/4/1)
34(2/4/1)
25(3/3/1)
32(3/4/1)
35(3/4/1)
([d16,B],I)
23(2/2/1)
26(2/3/1)
24(2/2/1)
28(2/3/1)
33(2/3/1)
24(3/2/1)
31(3/3/1)
34(3/3/1)
([d16,B],I,d16)
26(2/3/1)
29(2/4/1)
27(2/3/1)
31(2/4/1)
36(2/4/1)
27(3/3/1)
34(3/4/1)
37(3/4/1)
([d16,B],I,d32)
27(2/3/1)
30(2/4/1)
28(2/3/1)
32(2/4/1)
37(2/4/1)
28(3/3/1)
35(3/4/1)
38(3/4/1)
([d32,B],I)
27(2/3/1)
30(2/4/1)
28(2/3/1)
32(2/4/1)
37(2/4/1)
28(3/3/1)
35(3/4/1)
38(3/4/1)
([d32,B],I,d16)
29(2/3/1)
32(2/4/1)
30(2/3/1)
34(2/4/1)
39(2/4/1)
30(3/3/1)
37(3/4/1)
40(3/4/1)
([d32,B],I,d32)
31(2/4/1)
34(2/5/1)
32(2/4/1)
36(2/5/1)
41(2/5/1)
32(3/4/1)
39(3/5/1)
42(3/5/1)
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