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10-28 M68040 USER’S MANUAL MOTOROLA
10.6 INTEGER UNIT INSTRUCTION TIMINGS (Concluded)
TAS *
Addressing
Mode
<ea>
Calculate Execute <ea>
Calculate Execute <ea>
Calculate Execute
Dn 1 2
An — —
(An) 26 2L + 24
(An)+ 26 2L + 24
–(An) 26 2L + 24
(d 16,An) 26 2L + 24
(d 16,PC) — —
(xxx).W, (xxx).L 26 2L + 24
#<xxx> — —
(d 8,An,Xn) 27 27
(d 8,PC,Xn) —
(BR,Xn) 30 1L + 28
(bd,BR,Xn) 31 1L + 29
([bd,BR,Xn]) 33 33
([bd,BR,Xn],od) 35 34
([bd,BR],Xn) 34 3L + 31
([bd,BR],Xn,od) 36 3L + 32
*Times listed are typical. This instruction interlocks the <ea> calculate and execute stages and synchronizes some
portions of the processor before execution.
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