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MOTOROLA M68040 USER’S MANUAL 10-25
10.6 INTEGER UNIT INSTRUCTION TIMINGS (Continued)
MULS.W/L*MULU.W/L*NBCD
Addressing
Mode
<ea>
Calculate Execute <ea>
Calculate Execute <ea>
Calculate Execute
Dn 1 16/20 1 14/20 1 3
An ——————
(An) 1 16/20 1 14/20 1 2
(An)+ 1 16/20 1 14/20 1 2
–(An) 1 16/20 1 14/20 1 2
(d 16,An) 1/2 16/20 1/2 14/20 1 2
(d 16,PC) 3 2L + 16/2 L + 20 3 14/20
(xxx).W, (xxx).L 1/2 16/20 1/2 14/20 1 2
#<xxx> 1 16/20 1 14/20 —
(d 8,An,Xn) 3 18/22 3 16/22 3 4
(d 8,PC,Xn) 5 1L + 19/1L + 23 5 1L + 17/1L + 23
(BR,Xn) 6 1L + 20/1L + 24 6 1L + 18/1L + 24 6 1L + 6
(bd,BR,Xn) 7 1L + 21/1L + 25 7 1L + 19/1L + 25 7 1L + 7
([bd,BR,Xn]) 9 1L + 23/1L + 27 9 1L + 21/1L + 27 9 1L + 9
([bd,BR,Xn],od) 10 1L + 24/1L + 28 10 1L + 22/1L + 28 10 1L + 10
([bd,BR],Xn) 10 3L + 22/3L + 26 10 3L + 20/3L + 26 10 3L + 8
([bd,BR],Xn,od) 11 3L + 23/3L + 27 11 3L + 21/3L + 27 11 3L + 9
*Multiply <ea> calculate and execute times; T1/T2 apply to word/long-word operand size.
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