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Instruction
Head
Tall
Cycles
TBL(S/U) (Save)*
(CEA), On
1
1
3(0/1/0)
TBL(S/u) (Op)
(CEA), On
6
0
33-35(2X11/0)
TBLSN
On:Om,Op
30
0
30-34(0/2/0)
TBLSN (Save)*
(CEA), On
1
1
3(0/1/0)
TBLSN (Op)
(CEA), On
6
0
35-39(2X11/0)
TBLUN
On:Om,Op
30
0
34-40(0/2/0)
TBLUN (Save)*
(CEA), On
1
1
3(0/1/0)
TBLUN (Op)
(CEA), On
6
0
39-45(2X11/0)
X
=
There is one bus cycle for byte and word operands and two bus cycles for long
operands. For long bus cycles, add two clocks to the tail and to the number of
cycles.
<
=
Maximum time; certain data or mode combinations may execute faster.
su
=
The execution time is identical for signed or unsigned operands.
*These instructions have an additional save operation that other instructions do not have.
To calculate total instruction time, calculate save, (e a),
and operation
execution times, then combine in the order shown,
using
equations in
8.1.6 Instruction Execution TlmeCalculations. A save operation is not run for
long word divide and multiply instructions when (FEA)
=
On,
CPU32 REFERENCE MANUAL
INSTRUCTION EXECUTION
TIMING
MOTOROLA
8-19
E
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