Section 2 CPU
Rev. 3.00 Sep. 27, 2007 Page 36 of 758
REJ09B0243-0300
The instruction code, operation, and execution cycles of the instructions are listed in the following
tables, classified by type.
Instruction Instruction
Code
Summary of
Operation
Execution
Cycles
T Bit
Indicated by mnemonic.
Explanation of Symbols
OP.Sz SRC, DEST
OP: Operation
code
Sz: Size
SRC: Source
DEST: Destination
Rm: Source register
Rn: Destination
register
imm: Immediate data
disp: Displacement
*
2
Indicated in MSB
↔
LSB order.
Explanation of Symbols
mmmm: Source register
nnnn: Destination
register
0000:
R0
0001:
R1
.........
1111:
R15
iiii: Immediate
data
dddd: Displacement
Indicates summary of
operation.
Explanation of Symbols
→
,
←
: Transfer
direction
(xx): Memory
operand
M/Q/T: Flag bits in SR
&: Logical AND of each bit
|: Logical OR of each bit
^: Exclusive logical OR of
each
bit
–: Logical NOT of each bit
<<n: n-bit left shift
>>n: n-bit right shift
Value when no
wait cycles are
inserted
*
1
Value of T bit after
instruction is executed
Explanation of Symbols
: No change
Notes: 1. The table shows the minimum number of execution states. In practice, the number of
instruction execution states will be increased in cases such as the following:
•
When there is contention between an instruction fetch and a data access
•
When the destination register of a load instruction (memory
→
register) is also used
by the following instruction
2. Scaled
(
×
1,
×
2, or
×
4) according to the instruction operand size, etc.
For details, see SH-1/SH-2/SH-DSP Software Manual.
Summary of Contents for SH7124 R5F7124
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Page 8: ...Rev 3 00 Sep 27 2007 Page viii of xx ...
Page 36: ...Section 1 Overview Rev 3 00 Sep 27 2007 Page 16 of 758 REJ09B0243 0300 ...
Page 68: ...Section 2 CPU Rev 3 00 Sep 27 2007 Page 48 of 758 REJ09B0243 0300 ...
Page 108: ...Section 5 Exception Handling Rev 3 00 Sep 27 2007 Page 88 of 758 REJ09B0243 0300 ...
Page 166: ...Section 7 User Break Controller UBC Rev 3 00 Sep 27 2007 Page 146 of 758 REJ09B0243 0300 ...
Page 724: ...Section 20 List of Registers Rev 3 00 Sep 27 2007 Page 704 of 758 REJ09B0243 0300 ...
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