SH7708 Datasheet, PDF (51/625 Pages) Renesas Technology Corp – SuperH™ RISC engine

Table 2.7 Arithmetic Instructions (cont)
Instruction
Operation
Code
Privileged
Mode
Cycles T Bit
NEG Rm,Rn
0–Rm → Rn
0110nnnnmmmm1011 —
1
—
NEGC Rm,Rn
0–Rm–T → Rn,
Borrow → T
0110nnnnmmmm1010 —
1
Borrow
SUB Rm,Rn
Rn–Rm → Rn
0011nnnnmmmm1000 —
1
—
SUBC Rm,Rn
Rn–Rm–T → Rn,
Borrow → T
0011nnnnmmmm1010 —
1
Borrow
SUBV Rm,Rn
Rn–Rm → Rn,
Underflow → T
0011nnnnmmmm1011 —
1
Underflow
Note: The normal number of execution cycles is shown. The value in parentheses is the number of
cycles required in case of contention with the preceding or following instruction.
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