Renesas SuperH SH-4A

Rev. 1.50, 10/04, page 34 of 448
Instruction Operation Instruction Code Privileged T Bit New
DT Rn Rn – 1 → Rn;
when Rn = 0, 1 → T
When Rn ≠ 0, 0 → T
0100nnnn00010000
— Comparison
result
—
EXTS.B Rm,Rn Rm sign-extended from
byte → Rn
0110nnnnmmmm1110
— — —
EXTS.W Rm,Rn Rm sign-extended from
word → Rn
0110nnnnmmmm1111
— — —
EXTU.B Rm,Rn Rm zero-extended from
byte → Rn
0110nnnnmmmm1100
— — —
EXTU.W Rm,Rn Rm zero-extended from
word → Rn
0110nnnnmmmm1101
— — —
MAC.L @Rm+,@Rn+ Signed,
(Rn) × (Rm) + MAC → MAC
Rn + 4 → Rn, Rm + 4 → Rm
32 × 32 + 64 → 64 bits
0000nnnnmmmm1111
— — —
MAC.W @Rm+,@Rn+ Signed,
(Rn) × (Rm) + MAC → MAC
Rn + 2 → Rn,
Rm + 2 → Rm
16 × 16 + 64 → 64 bits
0100nnnnmmmm1111
— — —
MUL.L Rm,Rn Rn × Rm → MACL
32 × 32 → 32 bits
0000nnnnmmmm0111
— — —
MULS.W Rm,Rn Signed,
Rn × Rm → MACL
16 × 16 → 32 bits
0010nnnnmmmm1111
— — —
MULU.W Rm,Rn Unsigned,
Rn × Rm → MACL
16 × 16 → 32 bits
0010nnnnmmmm1110
— — —
NEG Rm,Rn 0 – Rm → Rn
0110nnnnmmmm1011
— — —
NEGC Rm,Rn 0 – Rm – T → Rn,
borrow → T
0110nnnnmmmm1010
— Borrow —
SUB Rm,Rn Rn – Rm → Rn
0011nnnnmmmm1000
— — —
SUBC Rm,Rn Rn – Rm – T → Rn,
borrow → T
0011nnnnmmmm1010
— Borrow —
SUBV Rm,Rn Rn – Rm → Rn,
underflow → T
0011nnnnmmmm1011
— Underflow —