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Rev. 5.00, 09/03, page 36 of 760
Classification Types
Operation
Code Function
No. of
Instructions
21 MUL Double-precision multiplication (32 × 32
bits)
33
Arithmetic
operations
(cont)
MULS Signed multiplication (16 × 16 bits)
MULU Unsigned multiplication (16 × 16 bits)
NEG Negation
NEGC Negation with borrow
SUB Binary subtraction
SUBC Binary subtraction with borrow
SUBV Binary subtraction with underflow check
6 AND Logical AND 14Logic
operations
NOT Bit inversion
OR Logical OR
TAS Memory test and bit set
TST Logical AND and T bit set
XOR Exclusive OR
Shift 12 ROTL One-bit left rotation 16
ROTR One-bit right rotation
ROTCL One-bit left rotation with T bit
ROTCR One-bit right rotation with T bit
SHAL One-bit arithmetic left shift
SHAR One-bit arithmetic right shift
SHLL One-bit logical left shift
SHLLn n-bit logical left shift
SHLR One-bit logical right shift
SHLRn n-bit logical right shift
SHAD Dynamic arithmetic shift
SHLD Dynamic logical shift