Motorola DSP56000 Manual page 506

NEG
Instruction Format:
NEG D
Opcode:
23
Instruction Fields:
D d
A 0
B 1
Timing: 2+mv oscillator clock cycles
Memory: 1+mv program words
MOTOROLA
INSTRUCTION SET DESCRIPTIONS
Negate Accumulator
DATA BUS MOVE FIELD
OPTIONAL EFFECTIVE ADDRESS EXTENSION
INSTRUCTION SET DETAILS
8 7 4 3
0 0 1 1 d
NEG
0
1 1 0
A - 237