Texas Instruments TMS320C2XX - Manual (Page 175)

ABS Absolute Value of Accumulator
7-22
Example 1 ABS
Before Instruction After Instruction
ACC X 1234h ACC 0 1234h
C C
Example 2 ABS
Before Instruction After Instruction
ACC X 0FFFFFFFFh ACC 0 1h
C C
Example 3 ABS ;(OVM = 1)
Before Instruction After Instruction
ACC X 80000000h ACC 0 7FFFFFFFh
C C
X 1
OV OV
Example 4 ABS ;(OVM = 0)
Before Instruction After Instruction
ACC X 80000000h ACC 0 80000000h
C C
X 1
OV OV