Texas Instruments TMS320C2XX - Manual (Page 179)

ADD Add to Accumulator
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Example 3 ADD #1h ;Add short immediate
Before Instruction After Instruction
ACC X 2h ACC 0 03h
C C
Example 4 ADD #1111h,1 ;Add long immediate with shift of 1
Before Instruction After Instruction
ACC X 2h ACC 0 2224h
C C