Texas Instruments TMS320C28x Reference Manual page 352

Repeat
Example
; Calculate:
; if( VarA > 20 )
;
CMP
MOVB
This instruction is not repeatable. If this instruction follows the RPT
instruction, it resets the repeat counter (RPTC) and executes only once.
VarA = 0;
@VarA,#20
@VarA,#0,GT
; Set flags on (VarA − 20)
; Zero VarA if greater then
MOVB loc16,#8bit,COND
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