Texas Instruments TMS320C28x User Manual

CLRC OVC
6-70
CLRC OVC Clear Overflow Counter
SYNTAX OPTIONS OPCODE OBJMODE RPT CYC
CLRC OVC 0101 0110 0101 1100 1 − 1
Note: This instruction is an alias for the “ZAP OVC” operation.
Operands
OVC
Overflow counter bits in Status Register 0 (ST0)
Description Clear the overflow counter (OVC) bits in ST0.
Flags and
Modes
OVC
The 6-bit overflow counter bits (OVC) are cleared.
Repeat This instruction is not repeatable. If this instruction follows the RPT
instruction, it resets the repeat counter (RPTC) and executes only once.
Example
; Calculate: VarD = sat(VarA + VarB + VarC)
CLRC OVC ; Zero overflow counter
MOVL ACC,@VarA ; ACC = VarA
ADDL ACC,@VarB ; ACC = ACC + VarB
ADDL ACC,@VarC ; ACC = ACC + VarC
SAT ACC ; Saturate if OVC != 0
MOVL @VarD,ACC ; Store saturated result into VarD

Texas Instruments TMS320C28x Specifications

General

Brand	Texas Instruments
Model	TMS320C28x
Category	Processor
Language	English