DSP编程指令集.docx

DSP编程指令集.docx

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DSP编程指令集

DSP编程指令全集2004.5完稿

ABS

AbsoluteValueofAccumulator

Ifthecontentsoftheaccumulatorarelessthanzero,replacethecontentswiththe2scomplementofthecontents.Ifthecontentsare.0,theaccumulatorisnotaffected.

ADCB

AddACCBtoAccumulatorWithCarry

AddthecontentsoftheACCBandthevalueofthecarrybittotheaccumulator.Iftheresultoftheadditiongeneratesacarryfromtheaccumulator’sMSB,thecarrybitissetto1.

ADDdma[,shift]

ADD{ind}[,shift[,nextARP]]

ADD#k

ADD#lk[,shift2]

AddtoAccumulatorWithShift

TMS320C1xandTMS320C2xdevices:

addthecontentsoftheaddresseddatamemorylocationtotheaccumulator;ifashiftisspecified,left-shiftthecontentsofthelocationbeforetheadd.Duringshifting,loworderbitsarezero-filled,andhigh-orderbitsaresign-extended.TMS320C2xxandTMS320C5xdevices:

addthecontentsoftheaddresseddatamemorylocationoranimmediatevaluetotheaccumulator;ifashiftisspecified,

left-shiftthedatabeforetheadd.Duringshifting,loworderbitsarezero-filled,andhigh-orderbitsaresign-extendedifSXM=1.

ADDB

AddACCBtoAccumulator

AddthecontentsoftheACCBtotheaccumulator.

ADDCdma

ADDC{ind}[,nextARP]

AddtoAccumulatorWithCarry

Addthecontentsoftheaddresseddatamemorylocationandthecarrybittotheaccumulator.

ADDHdma

ADDH{ind}[,nextARP]

AddHightoAccumulator

Addthecontentsoftheaddresseddatamemorylocationtothe16MSBsoftheaccumulator.TheLSBsarenotaffected.Iftheresultoftheadditiongeneratesacarry,thecarrybitissetto1.TMS320C2x,TMS320C2xx,andTMS320C5xdevices:

Iftheresultoftheadditiongeneratesacarryfromtheaccumulator’sMSB,thecarrybitissetto1.

ADDK#k

AddtoAccumulatorShortImmediate

TMS320C1xdevices:

Addan8-bitimmediatevaluetotheaccumulator.TMS320C2x,TMS320C2xx,andTMS320C5xdevices:

Addan8-bitimmediatevalue,right-justified,to

theaccumulatorwiththeresultreplacingtheaccumulatorcontents.Theimmediatevalueistreatedasan8-bitpositivenumber;signextensionissuppressed.

ADDSdma

ADDS{ind}[,nextARP]

AddtoAccumulatorWithSignExtensionSuppressed

Addthecontentsoftheaddresseddatamemorylocationtotheaccumulator.Thevalueistreatedasa16-bitunsignednumber;signextensionissuppressed.

ADDTdma

ADDT{ind}[,nextARP]

AddtoAccumulatorWithShiftSpecifiedbyTRegister

Left-shiftthecontentsoftheaddresseddatamemorylocationbythevalueinthe4LSBsoftheTregister;addtheresulttotheaccumulator.Ifashiftisspecified,leftshiftthedatabeforetheadd.Duringshifting,low-orderbitsarezero-filled,andhigh-orderbitsaresign-extendedifSXM=1.TMS320C2xxandTMS320C5xdevices:

Iftheresultof

theadditiongeneratesacarryfromtheaccumulator’sMSB,thecarrybitissetto1.

ADLK#lk[,shift]

AddtoAccumulatorLongImmediateWithShift

Adda16-bitimmediatevaluetotheaccumulator;ifashiftisspecified,left-shiftthevaluebeforetheadd.Duringshifting,low-orderbitsarezero-filled,andhighorderbitsaresign-extendedifSXM=1.

ADRK#k

AddtoAuxiliaryRegisterShortImmediate

Addan8-bitimmediatevaluetothecurrentauxiliaryregister.

ANDdma

AND{ind}[,nextARP]

AND#lk[,shift]

ANDWithAccumulator

TMS320C1xandTMS320C2xdevices:

ANDthecontentsoftheaddresseddatamemorylocationwiththe16LSBsoftheaccumulator.The16MSBsoftheaccumulatorareANDedwith0s.TMS320C2xxandTMS320C5xdevices:

ANDthecontentsoftheaddresseddatamemorylocationora16-bitimmediatevaluewiththecontentsoftheaccumulator.The16MSBsoftheaccumulatorareANDedwith0s.Ifashiftisspecified,left-shifttheconstantbeforetheAND.Low-orderbitsbelowandhigh-orderbitsabovetheshiftedvaluearetreatedas0s.

ANDB

ANDACCBtoAccumulator

ANDthecontentsoftheACCBtotheaccumulator.

ANDK#lk[,shift]

ANDImmediateWithAccumulatorWithShift

ANDa16-bitimmediatevaluewiththecontentsoftheaccumulator;ifashiftisspecified,left-shifttheconstantbeforetheAND.

APAC

AddPRegistertoAccumulator

AddthecontentsofthePregistertotheaccumulator.TMS320C2x,TMS320C2xx,andTMS320C5xdevices:

beforetheadd,left-shiftthecontentsofthePregisterasdefinedbythePMstatusbits.

APL[#lk],dma

APL[#lk,]{ind}[,nextARP]

ANDDataMemoryValueWithDBMRorLongConstant

ANDthedatamemoryvaluewiththecontentsoftheDBMRoralongconstant.Ifalongconstantisspecified,itisANDedwiththecontentsofthedatamemorylocation.Theresultiswrittenbackintothedatamemorylocationpreviouslyholdingthefirstoperand.Iftheresultis0,theTCbitissetto1;otherwise,theTCbitiscleared.

Bpma

Bpma[,{ind}[,nextARP]]

BranchUnconditionally

Branchtothespecifiedprogrammemoryaddress.TMS320C2xandTMS320C2xxdevices:

modifythecurrentARandARPasspecified.

B[D]pma[,{ind}[,nextARP]

BranchUnconditionallyWithOptionalDelay

ModifythecurrentauxiliaryregisterandARPasspecifiedandpasscontroltothedesignatedprogrammemoryaddress.Ifyouspecifyadelayedbranch（BD）,thenexttwoinstructionwords（two1-wordinstructionsorone2-wordinstruction）arefetchedandexecutedbeforebranching.

BACC

BranchtoAddressSpecifiedbyAccumulator

Branchtothelocationspecifiedbythe16LSBsoftheaccumulator.

BACC[D]

BranchtoAddressSpecifiedbyAccumulatorWithOptionalDelay

Branchtothelocationspecifiedbythe16LSBsoftheaccumulator.Ifyouspecifyadelayedbranch（BACCD）,thenexttwoinstructionwords（two1-wordinstructionsorone2-wordinstruction）arefetchedandexecutedbeforebranching.

BANZpma

BANZpma[,{ind}[,nextARP]]

BranchonAuxiliaryRegisterNotZero

Ifthecontentsofthe9LSBsofthecurrentauxiliaryregister（TMS320C1x）orthecontentsoftheentirecurrentauxiliaryregister（TMS320C2x）areπ0,branchtothespecifiedprogrammemoryaddress.TMS320C2xandTMS320C2xxdevices:

modifythecurrentARandARP（ifspecified）ordecrementthecurrentAR（default）.TMS320C1xdevices:

decrementthecurrentAR.

BANZ[D]pma[,{ind}[,nextARP]]

BranchonAuxiliaryRegisterNotZeroWithOptionalDelay

Ifthecontentsofthecurrentauxiliaryregisterareπ0,branchtothespecifiedprogrammemoryaddress.ModifythecurrentARandARPasspecified,ordecrementthecurrentAR.Ifyouspecifyadelayedbranch（BANZD）,thenexttwoinstructionwords（two1-wordinstructionsorone2-wordinstruction）arefetchedandexecutedbeforebranching.

BBNZpma[,{ind}[,nextARP]]

BranchonBitπZero

IftheTCbit=1,branchtothespecifiedprogrammemoryaddress.TMS320C2xdevices:

modifythecurrentARandARPasspecified.TMS320C2xxandTMS320C5xdevices:

ifthe–pporting

switchisused,modifythecurrentARandARPasspecified.

BBZpma[,{ind}[,nextARP]]

BBZpma

BranchonBit=Zero

IftheTCbit=0,branchtothespecifiedprogrammemoryaddress.TMS320C2xdevices:

modifythecurrentARandARPasspecified.TMS320C2xxandTMS320C5xdevices:

modifythe

currentARandARPasspecifiedwhenthe–pportingswitchisused.

BCpma[,{ind}[,nextARP]]

BCpma

BranchonCarry

IftheCbit=1,branchtothespecifiedprogrammemoryaddress.TMS320C2xdevices:

modifythecurrentARandARPasspecified.TMS320C2xxandTMS320C5xdevices:

modifythe

currentARandARPasspecifiedwhenthe–pportingswitchisused.

BCNDpma[cond1]

[,cond2][...]

BranchConditionally

Branchtotheprogrammemoryaddressifthespecifiedconditionsaremet.Notallcombinationsofconditionsaremeaningful.

BCND[D]pma[cond1]

[,cond2][...]

BranchConditionallyWithOptionalDelay

Branchtotheprogrammemoryaddressifthespecifiedconditionsaremet.Notallcombinationsofconditionsaremeaningful.Ifyouspecifyadelayedbranch（BCNDD）,thenexttwoinstructionwords（two1-wordinstructionsorone2-wordinstruction）arefetchedandexecutedbeforebranching.

BGEZpma

BGEZpma[,{ind}[,nextARP]]

BranchifAccumulator.Zero

Ifthecontentsoftheaccumulator.0,branchtothespecifiedprogrammemoryaddress.

TMS320C2xdevices:

modifythecurrentARandARPasspecified.TMS320C2xxandTMS320C5xdevices:

modifythecurrentARandARPasspecifiedwhenthe–pporting

switchisused.

BGZpma

BGZpma[,{ind}[,nextARP]]

BranchifAccumulator>Zero

Ifthecontentsoftheaccumulatorare>0,branchtothespecifiedprogrammemoryaddress.

TMS320C2xdevices:

modifythecurrentARandARPasspecified.TMS320C2xxandTMS320C5xdevices:

modifythecurrentARandARPasspecifiedwhenthe–pporting

switchisused.

BIOZpma

BIOZpma[,{ind}[,nextARP]]

BranchonI/OStatus=Zero

IftheBIOpinislow,branchtothespecifiedprogrammemoryaddress.TMS320C2xdevices:

modifythecurrentARandARPasspecified.TMS320C2xxandTMS320C5xdevices:

modifythecurrentARandARPasspecifiedwhenthe–pportingswitchisused.

BITdma,bitcode

BIT{ind},bitcode[,nextARP]

TestBit

CopythespecifiedbitofthedatamemoryvaluetotheTCbitinST1.

BITTdma

BITT{ind}[,nextARP]

TestBitSpecifiedbyTRegister

TMS320C1x,TMS320C2x,TMS320C2xxdevices:

copythespecifiedbitofthedatamemoryvaluetotheTCbitinST1.The4LSBsoftheTregisterspecifywhichbitiscopied.

TMS320C5xdevices:

copythespecifiedbitofthedatamemoryvaluetotheTCbitinST1.The4LSBsoftheTREG2specifywhichbitiscopied.

BLDD#lk,dma

BLDD#lk,{ind}[,nextARP]

BLDDdma,#lk

BLDD{ind},#lk[,nextARP]

BLDDBMAR,dma

BLDDBMAR,{ind}[,nextARP]

BLDDdmaBMAR

BLDD{ind},BMAR[,nextARP]

BLDPdma

BLDP