cdetectcdetectb例程b在cdetectasm文件中

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1、;;Filename:ALL96.ASM;;Author:CarlNuzman,HemanthSampath,HaydenMetz,ChrisBuehler,;JonasKeating;Date:;Lastrevision:;;*********************************************************************;;Description:Mainprogram:dataandcontrolfortheentirereceiver;;Algorithm:Thereceiverisconsideredastatemachine

2、.Eachstateis;definedbythesubroutinesstoredinajumptable.Theprogram;cyclesthroughthesubroutinesatthesamplingrate,7200Hz.;Thereceiverchangesfromonestatetothenextbyrewritingthe;jumptable.Thestatechangesoccurwhenatimingcountergets;tozeroorinresponsetosignalsfromthetransmitter.;;Thisfilealsoconta

3、instwointerruptroutines.;INT1isusedincommunicatingbetweenthePCandtheEVM.;XINT,thetransmitinterrupt,isusedtosampletheincoming;analogsignalatthesamplerateandcontrolsamplingclock.;;*********************************************************************;*******************************************

4、***********************;DESCRIPTIONOFRESERVEDAUXILARYREGISTERS;;Thefollowingauxilaryregistersmaynotbemodifiedbyany;routineotherthanxint:;;AR3-runningcount2,1,0,whichkeepstrackofwhereweareinabaud.;AR5-usedbyinterrupt(xint)towritetoinpbuffer.;;Allotherauxregistersmaybemodifiedbyanyroutine.Eac

5、h;routineisresponsableforsavingandrestoringauxilaryregister;contentsbetweencalls.;;*******************************************************************;DATAFORMATNOTATION;;Thepositionofthebinarypointinourdataisindicatedwith;thefollowingnotation:;x:y:zindicatesthattherearexsignbits,yintegerbi

6、ts,and;zfractionalbits.;;Examples:;;Form1:1:15meansthatthevariablehas1signbit,1integerbit;and15fractionalbits.;;Form1:5:10meansthatthevariablehas1signbit,5integerbits;and10fractionalbits.;*********************************************************************.includemacros.inc;subroutines.glo

7、balsym_clock.globalslicer.globaldecode.globalequalize.globaleq_adapt;dualaccessintprogvariables.globalhr1.globalhr2.globalhr3.globalhrend.globalhi1.globalsintab;mainvariables.globalinpbuffer.globalendbuffer;symclockvariables.globalNL.globalNH.globalTEMP0