smult.vhd

Xilinx Ise 官方源代码盘 第四章

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@ER--RbBF$osHE50RO42RgRgU1b$MDHHO0R$,Q3MO
R--RDqDRosHER0#sCC#s8PC3-
-

---1-RHCoM8kRvDb0HDsHCR0IHEHRbbkCLV5#RHOMRNR#CFbVRHDbCHMMHo-2
-NRas0oCRX:RHMDHG-
-
H
DLssN$CRHCRC;
Ck#RCHCC03#8F_Do_HO4c4n3DND;D

HNLssP$RHCs0Gk;
#PCRHCs0GF3OlMbFC#M03DND;D

HNLss#$R$DMbH;V$
Ck#RM#$bVDH$03N0LsHk#0C3DND;C

M00H$HRwsu#0skF8OR0#HS#
oCCMs5HO
ISSHE80qRR:HCM0o;Cs
ISSHE80ARR:HCM0o
CsS
2;SsbF0
R5SRSqRH:RM#RR0D8_FOoH_OPC05FsI0H8E4q-RI8FMR0Fj
2;SRSARH:RM#RR0D8_FOoH_OPC05FsI0H8E4A-RI8FMR0Fj
2;SASqRF:Rk#0R0D8_FOoH_OPC05FsI0H8EIA*HE80qR-48MFI0jFR2S
S-A-RRq*R
;S2
8CMRswH#s0uFO8k0
#;
ONsECH0Os0kCsRNORE4FwVRH0s#u8sFk#O0R
H#
RRR#MHoNNDR_GNkR#:R0D8_FOoH_OPC05FsI0H8E4q-RI8FMR0Fj
2;R#RRHNoMD_RLNRkG:0R#8F_Do_HOP0COFIs5HE80AR-48MFI0jFR2L;
CMoH
FSVs8NMqV:RFHsRNMRHR0jRFHRI8q0E-o.RCsMCN
0CSFSVs8NMAV:RFHsRLMRHR0jRFHRI8A0E-o.RCsMCN
0CSqSSAH5I8A0E*RHN+LRH2=R<RHN5NN2RML8R52HL;S
SCRM8oCCMsCN0RsVFNAM8;S
SHCV_JH:RVHR5NRR=jo2RCsMCN
0CSqSSAH5I8A0E-R42<N=R5Rj2NRM8LH5I8A0E-;42
CSSMo8RCsMCNR0CHCV_JS;
S_HVM:CJRRHV5RHN/j=R2CRoMNCs0SC
SASq58IH0*EAHIN+HE80A2-4RR<=50MFRHN5NR22NRM8LH5I8A0E-;42
CSSMo8RCsMCNR0CHMV_C
J;S8CMRMoCC0sNCFRVs8NMqS;
VNFsM:8ARsVFRRHLHjMRRR0FI0H8E.A-RMoCC0sNCS
SqIA5HE80AI*5HE80q2-4RH+RL<2R=5RNI0H8E4q-2MRN8MR5FL0R52HL2S;
CRM8oCCMsCN0RsVFNAM8;S
SqIA5HE80AI*5HE80q2-4RI+RHE80A2-4RR<=NH5I8q0E-R42NRM8LH5I8A0E-;42
8CMRONsE
4;
LDHs$NsRCHCC
;RkR#CHCCC38#0_oDFH4O_43ncN;DD
Ck#RCHCC03#8F_Do_HOkHM#o8MC3DND;D

HNLssP$RHCs0Gk;
#PCRHCs0GF3OlMbFC#M03DND;D

HNLss#$R$DMbH;V$
Ck#RM#$bVDH$03N0LsHk#0C3DND;C

M00H$8RN8osCR
H#SMoCCOsH5S
SI0H8E:RRR0HMCsoC;S
SI0H8E:qRR0HMCsoC;S
SHCM8G:RRR0HMCsoC;S
SMLklC:sRR0HMCsoC;S
SsRCoR:RRR0HMCsoCRR--hCNlRRFV0RECDCCPD2
S;b
SFRs05S
SBRHM:MRHR8#0_oDFH
O;SRSqRRR:H#MR0D8_FOoH_OPC05FsI0H8ER-48MFI0jFR2S;
SRARRH:RM0R#8F_Do_HOP0COFIs5HE80-84RF0IMF2Rj;S
SsRC#:kRF00R#8F_Do_HOP0COFIs5HE80-84RF0IMF2Rj
;S2
0SN0LsHkR0C\N3sMR	\:MRH0CCosR;
RNRR0H0sLCk0Rs\3CPlFCF_M_sINM:\RR0HMCsoC;M
C88RN8osC;N

sHOE00COkRsCNEsO4VRFR8N8sRCoHR#
RHR#oDMNR#sCkRD0:0R#8F_Do_HOP0COFIs5HE80-84RF0IMF2Rj;C
Lo
HMS#sCkRD0<q=RRA+RRO+RH
M;S_HVjH:RVHR5MG8CR4>R2CRoMNCs0
CRSFSVsFDFbRj:VRFsHMRHR0jRFHRI8q0E-o4RCsMCN
0CSNSS0H0sLCk0Rs\3N\M	RRFVs#CoRD:RNDLCRRH#s;Co
SSSNs00H0LkC3R\sFClPMC_FN_IsRM\FsVRCRo#:NRDLRCDH4#R;S
SLHCoMS
SSosC#b:RHLbCkSV
SbSSFRs0l5Nb
SSSSQSSRR=>skC#DH052S,
SSSSS=mR>CRs#25H
SSSS
2;SMSC8CRoMNCs0VCRFFsDF;bj
MSC8CRoMNCs0RCRHjV_;S

H4V_:VRHRM5H8RCG=2R4RMoCC0sNCSR
SsVFDbFF.V:RFHsRRRHMjFR0R8IH0-Eq4CRoMNCs0SC
S0SN0LsHkR0C\N3sMR	\FsVRCqo#RD:RNDLCRRH#s;Co
SSSNs00H0LkC3R\sFClPMC_FN_IsRM\FsVRCqo#RD:RNDLCRRH#4S;
SoLCHSM
SCSso:#qRbbHCVLk
SSSSsbF0NRlbS5
SSSSS=QR>CRs#0kD5,H2
SSSSmSSRR=>s5C#HS2
S2SS;S
SCRM8oCCMsCN0RsVFDbFF.S;
CRM8oCCMsCN0RVRH_
4;
VSH_R.:H5VR.M*H8RCG=kRMlsLC2CRoMNCs0
CRSFSVsFDFbRd:VRFsHMRHR8IH0REq0IFRHE80-o4RCsMCN
0CSNSS0H0sLCk0Rs\3N\M	RRFVs#CoARR:DCNLD#RHRosC;S
SS0N0skHL0\CR3lsCF_PCMIF_N\sMRRFVs#CoARR:DCNLD#RHR
4;SCSLo
HMSsSSCAo#:HRbbkCLVS
SSFSbsl0RN
b5SSSSSRSQ=s>RCD#k025H,S
SSSSSm>R=R#sC5
H2SSSS2S;
S8CMRMoCC0sNCFRVsFDFb
d;S8CMRMoCC0sNCHRRV;_.
H
SV:_dRRHV5H.*MG8CRM<RkClLso2RCsMCNR0C
VSSFFsDF:bcRsVFRHHRMHRI8q0ERR0FI0H8ER-4oCCMsCN0
SSSNs00H0LkC3R\s	NM\VRFRosC#:BRRLDNCHDR#CRsoS;
S0SN0LsHkR0C\C3slCFP__MFIMNs\VRFRosC#:BRRLDNCHDR#;R4
LSSCMoH
SSSs#CoBb:RHLbCkSV
SbSSFRs0l5Nb
SSSSQSSRR=>skC#DH052S,
SSSSS=mR>CRs#25H
SSSS
2;SMSC8CRoMNCs0VCRFFsDF;bc
MSC8CRoMNCs0RCRHdV_;M
C8sRNO;E4
H
DLssN$CRHCRC;
Ck#RCHCC03#8F_Do_HO4c4n3DND;#
kCCRHC#C30D8_FOoH_HNs0NE3D
D;kR#CHCCC38#0_oDFHkO_Mo#HM3C8N;DD
H
DLssN$HRPsG0C;#
kCHRPsG0C3lOFbCFMM30#N;DD
M
C0$H0RFVDFHsR#S
SoCCMsRHO5S
SSHSI8Q0Eh:RRR0HMCsoCRR:=g
j;SSSSI0H8EamzRH:RMo0CC:sR=cR6;S
SSkSMlsLCR:RRR0HMCsoCRR:=6S;
SISSHE80qRRR:MRH0CCos=R:R
6;SSSSHCM8GRRRRRR:HCM0oRCs:
=4S;S2
bSSFRs05S
SSMSQbRk0RR:RH#MR0D8_FOoH_OPC05FsI0H8E-Qh4FR8IFM0R;j2
SSSS0mkbRk0:kRF00R#8F_Do_HOP0COFIs5HE80m-za4FR8IFM0R
j2S;S2
NSS0H0sLCk0Rs\3N\M	RH:RMo0CC
s;S0SN0LsHkR0C\C3slCFP__MFIMNs\RR:HCM0o;Cs
8CMRFVDF
s;
ONsECH0Os0kCsRNORE4FVVRDsFFRRH#
RRRRlOFbCFMMN0R8C8soR
SRMoCCOsHRS5
RSRSI0H8E:RRR0HMCsoC;R
SRISSHE80qRR:HCM0o;Cs
RSRSMSH8RCGRH:RMo0CC
s;SSRRSlMkLRCs:MRH0CCosS;
SCSsoRRRRH:RMo0CC-sR-NRhlFCRVER0CCRDP
CDS2RR;R
SRsbF0
R5SHSBMRR:H#MR0D8_FOoH;S
SqRRR:MRHR8#0_oDFHPO_CFO0sI5RHE80-84RF0IMF2Rj;S
SARRR:MRHR8#0_oDFHPO_CFO0sI5RHE80-84RF0IMF2Rj;S
SsRC#:kRF00R#8F_Do_HOP0COFIs5HE80-84RF0IMF2Rj
RSR2R;
RMRC8FROlMbFC;M0
0
S$RbC#VEH0N_0LRDCHN#Rs$sNRk5MlsLC/8.RF0IMF2RjRRFVHCM0o;Cs
V
Sk0MOHRFM#VEH0sxCFM5H8RCG:MRH0CCoss2RCs0kMER#H_V00DNLC#RH
PSSNNsHLRDC#b0CRH:RMo0CC
s;SNSPsLHND0CRNCLD_sPNRRR:#VEH0N_0L;DC
CSLo
HMS0S#C:bR=;R4
VSSFHsRRRHM4FR0R8HMC4G-RFDFbS
SSC#0b=R:RC#0bRR*.S;
S8CMRFDFbS;
SsVFRHHRMRRj0MFRkClLsR/.DbFF
SSS0DNLCN_Ps25HRR:=#b0CR5*R.+*H4
2;SMSC8FRDF
b;SCSs0MksRL0NDPC_N
s;S8CMRH#EVC0xs
F;
FSOMN#0MD0RCEMo0RR:HCM0oRCs:I=RHE80QMM/kClLsS;
O#FM00NMR8IH0REA:MRH0CCos=R:RMDCoRE0-HRI8q0E;S

O#FM00NMRH#EV80N8RCs:ER#H_V00DNLC=R:RH#EVC0xsHF5MG8C2
;
LHCoMV
SFFsDF4b_:FRVsRR[H4MRRR0FMLklC.s/RMoCC0sNCL
SCMoH
RSRRosC#Rq:Ns88CSo
RoRRCsMCHlORN5bR
ISSHE80RR=>DoCME#0-E0HVNC88s-5[442-,S
SI0H8E=qR>HRI8q0E,S
SHCM8G>R=R
[,SkSMlsLCRR=>MLklC
s,SCSsoRRR=H>RMG8C
RSRRS2
RbRRFRs0l5Nb
RSRRRSRBRHM=Q>RM0bk5MDCo*E05[.*-242,SR
RRRRRRRq=Q>RM0bk5MDCo*E05[.*--424FR8IFM0RMDCo*E0.[*5-+42#VEH08N8C[s5-+424
2,SRRRRARRRR=>QkMb0C5DM0oE*[.*-84RF0IMFCRDM0oE**5.[2-4+H#EV80N85Cs[2-4+,42
RSRRRRRsRC#=m>Rkk0b0C5DM0oE*4[-RI8FMR0FDoCME50*[2-4+H#EV80N85Cs[2-4+
42SRRR2S;
R-RR-NROsRs$VRFs0RECM0CGRFVDFSs
SsVFDbFF_Rj:VRFsHMRHR0jRFER#HNV08s8C54[-2E-#HNV08s8C5Rj2oCCMsCN0
RRRSRRRSkSm00bk5MDCo*E054[-2H+R2=R<R''j;S
SCRM8oCCMsCN0RsVFDbFF_
j;
RSRRR--NCDsNR8$oCCMsCN08S
SVDFsF_FbNV:RFHsRRRHMjFR0RH#EV80N85Csj42-RMoCC0sNCS
SS0N0skHL0\CR3MsN	F\RVCRso:#RRLDNCHDR#MRH8;CG
SSSNs00H0LkC3R\sFClPMC_FN_IsRM\FsVRCRo#:NRDLRCDH4#R;S
SLHCoMS
SSosC#b:RHLbCkSV
SSSSb0FsRblN5S
SSSSSS=QR>MRQb5k0DoCME.0**-5[4#2+E0HVNC88s-5[4#2-E0HVNC88s25j+H4+2S,
SSSSSRSm=m>Rkk0b0C5DM0oE*-5[4H2++H#EV80N85Cs[2-4-H#EV80N85Csj42+2S
SSSSSS
2;SMSC8CRoMNCs0VCRFFsDFNb_;S

CRM8oCCMsCN0RsVFDbFF_
4;
VSH_k#F#RN:H5VRMLklClsRF.8RR4=R2CRoMNCs0SC
S0N0skHL0\CR3MsN	F\RVCRsosONsR$#:NRDLRCDHH#RMG8C;S
SNs00H0LkC3R\sFClPMC_FN_IsRM\FsVRCNoOs#s$RD:RNDLCRRH#4S;
LHCoMR
SRFRVsFDFb:_dRsVFRHHRMRR40RFRDoCME#0-E0HVNC88sk5MlsLC/-.24E+#HNV08s8C5Rj2oCCMsCN0
NSS0H0sLCk0Rs\3N\M	RRFVs#CoRD:RNDLCRRH#HCM8GS;
S0N0skHL0\CR3lsCF_PCMIF_N\sMRRFVs#CoRD:RNDLCRRH#4S;
RLRRCMoH
RSRRRRRs#Co:HRbbkCLVR
SRRRRRsbF0NRlbS5
RRRRRRRRR=QR>MRQb5k0I0H8E-QhH
2,SRRRRRRRRRRm=m>Rkk0b0H5I8m0EzHa-2R
SRRRRR
2;SRRRCRM8oCCMsCN0RsVFDbFF_
d;SRRRsOCoN$ss#b:RHLbCkSV
RRRRRFRbsl0RN
b5SRRRRRRRRRRQ=Q>RM0bk58IH0hEQ-MDCo2E0,R
SRRRRRRRRm>R=R0mkb5k0I0H8Eamz-MDCo2E0
RSRRRRR2S;
RmRRkk0b0H5I8m0EzDa-CEMo0E+#HNV08s8C5lMkL/Cs.#2-E0HVNC88s25jRI8FMR0FI0H8Eamz-MDCo+E04<2R=SR
SSSSQkMb0H5I8Q0EhC-DM0oE+H#EV80N85CsMLklC.s/2E-#HNV08s8C5Rj28MFI0IFRHE80QDh-CEMo02+4;SR
CRM8oCCMsCN0R_HV##FkNC;
MN8Rs4OE;D

HNLssH$RC;CCR#
kCCRHC#C30D8_FOoH_n44cD3NDk;
#HCRC3CC#_08DHFoOs_NH30EN;DD
Ck#RCHCC03#8F_Do_HOkHM#o8MC3DND;D

HNLssP$RHCs0Gk;
#PCRHCs0GF3OlMbFC#M03DND;C

M00H$DRVF_FsNC88s#RH
oSSCsMCH5OR
SSSS8IH0hEQRRR:HCM0oRCs:g=RjS;
SISSHE80mRza:MRH0CCos=R:R;6c
SSSSlMkLRCsRRR:HCM0oRCs:6=R
2SS;S
Sb0FsRS5
SQSSM0bkRRR:RRHM#_08DHFoOC_POs0F58IH0hEQ-84RF0IMF2Rj;S
SSkSm00bkRF:Rk#0R0D8_FOoH_OPC05FsI0H8Eamz-84RF0IMF2Rj
2SS;M
C8DRVF_FsNC88s
;
NEsOHO0C0CksRONsEF4RVDRVF_FsNC88s#RHRO
SF0M#NRM0DoCME:0RR0HMCsoCRR:=I0H8E/QMMLklC
s;LHCoMV
SFFsDF4b_:FRVsRR[H4MRRR0FMLklC.s/RMoCC0sNCS
Smbk0kD05CEMo0-*[4FR8IFM0RMDCo*E054[-22+4RR<=RbQMkD05CEMo0.*5*4[-2R-48MFI0DFRCEMo0**.54[-22+4
SSSSSSSSSSSSRRR+MRQb5k0DoCME.0**4[-RI8FMR0FDoCME50*.-*[442+2S
SSSSSSSSSSRSRRQ+RM0bk5MDCo*E05[.*-242;S

S0mkb5k0DoCME50*[2-42=R<R''j;C
SMo8RCsMCNR0CVDFsF_Fb4
;
S_HV##FkNH:RVMR5kClLsFRl8RR.=2R4RMoCC0sNCS
Smbk0kI05HE80m-za4FR8IFM0R8IH0zEmaC-DM0oE2=R<RbQMkI05HE80Q4h-RI8FMR0FI0H8E-QhDoCME;02RC
SMo8RCsMCNR0CH#V_FNk#;C

MN8Rs4OE;D

HNLssH$RC;CCR#
kCCRHC#C30D8_FOoH_n44cD3NDk;
#HCRC3CC#_08DHFoOs_NH30EN;DD
Ck#RCHCC03#8F_Do_HOkHM#o8MC3DND;C

M00H$8RN8aCss.CCR
H#SMoCCOsH5S
SI0H8E:qRR0HMCsoC;S
SI0H8E:ARR0HMCsoC;S
S0CsCR:RRR0HMCsoC
;S2
FSbs50R
qSS,lRq,RRA:MRHR8#0_oDFH
O;SASqRRR:H#MR0D8_FOoH_OPC05FsI0H8EIA*HE80qR-48MFI0jFR2S;
SFbs80kORF:Rk#0R0D8_FOoH_OPC05FsI0H8EIA+HE80qR-48MFI0jFR2S
S-A-RRq*R
;S2
8CMR8N8CssaC;C.
NR
sHOE00COkRsCNEsO4VRFR8N8CssaCRC.HR#
RFROMN#0M00REHCEo:ERR8#0_oDFHPO_CFO0s654RI8FMR0Fj:2R=mRBh1e_ap7_mBtQ_Be a5m)I0H8E4q-,nR42R;
RFROlMbFCRM0VFDFsR
RRRRRoCCMsRHO5S
SS8IH0hEQRRR:HCM0oRCs;S
SS8IH0zEmaRR:HCM0oRCs;S
SSlMkLRCsRRR:HCM0oRCs;S
SS8IH0REqRRR:HCM0oRCs;S
SS8HMCRGRRRR:HCM0o
CsRRRRR;R2
RRRRRRRb0FsRR5
RRRRRRRRRRRRRbQMkR0R:MRHR8#0_oDFHPO_CFO0sH5I8Q0EhR-48MFI0jFR2R;
RRRRRRRRRRRRR0mkbRk0:kRF00R#8F_Do_HOP0COFIs5HE80m-za4FR8IFM0R
j2RRRRR2RR;R
RR8CMRlOFbCFMM
0;
RRRObFlFMMC0DRVF_FsNC88sR
RRRRRoCCMsRHO5S
SS8IH0hEQRRR:HCM0oRCs;S
SS8IH0zEmaRR:HCM0oRCs;S
SSlMkLRCsRRR:HCM0o
CsRRRRR;R2
RRRRRRRb0FsRR5
RRRRRRRRRRRRRbQMkR0R:MRHR8#0_oDFHPO_CFO0sH5I8Q0EhR-48MFI0jFR2R;
RRRRRRRRRRRRR0mkbRk0:kRF00R#8F_Do_HOP0COFIs5HE80m-za4FR8IFM0R
j2RRRRR2RR;R
RR8CMRlOFbCFMM
0;
RRRVOkM0MHFRb8C0HEW8R0EskC0sHMRMo0CCHsR#R
RRoLCHRM
RRRRVRFsHMRHRR468MFI0jFRRFDFbH
SV0R5EHCEoHE52RR='24'RC0EMR
SRCRs0MksR4H+;C
SMH8RVR;
RRRRCRM8DbFF;R
RRsRRCs0kM;Rj
RRRCRM880CbE8WH0
E;
RRRO#FM00NMRb8C0:ERR0HMCsoCRR:=80CbE8WH0
E;RORRF0M#NRM0I0H8E:0RR0HMCsoCRR:=I0H8EIA+HE80q;+.
RRR0C$bRlDH##RHRsNsN5$R80CbER+48MFI0jFR2VRFR0HMCsoC;

RRVRRk0MOHRFMOONDhLklCRs#skC0sDMRHRl#HR#
RRRRRsPNHDNLCER0Ck_MlsLC#RR:D#Hl;R
RRoLCHRM
RRRRRC0E_lMkL#Cs5Rj2:I=RHE80qR;
RRRRRsVFRHHRMRR408FRCEb0+D4RF
FbRRRRRRRRRC0E_lMkL#Cs5RH2:0=REMC_kClLsH#5-/42.RR+5C0E_lMkL#Cs54H-2FRl82R.;R
RRRRRCRM8DbFF;R
RRRRRskC0s0MREMC_kClLs
#;RRRRCRM8OONDhLklC;s#
RR
RFROMN#0MM0RkClLs:#RRlDH#=R:RDONOlhkL#Cs;

RRVRRk0MOHRFMOONDpRHlskC0sDMRHRl#HR#
RRRRRsPNHDNLCER0CH_Dl:#RRlDH#R;
RRRRRsPNHDNLCkRMl:LRR0HMCsoC;R
RRoLCHRM
RRRRRC0E_lDH#25jRR:=jR;
RRRRRlMkL=R:R8IH0;Eq
RRRRVRRFHsRRRHM4FR0Rb8C04E+RFDFbS
R0_ECD#Hl5RH2:0=REDC_H5l#H2-4RM+Rk*lLI0H8E
0;RkSMl:LR=kRMl.L/R5+RMLklR8lFR;.2
RRRRCRRMD8RF;Fb
RRRRsRRCs0kMER0CH_Dl
#;RRRRCRM8OONDp;Hl
RR
RFROMN#0MP0RCHODlRR:D#HlRR:=OONDp;Hl
RRR#MHoNLDRHso0C:CRR8#0_oDFHPO_CFO0sC5POlDH5b8C04E+2R-48MFI0jFR2R;
RHR#oDMNRsONsR$,#MHo,HR#oRM4:0R#8F_Do;HO
C
LoRHM
VSH_C	Cb8_N8aCss:CCRRHV5C0sCRR=jo2RCsMCNR0C-k-R#VCRFbsRHDbCHMMHoMRN8FRDIFRO#
0
SHS#o<MR=RRqGRFsAS;
So#HM<4R=RRqFAsR;S
SOsNs$=R<RF5M0lRq2MRN8;RA
LSSHso0CIC5HE800R-48MFI0jFR2=R<RmRBh1e_ap7_mBtQ_Be a5m)jI,RHE80qS2