mult.vhd

Xilinx Ise 官方源代码盘 第四章

-- ****************************************************************  --
@ER--zHM#o8MCRDvk0DHbH
Cs-a-RNCso0RR:XHHDMeGRHCs0GQRQ
R--NEsOD0H#RD=RFOoHRFLDOl	_k
D0-4-R3FRDoRHO-sRNsRN$l0kDHHbDCIsRHR0EbCHbL#kVRM5HR#ONCVRFRbbHCMDHH2Mo

---.-R3DRLFRO	-#RkHRMoe0HsCQGRQDRAFRO	v0kDHHbDC5sRvazp44UXU-2
--
-RFRBbH$soRE05RO2.jjj,jR.j14R$DMbH0OH$Q,RM
O3-R-RqRDDsEHo0s#RCs#CP3C8
R--****************************************************************R-R-
-
-R****************************************************************-RR--
-RswH#s0uFO8k0q#5,,RAR2qA

---W-RHE80qRR-I0H8EVRFRHqRM0bk
R--W0H8E-ARR8IH0FERVRRAHkMb0-
-R-
-RRqA-HRL0HIN#qCRhF7RVDRNDMRHb#k0
R--
R--****************************************************************R-R-
H
DLssN$CRHCRC;
Ck#RCHCC03#8F_Do_HO4c4n3DND;D

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

HNLssP$RHCs0G
.;kR#CP0HsC3G.ObFlFMMC0N#3D
D;
LDHs$NsRM#$bVDH$k;
##CR$DMbH3V$Ns00H0LkCN#3D
D;
0CMHR0$w#Hs0Fus80kO##RH
RRRoCCMs5HO
RRRRIRRHE80qRR:HCM0o;Cs
RRRRIRRHE80ARR:HCM0o
CsR2RR;R
RRsbF0
R5RRRRRRRqRH:RM#RR0D8_FOoH_OPC05FsI0H8E4q-RI8FMR0Fj
2;RRRRRRRARH:RM#RR0D8_FOoH_OPC05FsI0H8E4A-RI8FMR0Fj
2;RRRRRARqRF:Rk#0R0D8_FOoH_OPC05FsI0H8EIA*HE80qR-48MFI0jFR2R
RRRRR-A-RRq*R
RRR2C;
Mw8RH0s#u8sFk#O0;N

sHOE00COkRsCNEsO4VRFRswH#s0uFO8k0H#R#R

RHR#oDMNRNN_k:GRR8#0_oDFHPO_CFO0sH5I8q0E-84RF0IMF2Rj;R
RRo#HMRNDLk_NGRR:#_08DHFoOC_POs0F58IH0-EA4FR8IFM0R;j2
C
Lo
HMRVRRFMsq8Rq:VRFsHHNRMRRj0IFRHE80qR-4oCCMsCN0
RRRRVRRFMsq8RA:VRFsHHLRMRRj0IFRHE80AR-4oCCMsCN0
RRRRRRRRARq58IH0*EAH+NRR2HLRR<=qN5H2hRq75RAH;L2
RRRRCRRMo8RCsMCNR0CVqFsM;8A
RRRCRM8oCCMsCN0RsVFqqM8;M
C8sRNO;E4
-
-R****************************************************************-RR--
-R8N8s5CoqA,R,CR)#-2
--
-RPvFCs#RC#oH0#CsRR0FsDCbNROCbCHbL'kV#-
-R-
-R****************************************************************-RR-D

HNLssH$RC;CCR#
kCCRHC#C30D8_FOoH_n44cD3NDk;
#HCRC3CC#_08DHFoOM_k#MHoCN83D
D;
LDHs$NsRsPH0.CG;#
kCHRPsG0C.F3OlMbFC#M03DND;D

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

M00H$8RN8osCR
H#RoRRCsMCH
O5RRRRRHRI8R0E:MRH0CCosR;
RRRRRosCR:RRR0HMCsoCRR--hCNlRRFV0RECDCCPDR
RR
2;RbRRFRs05R
RRRRRqRRR:MRHR8#0_oDFHPO_CFO0sH5I8-0E4FR8IFM0R;j2
RRRRARRR:RRRRHM#_08DHFoOC_POs0F58IH04E-RI8FMR0Fj
2;RRRRRCR)#RR:FRk0#_08DHFoOC_POs0F58IH04E-RI8FMR0FjR2
R;R2
RRRNs00H0LkC3R\s	NM\RR:HCM0o;Cs
RRRNs00H0LkC3R\sFClPMC_FN_IsRM\:MRH0CCosC;
MN8R8C8so
;
NEsOHO0C0CksRONsEF4RV8RN8osCR
H#
RRR#MHoN)DRCD#k0RR:#_08DHFoOC_POs0F58IH04E-RI8FMR0Fj
2;
oLCHRM
RCR)#0kDRR<=qRR+AR;
RFRVsFDFbR.:VRFsHMRHR0jRFHRI8-0E4CRoMNCs0RC
RRRRR0N0skHL0\CR3MsN	F\RVCRso:#RRLDNCHDR#CRsoS;
S0N0skHL0\CR3lsCF_PCMIF_N\sMRRFVs#CoRD:RNDLCRRH#4R;
RCRLo
HMRRRRRCRsoR#:bCHbL
kVRRRRRFRbsl0RN
b5RRRRRRRRR=QR>CR)#0kD5,H2
RRRRRRRRRRm=)>RCH#52R
RRRRR2R;
RMRC8CRoMNCs0VCRFFsDF;b.
8CMRONsE
4;
R--****************************************************************R-R-

---V-RDsFF5bQMkR0,mbk0k
02---
-*R**************************************************************R*R-
-
DsHLNRs$HCCC;kR
#HCRC3CC#_08DHFoO4_4nNc3D
D;
LDHs$NsRsPH0.CG;#
kCHRPsG0C.F3OlMbFC#M03DND;C

M00H$DRVFRFsHR#
RCRoMHCsO
R5RRRRRHRI8Q0Eh:RRR0HMCsoCRR:=d
c;RRRRRHRI8m0Ez:aRR0HMCsoCRR:=d
c;RRRRRkRMlsLCR:RRR0HMCsoCRR:=4R;
RRRRR8HMCRGRRRR:HCM0oRCs:
=4R2RR;R
RRsbF0
R5RRRRRMRQbRk0RR:RH#MR0D8_FOoH_OPC05FsI0H8E-Qh4FR8IFM0R;j2
RRRRmRRkk0b0RR:FRk0#_08DHFoOC_POs0F58IH0zEmaR-48MFI0jFR2R
RR
2;RNRR0H0sLCk0Rs\3N\M	RH:RMo0CC
s;RNRR0H0sLCk0Rs\3CPlFCF_M_sINM:\RR0HMCsoC;M
C8DRVF;Fs
s
NO0EHCkO0sNCRs4OERRFVVFDFs#RHRR

R-R-Ro)CHC#0sFRBlMbFC
M0RORRFFlbM0CMR8N8s
CoRRRRRCRoMHCsO
R5RRRRRRRRR8IH0:ERR0HMCsoC;R
RRRRRRsRRCRoRRH:RMo0CC-sR-NRhlFCRVER0CCRDP
CDRRRRR;R2
RRRRbRRFRs05R
RRRRRRqRRR:RRRRHM#_08DHFoOC_POs0F5HRI8-0E4FR8IFM0R;j2
RRRRRRRRRRARRR:H#MR0D8_FOoH_OPC05FsR8IH04E-RI8FMR0Fj
2;RRRRRRRRR#)CRF:Rk#0R0D8_FOoH_OPC05FsI0H8ER-48MFI0jFR2R
RRRRR2R;
RMRC8FROlMbFC;M0
R
RRo#HMRND)kC#D:0RR8#0_oDFHPO_CFO0sH5I8Q0EhR-48MFI0jFR2
;
R-RR-kRVMHO0FOMRs0CNCN#RRDlk0DHbHRCs0#FRE0HVRPNRNCDkRVDC0$RLR8HMCLGRH
0#
RRRVOkM0MHFRH#EVC0xsHF5MG8CRH:RMo0CCRs2skC0sHMRMo0CCHsR#R
RRRRRPHNsNCLDRC#0bRR:HCM0o;Cs
RRRLHCoMR
RRRRR#b0CRR:=4R;
RRRRRsVFRHHRMRR40HFRMG8C-D4RF
FbRRRRRRRRRC#0b=R:RC#0bRR*.R;
RRRRR8CMRFDFbR;
RRRRR0sCkRsM#b0C;R
RR8CMRH#EVC0xs
F;
RRRO#FM00NMRH#EV80N8RCs:MRH0CCos=R:RH#EVC0xsHF5MG8C2R;
RFROMN#0MD0RC0MoERRRRRR:HCM0oRCs:I=RHE80QMM/kClLs
;
-
-R-N-RsHOE00COkRsCFVVRDsFFRF-RMbCRHDbCH8MCRN#0o-C
-
R
LHCoMRR
RFRVsFDFb:_4RsVFRH[RMRR40MFRkClLsR/.oCCMsCN0
RRRLHCoMR
RRRRRs#CoqN:R8C8soR
RRRRRoCCMsRHOlRNb5R
RRRRRRIRRHE80RR=>DoCM0#E-E0HVNC88sR,
RRRRRRRRsRCoR>R=R8HMCRG
RRRRRR2
RRRRRsbF0NRlbR5
RRRRRRRRq>R=RbQMkD05C0MoE.*5*4[-2R-48MFI0DFRC0MoE**.54[-2E+#HNV08s8C2R,
RRRRRRRRA>R=RbQMkD05C0MoE**.[R-48MFI0DFRC0MoE.*5*4[-2E+#HNV08s8C2R,
RRRRRRRR)RC#=m>Rkk0b0C5DMEo0*4[-RI8FMR0FDoCM05E*[2-4+H#EV80N82Cs
RRRR2RR;R
RRRRRVDFsF_Fb.V:RF	sRRRHMjFR0RH#EV80N8-Cs4CRoMNCs0RC
RRRRRRRRNs00H0LkC3R\s	NM\VRFRosC#RR:DCNLD#RHR8HMC
G;SNSS0H0sLCk0Rs\3CPlFCF_M_sINMF\RVCRso:#RRLDNCHDR#;R4
RRRRLRRCMoH
RRRRRRRR-R-R0mkb5k0DoCM05E*[2-4+H#EV80N8-Cs4FR8IFM0RMDCo*0E54[-2<2R=RR
RRRRRRRR-R-RRMRQb5k0DoCM0.E**-5[4#2+E0HVNC88sR-48MFI0DFRC0MoE**.54[-2
2;RRRRRRRRRosC#R:RbCHbL
kVRRRRRRRRRsbF0NRlbR5
RRRRRRRRRQRRRR=>QkMb0C5DMEo0*5.*[2-4+,	2
RRRRRRRRRRRR=mR>kRm00bk5MDCo*0E54[-22+	
RRRRRRRR;R2
RRRRCRRMo8RCsMCNR0CVDFsF_Fb.R;
RMRC8CRoMNCs0VCRFFsDF4b_;R

RVRH_k#F#RN:H5VRMLklClsRF.8RR4=R2CRoMNCs0RC
RCRLo
HMRRRRR-R-VDFsF_FbdV:RFHsRRRHM4FR0RMDCo-0E#VEH08N8CosRCsMCN
0CRRRRRFRVsFDFb:_dRsVFRHHRMRR40DFRC0MoECRoMNCs0SC
S0SN0LsHkR0C\N3sMR	\FsVRCRo#:NRDLRCDHH#RMG8C;S
SS0N0skHL0\CR3lsCF_PCMIF_N\sMRRFVs#CoRD:RNDLCRRH#4R;
RRRRRoLCHRM
RRRRRRRRs#Co:bRRHLbCkRV
RRRRRRRRb0FsRblN5R
RRRRRRRRRRRRQ=Q>RM0bk58IH0hEQ-,H2
RRRRRRRRRRRR=mR>kRm00bk58IH0zEma2-H
RRRRRRRR;R2
RRRRCRRMo8RCsMCNR0CVDFsF_FbdR;
RRRRRR--mbk0kI05HE80m-za#VEH08N8C4s-RI8FMR0FI0H8Eamz-MDCo20ERR
RRRRR-R-RR=R<RbQMkI05HE80Q#h-E0HVNC88sR-48MFI0IFRHE80QDh-C0MoE
2;RCRRMo8RCsMCNR0CH#V_FNk#;M
C8sRNO;E4
-
-R****************************************************************-RR--
-R-
-R8N8CssaCRC5W0H8ERq,W0H8E
A2-
-R-*-R*************************************************************R**R
--
LDHs$NsRCHCC
;RkR#CHCCC38#0_oDFH4O_43ncN;DD
Ck#RCHCC03#8F_Do_HON0sHED3NDk;
#HCRC3CC#_08DHFoOM_k#MHoCN83D
D;
0CMHR0$NC88sCasC#RH
RRRoCCMs5HO
RRRRIRRHE80qRR:HCM0o;Cs
RRRRIRRHE80ARR:HCM0o
CsR2RR;R
RRsbF0
R5RRRRRARqRRRRRRR:H#MR0D8_FOoH_OPC05FsI0H8EIA*HE80qR-48MFI0jFR2R;
RRRRRFbs80kORF:Rk#0R0D8_FOoH_OPC05FsI0H8EIA+HE80qR-48MFI0jFR2R
RRRRR-A-RRq*R
RRR2C;
MN8R8s8CaCsC;

RNEsOHO0C0CksRONsEF4RV8RN8aCssRCCH
#
RORRF0M#NRM00EECHRoE:0R#8F_Do_HOP0COF4s56FR8IFM0RRj2:B=Rm_he1_a7pQmtB _eB)am58IH0-Eq44,Rn
2;
RRRObFlFMMC0DRVF
FsRRRRRCRoMHCsO
R5RRRRRRRRR8IH0hEQRRR:HCM0oRCs;R
RRRRRRIRRHE80mRza:MRH0CCos
R;RRRRRRRRRlMkLRCsRRR:HCM0oRCs;R
RRRRRRHRRMG8CRRRR:MRH0CCosR
RRRRR2R;
RRRRRsbF0
R5RRRRRRRRRbQMkR0R:MRHR8#0_oDFHPO_CFO0sH5I8Q0EhR-48MFI0jFR2R;
RRRRRRRRmbk0k:0RR0FkR8#0_oDFHPO_CFO0sH5I8m0Ez4a-RI8FMR0FjR2
RRRRR
2;RCRRMO8RFFlbM0CM;-

-HRVM08REDCRF0ONHRFMF0VREECRHCoE#'0R4H'RM0R"EHCEo
E"
RRRVOkM0MHFRb8C0HEW8R0EskC0sHMRMo0CCHsR#R
RRoLCHRM
RRRRRsVFRHHRM6R4RI8FMR0FjFRDFRb
RRRRRRRRH5VR0EECH5oEH=2RR''42ER0CRM
RRRRRRRRRRRRskC0sHMR+
4;RRRRRRRRR8CMR;HV
RRRRCRRMD8RF;Fb
RRRRsRRCs0kM;Rj
RRRCRM880CbE8WH0
E;
RRRO#FM00NMRb8C0RER:MRH0CCos=R:Rb8C0HEW8;0E
RRRO#FM00NMR8IH0:ERR0HMCsoCRR:=I0H8EIA+HE80q;+4
RRR0C$bRlDH##RHRsNsN5$R80CbER+48MFI0jFR2VRFR0HMCsoC;

R-V-RHRM80RECskCJH8sCRlMkL#CsRE50Ck_MlsLC#MRHRRNMNNss$VRFR0HMCsoC#
2
RVRRk0MOHRFMOONDhLklCRs#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;

R-O-RNkDODCN0RC0E_lDH#R

RkRVMHO0FOMRNpDOHslRCs0kMHRDlH#R#R
RRRRRPHNsNCLDRC0E_lDH#RR:D#Hl;R
RRRRRPHNsNCLDRlMkLRRRRRR:HCM0o;Cs
RRRLHCoMR
RRRRR0_ECD#Hl5Rj2:j=R;R
RRRRRMLklRR:=I0H8E
q;RRRRRFRVsRRHH4MRRR0F80CbER+4DbFF
RRRRRRRRER0CH_DlH#52=R:RC0E_lDH#-5H4+2RRlMkLH*I8;0E
RRRRRRRRkRMl:LR=kRMl.L/R5+RMLklR8lFR;.2
RRRRCRRMD8RF;Fb
RRRRsRRCs0kMER0CH_Dl
#;RCRRMO8RNpDOH
l;RR
RRMOF#M0N0CRPOlDHRD:RHRl#:O=RNpDOH
l;R#RRHNoMDLRRHso0C:CRR8#0_oDFHPO_CFO0sC5POlDH5b8C04E+2R-48MFI0jFR2
;
-O-Rs0CNCER0CsRNO0EHCkO0sFCRVER0C8RN8RCs0CsC
C
LoRHM
RRRVNFsM:8qRsVFRRHNHjMRRR0FI0H8E4q-RMoCC0sNCR
RRRRRL0Hos5CC5+HN4I2*HE80-84RF0IMFNRH*8IH0RE2<R=RBemh_71a_tpmQeB_ mBa),5jR8IH0-EqH4N+2R
RRRRRR&RRR5qAI0H8E5A*H4N+2R-48MFI0IFRHE80AN*H2R
RRRRRR&RRRhBmea_17m_pt_QBea Bmj)5,NRH2R;
RMRC8CRoMNCs0VCRFMsN8
q;
RRRVDFsF.Fb:sVFRH[RMRR408FRCEb0RMoCC0sNCR
RR:l4RDRVF
FsRRRRRCRoMHCsONRlb
R5RRRRRRRRR8IH0hEQR>R=ROPCD5Hl[-2RROPCD5Hl[2-4,R
RRRRRRIRRHE80mRza=P>RCHODl+5[4-2RROPCD5Hl[
2,RRRRRRRRRlMkLRCsR>R=RlMkL#Cs54[-2R,
RRRRRRRRHCM8GRRRRR=>[R
RRRRRR2RR
RRRRbRRFRs0lRNb5R
RRRRRRQRRM0bkRRRR=L>RHso0CPC5CHODl25[-84RF0IMFCRPOlDH54[-2
2,RRRRRRRRR0mkbRk0R>R=RoLH0CsC5OPCD5Hl[2+4-84RF0IMFCRPOlDH52[2
RRRR2RR;R
RR8CMRCRoMNCs0VCRFFsDF;b.
R
RRFbs80kORR<=L0Hos5CCPDCOH8l5CEb0+-42.FR8IFM0ROPCD5Hl80CbE;22RC

MN8Rs4OE;-

-*R**************************************************************-*
-ERaCMRk#MHoCl8RkHD0bRD$k##CRpvzaG4(4-(
--
-RCWEMER0CHRXDGHMROvNsDFRHNLssE$RN0#REvCRz4pa((X4_lzRNFOs,ER0H##RCHO0FFMRVER0C-
-R8OFCER#F8kDRRLCsFClPRC8NRM8vazp44(G(ER#F8kDRRLCsDCbN8OCRRL$vazp44(X(3_z
R--
R--****************************************************************
H
DLssN$ RQ 
 ;kR#CHCCC38#0_oDFH4O_43ncN;DD
Ck#RCHCC03#8F_Do_HON0sHED3NDk;
#HCRC3CC#_08DHFoOH_#o8MC3DND;C

M00H$zRvp(a4XR4(HS#

RRRb0FsRR5
RRRRR:qRRRHMR8#0_oDFHPO_CFO0sn54RI8FMR0Fj
2;RRRRRRRA:MRHR0R#8F_Do_HOP0COF4s5nFR8IFM0R;j2
RRRRuRRRF:Rk#0R0D8_FOoH_OPC05Fsd8dRF0IMF2Rj
2SS;R

R0RN0LsHkR0C\M3H0MCsNHD_MN#0MN0H0\C8RH:RMo0CC
s;CRM8vazp44(X(
;
-#-R$EM0C##HRN0sMN#D0FC_V-V
-HRDLssN$HR#lHbsl-;
-#RkCHR#lHbslb3eNNO	oNC3D
D;-#-R$EM0C##HRN0sMN#D0FC_MN

sHOE00COkRsC#k0sOF0RVzRvp(a4XR4(H
#
RORRFFlbM0CMRpvzaX4U4RU
RRRRRsbF0
R5RRRRRRRRR:qRRRHMR8#0_oDFHPO_CFO0s4R5(FR8IFM0R;j2
RRRRRRRRRRA:MRHR0R#8F_Do_HOP0COF5sR48(RF0IMF2Rj;R
RRRRRRuRRRF:Rk#0R0D8_FOoH_OPC0RFs5Rd68MFI0jFR2
2;S8CMRlOFbCFMM
0;
RRRNs00H0LkC$R#MD_LN_O	LRFG:FRLFNDCMR;
R0RN0LsHkR0C#_$MLODN	F_LGVRFRpvzaX4U4:URRlOFbCFMMH0R#)Raz
 ;
HS#oDMNRhqQR#:R0D8_FOoH_OPC0RFs5R4(8MFI0jFR2S;
#MHoNADRQ:hRR8#0_oDFHPO_CFO0s4R5(FR8IFM0R;j2
#
SHNoMD)Rum:7RR8#0_oDFHPO_CFO0sdR56FR8IFM0R;j2
N
S0H0sLCk0RH\3Ms0CM_NDH0M#NHM0N80C\VRFRDlk0RR:DCNLD#RHR
4;LHCoMR

RQRqh=R<R""jRq&R;-SR-kRb0RRNxFCsRRHMVMsF0R
RRhAQRR<="Rj"&;RA
l
SkRD0:zRvpUa4X
4URRRRRFRbsl0RN5bR
RRRRRRRRRRq=q>RQ
h,RRRRRRRRR=AR>QRAhR,
RRRRRRRRu>R=Rmu)7S
S2S;
SR
RR<uR=)Rumd75dFR8IFM0R;j2S-R-R	0NCMRFDd$RcHRL0
#
CRM8#k0sO
0;
R--****************************************************************R-R-
R--ep.Am5BiqA,R,)Rum
72---
-IRNHE80RI-RHE80RRFVqMRHb
k0-L-RI0H8ERR-I0H8EVRFRHARM0bk
R--
R--u7)mRa-REVCRkRDDb8sFkRO05HNI8R0E+IRLHE80R8IHCV2RsRFlLODF	kRlDb0HDsHC#
3R-
-R-*-R*************************************************************R**R
--
LDHs$NsRCHCCk;
#HCRC3CC#_08DHFoO4_4nNc3D
D;kR#CHCCC38#0_oDFHNO_sEH03DND;#
kCCRHC#C30D8_FOoH_#kMHCoM8D3ND
;
DsHLNRs$P0HsC;G.
Ck#RsPH0.CG3lOFbCFMM30#N;DD