vga_key.srs

利用VERILOG编写的基于XILINX的SPARTAN板的VGA接口显示程序

@
ftell;
@E@MR@dn::d(::R4.I	FsR	OD8RHPPHCsD;Fo
RNP3PH#CDsHF4oR;P
NR#3H_sPCHoDFR
4;N3PRFosHhCNlRD"O	P8H"
;

@HR@cn:::4jc.:4R	ODR	OD;



@HR@6n:::4j6.:4R0s#R0s#;



@FR@nn:::44nn:4R	ODFRk0OMFk0r4n4;c9
@bR@6n:::4j6.:4RPHMR4kM_0s#R4kM_0s#R0s#;R
b@:@n4jj:::4j6MRHPMRk4F_Ok4M0n9rjR4kM_kOFMn04rRj9OMFk0r4nj
9;b@R@nj:4:4j:jR:6HRMPk_M4OMFk0r4n.9:4R4kM_kOFMn04r4.:9FROk4M0n:r.4
9;b@R@nj:4:4j:jR:6HRMPk_M4OMFk0r4nck9RMO4_F0kM4cnr9FROk4M0n9rc;R
b@:@n4jj:::4j6MRHPMRk4F_Ok4M0n9rnR4kM_kOFMn04rRn9OMFk0r4nn
9;b@R@nj:4:4j:jR:6HRMPk_M4OMFk0r4n4g.:9MRk4F_Ok4M0n.r4:Rg9OMFk0r4n4g.:9b;
Rj@@:44::.4:Rk0sCsR0k0CRs;kC
@bR@4j::44::V.RNCD#RDVN#VCRNCD#;R
b@:@n44n:4n:4:R.6NPM8RkOFMn044OgRF0kM4gn4R4kM_kOFMn04rR49k_M4OMFk0r4n.k9RMO4_F0kM4cnr9R
RRMRk4F_Ok4M0n9rnR4kM_kOFMn04rRg9k_M4OMFk0r4n4Rj9k_M4OMFk0r4n4
49RRRRk_M4OMFk0r4n4R.9OMFk0r4ndO9RF0kM46nr9FROk4M0n9r(RkOFMn04r
U9RRRROMFk0r4n4Rd9OMFk0r4n4;c9
@bR@4n:n::U4gn:RGlkRkOFMn04_j6r9FROk4M0nr_6jk9RMO4_F0kM4jnr9NRVDR#COMFk044ngb;
Rn@@::4g44g:gU:.R8N8RUkM_kOFMn04r:4cjk9RMOU_F0kM44nrc9:jRkOFMn04r:4cj09Rs;kC
@bR@4n:n::U4gn:RGlkRkOFMn04_d6r9FROk4M0nr_6dk9RMOU_F0kM4dnr9NRVDR#COMFk044ngb;
Rn@@::4nUn:4:lgRkOGRF0kM46n_rR69OMFk0_4n69r6RUkM_kOFMn04rR69V#NDCFROk4M0n;4g
@bR@4n:n::U4gn:RGlkRkOFMn04_U6r:R(9OMFk0_4n6:rU(k9RMOU_F0kM4Unr:R(9V#NDCN,VD
#CRRRROMFk044ngb;
Rn@@::4nUn:4:lgRkOGRF0kM46n_r:4c4Rd9OMFk0_4n6cr4:94dRUkM_kOFMn04r:4c4Rd9V#NDCN,VD
#CRRRROMFk044ngb;
Rn@@::4jjj:4:86RVRVsOMFk0r4n4jc:9FROk4M0ncr4:Rj9OMFk0_4n6cr4:94d,UkM_kOFMn04r:4.gO9,F0kM46n_r(U:9M,kUF_Ok4M0n9rn,kOFMn04_66r9M,kUF_Ok4M0n9rc,kOFMn04_d6r9M,kUF_Ok4M0n:r.4O9,F0kM46n_r
j9RRRRORD	k_M4s;#0
RNH3M#$_FbsOlMNCbR"s_FOOMFk0"4n;H
NR03sDs_FHNoMl"CROMFk0"4n;-
y--------------------------------- 
@
ftell;
@E@MR@dU::d(::R4cI	FsR0Lk00FMCCRPsFHDoN;
PHR3#sPCHoDFR
4;N3PRHP#_CDsHF4oR;P
NRs3FHNohl"CRL0k0FCM0"
;

@HR@cU:::4jc6:4R	ODFRk0OFD	k
0;
@HR@6U:::4j6.:4R0s#R0s#;



@HR@nU:::4nn4:.R0Lk0rFMd9:jR0Lk0rFMd9:j;



@FR@(U:::4((g:4RjLMrjd:9MRLj:rdj
9;
@FR@UU:::4(Ug:4R4LMrjd:9MRL4:rdj
9;
@FR@gU:::4(gg:4R.LMrjd:9MRL.:rdj
9;
@FR@4U:j(:4::4j4LgRMddr:Rj9LrMdd9:j;R
b@:@U6j:4:46:.MRHPMRk4#_s0MRk4#_s0#Rs0b;
RU@@::.djd:.:H6RMkPRMO4_F0kMj9rjR4kM_kOFMr0jjO9RF0kMj9rj;R
b@:@U.jd:::.d6MRHPMRk4F_OkjM0r6U:9MRk4F_OkjM0r6U:9FROkjM0r6U:9b;
RU@@::dgjg:d:H6RMkPRML4_M.jr:R49k_M4LrMj.9:4RjLMr4.:9b;
RU@@::6UjU:6:H6RMkPRMO4_F0kM49rjR4kM_kOFMr04jO9RF0kM49rj;R
b@:@U6jU:::6U6MRHPMRk4F_Ok4M0r6U:9MRk4F_Ok4M0r6U:9FROk4M0r6U:9b;
RU@@::(cjc:(:H6RMkPRML4_M.4r:R49k_M4LrM4.9:4R4LMr4.:9b;
RU@@::gd4d:g:HnRMkPRMO4_F0kM.9rjR4kM_kOFMr0.jO9RF0kM.9rj;R
b@:@Ug4d:::gdnMRHPMRk4F_Ok.M0r6U:9MRk4F_Ok.M0r6U:9FROk.M0r6U:9b;
RU@@:g4j:4j:j6g:RPHMR4kM_.LMr4.:9MRk4M_L.:r.4L9RM..r:;49
@bR@4U:.4(::(4.:HnRMkPRMO4_F0kMd9rjR4kM_kOFMr0djO9RF0kMd9rj;R
b@:@U4:.(4.:4(R:nHRMPk_M4OMFk0Udr:R69k_M4OMFk0Udr:R69OMFk0Udr:;69
@bR@4U:cjd::d4c:H6RMkPRML4_M4dr:Rj9k_M4LrMd49:jRdLMrj4:9b;
RU@@:d4c:4j:c6d:RPHMR4kM_dLMrRd9k_M4LrMddL9RMddr9b;
Rj@@:44::.4:Rk0sCsR0k0CRs;kC
@bR@4j::44::V.RNCD#RDVN#VCRNCD#;R
b@:@Uc((:::c(4NdRMR8PL4MjgMRLjR4gk_M4LrMj4k9RML4_M.jr9MRLj9rjRjLMr;d9
@bR@UU:.::(U4.:dMRN8LPRMg44R4LM4kgRML4_M44r9MRk4M_L49r.R4LMrRj9LrM4d
9;b@R@U4:4(::(4:4(4NdRMR8PL4M.gMRL.R4gk_M4LrM.4k9RML4_M..r9MRL.9rjR.LMr;d9
@bR@4U:6(4::446:R4dNPM8RdLM4LgRMgd4R4kM_dLMrRj9k_M4LrMd4k9RML4_Mddr9MRLd9r.;R
b@:@Uc(6:::c64N(RMR8PL.MjcMRLjR.cOMFk04jr9FROkjM0rR.9OMFk0djr9FROkjM0rRc9k_M4OMFk0jjr9R
RRMRk4F_OkjM0rR69k_M4OMFk0njr9MRk4F_OkjM0rR(9k_M4OMFk0Ujr9b;
RU@@::Uj(j:U:R4(NPM8R4LM.LcRMc4.RkOFMr044O9RF0kM49r.RkOFMr04dO9RF0kM49rcR4kM_kOFMr04jR9
RkRRMO4_F0kM49r6R4kM_kOFMr04nk9RMO4_F0kM49r(R4kM_kOFMr04U
9;b@R@U4:46::(4:464N(RMR8PL.M.cMRL.R.cOMFk04.r9FROk.M0rR.9OMFk0d.r9FROk.M0rRc9k_M4OMFk0j.r9R
RRMRk4F_Ok.M0rR69k_M4OMFk0n.r9MRk4F_Ok.M0rR(9k_M4OMFk0U.r9b;
RU@@:g4c:4(:c4g:(MRN8LPRMcd.RdLM.OcRF0kMd9r4RkOFMr0d.O9RF0kMd9rdRkOFMr0dck9RMO4_F0kMd9rj
RRRR4kM_kOFMr0d6k9RMO4_F0kMd9rnR4kM_kOFMr0d(k9RMO4_F0kMd9rU;R
b@:@U4:64c6:44R:6lRkGL_Md69rjRdLM_j6r9MRk4M_Ld9rjRDVN#LCRMgd4;R
b@:@U64j:4j:6:R4nNR88k_MULrMjd9:jRUkM_jLMrjd:9MRLj:rdj09Rs;kC
@bR@UU:64:4::U64NnR8k8RMLU_Md4r:Rj9k_MULrM4d9:jR4LMrjd:9sR0k
C;b@R@U.:4j4:4:j4.:R4nNR88k_MULrM.d9:jRUkM_.LMrjd:9MRL.:rdj09Rs;kC
@bR@4U:64c:46:4cn:4R8N8RUkM_dLMrjd:9MRkUM_Ld:rdjL9RMddr:Rj90Csk;R
b@:@Ud4d:dd:d:R.4NR88k_McOMFk0Ujr:Rj9k_McOMFk0Ujr:Rj9OMFk0Ujr:Rj90Csk;R
b@:@Ucc(:::c(6kRlGMRLjr_64L9RM6j_rR49k_MULrMj4V9RNCD#RjLM4
g;b@R@U(:c:cc:(R:6lRkGL_Mj69rdRjLM_d6r9MRkUM_Lj9rdRDVN#LCRMgj4;R
b@:@Un4U:dU:n:R.4NR88k_McOMFk0U4r:Rj9k_McOMFk0U4r:Rj9OMFk0U4r:Rj90Csk;R
b@:@UUc.:::U.6kRlGMRL4r_64L9RM64_rR49k_MULrM44V9RNCD#R4LM4
g;b@R@U.:U:Uc:.R:6lRkGL_M469rdR4LM_d6r9MRkUM_L49rdRDVN#LCRMg44;R
b@:@U4:jd44d:j.d:48RN8MRkcF_Ok.M0rjU:9MRkcF_Ok.M0rjU:9FROk.M0rjU:9sR0k
C;b@R@U4:4(::c4:4(6kRlGMRL.r_64L9RM6._rR49k_MULrM.4V9RNCD#R.LM4
g;b@R@U4:4(::c4:4(6kRlGMRL.r_6dL9RM6._rRd9k_MULrM.dV9RNCD#R.LM4
g;b@R@Ud:4(d:4:(4d:R.4NR88k_McOMFk0Udr:Rj9k_McOMFk0Udr:Rj9OMFk0Udr:Rj90Csk;R
b@:@U4:64c6:44R:6lRkGL_Md69r.RdLM_.6r9MRkUM_Ld9r.RDVN#LCRMgd4;R
b@:@Udd.:::d.ckRlGFROkjM0_U6r:Rj9OMFk06j_rjU:9NRVD,#CV#NDCN,VD,#CV#NDCN,VD,#CV#NDCN,VD,#CV#NDCN,VD
#CRRRRk_McOMFk0Ujr:Rj9L0k0FjMr9b;
RU@@::dgjg:d:86RVCVsRjLMrjd:9MRLj:rdjL9RM6j_r,d9k_MULrMj.L9,M6j_r,49k_MULrMjjR9
RORRDk	F0MRk4#_s0MRLj;.c
RNH3M#$_FbsOlMNCbR"s_FOL"Mj;H
NR03sDs_FHNoMl"CRL"Mj;R
b@:@Und(:::n(ckRlGFROk4M0_U6r:Rj9OMFk064_rjU:9NRVD,#CV#NDCN,VD,#CV#NDCN,VD,#CV#NDCN,VD,#CV#NDCN,VD
#CRRRRk_McOMFk0U4r:Rj9L0k0F4Mr9b;
RU@@::(cjc:(:86RVCVsR4LMrjd:9MRL4:rdjL9RM64_r,d9k_MULrM4.L9,M64_r,49k_MULrM4jR9
RORRDk	F0MRk4#_s0MRL4;.c
RNH3M#$_FbsOlMNCbR"s_FOL"M4;H
NR03sDs_FHNoMl"CRL"M4;R
b@:@U4:j.dj:4.R:clRkGOMFk06._rjU:9FROk.M0_U6r:Rj9V#NDCN,VD,#CV#NDCN,VD,#CV#NDCN,VD,#CV#NDCN,VD,#CV#NDCR
RRMRkcF_Ok.M0rjU:9kRL0M0Fr;.9
@bR@4U:jjg::g4j:86RVCVsR.LMrjd:9MRL.:rdjL9RM6._r,d9k_MULrM..L9,M6._r,49k_MULrM.jR9
RORRDk	F0MRk4#_s0MRL.;.c
RNH3M#$_FbsOlMNCbR"s_FOL"M.;H
NR03sDs_FHNoMl"CRL"M.;R
b@:@U4:dndd:4nR:clRkGOMFk06d_rjU:9FROkdM0_U6r:Rj9V#NDCN,VD,#CV#NDCN,VD,#CV#NDCN,VD,#CV#NDCN,VD,#CV#NDCR
RRMRkcF_OkdM0rjU:9kRL0M0Fr;d9
@bR@4U:cjd::d4c:86RVCVsRdLMrjd:9MRLd:rdjk9RMLU_Mddr9M,Ldr_6.k9,MLU_M4dr9M,Ldr_6jR9
RORRDk	F0MRk4#_s0MRLd;.c
RNH3M#$_FbsOlMNCbR"s_FOL"Md;H
NR03sDs_FHNoMl"CRL"Md;R
b@:@U.jd:::.d6VR8VOsRF0kMj:rUjO9RF0kMj:rUjO9RF0kMjr_6U9:jR	ODFRk0k_M4s;#0
RNH3M#$_FbsOlMNCbR"s_FOOMFk0;j"
RNH3Ds0_HFsolMNCOR"F0kMj
";b@R@UU:6:6j:UR:68sVVRkOFMr04U9:jRkOFMr04U9:jRkOFM_046:rUjO9RDk	F0MRk4#_s0N;
H#R3$bM_sMFONRlC"FbsOF_Ok4M0"N;
HsR30FD_sMHoNRlC"kOFM"04;R
b@:@Ug4d:::gdnVR8VOsRF0kM.:rUjO9RF0kM.:rUjO9RF0kM.r_6U9:jR	ODFRk0k_M4s;#0
RNH3M#$_FbsOlMNCbR"s_FOOMFk0;."
RNH3Ds0_HFsolMNCOR"F0kM.
";b@R@U.:4(::44:.(nVR8VOsRF0kMd:rUjO9RF0kMd:rUjO9RF0kMdr_6U9:jR	ODFRk0k_M4s;#0
RNH3M#$_FbsOlMNCbR"s_FOOMFk0;d"
RNH3Ds0_HFsolMNCOR"F0kMd
";y--------------------------------
--@
 

ftell;
@E@MR@d(::d(::R4.I	FsRNOEMRoCPHCsD;Fo
RNP3PH#CDsHF4oR;P
NR#3H_sPCHoDFR
4;N3PRFosHhCNlRE"ONCMo"
;

@HR@c(:::4jc6:4R	ODFRk0OFD	k
0;
@HR@6(:::4j6.:4R0s#R0s#;



@HR@n(:::4cnn:4RjLMrjd:9MRLj:rdj
9;
@HR@((:::4c(n:4R4LMrjd:9MRL4:rdj
9;
@HR@U(:::4cUn:4R.LMrjd:9MRL.:rdj
9;
@HR@g(:::4cgn:4RdLMrjd:9MRLd:rdj
9;
@FR@4(:j(:4::4j.#4RCMPCrjn:9CR#PrCMn9:j;



@FR@4(:4(:4::444NURM:rdjN9RM:rdj
9;b@R@(::646j::R4.HRMPk_M4sR#0k_M4sR#0s;#0
@bR@4(:6.:4::464HnRMkPRMO4_F0kMrR49k_M4OMFk09r4RkOFM40r9b;
R(@@::4UjU:4:H6RMkPRMO4_F0kMrRj9k_M4OMFk09rjRkOFMj0r9b;
R(@@::.njn:.:H6RMkPRMN4_M:r4jk9RMN4_M:r4jN9RM:r4j
9;b@R@(n:.:.j:nR:6HRMPk_M4NdMr9MRk4M_NrRd9NdMr9b;
Rj@@:44::.4:Rk0sCsR0k0CRs;kC
@bR@4j::44::V.RNCD#RDVN#VCRNCD#;R
b@:@(nUn:::nn4s4RF#lRCMPC_r4dn9:jRP#CC4M_d:rnj#9RCrPCd9:j;H
NRF3slL0ND"CRj4jjR44444jj;j
j4jjR44jjj
j;j4j4R4j4jjjj;4
jjjjRjj44j
4;j44jR4jjjjj4;4
j4jjRjjjj4
j;j444R4444jjj;j
4jjjRjjjjj
j;44jjR4jjjjjj;C
8VDNk0jR4jjjjj";
;R
b@:@(njj:::nj6VR8V#sRCMPCrjn:9CR#PrCMn9:jRP#CC4M_d:rnjO9RDk	F0MRk4#_s0N;
H#R3$bM_sMFONRlC"FbsOC_#P"CM;H
NR03sDs_FHNoMl"CR#CCPM
";b@R@(d:d:d6:dR:UNPM8R.NMnMRN.knRMO4_F0kMrRj9k_M4OMFk09r4;R
b@:@(d6d:::ddUMRHPMRk4M_N.knRMN4_MR.nNnM.;R
b@:@(.4d:.d:.:R4gNR88k_McOMFk0:r4jk9RMOc_F0kMrj4:9FROkrM049:jRk0sCb;
R(@@::.njn:.:86RVRV#NdMr:Rj9NdMr:Rj9N.Mr:,j9k_M4NnM.R	ODFRk0k_M4s;#0
RNH3M#$_FbsOlMNCbR"s_FON;M"
RNH3Ds0_HFsolMNCNR"M
";b@R@(U:4:4j:UR:68sVVRkOFM40r:Rj9OMFk0:r4jk9RMOc_F0kMrj4:9DRO	0FkR4kM_0s#;H
NR$3#Ms_bFNOMl"CRbOsF_kOFM;0"
RNH3Ds0_HFsolMNCOR"F0kM"b;
R(@@:44:::6d4FcRskPRMO4_F0kM_k4RMO4_F0kM_k4RMOc_F0kMrR49k_M4NdMr9b;
R(@@:44:::6d4HcRMkPRMO4_F0kM_k.RMO4_F0kM_k.RMO4_F0kM_
4;b@R@(g:c:cc:gR:(bGlkRP#CCr_Ud9:jRP#CCr_Ud9:jR.LMrjd:9M,k4M_NrRj9LrMdd9:j,4kM_rNM4R9
RLRRMdjr:,j9k_M4OMFk0R_.LrM4d9:j,4kM_rNMd
9;b@R@(d:c:cj:dR:68sVVRP#CC:rdj#9RCrPCd9:jRP#CCr_Ud9:jR	ODFRk0k_M4s;#0
RNH3M#$_FbsOlMNCbR"s_FO#CCP"N;
HsR30FD_sMHoNRlC"P#CC
";y--------------------------------
--@
 

ftell;
@E@MR@:4jd::(d(:4RsIF	CR	$H_8#NbD$CRPsFHDoN;
PHR3#sPCHoDFR
4;N3PRHP#_CDsHF4oR;P
NRs3FHNohl"CR	_C$8bH#D"N$;



@HR@:4jcj:4:4c:.DRO	DRO	
;

@HR@:4j6j:4:46:.#Rs0#Rs0
;

@HR@:4jnn:4:.n:4kRL0M0Frjd:9kRL0M0Frjd:9
;

@FR@:4jU(:4:.U:4CR#PrCMn9:jRP#CCnMr:;j9
@FR@:4jg(:4:4g:UMRNrjd:9MRNrjd:9
;

@FR@:4j44j:6j:4:R4(LrM.d9:jR.LMrjd:9
;

@FR@:4j444:64:4:R4(LrMdd9:jRdLMrjd:9s;
R4@@jU:4:4(:UR:UI	FsR	OD8RHPPHCsDRFolS4
O=D	O
D	S0s#=0s#
DSO	0Fk=	ODF;k0
@sR@:4j4gg:::4g4IjRFRs	L0k0FCM0RsPCHoDFR
l.S	ODF=k0OFD	kS0
s=#0s
#0S0Lk0rFMd9:j=0Lk0rFMd9:j
MSLj:rdjL9=Mdjr:
j9S4LMrjd:9M=L4:rdjS9
LrM.d9:j=.LMrjd:9L
SMddr:=j9LrMdd9:j;R
s@j@4::.j(j:.:IURFRs	OMENoPCRCDsHFloRdO
SDk	F0D=O	0Fk
#Ss0#=s0L
SMdjr:=j9LrMjd9:j
MSL4:rdjL9=Md4r:
j9S.LMrjd:9M=L.:rdjS9
LrMdd9:j=dLMrjd:9#
SCMPCrjn:9C=#PrCMn9:j
MSNrjd:9M=Nrjd:9b;
Rj@@:44::.4:Rk0sCsR0k0CRs;kC
@bR@4j::44::V.RNCD#RDVN#VCRNCD#;-
y--------------------------------- 
@
ftell;
@E@MR@:44d::(dd:4RsIF	oRPNC_	$CRPsFHDoN;
PHR3#sPCHoDFR
4;N3PRHP#_CDsHF4oR;P
NRs3FHNohl"CRP_oN	"C$;



@HR@:44cj:4:4c:.DRO	DRO	
;

@HR@:446j:4:46:.#Rs0#Rs0
;

@HR@:44nj:4:4n:.IR#.IR#.
;

@HR@:44(n:4:.(:4kRL0M0Frjd:9kRL0M0Frjd:9
;

@FR@:44U4:4:4U:.#RER;E#
@FR@:44g4:4:4g:.#RPR;P#
@FR@:4444j:(j:4:R4gsrC8.9:jR8sCrj.:9
;

@FR@:44444:(4:4:R.4oCsCM:r.jo9RsMCCrj.:9
;

@FR@:4444.:(.:4:R.jLCDkrj4:9DRLk4Cr:;j9
@FR@:4444d:6d:4:R4nCdNr:Rj9CdNr:;j9
@FR@:4444c:6c:4:R4g#CCPM:rnj#9RCMPCrjn:9s;
R4@@46:.:.c:6R:6I	FsRNPoRsPCHoDFR
l4S	OD=	OD
#Ss0#=s0#
SI#.=IS.
Ldk0rjd:9M=L.:rdjS9
Lck0rjd:9M=Ld:rdjS9
EE#=#P
S##=P
CSs8:r.js9=C.8r:
j9SCosC.Mr:=j9oCsCM:r.jS9
LCDkrj4:9D=Lk4Cr:;j9
@sR@:44.4n:dn:.:R4cI	FsR$	C_#8Hb$DNRsPCHoDFR
l.S	OD=	OD
#Ss0#=s0L
SkF00M:rdjL9=kF00M:rdjS9
#CCPM:rnj#9=CMPCrjn:9N
SM:rdjC9=N:rdjS9
LrM.d9:j=.LMrjd:9L
SMddr:=j9LrMdd9:j;R
b@:@j4::44R:.0CskRk0sCsR0k
C;b@R@j::44::4.NRVDR#CV#NDCNRVD;#C

C;