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发表于 2017-7-30 11:14:38
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如果只是想用CS1和CS2看FRV或LIV的话，可以试试下面的代码。实现风格确实不太好，你如果可以说详细点，我可以帮你改，当然，纯交流，不为钱。
SUBDESIGN CPLD
(
WR,RD,ALE,A[15..8],K4 : INPUT;
RWR,ROE : OUTPUT;
D[7..0],DR[15..0] : BIDIR;
PCK,LIV,FRV,S[9..0],IN : INPUT;
RA[17..0],INT3,CS1,CS2,OUT,24M : OUTPUT;
PCLK,HS,VS : OUTPUT;
)
VARIABLE
FA[7..0]: DFF;
FB[15..0]: DFF;
FC[20..0]: DFF;
FE[7..0]: DFF;
FF[7..0]: DFF;
FH[9..0]: DFF;
FI[9..0]: DFF;
FJ[3..0]: DFF;
FK[3..0]: DFF;
FL[20..0]: DFF;
SM[20..0]: DFF;
SY[20..0]: DFF;
SS : DFF;
LIV_D: DFF;
FRV_D: DFF;
S0,S1,S2,S3: TRI;
SK,HH,VV : TRI;
QY,HY,DE,VE,DEC,YH,JS:TRI;
DT : TRI;
AC[17..0]: TRI;
AD[15..0]: TRI;
DA[15..8]: TRI;
DD[15..0]: TRI;
DLS[7..0]: TRI;
CK,QL,Q,OU : TRI;
RR,ZD: TRI;
HQ,HE: TRI;
V[3..0]: TRI;
BEGIN
FH[] = FH[]+1;
FH[].CLK = IN;
FH[].CLRN =!JS;
table
FH[] =>QY, HY, DEC,YH, JS;
0 => 1, 0, 0, 0, 0;
48 => 0, 1, 0, 0, 0; % 48 %
88 => 0, 0, 1, 0, 0; % 88 %
850 => 0, 0, 0, 1, 0; %762+88=850 %
928 => 0, 0, 0, 0, 1; % 928 %
end table;
FJ[] = FJ[]+1;
FJ[].CLK = HY#DEC#YH;
FJ[].CLRN =!QY;
table
FJ[] => HH, HE;
0 => 1, 0;
2 => 0, 1;
end table;
HS =!HH;
DE = HE&VE;
FI[] = FI[]+1;
FI[].CLK = QY;
FI[].CLRN =!V3;
table
FI[] =>V0, V1, V2, V3;
0 => 1, 0, 0, 0;
3 => 0, 1, 0, 0; % 03 %
29 => 0, 0, 1, 0; % 29 %
525 => 0, 0, 0, 1; % 525 %
end table;
FK[] = FK[]+1;
FK[].CLK = V1#V2;
FK[].CLRN =!V0;
table
FK[] =>VV, VE;
0 => 1, 0;
2 => 0, 1;
end table;
VS =!VV;
PCLK =!OUT;
OUT =!IN;
FF[] = FF[]+1;
FF[].CLK = IN;
24M = FF[0];
CK = PCK#ZD; %&FRV&LIV %
INT3 = OU&!FRV;
FE[] = FE[]+1;
FE[].CLK =!FRV;
FE[].CLRN =!QL;
QL = Q&!WR;
table
FE[] => OU;
H"2" => 1 ;
end table;
RA[0] = FE[1];
SY[7..0] = D[7..0];
SY[7..0].CLK = S0&!WR;
SY[15..8] = D[7..0];
SY[10..8].CLK= S1&!WR;
SY[20..16] = D[4..0];
SY[20..16].CLK=S2&!WR;
SM[] = SM[]+1;
SM[].CLK = PCK&FRV;
SM[].CLRN = FRV;
if(SY[]==SM[])then
SK = VCC;
end if;
SS =!SS;
SS.CLK = SK;
SS.CLRN = FRV;
LIV_D = LIV;
LIV_D.CLK = IN;
FRV_D = FRV;
FRV_D.CLK = IN;
table
FC[] =>ZD;
H"94D40" => 1; %B2980 96000 %
end table;
FA[] = D[];
FA[].CLK =!ALE;
AC[7..0] = FA[7..0];
AC[15..8] = A[15..8];
AC[17..16] = 0;
% AC[17..0].CLRN =!QL; %
D[] = DLS[];
DLS[] = DR[7..0];
DLS[].OE =!(!WR#ALE);
FB[7..0] = D[7..0];
FB[7..0].CLK = WR;
FB[15..8] = D[7..0];
FB[15..8].CLK= WR;
DD[15..0] = FB[15..0];
DR[15..0] = DD[15..0];
DD[].OE =!WR;
!RWR =!WR;
!ROE = RWR;
CS1 = LIV_D;
CS2 = FRV_D;
FC[] = FC[]+1; % 写地址 %
FC[].CLK = PCK&OU#DT;
FC[].CLRN = FRV;
if
(FC[]==1219200)
then
DT=VCC;
end if;
FL[] = FL[]+1;
FL[].CLK = OUT&HE;
FL[].CLRN =!VE;
if(K4==VCC)then
RA[17..0] = AC[17..0]; % FC写地址 %
else % FL读地址 %
RA[17..0] = FL[17..0];
end if;
% %
table
AC[15..0] => Q, S0, S1, S2, S3;
H"FFF3" => 0, 1, 0, 0, 0;
H"FFF4" => 0, 0, 1, 0, 0;
H"FFF5" => 0, 0, 0, 1, 0;
H"FFF6" => 0, 0, 0, 0, 1;
H"FFF7" => 1, 0, 0, 0, 0;
end table;
END; |
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