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Altera_Forum
Honored Contributor
18 years agoThanx a lot for replay. This code is generated by Synplicity DSP...
Below is example of accessing to signal multBufs1. CoefArr <= CoefArrTemp; multInp <= signed(inp); rstBuf <= '0'; enBuf <= '1'; outp <= std_logic_vector(sumOut); floop: for i in 1 to tapLen-1 generate multBufs1(i) <= syn_resize(Shift_Right(mem(i*4-1) * CoefArr(i), (coefFrac+inpFrac-dpFrac)), dpBitWidth); end generate; multBufs1(0) <= syn_resize(Shift_Right(multInp * CoefArr(0), (coefFrac+inpFrac-dpFrac)), dpBitWidth); gloop: for i in 0 to numfourAdders-1 generate sumFLOuts(i) <= signed(syn_resize(multBufs1(i*4) +multBufs1(i*4+1)+multBufs1(i*4+2)+multBufs1(i*4+3), outBitWidth)); sumFLOutsDelayed(i) <= signed(sumFLOuts(i)); end generate; sumFLOuts(numfourAdders) <= multBufs1(numfourAdders*4) ; sumFLOutsDelayed(25) <= signed(sumFLOuts(25)); sumOut <= sumFLOutsDelayed(0) + sumFLOutsDelayed(1) + sumFLOutsDelayed(2) + sumFLOutsDelayed(3) + sumFLOutsDelayed(4) + sumFLOutsDelayed(5) + sumFLOutsDelayed(6) + sumFLOutsDelayed(7) + sumFLOutsDelayed(8) + sumFLOutsDelayed(9) + sumFLOutsDelayed(10) + sumFLOutsDelayed(11) + sumFLOutsDelayed(12) + sumFLOutsDelayed(13) + sumFLOutsDelayed(14) + sumFLOutsDelayed(15) + sumFLOutsDelayed(16) + sumFLOutsDelayed(17) + sumFLOutsDelayed(18) + sumFLOutsDelayed(19) + sumFLOutsDelayed(20) + sumFLOutsDelayed(21) + sumFLOutsDelayed(22) + sumFLOutsDelayed(23) + sumFLOutsDelayed(24) + sumFLOutsDelayed(25);