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[/] [ft816float/] [trunk/] [rtl/] [verilog/] [fpSize.sv] - Rev 48
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// This file contains defintions for fields to ease dealing with different fp// widths. Some of the code still needs to be modified to support widths// other than standard 32,64 or 80 bit.localparam MSB = WID-1;localparam EMSB = WID==128 ? 14 :WID==96 ? 14 :WID==84 ? 14 :WID==80 ? 14 :WID==64 ? 10 :WID==52 ? 10 :WID==48 ? 10 :WID==44 ? 10 :WID==42 ? 10 :WID==40 ? 9 :WID==32 ? 7 :WID==24 ? 6 : 4;localparam FMSB = WID==128 ? 111 :WID==96 ? 79 :WID==84 ? 67 :WID==80 ? 63 :WID==64 ? 51 :WID==52 ? 39 :WID==48 ? 35 :WID==44 ? 31 :WID==42 ? 29 :WID==40 ? 28 :WID==32 ? 22 :WID==24 ? 15 : 9;localparam FX = (FMSB+2)*2; // the MSB of the expanded fractionlocalparam EX = FX + 1 + EMSB + 1 + 1 - 1;
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