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Square root radix 2 working, does not work with division

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cturek 2022-07-14 22:52:09 +00:00
parent 9f18f6a203
commit ec9536f983
1 changed files with 3 additions and 2 deletions
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5
pipelined/srt/srt.sv
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@ -75,7 +75,7 @@ module srt (
// Quotient Selection logic
// Given partial remainder, select quotient of +1, 0, or -1 (qp, qz, pm)
qsel2 qsel2(WS[`DIVLEN+3:`DIVLEN-1], WC[`DIVLEN+3:`DIVLEN-1], qp, qz, qn);
qsel2 qsel2(WS[`DIVLEN+3:`DIVLEN-1], WC[`DIVLEN+3:`DIVLEN-1], Sqrt, qp, qz, qn);
flopen #(`NE) expflop(clk, Start, calcExp, rExp);
flopen #(1) signflop(clk, Start, calcSign, rsign);
@ -170,6 +170,7 @@ endmodule
/////////////////////////////////
module qsel2 ( // *** eventually just change to 4 bits
input logic [`DIVLEN+3:`DIVLEN-1] ps, pc,
input logic Sqrt,
output logic qp, qz, qn
);
@ -185,7 +186,7 @@ module qsel2 ( // *** eventually just change to 4 bits
assign g = ps & pc;
assign #1 magnitude = ~(&p[`DIVLEN+2:`DIVLEN-1]);
assign #1 cout = g[`DIVLEN+2] | (p[`DIVLEN+2] & (g[`DIVLEN+1] | p[`DIVLEN+1] & (g[`DIVLEN] | (p[`DIVLEN] & g[`DIVLEN-1]))));
assign #1 cout = g[`DIVLEN+2] | (p[`DIVLEN+2] & (g[`DIVLEN+1] | p[`DIVLEN+1] & (g[`DIVLEN] | (Sqrt & (p[`DIVLEN] & g[`DIVLEN-1])))));
assign #1 sign = p[`DIVLEN+3] ^ cout;
/* assign #1 magnitude = ~((ps[54]^pc[54]) & (ps[53]^pc[53]) &
(ps[52]^pc[52]));