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Progress in presentation

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This commit is contained in:
Clifford Wolf 2014-06-21 16:33:33 +02:00
parent 1c85584fe5
commit b18fa95d2f
9 changed files with 188 additions and 23 deletions
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2
manual/PRESENTATION_ExSyn/Makefile
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@ -8,7 +8,7 @@ TARGETS += abc_01
all: $(addsuffix .pdf,$(TARGETS))
define make_pdf_template
$(1).pdf: $(1).v $(1).ys
$(1).pdf: $(1)*.v $(1)*.ys
../../yosys -p 'script $(1).ys; show -notitle -prefix $(1) -format pdf'
endef

6
manual/PRESENTATION_ExSyn/techmap_01_map.v
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@ -13,9 +13,9 @@ output [Y_WIDTH-1:0] Y;
generate
if ((A_WIDTH == 32) && (B_WIDTH == 32))
begin
wire [15:0] CARRY = |{A[15:0], B[15:0]} && ~|Y[15:0];
assign Y[15:0] = A[15:0] + B[15:0];
assign Y[31:16] = A[31:16] + B[31:16] + CARRY;
wire [16:0] S1 = A[15:0] + B[15:0];
wire [15:0] S2 = A[31:16] + B[31:16] + S1[16];
assign Y = {S2[15:0], S1[15:0]};
end
else
wire _TECHMAP_FAIL_ = 1;