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#!/bin/sh
# xnf2pcf
# Converts perfectly good EXT records from an XNF file to
# a .pcf file for the "par" step of the Xilinx toolchain.
# Why on earth is this needed? Oh, well, the joys of working
# with black-box-ware.
# Usage: xnf2pcf <design.xnf >design.pcf
# Refer to the resulting .pcf file in the invocation of "par", syntax:
# par [options] infile[.ncd] outfile pcf_file[.pcf]
# Tested (successfully!) with XNF from Icarus Verilog, see
# http://www.geda.seul.org/tools/verilog/index.html
# and Xilinx back end tools from Foundation 1.5
# Author: Larry Doolittle <LRDoolittle@lbl.gov>
# Date: August 19, 1999
echo "SCHEMATIC START ;"
echo "SCHEMATIC END ;"
echo
awk '/^EXT/{gsub(",",""); printf("COMP \"%s\" LOCATE = SITE \"P%s\" ;\n", $2, $4)}'
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