11 lines · 227 B · Perl
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#!/usr/bin/perl use warnings;use strict; die "Usage: makeopv.pl <opcode> <flags> <value>\n" if (@ARGV != 3); my ($opcode, $flags, $value) = @ARGV; printf("0x%.8x\n", oct($opcode) | oct($flags) << 10 | oct($value) << 18);