70 lines
1.1 KiB
Perl
70 lines
1.1 KiB
Perl
use 5.20.0;
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my $script = "\$a = 1;\n";
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while(<>) {
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s/\b[a-h]\b/\$$&/g;
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s/sub (\S+) (\S+)/$1 -= $2;/;
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s/set (\S+) (\S+)/$1 = $2;/;
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s/mul (\S+) (\S+)/$1 *= $2;/;
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s/jnz (\S+) (\S+)/"goto L" . ($. + $2) . " if $1;"/e;
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s/^/L${.}: /;
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$script .= $_;
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}
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for ( 1..35 ) {
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my @c = $script =~ /(L$_[ :])/g;
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next if @c > 1;
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$script =~ s/L$_[ :] *//g;
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}
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print $script;
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__END__
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my $i = 0;
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my %reg = ( a => 1);
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my $last_played;
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use experimental qw/ signatures /;
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sub valof($x) {
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$x =~ /\d/ ? $x : $reg{$x};
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}
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my $vr = qr/(-?\d+|.)/;
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my $times;
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use DDP;
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my $t;
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while() {
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last if $i < 0 or $i > $#commands;
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$_ = $commands[$i++];
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# say $_;
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if( /set (.) $vr/ ) {
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$reg{$1} = valof($2);
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}
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elsif( /sub (.) $vr/ ) {
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$reg{$1} -= valof($2);
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}
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elsif( /mul (.) $vr/ ) {
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$reg{$1} *= valof($2);
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}
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elsif( /jnz (.) $vr/ ) {
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$i += -1 + valof($2) if valof($1) != 0;
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}
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else { die "wut? $_"; }
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say $i;
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# say $_;
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p %reg unless $t++ % 10_000;
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# my $dummy = <STDIN>;
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}
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say $reg{h};
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