package RiscosLib;

require Exporter;
@ISA = Exporter;
@EXPORT = qw(regmask SWINumberFromString);

for $i (0..7) { $in[$i] = 1<<$i; $out[$i] = 1<<(31-$i); }

sub regmask {
	my $ir = shift;
	my $or = shift;
	my $mask = 0;
	while (@$ir) { $mask |= $in[ shift(@$ir) ]; };
	while (@$or) { $mask |= $out[ shift(@$or) ]; };
	$mask;
}

sub SWINumberFromString {
	my $str = shift()."\n";
	syscall(57,2,$str);
}


1;

