package CPU::Emulator::6502::Op::RTI;
use strict;
use warnings;
use constant INSTRUCTIONS => {
0x40 => {
cycles => 6,
code => \&rti,
}
};
=head1 NAME
CPU::Emulator::6502::Op::RTI - Return from BRK/IRQ/NMI
=head1 SYNOPSIS
=head1 DESCRIPTION
=head1 METHODS
=head2 rti( )
Return from BRK/IRQ/NMI.
=cut
sub rti {
my $self = shift;
my $reg = $self->registers;
$reg->{ status } = $self->pop_stack;
my $lo = $self->pop_stack;
my $hi = $self->pop_stack;
$reg->{ pc } = $self->make_word( $lo, $hi );
}
=head1 AUTHOR
Brian Cassidy E<lt>bricas@cpan.orgE<gt>
=head1 COPYRIGHT AND LICENSE
Copyright 2007 by Brian Cassidy
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
=head1 SEE ALSO
=over 4
=item * L<CPU::Emulator::6502>
=back
=cut
1;