| Games-NES-Emulator documentation | Contained in the Games-NES-Emulator distribution. |
CPU::Emulator::6502::Op::RTI - Return from BRK/IRQ/NMI
Return from BRK/IRQ/NMI.
Brian Cassidy <bricas@cpan.org>
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.
| Games-NES-Emulator documentation | Contained in the Games-NES-Emulator distribution. |
package CPU::Emulator::6502::Op::RTI; use strict; use warnings; use constant INSTRUCTIONS => { 0x40 => { cycles => 6, code => \&rti, } };
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 ); }
1;