CPU::Emulator::6502::Op::RTS - Return from subroutine


Games-NES-Emulator documentation Contained in the Games-NES-Emulator distribution.

Index


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NAME

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CPU::Emulator::6502::Op::RTS - Return from subroutine

SYNOPSIS

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DESCRIPTION

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METHODS

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rts( )

Return from subroutine.

AUTHOR

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Brian Cassidy <bricas@cpan.org>

COPYRIGHT AND LICENSE

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SEE ALSO

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* CPU::Emulator::6502

Games-NES-Emulator documentation Contained in the Games-NES-Emulator distribution.
package CPU::Emulator::6502::Op::RTS;

use strict;
use warnings;

use constant INSTRUCTIONS => {
    0x60 => {
        cycles => 6,
        code => \&rts,
    }
};

sub rts {
    my $self = shift;
    my $reg = $self->registers;

    my $lo = $self->pop_stack;
    my $hi = $self->pop_stack;

    $reg->{ pc } = $self->make_word( $lo, $hi );
    $reg->{ pc }++;
}

1;