CPU::Emulator::6502::Op::TYA - Transfer the Y register to the accumulator

Games-NES-Emulator documentation

Contained in the Games-NES-Emulator distribution.

Index

NAME
SYNOPSIS
DESCRIPTION
METHODS
- tya( )
AUTHOR
COPYRIGHT AND LICENSE
SEE ALSO
- * CPU::Emulator::6502

Code Index:

package CPU::Emulator::6502::Op::TYA
- tya
EOF

NAME

CPU::Emulator::6502::Op::TYA - Transfer the Y register to the accumulator

SYNOPSIS

DESCRIPTION

METHODS

tya( )

Transfers the Y register to the accumulator.

AUTHOR

Brian Cassidy <bricas@cpan.org>

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.

SEE ALSO

* CPU::Emulator::6502

Games-NES-Emulator documentation

Contained in the Games-NES-Emulator distribution.

package CPU::Emulator::6502::Op::TYA;

use strict;
use warnings;

use constant INSTRUCTIONS => {
    0x98 => {
        cycles => 2,
        code   => \&tya,
    }
};

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

    $reg->{ acc } = $reg->{ y };
    $self->set_nz( $reg->{ acc } );
}

1;