CPU::Emulator::6502::Op::SED - Set decimal mode

Games-NES-Emulator documentation

Contained in the Games-NES-Emulator distribution.

Index

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

Code Index:

package CPU::Emulator::6502::Op::SED
- sed
EOF

NAME

CPU::Emulator::6502::Op::SED - Set decimal mode

SYNOPSIS

DESCRIPTION

METHODS

sed( )

Sets the decimal mode flag.

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::SED;

use strict;
use warnings;

use constant INSTRUCTIONS => {
    0xF8 => {
        cycles => 2,
        code => \&sed,
    }
};

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

    $reg->{ status } |= CPU::Emulator::6502::SET_DECIMAL;
}

1;