33 |
} |
} |
34 |
} |
} |
35 |
|
|
36 |
my $loop; |
my @tape_bits; |
37 |
|
|
38 |
sub read_tape { |
sub read_tape { |
39 |
my $self = shift; |
my $self = shift; |
47 |
_warn "end of tape [$pos]"; |
_warn "end of tape [$pos]"; |
48 |
return -1; |
return -1; |
49 |
} |
} |
|
my $byte = ord(substr($self->tape,$pos,1)); |
|
50 |
|
|
51 |
if ( ++$loop % $self->tape_rate == 0 ) { |
if ( ! @tape_bits ) { |
52 |
|
my $byte = ord( substr($self->tape,$pos,1) ); |
53 |
warn sprintf("tape pos %d = %02x\n", $pos, $byte); |
warn sprintf("tape pos %d = %02x\n", $pos, $byte); |
54 |
|
|
55 |
$pos++; |
$pos++; |
56 |
$self->tape_pos( $pos ); |
$self->tape_pos( $pos ); |
57 |
|
|
58 |
|
@tape_bits = split(//, unpack("B8",$byte) ); |
59 |
} |
} |
60 |
return $byte; |
my $bit = shift @tape_bits ? 0xff : 0x00; |
61 |
|
warn "\t$bit\n"; |
62 |
|
return $bit; |
63 |
} |
} |
64 |
|
|
65 |
=head2 load_tape |
=head2 load_tape |