1 \ tag: forth fractal example
3 \ Copyright (C) 2002, 2003 Volker Poplawski <volker@poplawski.de>
6 \ This example even fits in a signature ;-)
8 \ hex 4666 dup negate do i 4000 dup 2* negate do 2a 0 dup 2dup 1e 0 do
9 \ 2swap * d >>a 4 pick + -rot - j + dup dup * e >>a rot dup dup * e >>a
10 \ rot swap 2dup + 10000 > if 3drop 2drop 20 0 dup 2dup leave then loop
11 \ 2drop 2drop type 268 +loop cr drop 5de +loop
21 2swap * d >>a 4 pick +
27 3drop 2drop 20 0 dup 2dup leave