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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/openbios/forth/testsuite/fract.fs
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/openbios/forth/testsuite/fract.fs')
-rw-r--r--qemu/roms/openbios/forth/testsuite/fract.fs35
1 files changed, 35 insertions, 0 deletions
diff --git a/qemu/roms/openbios/forth/testsuite/fract.fs b/qemu/roms/openbios/forth/testsuite/fract.fs
new file mode 100644
index 000000000..39c984056
--- /dev/null
+++ b/qemu/roms/openbios/forth/testsuite/fract.fs
@@ -0,0 +1,35 @@
+\ tag: forth fractal example
+\
+\ Copyright (C) 2002, 2003 Volker Poplawski <volker@poplawski.de>
+\ Stefan Reinauer
+
+\ This example even fits in a signature ;-)
+
+\ hex 4666 dup negate do i 4000 dup 2* negate do 2a 0 dup 2dup 1e 0 do
+\ 2swap * d >>a 4 pick + -rot - j + dup dup * e >>a rot dup dup * e >>a
+\ rot swap 2dup + 10000 > if 3drop 2drop 20 0 dup 2dup leave then loop
+\ 2drop 2drop type 268 +loop cr drop 5de +loop
+
+
+: fract
+4666 dup negate
+do
+ i 4000 dup 2* negate
+ do
+ 2a 0 dup 2dup 1e 0
+ do
+ 2swap * d >>a 4 pick +
+ -rot - j +
+ dup dup * e >>a rot
+ dup dup * e >>a rot
+ swap
+ 2dup + 10000 > if
+ 3drop 2drop 20 0 dup 2dup leave
+ then
+ loop
+ 2drop 2drop
+ emit
+ 268 +loop
+ cr drop
+5de +loop
+;