summaryrefslogtreecommitdiffstats
path: root/qemu/roms/SLOF/slof/fs/stack.fs
diff options
context:
space:
mode:
Diffstat (limited to 'qemu/roms/SLOF/slof/fs/stack.fs')
-rw-r--r--qemu/roms/SLOF/slof/fs/stack.fs57
1 files changed, 0 insertions, 57 deletions
diff --git a/qemu/roms/SLOF/slof/fs/stack.fs b/qemu/roms/SLOF/slof/fs/stack.fs
deleted file mode 100644
index 0f7e097bf..000000000
--- a/qemu/roms/SLOF/slof/fs/stack.fs
+++ /dev/null
@@ -1,57 +0,0 @@
-\ *****************************************************************************
-\ * Copyright (c) 2004, 2008 IBM Corporation
-\ * All rights reserved.
-\ * This program and the accompanying materials
-\ * are made available under the terms of the BSD License
-\ * which accompanies this distribution, and is available at
-\ * http://www.opensource.org/licenses/bsd-license.php
-\ *
-\ * Contributors:
-\ * IBM Corporation - initial implementation
-\ ****************************************************************************/
-
-
-\ Example:
-\
-\ To get a 30 element stack, go:
-\
-\ 0 > 30 new-stack my-stack
-\ 0 > my-stack
-\ 0 > 20 push 30 push
-\ 0 > pop pop .s
-
-0 value current-stack
-
-: new-stack ( cells <>name -- )
- create >r here ( here R: cells )
- dup r@ 2 + cells ( here here bytes R: cells )
- dup allot erase ( here R: cells)
- cell+ r> ( here+1cell cells )
- swap ! ( )
- DOES> to current-stack
-;
-
-: reset-stack ( -- )
- 0 current-stack !
-;
-
-: stack-depth ( -- depth )
- current-stack @
-;
-
-: push ( value -- )
- current-stack @
- current-stack cell+ @ over <= ABORT" Stack overflow"
- cells
- 1 current-stack +!
- current-stack 2 cells + + !
-;
-
-: pop ( -- value )
- current-stack @ 0= ABORT" Stack underflow"
- current-stack @ cells
- current-stack + cell+ @
- -1 current-stack +!
-;
-
-