diff options
Diffstat (limited to 'qemu/roms/SLOF/slof/fs/timebase.fs')
| -rw-r--r-- | qemu/roms/SLOF/slof/fs/timebase.fs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/qemu/roms/SLOF/slof/fs/timebase.fs b/qemu/roms/SLOF/slof/fs/timebase.fs new file mode 100644 index 000000000..00a0bd203 --- /dev/null +++ b/qemu/roms/SLOF/slof/fs/timebase.fs @@ -0,0 +1,24 @@ +\ ***************************************************************************** +\ * 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 +\ ****************************************************************************/ +\ Define all timebase related words + +: tb@ ( -- tb ) + BEGIN tbu@ tbl@ tbu@ rot over <> WHILE 2drop REPEAT + 20 lshift swap ffffffff and or +; + +: milliseconds ( -- ms ) tb@ d# 1000 * tb-frequency / ; +: microseconds ( -- us ) tb@ d# 1000000 * tb-frequency / ; + +: ms ( ms-to-wait -- ) milliseconds + BEGIN milliseconds over >= UNTIL drop ; +: get-msecs ( -- n ) milliseconds ; +: us ( us-to-wait -- ) microseconds + BEGIN microseconds over >= UNTIL drop ; |