Initial import of qemu-2.4.1HEADmaster

1 files changed, 24 insertions, 0 deletions

diff --git a/roms/SLOF/slof/fs/timebase.fs b/roms/SLOF/slof/fs/timebase.fs
new file mode 100644
index 00000000..00a0bd20
--- /dev/null
+++ b/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 ;