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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/SLOF/slof/fs/timebase.fs
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/SLOF/slof/fs/timebase.fs')
-rw-r--r--roms/SLOF/slof/fs/timebase.fs24
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 000000000..00a0bd203
--- /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 ;