Added target docs on the clock_... functions.

2018-11-13 18:31:53 +01:00
parent 83768a1e8a
commit 4b42d6ad54
6 changed files with 98 additions and 26 deletions
--- a/doc/c128.sgml
+++ b/doc/c128.sgml
@@ -339,6 +339,13 @@ The default drivers, <tt/mouse_stddrv (mouse_static_stddrv)/, point to <tt/c128-
 <sect>Limitations<p>


+<sect1>Realtime clock<p>
+
+The realtime clock functions use the CIA1 TOD clock. As that clock only stores
+the time but not the date, the date set by <tt/clock_settime()/ ist simply stored
+inside the C library for retrieval in the same program via <tt/clock_gettime()/.
+
+

 <sect>Other hints<p>