Disallow pass/return of 3-byte struct (#2022), document capability added in #1102.

2023-05-02 19:00:34 -04:00
parent 805e98a7aa
commit e7046a02ff
2 changed files with 2 additions and 4 deletions
--- a/doc/cc65.sgml
+++ b/doc/cc65.sgml
@@ -806,9 +806,8 @@ and the one defined by the ISO standard:

 <item>  The datatypes "float" and "double" are not available.
        <p>
-<item>  C Functions may not return structs (or unions), and structs may not
-        be passed as parameters by value. However, struct assignment *is*
-        possible.
+<item>  C Functions may return structs (or unions) by value, but only of
+        1, 2 or 4 byte sizes.
        <p>
 <item>  Most of the C library is available with only the fastcall calling
        convention (<ref id="extension-fastcall" name="see below">).  It means