diff --git a/testsuites/sptests/ChangeLog b/testsuites/sptests/ChangeLog
index c2bb4347c9..6e9c32dede 100644
--- a/testsuites/sptests/ChangeLog
+++ b/testsuites/sptests/ChangeLog
@@ -1,3 +1,7 @@
+2009-05-14	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* spprintk/init.c: More test cases.
+
 2009-05-14	Joel Sherrill <joel.sherrill@oarcorp.com>
 
 	* sp09/screen11.c, sp09/sp09.scn: Add case where buffer size is not
diff --git a/testsuites/sptests/spprintk/init.c b/testsuites/sptests/spprintk/init.c
index 382be54d79..cd835e12ec 100644
--- a/testsuites/sptests/spprintk/init.c
+++ b/testsuites/sptests/spprintk/init.c
@@ -21,13 +21,28 @@ rtems_task Init(
   bool                    retbool;
   Heap_Information_block  info;
 
-  puts( "\n\n*** TEST PRINTK ***" );
+  printk( "\n\n*** TEST PRINTK ***\n" );
 
   printk( "bad format -- %%q in parentheses (%q)\n" );
 
-  printk( "bad format -- %%lq in parentheses (%lq)\n" );
+  printk( "bad format -- %%lq in parentheses (%lq)\n", 0x1234 );
 
-  puts( "*** END OF TEST PRINTK ***" );
+  printk( "%%O octal upper case 16 -- %O\n", 16 );
+  printk( "%%o octal lower case of 16 -- %O\n", 16 );
+  printk( "%%I of 16 -- %I\n", 16 );
+  printk( "%%i of 16 -- %i\n", 16 );
+  printk( "%%D of 16 -- %D\n", 16 );
+  printk( "%%d of 16 -- %d\n", 16 );
+  printk( "%%U of 16 -- %U\n", 16 );
+  printk( "%%u of 16 -- %u\n", 16 );
+  printk( "%%X of 16 -- %X\n", 16 );
+  printk( "%%x of 16 -- %x\n", 16 );
+  printk( "%%p of 0x1234 -- %p\n", (void *)0x1234 );
+  printk( "%%s of Mary Had a Little Lamb -- (%s)\n", 
+          "Mary Had a Little Lamb" );
+  printk( "%%s of NULL -- (%s)\n", NULL );
+
+  printk( "*** END OF TEST PRINTK ***" );
   rtems_test_exit( 0 );
 }