Added kernal replacement routines

git-svn-id: svn://svn.cc65.org/cc65/trunk@1546 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/pet/Makefile

@@ -14,13 +14,19 @@
 OBJS =	_scrsize.o	\
 	break.o		\
 	cgetc.o		\
+        checkst.o       \
 	clrscr.o	\
 	color.o		\
 	conio.o		\
 	cputc.o		\
 	crt0.o		\
 	kbhit.o         \
+        kbsout.o        \
+        kchkin.o        \
+        kckout.o        \
+        kclose.o        \
         kernal.o        \
+        kopen.o         \
         krdtim.o        \
         kreadst.o       \
         ksetlfs.o       \