Turned the 'ST' status byte into a symbol resolved by the linker in order to allow to use it from code living in the 'cbm' directory.

Moved getdevice.s from 'c64'/'c128' to 'cbm' making use of the new 'ST' setup.

git-svn-id: svn://svn.cc65.org/cc65/trunk@5834 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/pet/Makefile

@@ -70,6 +70,7 @@ OBJS =	_scrsize.o	\
         mainargs.o      \
         randomize.o	\
 	revers.o        \
+	status.o        \
         sysuname.o
 
 #--------------------------------------------------------------------------

libsrc/pet/checkst.s

@@ -6,8 +6,7 @@
 ;
 
         .export         checkst
-
-        .include        "pet.inc"
+        .importzp       ST
 
 
 .proc   checkst
@@ -22,5 +21,3 @@
         rts
 
 .endproc
-
-

libsrc/pet/crt0.s

@@ -9,6 +9,7 @@
 	.import		callmain
         .import         CLRCH, BSOUT
 	.import		__INTERRUPTOR_COUNT__
+	.importzp       ST
 
         .include        "zeropage.inc"
 	.include	"pet.inc"

libsrc/pet/kreadst.s

@@ -5,8 +5,7 @@
 ;
 
         .export         READST
-
-        .include        "pet.inc"
+        .importzp       ST
 
 
 .proc   READST

libsrc/pet/status.s

@@ -0,0 +1,5 @@
+;
+; Oliver Schmidt, 2012-09-30
+;
+
+	.exportzp	ST := $96	; IEC status byte