Use cbm_load() to load overlays on CBMs.

libsrc/cbm/overlayaddr.s

@@ -0,0 +1,47 @@
+;
+; Oliver Schmidt, 2013-05-28
+;
+; This module supplies the load addresses that are expected by Commodore
+; machines in the first two bytes of overlay disk files.
+;
+
+
+        ; The following symbol is used by linker config to force the module
+        ; to get included into the output file
+        .export         __OVERLAYADDR__: absolute = 1
+
+.segment        "OVL1ADDR"
+
+        .addr   *+2
+
+.segment        "OVL2ADDR"
+
+        .addr   *+2
+
+.segment        "OVL3ADDR"
+
+        .addr   *+2
+
+.segment        "OVL4ADDR"
+
+        .addr   *+2
+
+.segment        "OVL5ADDR"
+
+        .addr   *+2
+
+.segment        "OVL6ADDR"
+
+        .addr   *+2
+
+.segment        "OVL7ADDR"
+
+        .addr   *+2
+
+.segment        "OVL8ADDR"
+
+        .addr   *+2
+
+.segment        "OVL9ADDR"
+
+        .addr   *+2