Reduced c64-overlay.cfg's size by factoring out a different common expression.

diff --git a/cfg/c64-overlay.cfg b/cfg/c64-overlay.cfg
index a95c1f6efcd31467620e7fab7e097a319e1d4b97..07ce9e4b62888ea7dd07f7dab2d5a0d5f46f30f0 100644 (file)
--- a/cfg/c64-overlay.cfg
+++ b/cfg/c64-overlay.cfg
@@ -1,39 +1,39 @@
 FEATURES {
-    STARTADDRESS:    default = $0801;
+    STARTADDRESS:     default = $0801;
 }
 SYMBOLS {
-    __LOADADDR__:    type = import;
-    __EXEHDR__:      type = import;
-    __OVERLAYADDR__: type = import;
-    __STACKSIZE__:   type = weak,   value = $0800; # 2k stack
-    __OVERLAYSIZE__: type = weak,   value = $1000; # 4k overlay
-    __HIMEM__:       type = weak,   value = $D000;
-    __HIMEM2__:      type = export, value = __HIMEM__ - 2;
+    __LOADADDR__:     type = import;
+    __EXEHDR__:       type = import;
+    __OVERLAYADDR__:  type = import;
+    __STACKSIZE__:    type = weak,   value = $0800; # 2k stack
+    __OVERLAYSIZE__:  type = weak,   value = $1000; # 4k overlay
+    __HIMEM__:        type = weak,   value = $D000;
+    __OVERLAYSTART__: type = export, value = __HIMEM__ - __OVERLAYSIZE__;
 }
 MEMORY {
-    ZP:       file = "", define = yes, start = $0002,                        size = $001A;
-    LOADADDR: file = %O,               start = %S - 2,                       size = $0002;
-    HEADER:   file = %O, define = yes, start = %S,                           size = $000D;
-    RAM:      file = %O, define = yes, start = __HEADER_LAST__,              size = __HIMEM__ - __OVERLAYSIZE__ - __STACKSIZE__ - __HEADER_LAST__;
-    MOVE:     file = %O,               start = __ZPSAVE_LOAD__,              size = __HIMEM__ - __INIT_RUN__;
-    OVL1ADDR: file = "%O.1",           start = __HIMEM2__ - __OVERLAYSIZE__, size = $0002;
-    OVL1:     file = "%O.1",           start = __HIMEM__  - __OVERLAYSIZE__, size = __OVERLAYSIZE__;
-    OVL2ADDR: file = "%O.2",           start = __HIMEM2__ - __OVERLAYSIZE__, size = $0002;
-    OVL2:     file = "%O.2",           start = __HIMEM__  - __OVERLAYSIZE__, size = __OVERLAYSIZE__;
-    OVL3ADDR: file = "%O.3",           start = __HIMEM2__ - __OVERLAYSIZE__, size = $0002;
-    OVL3:     file = "%O.3",           start = __HIMEM__  - __OVERLAYSIZE__, size = __OVERLAYSIZE__;
-    OVL4ADDR: file = "%O.4",           start = __HIMEM2__ - __OVERLAYSIZE__, size = $0002;
-    OVL4:     file = "%O.4",           start = __HIMEM__  - __OVERLAYSIZE__, size = __OVERLAYSIZE__;
-    OVL5ADDR: file = "%O.5",           start = __HIMEM2__ - __OVERLAYSIZE__, size = $0002;
-    OVL5:     file = "%O.5",           start = __HIMEM__  - __OVERLAYSIZE__, size = __OVERLAYSIZE__;
-    OVL6ADDR: file = "%O.6",           start = __HIMEM2__ - __OVERLAYSIZE__, size = $0002;
-    OVL6:     file = "%O.6",           start = __HIMEM__  - __OVERLAYSIZE__, size = __OVERLAYSIZE__;
-    OVL7ADDR: file = "%O.7",           start = __HIMEM2__ - __OVERLAYSIZE__, size = $0002;
-    OVL7:     file = "%O.7",           start = __HIMEM__  - __OVERLAYSIZE__, size = __OVERLAYSIZE__;
-    OVL8ADDR: file = "%O.8",           start = __HIMEM2__ - __OVERLAYSIZE__, size = $0002;
-    OVL8:     file = "%O.8",           start = __HIMEM__  - __OVERLAYSIZE__, size = __OVERLAYSIZE__;
-    OVL9ADDR: file = "%O.9",           start = __HIMEM2__ - __OVERLAYSIZE__, size = $0002;
-    OVL9:     file = "%O.9",           start = __HIMEM__  - __OVERLAYSIZE__, size = __OVERLAYSIZE__;
+    ZP:       file = "", define = yes, start = $0002,                size = $001A;
+    LOADADDR: file = %O,               start = %S - 2,               size = $0002;
+    HEADER:   file = %O, define = yes, start = %S,                   size = $000D;
+    RAM:      file = %O, define = yes, start = __HEADER_LAST__,      size = __OVERLAYSTART__ - __STACKSIZE__ - __HEADER_LAST__;
+    MOVE:     file = %O,               start = __ZPSAVE_LOAD__,      size = __HIMEM__ - __INIT_RUN__;
+    OVL1ADDR: file = "%O.1",           start = __OVERLAYSTART__ - 2, size = $0002;
+    OVL1:     file = "%O.1",           start = __OVERLAYSTART__,     size = __OVERLAYSIZE__;
+    OVL2ADDR: file = "%O.2",           start = __OVERLAYSTART__ - 2, size = $0002;
+    OVL2:     file = "%O.2",           start = __OVERLAYSTART__,     size = __OVERLAYSIZE__;
+    OVL3ADDR: file = "%O.3",           start = __OVERLAYSTART__ - 2, size = $0002;
+    OVL3:     file = "%O.3",           start = __OVERLAYSTART__,     size = __OVERLAYSIZE__;
+    OVL4ADDR: file = "%O.4",           start = __OVERLAYSTART__ - 2, size = $0002;
+    OVL4:     file = "%O.4",           start = __OVERLAYSTART__,     size = __OVERLAYSIZE__;
+    OVL5ADDR: file = "%O.5",           start = __OVERLAYSTART__ - 2, size = $0002;
+    OVL5:     file = "%O.5",           start = __OVERLAYSTART__,     size = __OVERLAYSIZE__;
+    OVL6ADDR: file = "%O.6",           start = __OVERLAYSTART__ - 2, size = $0002;
+    OVL6:     file = "%O.6",           start = __OVERLAYSTART__,     size = __OVERLAYSIZE__;
+    OVL7ADDR: file = "%O.7",           start = __OVERLAYSTART__ - 2, size = $0002;
+    OVL7:     file = "%O.7",           start = __OVERLAYSTART__,     size = __OVERLAYSIZE__;
+    OVL8ADDR: file = "%O.8",           start = __OVERLAYSTART__ - 2, size = $0002;
+    OVL8:     file = "%O.8",           start = __OVERLAYSTART__,     size = __OVERLAYSIZE__;
+    OVL9ADDR: file = "%O.9",           start = __OVERLAYSTART__ - 2, size = $0002;
+    OVL9:     file = "%O.9",           start = __OVERLAYSTART__,     size = __OVERLAYSIZE__;
 }
 SEGMENTS {
     ZEROPAGE: load = ZP,              type = zp;