From 35c963e9dcb4274c078436e13d708adc33b71604 Mon Sep 17 00:00:00 2001
From: Oliver Schmidt <ol.sc@web.de>
Date: Thu, 2 Jan 2020 13:16:03 +0100
Subject: [PATCH] Adjusted linker configuration.

Unfortunately cc65 linker configurations tend to need adjustments when upgrading to later cc65 versions. With this change the linker config works with cc65 V2.18.
---
 src/c64/chess.cfg | 50 ++++++++++++++++++++++++-----------------------
 1 file changed, 26 insertions(+), 24 deletions(-)

diff --git a/src/c64/chess.cfg b/src/c64/chess.cfg
index 7556eb1..359ba2f 100644
--- a/src/c64/chess.cfg
+++ b/src/c64/chess.cfg
@@ -1,39 +1,41 @@
 SYMBOLS {
     __LOADADDR__:  type = import;
     __EXEHDR__:    type = import;
-    __STACKSIZE__: type = weak,   value = $0800; # 2k stack
+    __STACKSIZE__: type = weak, value = $0800; # 2k stack
+    __HIMEM__:     type = weak, value = $D000;
 }
 MEMORY {
     ZP:       file = "", define = yes, start = $0002, size = $001A;
     LOADADDR: file = %O,               start = $07FF, size = $0002;
     HEADER:   file = %O,               start = $0801, size = $000C;
-    RAM1:     file = %O, define = yes, start = $080D, size = $7BF3;
-    RAM:      file = %O, define = yes, start = $9000, size = $3C00 - __STACKSIZE__;
+    MAIN:     file = %O, define = yes, start = $080D, size = $7BF3;
+    BSS:      file = "",               start = $9000, size = $3C00 - __STACKSIZE__;
 }
 SEGMENTS {
+    ZEROPAGE: load = ZP,       type = zp;
     LOADADDR: load = LOADADDR, type = ro;
     EXEHDR:   load = HEADER,   type = ro;
-    STARTUP:  load = RAM1,     type = ro;
-    LOWCODE:  load = RAM1,     type = ro,                optional = yes;
-    INIT:     load = RAM1,     type = ro,  define = yes, optional = yes;
-    CODE:     load = RAM1,     type = ro;
-    RODATA:   load = RAM1,     type = ro;
-    DATA:     load = RAM1,     type = rw;
-    ZPSAVE:   load = RAM,      type = bss, define = yes;
-    BSS:      load = RAM,      type = bss, define = yes;
-    ZEROPAGE: load = ZP,       type = zp;
+    STARTUP:  load = MAIN,     type = ro;
+    LOWCODE:  load = MAIN,     type = ro,  optional = yes;
+    CODE:     load = MAIN,     type = ro;
+    RODATA:   load = MAIN,     type = ro;
+    DATA:     load = MAIN,     type = rw;
+    INIT:     load = MAIN,     type = ro;
+    ONCE:     load = MAIN,     type = ro,  define   = yes;
+    BSS:      load = BSS,      type = bss, define   = yes;
 }
 FEATURES {
-    CONDES: segment = INIT,
-	    type    = constructor,
-	    label   = __CONSTRUCTOR_TABLE__,
-	    count   = __CONSTRUCTOR_COUNT__;
-    CONDES: segment = RODATA,
-	    type    = destructor,
-	    label   = __DESTRUCTOR_TABLE__,
-	    count   = __DESTRUCTOR_COUNT__;
-    CONDES: segment = RODATA,
-	    type    = interruptor,
-	    label   = __INTERRUPTOR_TABLE__,
-	    count   = __INTERRUPTOR_COUNT__;
+    CONDES: type    = constructor,
+            label   = __CONSTRUCTOR_TABLE__,
+            count   = __CONSTRUCTOR_COUNT__,
+            segment = ONCE;
+    CONDES: type    = destructor,
+            label   = __DESTRUCTOR_TABLE__,
+            count   = __DESTRUCTOR_COUNT__,
+            segment = RODATA;
+    CONDES: type    = interruptor,
+            label   = __INTERRUPTOR_TABLE__,
+            count   = __INTERRUPTOR_COUNT__,
+            segment = RODATA,
+            import  = __CALLIRQ__;
 }