add TRAILER; calculate RAM size depending on start address

git-svn-id: svn://svn.cc65.org/cc65/trunk@3560 b7a2c559-68d2-44c3-8de9-860c34a00d81

diff --git a/src/ld65/cfg/atari.cfg b/src/ld65/cfg/atari.cfg
index b73a9459eec262528790f1f56dc66630d7ee2638..fe9a293a6ededd79e1f36aca6915f687503357c1 100644 (file)
--- a/src/ld65/cfg/atari.cfg
+++ b/src/ld65/cfg/atari.cfg
@@ -1,24 +1,27 @@
 FEATURES {
     STARTADDRESS: default = $2E00;
 }
+SYMBOLS {
+    __STACKSIZE__ = $800;      # 2K stack
+}
 MEMORY {
-    ZP:     start = $0082, size = $007E, type = rw, define = yes;
-    HEADER: start = $0000, size = $0006, file = %O;
-    RAM:    start = %S,    size = $8E20, file = %O;    # $8E20: matches upper bound $BC1F for 
-                                                       # the default start address of $2E00
+    ZP:      start = $0082, size = $007E, type = rw, define = yes;
+    HEADER:  start = $0000, size = $0006, file = %O;
+    RAM:     start = %S,    size = $BC20 - __STACKSIZE__ - %S, file = %O;
+    TRAILER: start = $0000, size = $0006, file = %O;
 }
 SEGMENTS {
-    EXEHDR:   load = HEADER, type = ro;
-    LOWCODE:  load = RAM,    type = ro, define = yes, optional = yes;
-    INIT:     load = RAM,    type = ro,               optional = yes;
-    CODE:     load = RAM,    type = ro;
-    RODATA:   load = RAM,    type = ro;
-    DATA:     load = RAM,    type = rw;
-    BSS:      load = RAM,    type = bss, define = yes;
-    HEAP:     load = RAM,    type = bss, optional = yes; # must sit just below stack
-    ZEROPAGE: load = ZP,     type = zp;
-    EXTZP:    load = ZP,     type = zp,               optional = yes;
-    AUTOSTRT: load = RAM,    type = ro;
+    EXEHDR:   load = HEADER,  type = ro;
+    LOWCODE:  load = RAM,     type = ro, define = yes, optional = yes;
+    INIT:     load = RAM,     type = ro,               optional = yes;
+    CODE:     load = RAM,     type = ro;
+    RODATA:   load = RAM,     type = ro;
+    DATA:     load = RAM,     type = rw;
+    BSS:      load = RAM,     type = bss, define = yes;
+    HEAP:     load = RAM,     type = bss, optional = yes; # must sit just below stack
+    ZEROPAGE: load = ZP,      type = zp;
+    EXTZP:    load = ZP,      type = zp,               optional = yes;
+    AUTOSTRT: load = TRAILER, type = ro;
 }
 FEATURES {
     CONDES: segment = INIT,
@@ -34,6 +37,3 @@ FEATURES {
            label = __INTERRUPTOR_TABLE__,
            count = __INTERRUPTOR_COUNT__;
 }
-SYMBOLS {
-    __STACKSIZE__ = $800;      # 2K stack
-}