add support for 16K cartridges

[cc65] / cfg / atari-cart.cfg

diff --git a/cfg/atari-cart.cfg b/cfg/atari-cart.cfg
index ab84f98fc291090212849b8deb598183b7e264ab..10674dc491841d09fc9ca4df170e92d058c6334a 100644 (file)
--- a/cfg/atari-cart.cfg
+++ b/cfg/atari-cart.cfg
@@ -2,6 +2,7 @@ FEATURES {
     STARTADDRESS: default = $2000;
 }
 SYMBOLS {
+    __CARTSIZE__:        type = weak,   value = $2000; # possible values: $2000 and $4000
     __CART_HEADER__:     type = import;
     __STACKSIZE__:       type = weak,   value = $0800; # 2k stack
     __STARTADDRESS__:    type = export, value = %S;
@@ -9,10 +10,10 @@ SYMBOLS {
     __CARTFLAGS__:       type = weak,   value = $01;   # see documentation for other possible values
 }
 MEMORY {
-    ZP:         file = "", define = yes, start = $0082, size = $007E;
-    RAM:        file = "", define = yes, start = %S,    size = $2000;
-    ROM:        file = %O, define = yes, start = $A000, size = $1FFA, fill = yes, fillval = $FF;
-    CARTID:     file = %O,               start = $BFFA, size = $0006;
+    ZP:         file = "", define = yes, start = $0082,                size = $007E;
+    RAM:        file = "", define = yes, start = %S,                   size = __CARTSIZE__;
+    ROM:        file = %O, define = yes, start = $C000 - __CARTSIZE__, size = __CARTSIZE__ - 6, fill = yes, fillval = $FF;
+    CARTID:     file = %O,               start = $BFFA,                size = $0006;
 }
 SEGMENTS {
     STARTUP:   load = ROM,            type = ro,  define = yes, optional = yes;