Enable "system check" load chunk for non-XL Atari target.

[cc65] / cfg / atari.cfg

diff --git a/cfg/atari.cfg b/cfg/atari.cfg
index a82f64f74f1d85e7f077cfa8b5fc877c5a5a764b..df74b9aa9c7bbb772edf214a32ecc705f8745dbd 100644 (file)
--- a/cfg/atari.cfg
+++ b/cfg/atari.cfg
@@ -3,26 +3,42 @@ FEATURES {
 }
 SYMBOLS {
     __STACKSIZE__:       type = weak, value = $0800; # 2k stack
+    __STARTADDRESS__:    type = export, value = %S;
     __RESERVED_MEMORY__: type = weak, value = $0000;
+    syschk:              type = import;  # force inclusion of SYSCHK
 }
 MEMORY {
-    ZP:      file = "", define = yes, start = $0082, size = $007E;
-    HEADER:  file = %O,               start = $0000, size = $0006;
-    RAM:     file = %O,               start = %S,    size = $BC20 - __STACKSIZE__ - %S;
-    TRAILER: file = %O,               start = $0000, size = $0006;
+    ZP:            file = "", define = yes, start = $0082, size = $007E;
+
+# file header, just $FFFF
+    HEADER:        file = %O,               start = $0000, size = $0002;
+
+# "system check" load chunk
+    SYSCHKHDR:     file = %O,               start = $0000, size = $0004;
+    SYSCHKCHNK:    file = %O,               start = $2E00, size = $0300;
+    SYSCHKTRL:     file = %O,               start = $0000, size = $0006;
+
+# "main program" load chunk
+    MAINHDR:       file = %O,               start = $0000, size = $0004;
+    RAM:           file = %O, define = yes, start = %S,    size = $BC20 - __STACKSIZE__ - __RESERVED_MEMORY__ - %S;
+    TRAILER:       file = %O,               start = $0000, size = $0006;
 }
 SEGMENTS {
-    EXEHDR:   load = HEADER,  type = ro;
-    STARTUP:  load = RAM,     type = ro,  define = yes;
-    LOWCODE:  load = RAM,     type = ro,  define = yes, optional = yes;
-    INIT:     load = RAM,     type = ro,                optional = yes;
-    CODE:     load = RAM,     type = ro,  define = yes;
-    RODATA:   load = RAM,     type = ro;
-    DATA:     load = RAM,     type = rw;
-    BSS:      load = RAM,     type = bss, define = yes;
-    ZEROPAGE: load = ZP,      type = zp;
-    EXTZP:    load = ZP,      type = zp,                optional = yes;
-    AUTOSTRT: load = TRAILER, type = ro;
+    EXEHDR:    load = HEADER,     type = ro;
+    SYSCHKHDR: load = SYSCHKHDR,  type = ro,                optional = yes;
+    SYSCHK:    load = SYSCHKCHNK, type = rw,  define = yes, optional = yes;
+    SYSCHKTRL: load = SYSCHKTRL,  type = ro,                optional = yes;
+    MAINHDR:   load = MAINHDR,    type = ro;
+    STARTUP:   load = RAM,        type = ro,  define = yes;
+    LOWCODE:   load = RAM,        type = ro,  define = yes, optional = yes;
+    INIT:      load = RAM,        type = ro,                optional = yes;
+    CODE:      load = RAM,        type = ro,  define = yes;
+    RODATA:    load = RAM,        type = ro;
+    DATA:      load = RAM,        type = rw;
+    BSS:       load = RAM,        type = bss, define = yes;
+    ZEROPAGE:  load = ZP,         type = zp;
+    EXTZP:     load = ZP,         type = zp,                optional = yes;
+    AUTOSTRT:  load = TRAILER,    type = ro;
 }
 FEATURES {
     CONDES: type    = constructor,