X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=cfg%2Fatari-overlay.cfg;h=87e62d7648936db308695de14d71e4f41f4426d4;hb=cbb2833c01a8db64931a7e1dca80736bb9f3f858;hp=1cc0eb725e893576968bebeaef32a284b29da28c;hpb=bf3a23c34c813e5a9f0fac69620ef1565cf4e023;p=cc65

diff --git a/cfg/atari-overlay.cfg b/cfg/atari-overlay.cfg
index 1cc0eb725..87e62d764 100644
--- a/cfg/atari-overlay.cfg
+++ b/cfg/atari-overlay.cfg
@@ -2,54 +2,57 @@ FEATURES {
     STARTADDRESS: default = $2000;
 }
 SYMBOLS {
+    __EXEHDR__:          type = import;
+    __SYSTEM_CHECK__:    type = import;  # force inclusion of "system check" load chunk
+    __AUTOSTART__:       type = import;  # force inclusion of autostart "trailer"
     __STACKSIZE__:       type = weak, value = $0800; # 2k stack
     __OVERLAYSIZE__:     type = weak, value = $1000; # 4k overlay
     __STARTADDRESS__:    type = export, value = %S;
     __RESERVED_MEMORY__: type = weak, value = $0000;
-    __SYSTEM_CHECK__:    type = import;  # force inclusion of "system check" load chunk
 }
 MEMORY {
-    ZP:            file = "", define = yes, start = $0082, size = $007E;
+    ZP:         file = "", define = yes, start = $0082,                size = $007E;
 
 # file header, just $FFFF
-    HEADER:        file = %O,               start = $0000, size = $0002;
+    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;
+    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 + __OVERLAYSIZE__,
-                                                           size = $BC20 - __OVERLAYSIZE__ - __STACKSIZE__ - __RESERVED_MEMORY__ - %S;
-    TRAILER:       file = %O,               start = $0000, size = $0006;
+    MAINHDR:    file = %O,               start = $0000,                size = $0004;
+    MAIN:       file = %O, define = yes, start = %S + __OVERLAYSIZE__, size = $BC20 - __OVERLAYSIZE__ - __STACKSIZE__ - __RESERVED_MEMORY__ - %S;
+    TRAILER:    file = %O,               start = $0000,                size = $0006;
 
-    OVL1:          file = "%O.1",           start = %S,    size = __OVERLAYSIZE__;
-    OVL2:          file = "%O.2",           start = %S,    size = __OVERLAYSIZE__;
-    OVL3:          file = "%O.3",           start = %S,    size = __OVERLAYSIZE__;
-    OVL4:          file = "%O.4",           start = %S,    size = __OVERLAYSIZE__;
-    OVL5:          file = "%O.5",           start = %S,    size = __OVERLAYSIZE__;
-    OVL6:          file = "%O.6",           start = %S,    size = __OVERLAYSIZE__;
-    OVL7:          file = "%O.7",           start = %S,    size = __OVERLAYSIZE__;
-    OVL8:          file = "%O.8",           start = %S,    size = __OVERLAYSIZE__;
-    OVL9:          file = "%O.9",           start = %S,    size = __OVERLAYSIZE__;
+# overlays
+    OVL1:       file = "%O.1",           start = %S,                   size = __OVERLAYSIZE__;
+    OVL2:       file = "%O.2",           start = %S,                   size = __OVERLAYSIZE__;
+    OVL3:       file = "%O.3",           start = %S,                   size = __OVERLAYSIZE__;
+    OVL4:       file = "%O.4",           start = %S,                   size = __OVERLAYSIZE__;
+    OVL5:       file = "%O.5",           start = %S,                   size = __OVERLAYSIZE__;
+    OVL6:       file = "%O.6",           start = %S,                   size = __OVERLAYSIZE__;
+    OVL7:       file = "%O.7",           start = %S,                   size = __OVERLAYSIZE__;
+    OVL8:       file = "%O.8",           start = %S,                   size = __OVERLAYSIZE__;
+    OVL9:       file = "%O.9",           start = %S,                   size = __OVERLAYSIZE__;
 }
 SEGMENTS {
+    ZEROPAGE:  load = ZP,         type = zp;
+    EXTZP:     load = ZP,         type = zp,                optional = yes;
     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;
+    STARTUP:   load = MAIN,       type = ro,  define = yes;
+    LOWCODE:   load = MAIN,       type = ro,  define = yes, optional = yes;
+    ONCE:      load = MAIN,       type = ro,                optional = yes;
+    CODE:      load = MAIN,       type = ro,  define = yes;
+    RODATA:    load = MAIN,       type = ro;
+    DATA:      load = MAIN,       type = rw;
+    INIT:      load = MAIN,       type = rw,                optional = yes;
+    BSS:       load = MAIN,       type = bss, define = yes;
     AUTOSTRT:  load = TRAILER,    type = ro;
     OVERLAY1:  load = OVL1,       type = ro,  define = yes, optional = yes;
     OVERLAY2:  load = OVL2,       type = ro,  define = yes, optional = yes;
@@ -65,7 +68,7 @@ FEATURES {
     CONDES: type    = constructor,
             label   = __CONSTRUCTOR_TABLE__,
             count   = __CONSTRUCTOR_COUNT__,
-            segment = INIT;
+            segment = ONCE;
     CONDES: type    = destructor,
             label   = __DESTRUCTOR_TABLE__,
             count   = __DESTRUCTOR_COUNT__,