Separate header and trailers of Atari system_check chunk.

[cc65] / cfg / atarixl-largehimem.cfg

diff --git a/cfg/atarixl-largehimem.cfg b/cfg/atarixl-largehimem.cfg
index 895cfe4306a646201d91b815284aff4eb06bd632..56d2af15bbbdcf6d3e57ec195f1087e87039e275 100644 (file)
--- a/cfg/atarixl-largehimem.cfg
+++ b/cfg/atarixl-largehimem.cfg
@@ -6,79 +6,75 @@
 FEATURES {
     STARTADDRESS: default = $2400;
 }
-
 SYMBOLS {
-    __STACKSIZE__:       type = weak, value = $0800; # 2k stack
-    __STARTADDRESS__:    type = export, value = %S;
-    syschk:              type = import;  # force inclusion of SYSCHK
-    sramprep:            type = import;  # force inclusion of SRPREP
+    __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
+    __STARTADDRESS__: type = export, value = %S;
 }
-
 MEMORY {
-    ZP:            file = "", define = yes, start = $0082,                  size = $007E;
+    ZP:         file = "", define = yes, start = $0082,                size = $007E;
 
 # 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;
 
 # "shadow RAM preparation" load chunk
-    SRPREPHDR:     file = %O,               start = $0000,                  size = $0004;
-    SRPREPCHNK:    file = %O, define = yes, start = %S,                     size = $7C20 - %S - $07FF;  # $07FF: space for temp. chargen buffer, 1K aligned
-    SRPREPTRL:     file = %O,               start = $0000,                  size = $0006;
+    SRPREPHDR:  file = %O,               start = $0000,                size = $0004;
+    SRPREPCHNK: file = %O, define = yes, start = %S,                   size = $7C20 - %S - $07FF;  # $07FF: space for temp. chargen buffer, 1K aligned
+    SRPREPTRL:  file = %O,               start = $0000,                size = $0006;
 
 # "main program" load chunk
-    MAINHDR:       file = %O,               start = $0000,                  size = $0004;
-    RAM:           file = %O, define = yes, start = %S +
-                                                   __LOWDATA_SIZE__,       size = $D000 -
-                                                                                  __STACKSIZE__ -
-                                                                                  %S -
-                                                                                  __LOWDATA_SIZE__;
+    MAINHDR:    file = %O,               start = $0000,                size = $0004;
+    MAIN:       file = %O, define = yes, start = %S + __LOWBSS_SIZE__, size = $D000 - __STACKSIZE__ - %S - __LOWBSS_SIZE__;
 
 # defines entry point into program
-    TRAILER:       file = %O,               start = $0000, size = $0006;
+    TRAILER:    file = %O,               start = $0000,                size = $0006;
 
 # address of relocated character generator
-    CHARGEN:       file = "", define = yes, start = $D800, size = $0400;
+    CHARGEN:    file = "", define = yes, start = $D800,                size = $0400;
 
 # memory beneath the ROM
-    HIDDEN_RAM:    file = "", define = yes, start = $DC00, size = $FFF0 - $DC00;
+    HIDDEN_RAM: file = "", define = yes, start = $DC00,                size = $FFFA - $DC00;
 }
-
 SEGMENTS {
-    EXEHDR:     load = HEADER,                      type = ro;
+    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;
+    SYSCHKHDR:   load = SYSCHKHDR,                    type = ro,                optional = yes;
+    SYSCHK:      load = SYSCHKCHNK,                   type = rw,  define = yes, optional = yes;
+    SYSCHKTRL:   load = SYSCHKTRL,                    type = ro,                optional = yes;
 
-    SRPREPHDR:  load = SRPREPHDR,                   type = ro;
-    LOWDATA:    load = SRPREPCHNK,                  type = bss, define = yes;  # shared btw. SRPREP and RAM
-    SRPREP:     load = SRPREPCHNK,                  type = rw,  define = yes;
+    SRPREPHDR:   load = SRPREPHDR,                    type = ro;
+    LOWBSS:      load = SRPREPCHNK,                   type = bss, define = yes;  # shared btw. SRPREPCHNK and RAM, not zero initialized
+    SRPREP:      load = SRPREPCHNK,                   type = rw,  define = yes;
     SHADOW_RAM:  load = SRPREPCHNK, run = HIDDEN_RAM, type = rw,  define = yes, optional = yes;
     SHADOW_RAM2: load = SRPREPCHNK, run = HIDDEN_RAM, type = rw,  define = yes, optional = yes;
-    SRPREPTRL:  load = SRPREPTRL,                   type = ro;
+    SRPREPTRL:   load = SRPREPTRL,                    type = ro;
 
-    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;
+    MAINHDR:     load = MAINHDR,                      type = ro;
+    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;
 }
 FEATURES {
     CONDES: type    = constructor,
             label   = __CONSTRUCTOR_TABLE__,
             count   = __CONSTRUCTOR_COUNT__,
-            segment = INIT;
+            segment = ONCE;
     CONDES: type    = destructor,
             label   = __DESTRUCTOR_TABLE__,
             count   = __DESTRUCTOR_COUNT__,