Moved Apple EXEHDR to separate module (similiar to CBMs).

git-svn-id: svn://svn.cc65.org/cc65/trunk@5708 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/apple2/Makefile

@@ -72,6 +72,7 @@ S_OBJS=	_scrsize.o	\
 	dosdetect.o	\
 	drives.o	\
 	exec.o		\
+	exehdr.o	\
 	filedes.o	\
 	filename.o	\
         get_ostype.o    \

libsrc/apple2/crt0.s

@@ -1,5 +1,5 @@
 ;
-; Oliver Schmidt, 15.09.2009
+; Oliver Schmidt, 2009-09-15
 ;
 ; Startup code for cc65 (Apple2 version)
 ;
@@ -9,25 +9,14 @@
         .import         zerobss
         .import    	initlib, donelib
         .import    	callmain, callirq
-        .import        	__RAM_START__ , __RAM_LAST__	; Linker generated
+        .import        	__RAM_LAST__, __ZPSAVE_RUN__	; Linker generated
-        .import         __MOVE_START__, __MOVE_LAST__	; Linker generated
+        .import         __LC_START__, __LC_LAST__	; Linker generated
-        .import         __LC_START__  , __LC_LAST__	; Linker generated
+        .import        	__INIT_SIZE__			; Linker generated
-        .import        	__ZPSAVE_RUN__, __INIT_SIZE__	; Linker generated
         .import        	__INTERRUPTOR_COUNT__		; Linker generated
 
         .include        "zeropage.inc"
         .include        "apple2.inc"
 
-        .linecont	+
-
-; ------------------------------------------------------------------------
-
-        .segment        "EXEHDR"
-
-        .addr           __RAM_START__			; Start address
-        .word           __ZPSAVE_RUN__ - __RAM_START__ + \
-			__MOVE_LAST__  - __MOVE_START__	; Size
-
 ; ------------------------------------------------------------------------
 
         .segment        "STARTUP"

libsrc/apple2/exehdr.s

@@ -0,0 +1,20 @@
+;
+; Oliver Schmidt, 2012-06-10
+;
+; This module supplies a 4 byte DOS 3.3 header
+; containing the load address and load length.
+;
+
+        .export         __EXEHDR__ : absolute = 1	; Linker referenced
+        .import        	__RAM_START__, __ZPSAVE_RUN__	; Linker generated
+        .import         __MOVE_START__, __MOVE_LAST__	; Linker generated
+
+        .linecont	+
+
+; ------------------------------------------------------------------------
+
+        .segment        "EXEHDR"
+
+        .addr           __RAM_START__			; Start address
+        .word           __ZPSAVE_RUN__ - __RAM_START__ + \
+			__MOVE_LAST__  - __MOVE_START__	; Size

libsrc/apple2enh/Makefile

@@ -75,6 +75,7 @@ S_OBJS=	_scrsize.o	\
 	dosdetect.o	\
 	drives.o	\
 	exec.o		\
+	exehdr.o	\
 	filedes.o	\
 	filename.o	\
         get_ostype.o    \

src/ld65/cfg/apple2-dos33.cfg

@@ -4,6 +4,7 @@ FEATURES {
     STARTADDRESS: default = $0803;
 }
 SYMBOLS {
+    __EXEHDR__:    type = import;
     __STACKSIZE__: type = weak, value = $0800; # 2k stack
 }
 MEMORY {

src/ld65/cfg/apple2-loader.cfg

@@ -4,6 +4,7 @@ FEATURES {
     STARTADDRESS: default = $0800;
 }
 SYMBOLS {
+    __EXEHDR__:    type = import;
     __STACKSIZE__: type = weak, value = $0800; # 2k stack
 }
 MEMORY {

src/ld65/cfg/apple2-reboot.cfg

@@ -5,6 +5,7 @@ FEATURES {
     STARTADDRESS: default = $0800;
 }
 SYMBOLS {
+    __EXEHDR__:    type = import;
     __STACKSIZE__: type = weak, value = $0800; # 2k stack
 }
 MEMORY {

src/ld65/cfg/apple2-system.cfg

@@ -1,6 +1,7 @@
 # Configuration for ProDOS 8 system programs (without the header)
 
 SYMBOLS {
+    __EXEHDR__:    type = import;
     __STACKSIZE__: type = weak, value = $0800; # 2k stack
 }
 MEMORY {

src/ld65/cfg/apple2.cfg

@@ -4,6 +4,7 @@ FEATURES {
     STARTADDRESS: default = $0803;
 }
 SYMBOLS {
+    __EXEHDR__:    type = import;
     __STACKSIZE__: type = weak, value = $0800; # 2k stack
 }
 MEMORY {

src/ld65/cfg/apple2enh-dos33.cfg

@@ -4,6 +4,7 @@ FEATURES {
     STARTADDRESS: default = $0803;
 }
 SYMBOLS {
+    __EXEHDR__:    type = import;
     __STACKSIZE__: type = weak, value = $0800; # 2k stack
 }
 MEMORY {

src/ld65/cfg/apple2enh-loader.cfg

@@ -4,6 +4,7 @@ FEATURES {
     STARTADDRESS: default = $0800;
 }
 SYMBOLS {
+    __EXEHDR__:    type = import;
     __STACKSIZE__: type = weak, value = $0800; # 2k stack
 }
 MEMORY {

src/ld65/cfg/apple2enh-reboot.cfg

@@ -5,6 +5,7 @@ FEATURES {
     STARTADDRESS: default = $0800;
 }
 SYMBOLS {
+    __EXEHDR__:    type = import;
     __STACKSIZE__: type = weak, value = $0800; # 2k stack
 }
 MEMORY {

src/ld65/cfg/apple2enh-system.cfg

@@ -1,6 +1,7 @@
 # Configuration for ProDOS 8 system programs (without the header)
 
 SYMBOLS {
+    __EXEHDR__:    type = import;
     __STACKSIZE__: type = weak, value = $0800; # 2k stack
 }
 MEMORY {

src/ld65/cfg/apple2enh.cfg

@@ -4,6 +4,7 @@ FEATURES {
     STARTADDRESS: default = $0803;
 }
 SYMBOLS {
+    __EXEHDR__:    type = import;
     __STACKSIZE__: type = weak, value = $0800; # 2k stack
 }
 MEMORY {