Added secondary linker config for Apple2 overlays (like C64).

git-svn-id: svn://svn.cc65.org/cc65/trunk@5730 b7a2c559-68d2-44c3-8de9-860c34a00d81

diff --git a/src/ld65/cfg/apple2-overlay.cfg b/src/ld65/cfg/apple2-overlay.cfg
new file mode 100644 (file)
index 0000000..0fcfe4a
--- /dev/null
+++ b/src/ld65/cfg/apple2-overlay.cfg
@@ -0,0 +1,75 @@
+# Configuration for overlay programs (overlays located below main program)
+
+# The overlay files don't include the 4 byte DOS 3.3 header so use AppleCommander like this:
+# java -jar ac.jar -cc65 mydisk.dsk myprog   bin < myprog
+# java -jar ac.jar -p    mydisk.dsk myprog.1 bin < myprog.1
+# java -jar ac.jar -p    mydisk.dsk myprog.2 bin < myprog.2
+# java -jar ac.jar -p    mydisk.dsk myprog.3 bin < myprog.3
+# ...
+
+FEATURES {
+    STARTADDRESS: default = $0803;
+}
+SYMBOLS {
+    __EXEHDR__:      type = import;
+    __HIMEM__:       type = weak, value = $9600; # Presumed RAM end
+    __LCADDR__:      type = weak, value = $D400; # Behind quit code
+    __LCSIZE__:      type = weak, value = $0C00; # Rest of bank two
+    __STACKSIZE__:   type = weak, value = $0800; # 2k stack
+    __OVERLAYSIZE__: type = weak, value = $1000; # 4k overlay
+    __LOADADDR__:    type = weak, value = __STARTUP_RUN__;
+    __LOADSIZE__:    type = weak, value = __ZPSAVE_RUN__ - __STARTUP_RUN__ +
+                                          __MOVE_LAST__  - __MOVE_START__;
+}
+MEMORY {
+    ZP:                define = yes, start = $0080,                size = $001A;
+    HEADER: file = %O,               start = $0000,                size = $0004;
+    RAM:    file = %O,               start = %S + __OVERLAYSIZE__, size = __HIMEM__ - __STACKSIZE__ - __OVERLAYSIZE__ - %S;
+    MOVE:   file = %O, define = yes, start = $0000,                size = $FFFF;
+    LC:                define = yes, start = __LCADDR__,           size = __LCSIZE__;
+    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;
+    EXEHDR:   load = HEADER,          type = ro;
+    STARTUP:  load = RAM,             type = ro,  define = yes;
+    LOWCODE:  load = RAM,             type = ro;
+    CODE:     load = RAM,             type = ro;
+    RODATA:   load = RAM,             type = ro;
+    DATA:     load = RAM,             type = rw;
+    ZPSAVE:   load = RAM,             type = bss, define = yes;
+    BSS:      load = RAM,             type = bss, define = yes;
+    INIT:     load = MOVE, run = RAM, type = ro,  define = yes;
+    LC:       load = MOVE, run = LC,  type = ro,                optional = yes;
+    OVERLAY1: load = OVL1,            type = ro,  define = yes, optional = yes;
+    OVERLAY2: load = OVL2,            type = ro,  define = yes, optional = yes;
+    OVERLAY3: load = OVL3,            type = ro,  define = yes, optional = yes;
+    OVERLAY4: load = OVL4,            type = ro,  define = yes, optional = yes;
+    OVERLAY5: load = OVL5,            type = ro,  define = yes, optional = yes;
+    OVERLAY6: load = OVL6,            type = ro,  define = yes, optional = yes;
+    OVERLAY7: load = OVL7,            type = ro,  define = yes, optional = yes;
+    OVERLAY8: load = OVL8,            type = ro,  define = yes, optional = yes;
+    OVERLAY9: load = OVL9,            type = ro,  define = yes, optional = yes;
+}
+FEATURES {
+    CONDES: segment = INIT,
+            type    = constructor,
+            label   = __CONSTRUCTOR_TABLE__,
+            count   = __CONSTRUCTOR_COUNT__;
+    CONDES: segment = RODATA,
+            type    = destructor,
+            label   = __DESTRUCTOR_TABLE__,
+            count   = __DESTRUCTOR_COUNT__;
+    CONDES: segment = RODATA,
+            type    = interruptor,
+            label   = __INTERRUPTOR_TABLE__,
+            count   = __INTERRUPTOR_COUNT__;
+}

diff --git a/src/ld65/cfg/apple2enh-overlay.cfg b/src/ld65/cfg/apple2enh-overlay.cfg
new file mode 100644 (file)
index 0000000..0fcfe4a
--- /dev/null
+++ b/src/ld65/cfg/apple2enh-overlay.cfg
@@ -0,0 +1,75 @@
+# Configuration for overlay programs (overlays located below main program)
+
+# The overlay files don't include the 4 byte DOS 3.3 header so use AppleCommander like this:
+# java -jar ac.jar -cc65 mydisk.dsk myprog   bin < myprog
+# java -jar ac.jar -p    mydisk.dsk myprog.1 bin < myprog.1
+# java -jar ac.jar -p    mydisk.dsk myprog.2 bin < myprog.2
+# java -jar ac.jar -p    mydisk.dsk myprog.3 bin < myprog.3
+# ...
+
+FEATURES {
+    STARTADDRESS: default = $0803;
+}
+SYMBOLS {
+    __EXEHDR__:      type = import;
+    __HIMEM__:       type = weak, value = $9600; # Presumed RAM end
+    __LCADDR__:      type = weak, value = $D400; # Behind quit code
+    __LCSIZE__:      type = weak, value = $0C00; # Rest of bank two
+    __STACKSIZE__:   type = weak, value = $0800; # 2k stack
+    __OVERLAYSIZE__: type = weak, value = $1000; # 4k overlay
+    __LOADADDR__:    type = weak, value = __STARTUP_RUN__;
+    __LOADSIZE__:    type = weak, value = __ZPSAVE_RUN__ - __STARTUP_RUN__ +
+                                          __MOVE_LAST__  - __MOVE_START__;
+}
+MEMORY {
+    ZP:                define = yes, start = $0080,                size = $001A;
+    HEADER: file = %O,               start = $0000,                size = $0004;
+    RAM:    file = %O,               start = %S + __OVERLAYSIZE__, size = __HIMEM__ - __STACKSIZE__ - __OVERLAYSIZE__ - %S;
+    MOVE:   file = %O, define = yes, start = $0000,                size = $FFFF;
+    LC:                define = yes, start = __LCADDR__,           size = __LCSIZE__;
+    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;
+    EXEHDR:   load = HEADER,          type = ro;
+    STARTUP:  load = RAM,             type = ro,  define = yes;
+    LOWCODE:  load = RAM,             type = ro;
+    CODE:     load = RAM,             type = ro;
+    RODATA:   load = RAM,             type = ro;
+    DATA:     load = RAM,             type = rw;
+    ZPSAVE:   load = RAM,             type = bss, define = yes;
+    BSS:      load = RAM,             type = bss, define = yes;
+    INIT:     load = MOVE, run = RAM, type = ro,  define = yes;
+    LC:       load = MOVE, run = LC,  type = ro,                optional = yes;
+    OVERLAY1: load = OVL1,            type = ro,  define = yes, optional = yes;
+    OVERLAY2: load = OVL2,            type = ro,  define = yes, optional = yes;
+    OVERLAY3: load = OVL3,            type = ro,  define = yes, optional = yes;
+    OVERLAY4: load = OVL4,            type = ro,  define = yes, optional = yes;
+    OVERLAY5: load = OVL5,            type = ro,  define = yes, optional = yes;
+    OVERLAY6: load = OVL6,            type = ro,  define = yes, optional = yes;
+    OVERLAY7: load = OVL7,            type = ro,  define = yes, optional = yes;
+    OVERLAY8: load = OVL8,            type = ro,  define = yes, optional = yes;
+    OVERLAY9: load = OVL9,            type = ro,  define = yes, optional = yes;
+}
+FEATURES {
+    CONDES: segment = INIT,
+            type    = constructor,
+            label   = __CONSTRUCTOR_TABLE__,
+            count   = __CONSTRUCTOR_COUNT__;
+    CONDES: segment = RODATA,
+            type    = destructor,
+            label   = __DESTRUCTOR_TABLE__,
+            count   = __DESTRUCTOR_COUNT__;
+    CONDES: segment = RODATA,
+            type    = interruptor,
+            label   = __INTERRUPTOR_TABLE__,
+            count   = __INTERRUPTOR_COUNT__;
+}