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-rw-r--r--.gitignore1
-rw-r--r--cartbank2.cfg.new63
-rw-r--r--cartbank2.cfg.old (renamed from cartbank2.cfg)1
-rw-r--r--cartbank2.sh25
4 files changed, 90 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore
index dbf7582..fcf130b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+cartbank2.cfg
procsizes
msg.inc
messages.c
diff --git a/cartbank2.cfg.new b/cartbank2.cfg.new
new file mode 100644
index 0000000..b05d0fd
--- /dev/null
+++ b/cartbank2.cfg.new
@@ -0,0 +1,63 @@
+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
+ __STARTADDRESS__: type = export, value = %S;
+ __RESERVED_MEMORY__: type = weak, value = $0000;
+}
+MEMORY {
+ 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;
+ MAIN: file = %O, define = yes, start = %S, size = $BC20 - __STACKSIZE__ - __RESERVED_MEMORY__ - %S;
+ TRAILER: file = %O, start = $0000, size = $0006;
+# read-only data (and some code) goes in a cart bank
+ HIGHDATA: file = "rodata.8000" start = $8000, size = $2000;
+}
+SEGMENTS {
+ ZEROPAGE: load = ZP, type = zp;
+ EXTZP: load = ZP, type = zp, optional = yes;
+ EXEHDR: load = HEADER, type = ro;
+ SYSCHKHDR: load = SYSCHKHDR, type = ro, optional = yes;
+ SYSCHK: load = SYSCHKCHNK, type = rw, define = yes, optional = yes;
+ SYSCHKTRL: load = SYSCHKTRL, type = ro, optional = yes;
+ MAINHDR: load = MAINHDR, type = ro;
+ STARTUP: load = MAIN, type = ro, define = yes;
+ LOWCODE: load = MAIN, type = ro, define = yes, optional = yes;
+ ONCE: load = MAIN, type = ro, optional = yes;
+ CODE: load = MAIN, type = ro, define = yes;
+ RODATA: load = HIGHDATA, type = ro;
+ HIGHCODE: load = HIGHDATA, type = ro;
+ DATA: load = MAIN, type = rw;
+ INIT: load = MAIN, type = rw, optional = yes;
+ BSS: load = MAIN, type = bss, define = yes;
+ AUTOSTRT: load = TRAILER, type = ro;
+}
+FEATURES {
+ CONDES: type = constructor,
+ label = __CONSTRUCTOR_TABLE__,
+ count = __CONSTRUCTOR_COUNT__,
+ segment = ONCE;
+ CONDES: type = destructor,
+ label = __DESTRUCTOR_TABLE__,
+ count = __DESTRUCTOR_COUNT__,
+ segment = RODATA;
+ CONDES: type = interruptor,
+ label = __INTERRUPTOR_TABLE__,
+ count = __INTERRUPTOR_COUNT__,
+ segment = RODATA,
+ import = __CALLIRQ__;
+}
diff --git a/cartbank2.cfg b/cartbank2.cfg.old
index 1e6e5cc..6532e57 100644
--- a/cartbank2.cfg
+++ b/cartbank2.cfg.old
@@ -50,6 +50,7 @@ SEGMENTS {
ZEROPAGE: load = ZP, type = zp;
EXTZP: load = ZP, type = zp, optional = yes;
AUTOSTRT: load = TRAILER, type = ro;
+ ONCE: load = RAM, type = ro, optional = yes;
}
FEATURES {
CONDES: type = constructor,
diff --git a/cartbank2.sh b/cartbank2.sh
new file mode 100644
index 0000000..d9a0bce
--- /dev/null
+++ b/cartbank2.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+# cc65 linker script stuff changed between 2.15 and 2.16. Pick the right
+# .cfg for the version of cc65 we're using.
+
+DEST="cartbank2.cfg"
+
+VER="$( cc65 --version 2>&1 | sed 's,^.*V\([0-9.]*\) .*$,\1,' )"
+MAJOR="$( echo "$VER" | cut -d. -f1 )"
+MINOR="$( echo "$VER" | cut -d. -f2 )"
+VERDEC="$( printf "%d%03d" "$MAJOR" "$MINOR" )"
+
+if [ "$VERDEC" -lt "2015" ]; then
+ echo "*** Warning: cc65 version $VER is too old, upgrade to at least 2.15"
+ CFG=old
+elif [ "$VERDEC" -eq "2015" ]; then
+ CFG=old
+else
+ CFG=new
+fi
+
+CONFIG="$DEST.$CFG"
+echo "=== Found cc65 version $VER, using $CONFIG"
+rm -f "$DEST"
+cp "$CONFIG" "$DEST"