diff options
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | cartbank2.cfg.new | 63 | ||||
| -rw-r--r-- | cartbank2.cfg.old (renamed from cartbank2.cfg) | 1 | ||||
| -rw-r--r-- | cartbank2.sh | 25 |
4 files changed, 90 insertions, 0 deletions
@@ -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" |