+# Sample linker configuration for C programs using the Atari binary file support.
+# Use with: cl65 -tatari -Catari-c-xex.cfg prog.c -o prog.xex
FEATURES {
- STARTADDRESS: default = $2E00;
+ STARTADDRESS: default = $2000;
}
SYMBOLS {
- __STARTADDRESS__: type = export, value = %S;
+ __SYSTEM_CHECK__: type = import; # force inclusion of "system check" load chunk
+ __STACKSIZE__: type = weak, value = $0800; # 2k stack
+ __STARTADDRESS__: type = export, value = %S;
+ __RESERVED_MEMORY__: type = weak, value = $0000;
+ __SYSCHKHDR__: type = export, value = 0; # Disable system check header
+ __SYSCHKTRL__: type = export, value = 0; # Disable system check trailer
}
MEMORY {
- ZP: file = "", define = yes, start = $0082, size = $007E;
- MAIN: file = %O, define = yes, start = %S, size = $BC20 - %S;
+ ZP: file = "", define = yes, start = $0082, size = $007E;
+# "system check" load chunk
+ SYSCHKCHNK: file = %O, start = $2E00, size = $0300;
+# "main program" load chunk
+ MAIN: file = %O, define = yes, start = %S, size = $BC20 - __STACKSIZE__ - __RESERVED_MEMORY__ - %S;
}
FILES {
%O: format = atari;
}
FORMATS {
- atari: runad = start;
+ atari: runad = start,
+ initad = SYSCHKCHNK: __SYSTEM_CHECK__;
}
SEGMENTS {
- ZEROPAGE: load = ZP, type = zp, optional = yes;
- EXTZP: load = ZP, type = zp, optional = yes; # to enable modules to be able to link to C and assembler programs
- CODE: load = MAIN, type = rw, define = yes;
- RODATA: load = MAIN, type = ro optional = yes;
- DATA: load = MAIN, type = rw optional = yes;
- BSS: load = MAIN, type = bss, optional = yes, define = yes;
+ ZEROPAGE: load = ZP, type = zp;
+ EXTZP: load = ZP, type = zp, optional = yes;
+ SYSCHK: load = SYSCHKCHNK, type = rw, define = yes, optional = yes;
+ STARTUP: load = MAIN, type = ro, define = yes;
+ LOWBSS: load = MAIN, type = rw, optional = yes; # not zero initialized
+ 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;
+}
+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__;
}