51 lines
2.1 KiB
INI
51 lines
2.1 KiB
INI
# Custom cc65 C64 linker config for Vectorgons.
|
|
# Code/RO/DATA live below the hi-res bitmap ($0801-$1FFF); the bitmap occupies
|
|
# $2000-$3FFF; BSS/heap/C-stack live above it ($4000-$CFFF). This guarantees
|
|
# the VIC-II bitmap region is never clobbered by program data.
|
|
FEATURES {
|
|
STARTADDRESS: default = $0801;
|
|
}
|
|
SYMBOLS {
|
|
__LOADADDR__: type = import;
|
|
__EXEHDR__: type = import;
|
|
__STACKSIZE__: type = weak, value = $0800; # 2k C stack
|
|
__HIMEM__: type = weak, value = $D000;
|
|
}
|
|
MEMORY {
|
|
ZP: file = "", define = yes, start = $0002, size = $001A;
|
|
LOADADDR: file = %O, start = %S - 2, size = $0002;
|
|
HEADER: file = %O, define = yes, start = %S, size = $000D;
|
|
# Code, read-only and initialized data: must end before the bitmap at $2000.
|
|
MAIN: file = %O, define = yes, start = __HEADER_LAST__, size = $2000 - __HEADER_LAST__;
|
|
# $2000-$3FFF is reserved for the VIC-II hi-res bitmap (not mapped here).
|
|
# BSS / heap / C-stack live above the bitmap.
|
|
BSS: file = "", start = $4000, size = __HIMEM__ - __STACKSIZE__ - $4000;
|
|
}
|
|
SEGMENTS {
|
|
ZEROPAGE: load = ZP, type = zp;
|
|
LOADADDR: load = LOADADDR, type = ro;
|
|
EXEHDR: load = HEADER, type = ro;
|
|
STARTUP: load = MAIN, type = ro;
|
|
LOWCODE: load = MAIN, type = ro, optional = yes;
|
|
CODE: load = MAIN, type = ro;
|
|
RODATA: load = MAIN, type = ro;
|
|
DATA: load = MAIN, type = rw;
|
|
INIT: load = MAIN, type = rw;
|
|
ONCE: load = MAIN, type = ro, define = yes;
|
|
BSS: load = BSS, 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__;
|
|
}
|