Files
cc65/cfg/plus4-hires.cfg
2019-10-31 11:05:57 -05:00

57 lines
2.3 KiB
INI

# Linker configuration that allows for a hi-res bitmap at $C000-$DF3F, but
# puts the stack (and a "HIBSS" segment) in the remaining RAM at $DF40-$FD00.
FEATURES {
STARTADDRESS: default = $1001;
}
SYMBOLS {
__LOADADDR__: type = import;
__EXEHDR__: type = import;
__STACKSIZE__: type = weak, value = $0800; # 2k stack
__HIMEM__: type = weak, value = $FD00;
}
MEMORY {
# Reserve 8000 bytes at $C000 for 320x200 bitmap
RESERVED: file = "", define = yes, start = $C000, size = 8000;
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;
MAIN: file = %O, define = yes, start = __HEADER_LAST__, size = __RESERVED_START__ - __MAIN_START__;
# Space between bitmap and top of memory
HIRAM: file = "", define = yes, start = __RESERVED_LAST__, size = __HIMEM__ - __HIRAM_START__ - __STACKSIZE__;
}
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;
ONCE: load = MAIN, type = ro, optional = yes;
RODATA: load = MAIN, type = ro;
DATA: load = MAIN, type = rw;
INIT: load = MAIN, type = bss;
BSS: load = MAIN, type = bss, define = yes;
# Allow data between bitmap and top of memory to be used as a second BSS
# space. Define symbols for it so that it can be supplied to _heapadd().
HIBSS: load = HIRAM, type = bss, optional = yes, 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__;
}