osd-contiki/platform/apple2enh/linker.cfg
2007-11-27 12:24:03 +00:00

46 lines
1.7 KiB
INI

# This file should be identical to the file '<cc65>/doc/apple2.cfg' with the
# following exceptions:
# - Reduced stacksize: Contiki is designed to use extremely little stack.
# The applications coming with Contiki run even with a $100 byte stack.
# - Expanded RAM size: Allow applications to overlay BASIC.SYSTEM if needed.
# In that case the binary must be loaded with the ProDOS 8 loader available
# at: ftp://ftp.musoftware.de/pub/uz/cc65/contrib/loader-1.2.zip
FEATURES {
STARTADDRESS: default = $0800;
}
MEMORY {
ZP: start = $0080, size = $001A, define = yes;
HEADER: start = $0000, size = $0004, file = %O;
RAM: start = %S, size = $BF00 - %S, file = %O; # $BF00 instead of $9600
}
SEGMENTS {
EXEHDR: load = HEADER, type = ro;
STARTUP: load = RAM, type = ro, define = yes;
LOWCODE: load = RAM, type = ro, optional = yes;
INIT: load = RAM, type = ro, define = yes, optional = yes;
CODE: load = RAM, type = ro;
RODATA: load = RAM, type = ro;
DATA: load = RAM, type = rw;
BSS: load = RAM, type = bss, define = yes;
HEAP: load = RAM, type = bss, optional = yes; # must sit just below stack
ZEROPAGE: load = ZP, type = zp;
}
FEATURES {
CONDES: segment = INIT,
type = constructor,
label = __CONSTRUCTOR_TABLE__,
count = __CONSTRUCTOR_COUNT__;
CONDES: segment = RODATA,
type = destructor,
label = __DESTRUCTOR_TABLE__,
count = __DESTRUCTOR_COUNT__;
CONDES: type = interruptor,
segment = RODATA,
label = __INTERRUPTOR_TABLE__,
count = __INTERRUPTOR_COUNT__;
}
SYMBOLS {
__STACKSIZE__ = $200; # 1/2K instead of 2K stack
}