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cc65/cfg/atari-cart.cfg

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Add support to create cartridges.
2014-01-06 19:24:29 +00:00
FEATURES {
STARTADDRESS: default = $2000;
}
SYMBOLS {
add support for 16K cartridges
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__CARTSIZE__: type = weak, value = $2000; # possible values: $2000 and $4000
Add support to create cartridges.
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__CART_HEADER__: type = import;
__STACKSIZE__: type = weak, value = $0800; # 2k stack
__STARTADDRESS__: type = export, value = %S;
__RESERVED_MEMORY__: type = export, value = $0000;
__CARTFLAGS__: type = weak, value = $01; # see documentation for other possible values
}
MEMORY {
Atari: atari-cart.cfg: There's a simpler way to discard the contents of the LOWBSS segment. Thanks to Greg King for the hint.
2018-09-04 09:32:40 +00:00
ZP: file = "", define = yes, start = $0082, size = $007E;
MAIN: file = "", define = yes, start = %S, size = __CARTSIZE__;
ROM: file = %O, define = yes, start = $C000 - __CARTSIZE__, size = __CARTSIZE__ - 6, fill = yes, fillval = $FF;
CARTID: file = %O, start = $BFFA, size = $0006;
Add support to create cartridges.
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}
SEGMENTS {
Atari: atari-cart.cfg: There's a simpler way to discard the contents of the LOWBSS segment. Thanks to Greg King for the hint.
2018-09-04 09:32:40 +00:00
ZEROPAGE: load = ZP, type = zp, optional = yes;
EXTZP: load = ZP, type = zp, optional = yes;
STARTUP: load = ROM, type = ro, define = yes, optional = yes;
LOWBSS: load = MAIN, type = bss, optional = yes; # not zero initialized
LOWCODE: load = ROM, type = ro, define = yes, optional = yes;
ONCE: load = ROM, type = ro, optional = yes;
CODE: load = ROM, type = ro, define = yes;
RODATA: load = ROM, type = ro, optional = yes;
DATA: load = ROM, run = MAIN, type = rw, define = yes, optional = yes;
INIT: load = MAIN, type = bss, optional = yes;
BSS: load = MAIN, type = bss, define = yes, optional = yes;
CARTHDR: load = CARTID, type = ro;
Add support to create cartridges.
2014-01-06 19:24:29 +00:00
}
FEATURES {
CONDES: type = constructor,
label = __CONSTRUCTOR_TABLE__,
count = __CONSTRUCTOR_COUNT__,
Renamed INITBSS to INIT and INIT to ONCE. The way we want to use the INITBSS segment - and especially the fact that it won't have the type bss on all ROM based targets - means that the name INITBSS is misleading. After all INIT is the best name from my perspective as it serves several purposes and therefore needs a rather generic name. Unfortunately this means that the current INIT segment needs to be renamed too. Looking for a short (ideally 4 letter) name I came up with ONCE as it contains all code (and data) accessed only once during initialization.
2016-03-06 20:26:22 +00:00
segment = ONCE;
Add support to create cartridges.
2014-01-06 19:24:29 +00:00
CONDES: type = destructor,
label = __DESTRUCTOR_TABLE__,
count = __DESTRUCTOR_COUNT__,
segment = RODATA;
CONDES: type = interruptor,
label = __INTERRUPTOR_TABLE__,
count = __INTERRUPTOR_COUNT__,
segment = RODATA,
import = __CALLIRQ__;
}
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