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0edd05b4bf
Almost all targets don't need symbols for the ONCE segment. Likely their definition was a C&P error in the first place.
52 lines
2.2 KiB
INI
52 lines
2.2 KiB
INI
# linker config to produce simple Gamate cartridge (.bin)
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SYMBOLS {
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__STARTUP__: type = import;
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__STACKSIZE__: type = weak, value = $0080; # 1 page stack
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}
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MEMORY {
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# 0000-03ff is RAM
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# FIXME: what zp range can we actually use?
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# $0a-$11 is used by IRQ/NMI, $e8 is used by NMI
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ZP: start = $0012, size = $00E8 - $0012;
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CPUSTACK: start = $0100, size = $0100;
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RAM: start = $0200, size = $0200 - __STACKSIZE__, define = yes;
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CARTHEADER: file = %O, define = yes, start = %S, size = $0029;
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# 6000-e000 can be (Cartridge) ROM
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# WARNING: fill value must be $00 else it will no more work
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#ROM: start = $6000, size = $1000, fill = yes, fillval = $00, file = %O, define = yes;
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#ROMFILL: start = $7000, size = $7000, fill = yes, fillval = $00, file = %O, define = yes;
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# for images that have code >$6fff we must calculate the checksum!
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ROM: start = $6000 + $0029, size = $8000 - $0029, fill = yes, fillval = $00, file = %O, define = yes;
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}
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SEGMENTS {
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ZEROPAGE: load = ZP, type = zp, define = yes;
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EXTZP: load = ZP, type = zp, define = yes, optional = yes;
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APPZP: load = ZP, type = zp, define = yes, optional = yes;
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STARTUP: load = CARTHEADER, type = ro, define = yes;
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ONCE: load = ROM, type = ro, optional = yes;
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CODE: load = ROM, type = ro, define = yes;
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RODATA: load = ROM, type = ro, define = yes;
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DATA: load = ROM, run = RAM, type = rw, define = yes;
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BSS: load = RAM, type = bss, define = yes;
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}
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FEATURES {
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CONDES: type = constructor,
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label = __CONSTRUCTOR_TABLE__,
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count = __CONSTRUCTOR_COUNT__,
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segment = ONCE;
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CONDES: type = destructor,
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label = __DESTRUCTOR_TABLE__,
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count = __DESTRUCTOR_COUNT__,
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segment = RODATA;
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CONDES: type = interruptor,
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label = __INTERRUPTOR_TABLE__,
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count = __INTERRUPTOR_COUNT__,
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segment = RODATA,
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import = __CALLIRQ__;
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}
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