mirror of
https://github.com/cc65/cc65.git
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80 lines
3.7 KiB
INI
80 lines
3.7 KiB
INI
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# Sample linker configuration for C programs using the Atari binary file support.
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# Use with: cl65 -tatarixl -Catarixl-c-xex.cfg prog.c -o prog.xex
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FEATURES {
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STARTADDRESS: default = $2400;
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}
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SYMBOLS {
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__SYSTEM_CHECK__: type = import; # force inclusion of "system check" load chunk
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__STACKSIZE__: type = weak, value = $0800; # 2k stack
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__STARTADDRESS__: type = export, value = %S;
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__SYSCHKHDR__: type = export, value = 0; # Disable system check header
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__SYSCHKTRL__: type = export, value = 0; # Disable system check trailer
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}
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MEMORY {
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ZP: file = "", define = yes, start = $0082, size = $007E;
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# "system check" load chunk
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SYSCHKCHNK: file = %O, start = $2E00, size = $0300;
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# "shadow RAM preparation" load chunk
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SRPREPCHNK: file = %O, define = yes, start = %S, size = $7C20 - %S - $07FF; # $07FF: space for temp. chargen buffer, 1K aligned
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# "main program" load chunk
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MAIN: file = %O, define = yes, start = %S + __LOWBSS_SIZE__, size = $D000 - __STACKSIZE__ - %S - __LOWBSS_SIZE__;
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# memory beneath the ROM preceeding the character generator
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HIDDEN_RAM2: file = "", define = yes, start = $D800, size = $0800;
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# address of relocated character generator (same addess as ROM version)
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CHARGEN: file = "", define = yes, start = $E000, size = $0400;
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# memory beneath the ROM
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HIDDEN_RAM: file = "", define = yes, start = $E400, size = $FFFA - $E400;
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# UNUSED - hide
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UNUSED: file = "", start = $0, size = $10;
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}
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FILES {
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%O: format = atari;
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}
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FORMATS {
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atari: runad = start,
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initad = SYSCHKCHNK: __SYSTEM_CHECK__,
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initad = SRPREPCHNK: sramprep;
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}
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SEGMENTS {
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ZEROPAGE: load = ZP, type = zp;
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EXTZP: load = ZP, type = zp, optional = yes;
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SYSCHK: load = SYSCHKCHNK, type = rw, define = yes, optional = yes;
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LOWBSS: load = SRPREPCHNK, type = bss, define = yes; # shared btw. SRPREPCHNK and RAM, not zero initialized
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SRPREP: load = SRPREPCHNK, type = rw, define = yes;
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SHADOW_RAM: load = SRPREPCHNK, run = HIDDEN_RAM, type = rw, define = yes, optional = yes;
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SHADOW_RAM2: load = SRPREPCHNK, run = HIDDEN_RAM2, type = rw, define = yes, optional = yes;
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STARTUP: load = MAIN, type = ro, define = yes;
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LOWCODE: load = MAIN, type = ro, define = yes, optional = yes;
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ONCE: load = MAIN, type = ro, optional = yes;
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CODE: load = MAIN, type = ro, define = yes;
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RODATA: load = MAIN, type = ro;
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DATA: load = MAIN, type = rw;
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INIT: load = MAIN, type = rw, optional = yes;
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BSS: load = MAIN, type = bss, define = yes;
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SRPREPHDR: load = UNUSED, type = ro;
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SRPREPTRL: load = UNUSED, type = ro;
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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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