2022-03-01 04:44:26 +00:00
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# Atari VCS 7800 linker configuration file for cc65
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2022-03-13 10:32:13 +00:00
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# In order to add the a78 header to the build you can add
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# "--force-import __EXEHDR__" to the command line
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2022-03-01 04:44:26 +00:00
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SYMBOLS {
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2022-03-07 06:48:59 +00:00
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__STACKSIZE__: type = weak, value = $0600; # C stack
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2022-03-13 11:31:11 +00:00
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__CARTSIZE__: type = weak, value = $8000;
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2022-03-01 07:28:15 +00:00
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__VEC_BOTTOM__: value = $fffa, type = export;
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__VEC_SIZE__: value = $6, type = export;
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__ENCRYPT_BOTTOM__: value = $ff7a, type = export;
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__ENCRYPT_SIZE__: value = $80, type = export;
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__MEMORY_TOP__: value = __ENCRYPT_BOTTOM__, type = export;
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2022-03-22 19:41:12 +00:00
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__INIT_SIZE__: value = 121, type = export;
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2022-03-01 07:28:15 +00:00
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__MEMORY_INIT__: value = __MEMORY_TOP__ - __INIT_SIZE__, type = export;
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2022-03-13 11:31:11 +00:00
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__MEMORY_BOTTOM__: value = $10000 - __CARTSIZE__, type = weak;
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2022-03-01 07:28:15 +00:00
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__FREE_ROM_SIZE__: value = __MEMORY_INIT__ - __MEMORY_BOTTOM__, type = export;
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2022-03-01 04:44:26 +00:00
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}
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MEMORY {
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ZP: file = "", define = yes, start = $0040, size = $00C0, type = rw;
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SP: file = "", define = yes, start = $0140, size = $00C0, type = rw;
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RAM1: file = "", define = yes, start = $1800, size = $0840, type = rw;
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RAM2: file = "", define = yes, start = $2100, size = $0040, type = rw;
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RAM3: file = "", define = yes, start = $2200, size = $0600, type = rw;
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2022-03-01 07:28:15 +00:00
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# For emulators you also need a header file
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2022-03-07 06:48:59 +00:00
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HEADER: file = %O, start = $0000, size = 128;
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2022-03-01 04:44:26 +00:00
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# "Normal" cartridge rom. Multiple banks arent supported
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# by this script. You may change the rom size, but keep
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# two things in mind:
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# - start must be a multiple of $1000
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# - ROM must end at $ff79
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2022-03-01 07:28:15 +00:00
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ROM: file = %O, define = yes, start = __MEMORY_BOTTOM__, size = __FREE_ROM_SIZE__, type = ro, fill = yes, fillval = $ff;
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ROMS: file = %O, define = yes, start = __MEMORY_INIT__, size = __INIT_SIZE__, type = ro, fill = yes, fillval = $ff;
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2022-03-01 04:44:26 +00:00
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# Encryption stuff
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2022-03-01 07:28:15 +00:00
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ROME: file = %O, start = __ENCRYPT_BOTTOM__, size = __ENCRYPT_SIZE__, type = ro, fill = yes, fillval = $ff;
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2022-03-01 04:44:26 +00:00
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# Interrupt vectors
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2022-03-01 07:28:15 +00:00
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ROMV: file = %O, start = __VEC_BOTTOM__, size = __VEC_SIZE__, type = ro, fill = yes, fillval = $ff;
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2022-03-01 04:44:26 +00:00
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}
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SEGMENTS {
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ZEROPAGE: load = ZP, type = zp;
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2022-03-13 10:32:13 +00:00
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EXEHDR: load = HEADER, type = ro, optional = yes;
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STARTUP: load = ROMS, type = ro, define = yes;
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ONCE: load = ROMS, type = ro, define = yes;
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2022-03-01 04:44:26 +00:00
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CODE: load = ROM, type = ro, define = yes;
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RODATA: load = ROM, type = ro, define = yes, align = 256;
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DATA: load = ROM, run = RAM1, type = rw, define = yes;
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BSS: load = RAM1, type = bss, define = yes;
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2022-03-01 07:28:15 +00:00
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VECTORS: load = ROMV, type = ro, define = yes;
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2022-03-01 04:44:26 +00:00
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ENCRYPTION: load = ROME, type = ro 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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