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c768de156a
The main chunk load header references __BSS_LOAD__ so BSS must be the first bss type segment. Subsequent changes will move ONCE to share its address with the BSS. Then it'll be necessary to load INIT from disk. Therefore we do it right now.
82 lines
4.3 KiB
INI
82 lines
4.3 KiB
INI
FEATURES {
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STARTADDRESS: default = $2000;
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}
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SYMBOLS {
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__EXEHDR__: type = import;
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__SYSTEM_CHECK__: type = import; # force inclusion of "system check" load chunk
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__AUTOSTART__: type = import; # force inclusion of autostart "trailer"
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__STACKSIZE__: type = weak, value = $0800; # 2k stack
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__OVERLAYSIZE__: type = weak, value = $1000; # 4k overlay
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__STARTADDRESS__: type = export, value = %S;
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__RESERVED_MEMORY__: type = weak, value = $0000;
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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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# file header, just $FFFF
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HEADER: file = %O, start = $0000, size = $0002;
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# "system check" load chunk
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SYSCHKHDR: file = %O, start = $0000, size = $0004;
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SYSCHKCHNK: file = %O, start = $2E00, size = $0300;
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SYSCHKTRL: file = %O, start = $0000, size = $0006;
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# "main program" load chunk
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MAINHDR: file = %O, start = $0000, size = $0004;
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MAIN: file = %O, define = yes, start = %S + __OVERLAYSIZE__, size = $BC20 - __OVERLAYSIZE__ - __STACKSIZE__ - __RESERVED_MEMORY__ - %S;
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TRAILER: file = %O, start = $0000, size = $0006;
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# overlays
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OVL1: file = "%O.1", start = %S, size = __OVERLAYSIZE__;
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OVL2: file = "%O.2", start = %S, size = __OVERLAYSIZE__;
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OVL3: file = "%O.3", start = %S, size = __OVERLAYSIZE__;
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OVL4: file = "%O.4", start = %S, size = __OVERLAYSIZE__;
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OVL5: file = "%O.5", start = %S, size = __OVERLAYSIZE__;
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OVL6: file = "%O.6", start = %S, size = __OVERLAYSIZE__;
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OVL7: file = "%O.7", start = %S, size = __OVERLAYSIZE__;
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OVL8: file = "%O.8", start = %S, size = __OVERLAYSIZE__;
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OVL9: file = "%O.9", start = %S, size = __OVERLAYSIZE__;
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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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EXEHDR: load = HEADER, type = ro;
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SYSCHKHDR: load = SYSCHKHDR, type = ro, optional = yes;
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SYSCHK: load = SYSCHKCHNK, type = rw, define = yes, optional = yes;
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SYSCHKTRL: load = SYSCHKTRL, type = ro, optional = yes;
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MAINHDR: load = MAINHDR, type = ro;
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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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AUTOSTRT: load = TRAILER, type = ro;
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OVERLAY1: load = OVL1, type = ro, define = yes, optional = yes;
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OVERLAY2: load = OVL2, type = ro, define = yes, optional = yes;
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OVERLAY3: load = OVL3, type = ro, define = yes, optional = yes;
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OVERLAY4: load = OVL4, type = ro, define = yes, optional = yes;
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OVERLAY5: load = OVL5, type = ro, define = yes, optional = yes;
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OVERLAY6: load = OVL6, type = ro, define = yes, optional = yes;
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OVERLAY7: load = OVL7, type = ro, define = yes, optional = yes;
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OVERLAY8: load = OVL8, type = ro, define = yes, optional = yes;
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OVERLAY9: load = OVL9, type = ro, define = yes, optional = 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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