FEATURES {
- STARTADDRESS: default = $2E00;
+ STARTADDRESS: default = $2400;
}
-
SYMBOLS {
- __STACKSIZE__: type = weak, value = $0800; # 2k stack
- __RESERVED_MEMORY__: type = weak, value = $0000;
- syschk: type = import; # force inclusion of SYSCHK
- sramprep: type = import; # force inclusion of SRPREP
+ __EXEHDR__: type = import;
+ __SYSTEM_CHECK__: type = import; # force inclusion of "system check" load chunk
+ __AUTOSTART__: type = import; # force inclusion of autostart "trailer"
+ __STACKSIZE__: type = weak, value = $0800; # 2k stack
+ __STARTADDRESS__: type = export, value = %S;
}
-
MEMORY {
- ZP: file = "", define = yes, start = $0082, size = $007E;
+ ZP: file = "", define = yes, start = $0082, size = $007E;
# just $FFFF
- HEADER: file = %O, start = $0000, size = $0002;
+ HEADER: file = %O, start = $0000, size = $0002;
# "system check" load chunk
- SYSCHKHDR: file = %O, start = $0000, size = $0004;
- SYSCHK: file = %O, start = $2E00, size = $0E00;
+ SYSCHKHDR: file = %O, start = $0000, size = $0004;
+ SYSCHKCHNK: file = %O, start = $2E00, size = $0300;
+ SYSCHKTRL: file = %O, start = $0000, size = $0006;
# "shadow RAM preparation" load chunk
- SRPREPHDR: file = %O, start = $0000, size = $0004;
- SRPREP: file = %O, start = %S, size = $7C20 - %S - $04FF; # $04FF: space for temp. chargen buffer, page aligned
- SRPREPTRL: file = %O, start = $0000, size = $0006;
+ SRPREPHDR: file = %O, start = $0000, size = $0004;
+ SRPREPCHNK: file = %O, define = yes, start = %S, size = $7C20 - %S - $07FF; # $07FF: space for temp. chargen buffer, 1K aligned
+ SRPREPTRL: file = %O, start = $0000, size = $0006;
# "main program" load chunk
- MAINHDR: file = %O, start = $0000, size = $0004;
- RAM: file = %O, define = yes, start = %S + __SAVEAREA_SIZE__ + __ZPSAVE_SIZE__, size = $D000 - __STACKSIZE__ - %S - __SAVEAREA_SIZE__ - __ZPSAVE_SIZE__;
+ MAINHDR: file = %O, start = $0000, size = $0004;
+ MAIN: file = %O, define = yes, start = %S + __LOWBSS_SIZE__, size = $D000 - __STACKSIZE__ - %S - __LOWBSS_SIZE__;
-# address of relocated character generator
- CHARGEN: file = "", define = yes, start = $D800, size = $0400;
+# defines entry point into program
+ TRAILER: file = %O, start = $0000, size = $0006;
-# memory beneath the ROM
- RAM_BELOW_ROM: file = "", start = $DC00, size = $FFF0 - $DC00;
+# memory beneath the ROM preceeding the character generator
+ HIDDEN_RAM2: file = "", define = yes, start = $D800, size = $0800;
-# defines entry point into program
- TRAILER: file = %O, start = $0000, size = $0006;
-}
+# address of relocated character generator (same addess as ROM version)
+ CHARGEN: file = "", define = yes, start = $E000, size = $0400;
+# memory beneath the ROM
+ HIDDEN_RAM: file = "", define = yes, start = $E400, size = $FFFA - $E400;
+}
SEGMENTS {
- EXEHDR: load = HEADER, type = ro;
+ ZEROPAGE: load = ZP, type = zp;
+ EXTZP: load = ZP, type = zp, optional = yes;
+
+ EXEHDR: load = HEADER, type = ro;
- SYSCHKHDR: load = SYSCHKHDR, type = ro, optional = yes;
- SYSCHK: load = SYSCHK, type = rw, define = yes, optional = yes;
+ SYSCHKHDR: load = SYSCHKHDR, type = ro, optional = yes;
+ SYSCHK: load = SYSCHKCHNK, type = rw, define = yes, optional = yes;
+ SYSCHKTRL: load = SYSCHKTRL, type = ro, optional = yes;
- SRPREPHDR: load = SRPREPHDR, type = ro;
- SAVEAREA: load = SRPREP, type = bss, define = yes; # shared btw. SRPREP and RAM
- ZPSAVE: load = SRPREP, type = bss, define = yes;
- SRPREP: load = SRPREP, type = rw, define = yes;
- SHADOW_RAM: load = SRPREP, run = RAM_BELOW_ROM, type = rw, define = yes, optional = yes;
- SRPREPTRL: load = SRPREPTRL, type = ro;
+ SRPREPHDR: load = SRPREPHDR, type = ro;
+ LOWBSS: load = SRPREPCHNK, type = bss, define = yes; # shared btw. SRPREPCHNK and RAM, not zero initialized
+ SRPREP: load = SRPREPCHNK, type = rw, define = yes;
+ SHADOW_RAM: load = SRPREPCHNK, run = HIDDEN_RAM, type = rw, define = yes, optional = yes;
+ SHADOW_RAM2: load = SRPREPCHNK, run = HIDDEN_RAM2, type = rw, define = yes, optional = yes;
+ SRPREPTRL: load = SRPREPTRL, type = ro;
- MAINHDR: load = MAINHDR, type = ro;
- STARTUP: load = RAM, type = ro, define = yes;
- LOWCODE: load = RAM, type = ro, define = yes, optional = yes;
- INIT: load = RAM, type = ro, optional = yes;
- CODE: load = RAM, type = ro, define = yes;
- RODATA: load = RAM, type = ro;
- DATA: load = RAM, type = rw;
- BSS: load = RAM, type = bss, define = yes;
- ZEROPAGE: load = ZP, type = zp;
- EXTZP: load = ZP, type = zp, optional = yes;
- AUTOSTRT: load = TRAILER, type = ro;
+ MAINHDR: load = MAINHDR, type = ro;
+ STARTUP: load = MAIN, type = ro, define = yes;
+ LOWCODE: load = MAIN, type = ro, define = yes, optional = yes;
+ ONCE: load = MAIN, type = ro, optional = yes;
+ CODE: load = MAIN, type = ro, define = yes;
+ RODATA: load = MAIN, type = ro;
+ DATA: load = MAIN, type = rw;
+ INIT: load = MAIN, type = rw, optional = yes;
+ BSS: load = MAIN, type = bss, define = yes;
+ AUTOSTRT: load = TRAILER, type = ro;
}
FEATURES {
CONDES: type = constructor,
label = __CONSTRUCTOR_TABLE__,
count = __CONSTRUCTOR_COUNT__,
- segment = INIT;
+ segment = ONCE;
CONDES: type = destructor,
label = __DESTRUCTOR_TABLE__,
count = __DESTRUCTOR_COUNT__,