FEATURES {
- STARTADDRESS: default = $2E00;
+ STARTADDRESS: default = $2400;
}
SYMBOLS {
__STACKSIZE__: type = weak, value = $0800; # 2k stack
- __RESERVED_MEMORY__: type = weak, value = $0000;
+ __STARTADDRESS__: type = export, value = %S;
syschk: type = import; # force inclusion of SYSCHK
sramprep: type = import; # force inclusion of SRPREP
}
# "system check" load chunk
SYSCHKHDR: file = %O, start = $0000, size = $0004;
- SYSCHK: file = %O, start = $2E00, size = $0E00;
+ 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
+ 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__ +
- __LOWBUFS_SIZE__ +
- __ZPSAVE_SIZE__, size = $D000 -
- __STACKSIZE__ -
- %S -
- __SAVEAREA_SIZE__ -
- __LOWBUFS_SIZE__ -
- __ZPSAVE_SIZE__;
-
-# address of relocated character generator
- CHARGEN: file = "", define = yes, start = $D800, size = $0400;
-
-# memory beneath the ROM
- RAM_BELOW_ROM: file = "", start = $DC00, size = $FFF0 - $DC00;
+ __LOWDATA_SIZE__, size = $D000 -
+ __STACKSIZE__ -
+ %S -
+ __LOWDATA_SIZE__;
# defines entry point into program
TRAILER: file = %O, start = $0000, size = $0006;
+
+# memory beneath the ROM preceeding the character generator
+ HIDDEN_RAM2: file = "", define = yes, start = $D800, size = $0800;
+
+# 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 = $FFF0 - $E400;
}
SEGMENTS {
EXEHDR: load = HEADER, type = ro;
SYSCHKHDR: load = SYSCHKHDR, type = ro, optional = yes;
- SYSCHK: load = SYSCHK, type = rw, define = yes, 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
- LOWBUFS: load = SRPREP, type = bss, define = yes;
- 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;
+ LOWDATA: load = SRPREPCHNK, type = bss, define = yes; # shared btw. SRPREP and RAM
+ 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;