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Added, to Plus4 and GEOS linker configure files, the ability to set the start and end addresses of the program region.

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Greg King
2019-01-03 10:49:56 -05:00
parent a4591138ec
commit 2959ade6e6
3 changed files with 24 additions and 12 deletions
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14
cfg/plus4.cfg
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@@ -1,13 +1,17 @@
FEATURES {
STARTADDRESS: default = $1001;
}
SYMBOLS {
__LOADADDR__: type = import;
__EXEHDR__: type = import;
__STACKSIZE__: type = weak, value = $0800; # 2k stack
__HIMEM__: type = weak, value = $FD00;
}
MEMORY {
ZP: file = "", define = yes, start = $0002, size = $001A;
LOADADDR: file = %O, start = $0FFF, size = $0002;
HEADER: file = %O, start = $1001, size = $000C;
MAIN: file = %O, define = yes, start = $100D, size = $ECF3 - __STACKSIZE__;
ZP: file = "", define = yes, start = $0002, size = $001A;
LOADADDR: file = %O, start = %S - 2, size = $0002;
HEADER: file = %O, define = yes, start = %S, size = $000D;
MAIN: file = %O, define = yes, start = __HEADER_LAST__, size = __HIMEM__ - __MAIN_START__ - __STACKSIZE__;
}
SEGMENTS {
ZEROPAGE: load = ZP, type = zp;
@@ -15,8 +19,8 @@ SEGMENTS {
EXEHDR: load = HEADER, type = ro;
STARTUP: load = MAIN, type = ro;
LOWCODE: load = MAIN, type = ro, optional = yes;
ONCE: load = MAIN, type = ro, optional = yes;
CODE: load = MAIN, type = ro;
ONCE: load = MAIN, type = ro, optional = yes;
RODATA: load = MAIN, type = ro;
DATA: load = MAIN, type = rw;
INIT: load = MAIN, type = bss;