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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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12
cfg/geos-apple.cfg
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@@ -1,15 +1,19 @@
FEATURES {
STARTADDRESS: default = $4000;
}
SYMBOLS {
__BACKBUFSIZE__: type = weak, value = $2000;
__HIMEM__: type = weak, value = $C000 - __BACKBUFSIZE__;
__OVERLAYSIZE__: type = weak, value = $0000;
__OVERLAYADDR__: type = weak, value = $C000 - __BACKBUFSIZE__ - __OVERLAYSIZE__;
__STACKSIZE__: type = weak, value = $0400;
__OVERLAYADDR__: type = weak, value = __HIMEM__ - __OVERLAYSIZE__;
__STACKSIZE__: type = weak, value = $0400; # 1k stack
__STACKADDR__: type = weak, value = $2000 - __STACKSIZE__;
}
MEMORY {
CVT: file = %O, start = $0, size = $20000;
ZP: define = yes, start = $80, size = $1A + $06;
EXT: define = yes, start = $0C00, size = __STACKADDR__ - $0C00;
VLIR0: define = yes, start = $4000, size = __OVERLAYADDR__ - $4000;
EXT: define = yes, start = $0C00, size = __STACKADDR__ - __EXT_START__;
VLIR0: define = yes, start = %S, size = __OVERLAYADDR__ - %S;
VLIR1: define = yes, start = __OVERLAYADDR__, size = __OVERLAYSIZE__;
VLIR2: define = yes, start = __OVERLAYADDR__, size = __OVERLAYSIZE__;
VLIR3: define = yes, start = __OVERLAYADDR__, size = __OVERLAYSIZE__;