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don't allow dos it's memory to be freed

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1605
This commit is contained in:
Peter Veenstra 2004-01-27 14:26:43 +00:00
parent 595d9eaf3b
commit 5c9b46a52c
1 changed files with 5 additions and 0 deletions
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5
src/dos/dos_memory.cpp
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@ -165,6 +165,11 @@ bool DOS_ResizeMemory(Bit16u segment,Bit16u * blocks) {
bool DOS_FreeMemory(Bit16u segment) {
//TODO Check if allowed to free this segment
if ((segment-1) < MEM_START){
LOG(LOG_DOSMISC,LOG_ERROR)("Program tried to free %X ---ERROR",segment);
return false;
}
DOS_MCB mcb(segment-1);
mcb.SetPSPSeg(MCB_FREE);
DOS_CompressMemory();