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Added patch [ 889704 ] Proper TPA setup (fizzban)

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1655
This commit is contained in:
Ulf Wohlers 2004-02-03 14:57:12 +00:00
parent 0ec99d746c
commit 00b7c5122e
1 changed files with 9 additions and 3 deletions
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12
src/dos/dos_memory.cpp
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@ -180,11 +180,17 @@ bool DOS_FreeMemory(Bit16u segment) {
void DOS_SetupMemory(void) {
DOS_MCB mcb((Bit16u)MEM_START);
// Create a dummy device MCB with PSPSeg=0x0008
DOS_MCB mcb_devicedummy((Bit16u)MEM_START);
mcb_devicedummy.SetPSPSeg(0x0008); // Devices
mcb_devicedummy.SetSize(1);
mcb_devicedummy.SetType(0x4d); // More blocks will follow
DOS_MCB mcb((Bit16u)MEM_START+2);
mcb.SetPSPSeg(MCB_FREE); //Free
mcb.SetSize(0x9FFE - MEM_START);
mcb.SetSize(0x9FFE - MEM_START - 2);
mcb.SetType(0x5a); //Last Block
dos.firstMCB=MEM_START;
dos_infoblock.SetFirstMCB(MEM_START);
}