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Copy the filename from the current's psp mcb to new allocated ones

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Reduce available memory in tandy mode


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1784
This commit is contained in:
Sjoerd van der Berg 2004-04-26 07:53:17 +00:00
parent 64b34126ce
commit 4e3edae44c
1 changed files with 8 additions and 1 deletions
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9
src/dos/dos_memory.cpp
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@ -72,6 +72,9 @@ bool DOS_AllocateMemory(Bit16u * segment,Bit16u * blocks) {
Bit16u bigsize=0;Bit16u mcb_segment=dos.firstMCB;
DOS_MCB mcb(0);
DOS_MCB mcb_next(0);
DOS_MCB psp_mcb(dos.psp-1);
char psp_name[9];
psp_mcb.GetFileName(psp_name);
bool stop=false;
while(!stop) {
mcb.SetPt(mcb_segment);
@ -97,6 +100,7 @@ bool DOS_AllocateMemory(Bit16u * segment,Bit16u * blocks) {
mcb.SetSize(*blocks);
mcb.SetType(0x4d);
mcb.SetPSPSeg(dos.psp);
mcb.SetFileName(psp_name);
//TODO Filename
*segment=mcb_segment+1;
return true;
@ -108,6 +112,7 @@ bool DOS_AllocateMemory(Bit16u * segment,Bit16u * blocks) {
mcb_next.SetSize(*blocks);
mcb_next.SetType(mcb.GetType());
mcb_next.SetPSPSeg(dos.psp);
mcb_next.SetFileName(psp_name);
// Old Block
mcb.SetSize(block_size-*blocks-1);
mcb.SetPSPSeg(MCB_FREE);
@ -188,7 +193,9 @@ void DOS_SetupMemory(void) {
DOS_MCB mcb((Bit16u)MEM_START+2);
mcb.SetPSPSeg(MCB_FREE); //Free
mcb.SetSize(0x9FFE - MEM_START - 2);
if (machine!=MCH_TANDY) {
mcb.SetSize(0x9FFE - MEM_START - 2);
} else mcb.SetSize(0x7FFE - MEM_START - 2);
mcb.SetType(0x5a); //Last Block
dos.firstMCB=MEM_START;