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fixed bug in func 503, wrong resize size calculated

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1104
This commit is contained in:
Ulf Wohlers 2003-07-09 15:24:22 +00:00
parent a9e6d0bacc
commit 8f10df3830
1 changed files with 7 additions and 5 deletions
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12
src/ints/dpmi.cpp
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@ -1467,6 +1467,7 @@ Bitu DPMI::Int31Handler(void)
}; break;
case 0x0100:{// Allocate DOS Memory Block
Bit16u blocks = reg_bx;
DPMI_LOG("DPMI: 0100: Allocate DOS Mem: (%04X Blocks)",blocks);
if (DOS_AllocateMemory(&reg_ax,&blocks)) {
// Allocate Selector for block
SetDescriptor desc; Bitu base; Bitu numDesc;
@ -1678,16 +1679,14 @@ Bitu DPMI::Int31Handler(void)
Bitu length = (reg_bx<<16)+reg_cx;
// TEMP
Bit16u largest,total;
DPMI_LOG("DPMI: 0501: Allocate memory (%d KB)",length/1024);
if (AllocateMem(length,handle,linear)) {
reg_si = 0; reg_di = handle;
reg_bx = (linear>>16);
reg_cx = (linear&0xFFFF);
DPMI_CALLBACK_SCF(false);
XMS_QueryFreeMemory(largest,total); // in KB
if (total==2804) {
int brk = 0;
}
DPMI_LOG("DPMI: 0501: Allocation success (%d KB) (R:%d KB)",length/1024,total);
DPMI_LOG("DPMI: 0501: Allocation success: H:%04X%04X (%d KB) (R:%d KB)",reg_si,reg_di,length/1024,total);
} else {
reg_ax = DPMI_ERROR_PHYSICAL_MEMORY_UNAVAILABLE;
DPMI_CALLBACK_SCF(true);
@ -1696,6 +1695,7 @@ Bitu DPMI::Int31Handler(void)
};
}; break;
case 0x0502://Free Memory Block
DPMI_LOG("DPMI: 0502: Free Mem: H:%04X%04X",reg_si,reg_di);
if (XMS_FreeMemory((reg_si<<16)+reg_di)==0) {
FreeXMSHandle((reg_si<<16)+reg_di);
DPMI_CALLBACK_SCF(false);
@ -1706,8 +1706,10 @@ Bitu DPMI::Int31Handler(void)
};
break;
case 0x0503:{//Resize Memory Block
Bit32u newSize = (Bitu(reg_bx<<16)+reg_cx)/1024;
Bitu newByte = (reg_bx<<16)+reg_cx;
Bit32u newSize = (newByte/1024)+((newByte & 1023)>0);
Bitu handle = (reg_si<<16)+reg_di;
DPMI_LOG("DPMI: 0503: Resize Memory: H:%08X (%d KB)",handle,newSize);
if (XMS_ResizeMemory(handle,newSize)==0) {
if (XMS_LockMemory(handle,newSize)==0) {
reg_bx = (newSize>>16);