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raise dos memory start segment (WC armada, novalogic setup);

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update some dos tables


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2260
This commit is contained in:
Sebastian Strohhäcker 2005-08-01 09:30:45 +00:00
parent 58a0aaed55
commit 154ad64370
4 changed files with 74 additions and 60 deletions
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30
include/dos_inc.h
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: dos_inc.h,v 1.53 2005-03-24 10:18:45 qbix79 Exp $ */
/* $Id: dos_inc.h,v 1.54 2005-08-01 09:30:44 c2woody Exp $ */
#ifndef DOSBOX_DOS_INC_H
#define DOSBOX_DOS_INC_H
@ -76,6 +76,15 @@ enum { RETURN_EXIT=0,RETURN_CTRLC=1,RETURN_ABORT=2,RETURN_TSR=3};
#define DOS_DRIVES 26
#define DOS_DEVICES 10
#define DOS_INFOBLOCK_SEG 0x50
#define DOS_SDA_SEG 0x5a
#define DOS_SDA_OFS 0
#define DOS_CONSTRING_SEG 0x5d
#define DOS_CONDRV_SEG 0x60
#define DOS_SFT_SEG 0x62
#define DOS_CDS_SEG 0x64
#define DOS_MEM_START 0x102 //First Segment that DOS can use
/* internal Dos Tables */
extern DOS_File * Files[DOS_FILES];
@ -350,7 +359,7 @@ public:
void SetCurDirStruct(Bit32u _curdirstruct);
void SetFCBTable(Bit32u _fcbtable);
void SetDeviceChainStart(Bit32u _devchain);
void SetDiskInfoBuffer(Bit32u _dinfobuf);
void SetDiskBufferHeadPt(Bit32u _dbheadpt);
RealPt GetPointer (void);
#ifdef _MSC_VER
@ -391,7 +400,17 @@ public:
Bit8u bootDrive; // 0x43 boot drive
Bit8u useDwordMov; // 0x44 use dword moves
Bit16u extendedSize; // 0x45 size of extended memory
// some more stuff, hopefully never used.
Bit32u diskBufferHeadPt; // 0x47 pointer to least-recently used buffer header
Bit16u dirtyDiskBuffers; // 0x4b number of dirty disk buffers
Bit32u lookaheadBufPt; // 0x4d pointer to lookahead buffer
Bit16u lookaheadBufNumber; // 0x51 number of lookahead buffers
Bit8u bufferLocation; // 0x53 workspace buffer location
Bit32u workspaceBuffer; // 0x54 pointer to workspace buffer
Bit8u unknown2[11]; // 0x58
Bit8u chainingUMB; // 0x63 bit0: UMB chain linked to MCB chain
Bit16u minMemForExec; // 0x64 minimum paragraphs needed for current program
Bit16u startOfUMBChain; // 0x66 segment of first UMB-MCB
Bit16u memAllocScanStart; // 0x68 start paragraph for memory allocation
} GCC_ATTRIBUTE(packed);
#ifdef _MSC_VER
#pragma pack ()
@ -510,11 +529,6 @@ private:
#endif
};
extern Bit16u sdaseg;
#define DOS_SDA_SEG sdaseg
#define DOS_SDA_OFS 0
class DOS_SDA : public MemStruct {
public:
DOS_SDA(Bit16u _seg,Bit16u _offs) { SetPt(_seg,_offs); }