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Fixes to parameter and infoblock classes.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@383
This commit is contained in:
Sjoerd van der Berg 2002-10-20 01:21:29 +00:00
parent ce5645aa12
commit 9f470cc419
1 changed files with 17 additions and 18 deletions
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35
include/dos_inc.h
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@ -302,38 +302,37 @@ public:
DOS_ParamBlock(PhysPt addr) {pt=addr;}
void Clear(void);
void LoadData(void);
void SaveData(void);
void SaveData(void); /* Save it as an exec block */
#pragma pack (1)
union sPBlock {
struct {
Bit16u loadseg;
Bit16u relocation;
} overlay GCC_ATTRIBUTE(packed);
struct {
Bit16u envseg;
RealPt cmdtail;
RealPt fcb1;
RealPt fcb2;
RealPt initsssp;
RealPt initcsip;
} exec GCC_ATTRIBUTE(packed);
};
struct sOverlay {
Bit16u loadseg;
Bit16u relocation;
} GCC_ATTRIBUTE(packed);
struct sExec {
Bit16u envseg;
RealPt cmdtail;
RealPt fcb1;
RealPt fcb2;
RealPt initsssp;
RealPt initcsip;
}GCC_ATTRIBUTE(packed);
#pragma pack()
sPBlock data;
sExec exec;
sOverlay overlay;
};
class DOS_InfoBlock:public MemStruct {
public:
DOS_InfoBlock () {};
void SetLocation(Bit16u seg);
void SetFirstMCB(RealPt _first_mcb);
void SetFirstMCB(Bit16u _first_mcb);
void SetfirstFileTable(RealPt _first_table);
RealPt GetPointer (void);
private:
#pragma pack(1)
struct sDIB {
Bit8u stuff1[22]; // some stuff, hopefully never used....
RealPt firstMCB; // first memory control block
Bit16u firstMCB; // first memory control block
RealPt firstDPB; // first drive parameter block
RealPt firstFileTable; // first system file table
RealPt activeClock; // active clock device header