New classes for DTA,ParamBlock and probably some others.
Changes to the names of some of the dos functions. Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@352
This commit is contained in:
Sjoerd van der Berg
parent
9efdfcdf1f
commit
0082ef5eae
1 changed files with 292 additions and 263 deletions
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@ -23,56 +23,11 @@
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#include <mem.h>
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#pragma pack (1)
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struct CommandTail{
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Bit8u count; /* number of bytes returned */
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char buffer[127]; /* the buffer itself */
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} GCC_ATTRIBUTE(packed);
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struct sPSP {
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Bit8u exit[2]; /* CP/M-like exit poimt */
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Bit16u next_seg; /* Segment of first byte beyond memory allocated or program */
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Bit8u fill_1; /* single char fill */
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Bit8u far_call; /* far call opcode */
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RealPt cpm_entry; /* CPM Service Request address*/
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RealPt int_22; /* Terminate Address */
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RealPt int_23; /* Break Address */
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RealPt int_24; /* Critical Error Address */
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Bit16u psp_parent; /* Parent PSP Segment */
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Bit8u files[20]; /* File Table - 0xff is unused */
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Bit16u environment; /* Segment of evironment table */
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RealPt stack; /* SS:SP Save point for int 0x21 calls */
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Bit16u max_files; /* Maximum open files */
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RealPt file_table; /* Pointer to File Table PSP:0x18 */
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RealPt prev_psp; /* Pointer to previous PSP */
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RealPt dta; /* Pointer to current Process DTA */
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Bit8u fill_2[16]; /* Lot's of unused stuff i can't care aboue */
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Bit8u service[3]; /* INT 0x21 Service call int 0x21;retf; */
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Bit8u fill_3[9]; /* This has some blocks with FCB info */
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Bit8u fcb1[16]; /* first FCB */
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Bit8u fcb2[16]; /* second FCB */
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Bit8u fill_4[4]; /* unused */
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CommandTail cmdtail;
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} GCC_ATTRIBUTE(packed);
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struct ParamBlock {
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union {
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struct {
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Bit16u loadseg;
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Bit16u relocation;
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} overlay;
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struct {
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Bit16u envseg;
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RealPt cmdtail;
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RealPt fcb1;
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RealPt fcb2;
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RealPt initsssp;
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RealPt initcsip;
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} exec;
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};
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} GCC_ATTRIBUTE(packed);
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struct MCB {
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Bit8u type;
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@ -90,7 +45,6 @@ struct DOS_Date {
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Bit8u day;
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};
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struct DOS_Version {
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Bit8u major,minor,revision;
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};
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@ -106,50 +60,183 @@ struct DOS_Block {
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RealPt dta;
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Bit8u return_code,return_mode;
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Bit8u current_drive;
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bool verify;
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bool breakcheck;
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struct {
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RealPt indosflag;
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RealPt mediaid;
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RealPt tempdta;
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} tables;
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};
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class MemStruct {
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public:
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Bit8u GetIt(Bit8u,PhysPt addr) {
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return mem_readb(pt+addr);
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};
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Bit16u GetIt(Bit16u,PhysPt addr) {
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return mem_readw(pt+addr);
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};
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Bit32u GetIt(Bit32u,PhysPt addr) {
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return mem_readd(pt+addr);
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};
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void SaveIt(Bit8u,PhysPt addr,Bit8u val) {
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mem_writeb(pt+addr,val);
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};
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void SaveIt(Bit16u,PhysPt addr,Bit16u val) {
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mem_writew(pt+addr,val);
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};
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void SaveIt(Bit32u,PhysPt addr,Bit32u val) {
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mem_writed(pt+addr,val);
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};
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enum { MCB_FREE=0x0000,MCB_DOS=0x0008 };
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enum { RETURN_EXIT=0,RETURN_CTRLC=1,RETURN_ABORT=2,RETURN_TSR=3};
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protected:
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PhysPt pt;
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#define DOS_FILES 50
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#define DOS_DRIVES 26
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};
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/* internal Dos Tables */
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extern DOS_Block dos;
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extern DOS_File * Files[DOS_FILES];
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extern DOS_Drive * Drives[DOS_DRIVES];
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extern Bit8u dos_copybuf[0x10000];
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void DOS_SetError(Bit16u code);
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/* File Handling Routines */
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enum { STDIN=0,STDOUT=1,STDERR=2,STDAUX=3,STDNUL=4,STDPRN=5};
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enum { HAND_NONE=0,HAND_FILE,HAND_DEVICE};
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/* Routines for File Class */
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void DOS_SetupFiles (void);
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bool DOS_ReadFile(Bit16u handle,Bit8u * data,Bit16u * amount);
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bool DOS_WriteFile(Bit16u handle,Bit8u * data,Bit16u * amount);
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bool DOS_SeekFile(Bit16u handle,Bit32u * pos,Bit32u type);
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bool DOS_CloseFile(Bit16u handle);
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bool DOS_DuplicateEntry(Bit16u entry,Bit16u * newentry);
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bool DOS_ForceDuplicateEntry(Bit16u entry,Bit16u newentry);
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/* Routines for Drive Class */
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bool DOS_OpenFile(char * name,Bit8u flags,Bit16u * entry);
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bool DOS_CreateFile(char * name,Bit16u attribute,Bit16u * entry);
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bool DOS_UnlinkFile(char * name);
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bool DOS_FindFirst(char *search,Bit16u attr);
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bool DOS_FindNext(void);
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bool DOS_Canonicalize(char * name,char * big);
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bool DOS_CreateTempFile(char * name,Bit16u * entry);
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bool DOS_FileExists(char * name);
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/* Drive Handing Routines */
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Bit8u DOS_GetDefaultDrive(void);
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void DOS_SetDefaultDrive(Bit8u drive);
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bool DOS_SetDrive(Bit8u drive);
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bool DOS_GetCurrentDir(Bit8u drive,char * bugger);
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bool DOS_ChangeDir(char * dir);
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bool DOS_MakeDir(char * dir);
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bool DOS_RemoveDir(char * dir);
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bool DOS_Rename(char * oldname,char * newname);
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bool DOS_GetFreeDiskSpace(Bit8u drive,Bit16u * bytes,Bit16u * sectors,Bit16u * clusters,Bit16u * free);
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bool DOS_GetFileAttr(char * name,Bit16u * attr);
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/* IOCTL Stuff */
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bool DOS_IOCTL(Bit8u call,Bit16u entry);
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bool DOS_GetSTDINStatus();
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Bit8u DOS_FindDevice(char * name);
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void DOS_SetupDevices(void);
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/* Execute and new process creation */
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bool DOS_NewPSP(Bit16u pspseg,Bit16u size);
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bool DOS_Execute(char * name,PhysPt block,Bit8u flags);
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bool DOS_Terminate(bool tsr);
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/* Memory Handling Routines */
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void DOS_SetupMemory(void);
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bool DOS_AllocateMemory(Bit16u * segment,Bit16u * blocks);
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bool DOS_ResizeMemory(Bit16u segment,Bit16u * blocks);
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bool DOS_FreeMemory(Bit16u segment);
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void DOS_FreeProcessMemory(Bit16u pspseg);
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Bit16u DOS_GetMemory(Bit16u pages);
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/* FCB stuff */
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bool DOS_FCBOpenCreate(Bit16u seg,Bit16u offset);
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bool DOS_FCBClose(Bit16u seg,Bit16u offset);
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bool DOS_FCBFindFirst(Bit16u seg,Bit16u offset);
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bool DOS_FCBFindNext(Bit16u seg,Bit16u offset);
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Bit8u DOS_FCBRead(Bit16u seg,Bit16u offset, Bit16u numBlocks);
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bool DOS_FCBWrite(Bit16u seg,Bit16u offset,Bit16u numBlocks);
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Bit8u DOS_FCBRandomRead(Bit16u seg,Bit16u offset,Bit16u numRec,bool restore);
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bool DOS_FCBRandomWrite(Bit16u seg,Bit16u offset,Bit16u numRec,bool restore);
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bool DOS_FCBGetFileSize(Bit16u seg,Bit16u offset,Bit16u numRec);
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bool DOS_FCBDeleteFile(Bit16u seg,Bit16u offset);
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bool DOS_FCBRenameFile(Bit16u seg, Bit16u offset);
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void DOS_FCBSetRandomRecord(Bit16u seg, Bit16u offset);
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Bit8u FCB_Parsename(Bit16u seg,Bit16u offset,Bit8u parser ,char *string, Bit8u *change);
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/* Extra DOS Interrupts */
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void DOS_SetupMisc(void);
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/* The DOS Tables */
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void DOS_SetupTables(void);
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/* Internal DOS Setup Programs */
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void DOS_SetupPrograms(void);
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INLINE Bit16u long2para(Bit32u size) {
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if (size>0xFFFF0) return 0xffff;
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if (size&0xf) return (Bit16u)((size>>4)+1);
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else return (Bit16u)(size>>4);
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}
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INLINE Bit16u DOS_PackTime(Bit16u hour,Bit16u min,Bit16u sec) {
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return (hour&0x1f)<<11 | (min&0x3f) << 5 | ((sec/2)&0x1f);
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}
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INLINE Bit16u DOS_PackDate(Bit16u year,Bit16u mon,Bit16u day) {
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return ((year-1980)&0x7f)<<9 | (mon&0x3f) << 5 | (day&0x1f);
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}
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/* Dos Error Codes */
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#define DOSERR_NONE 0
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#define DOSERR_FUNCTION_NUMBER_INVALID 1
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#define DOSERR_FILE_NOT_FOUND 2
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#define DOSERR_PATH_NOT_FOUND 3
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#define DOSERR_TOO_MANY_OPEN_FILES 4
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#define DOSERR_ACCESS_DENIED 5
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#define DOSERR_INVALID_HANDLE 6
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#define DOSERR_MCB_DESTROYED 7
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#define DOSERR_INSUFFICIENT_MEMORY 8
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#define DOSERR_MB_ADDRESS_INVALID 9
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#define DOSERR_ENVIRONMENT_INVALID 10
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#define DOSERR_FORMAT_INVALID 11
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#define DOSERR_ACCESS_CODE_INVALID 12
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#define DOSERR_DATA_INVALID 13
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#define DOSERR_RESERVED 14
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#define DOSERR_FIXUP_OVERFLOW 14
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#define DOSERR_INVALID_DRIVE 15
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#define DOSERR_REMOVE_CURRENT_DIRECTORY 16
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#define DOSERR_NOT_SAME_DEVICE 17
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#define DOSERR_NO_MORE_FILES 18
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/* Remains some classes used to access certain things */
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#define sGet(s,m) GetIt(((s *)Phys2Host(pt))->m,(PhysPt)&(((s *)0)->m))
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#define sSave(s,m,val) SaveIt(((s *)Phys2Host(pt))->m,(PhysPt)&(((s *)0)->m),val)
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class MemStruct {
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public:
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INLINE Bit8u GetIt(Bit8u,PhysPt addr) {
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return mem_readb(pt+addr);
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}
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INLINE Bit16u GetIt(Bit16u,PhysPt addr) {
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return mem_readw(pt+addr);
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}
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INLINE Bit32u GetIt(Bit32u,PhysPt addr) {
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return mem_readd(pt+addr);
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}
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INLINE void SaveIt(Bit8u,PhysPt addr,Bit8u val) {
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mem_writeb(pt+addr,val);
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}
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INLINE void SaveIt(Bit16u,PhysPt addr,Bit16u val) {
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mem_writew(pt+addr,val);
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}
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INLINE void SaveIt(Bit32u,PhysPt addr,Bit32u val) {
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mem_writed(pt+addr,val);
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}
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INLINE void SetPt(Bit16u seg) { pt=PhysMake(seg,0);}
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INLINE void SetPt(Bit16u seg,Bit16u off) { pt=PhysMake(seg,off);}
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INLINE void SetPt(RealPt addr) { pt=Real2Phys(addr);}
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protected:
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PhysPt pt;
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};
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class DOS_PSP :public MemStruct {
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public:
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DOS_PSP () { seg=0; pt=0; };
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DOS_PSP (Bit16u segment) { NewPt(segment); };
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void NewPt (Bit16u segment);
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DOS_PSP (Bit16u segment) { SetPt(segment);seg=segment;psp=(sPSP *)HostMake(segment,0);};
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void MakeNew (Bit16u memSize);
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void CopyFileTable (DOS_PSP* srcpsp);
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Bit16u FindFreeFileEntry (void);
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void CloseFiles (void);
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@ -176,202 +263,74 @@ public:
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void SetCommandTail (RealPt src);
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private:
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#pragma pack(1)
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struct sPSP {
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Bit8u exit[2]; /* CP/M-like exit poimt */
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Bit16u next_seg; /* Segment of first byte beyond memory allocated or program */
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Bit8u fill_1; /* single char fill */
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Bit8u far_call; /* far call opcode */
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RealPt cpm_entry; /* CPM Service Request address*/
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RealPt int_22; /* Terminate Address */
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RealPt int_23; /* Break Address */
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RealPt int_24; /* Critical Error Address */
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Bit16u psp_parent; /* Parent PSP Segment */
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Bit8u files[20]; /* File Table - 0xff is unused */
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Bit16u environment; /* Segment of evironment table */
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RealPt stack; /* SS:SP Save point for int 0x21 calls */
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Bit16u max_files; /* Maximum open files */
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RealPt file_table; /* Pointer to File Table PSP:0x18 */
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RealPt prev_psp; /* Pointer to previous PSP */
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RealPt dta; /* Pointer to current Process DTA */
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Bit8u fill_2[16]; /* Lot's of unused stuff i can't care aboue */
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Bit8u service[3]; /* INT 0x21 Service call int 0x21;retf; */
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Bit8u fill_3[9]; /* This has some blocks with FCB info */
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Bit8u fcb1[16]; /* first FCB */
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Bit8u fcb2[16]; /* second FCB */
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Bit8u fill_4[4]; /* unused */
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CommandTail cmdtail;
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} GCC_ATTRIBUTE(packed);
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#pragma pack()
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Bit16u seg;
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sPSP* psp;
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public:
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static Bit16u rootpsp;
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};
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enum { MCB_FREE=0x0000,MCB_DOS=0x0008 };
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enum { RETURN_EXIT=0,RETURN_CTRLC=1,RETURN_ABORT=2,RETURN_TSR=3};
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#define DOS_FILES 50
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#define DOS_DRIVES 26
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/* internal Dos Tables */
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extern DOS_Block dos;
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extern DOS_File * Files[DOS_FILES];
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extern DOS_Drive * Drives[DOS_DRIVES];
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void DOS_SetError(Bit16u code);
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/* File Handling Routines */
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enum { STDIN=0,STDOUT=1,STDERR=2,STDAUX=3,STDNUL=4,STDPRN=5};
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enum { HAND_NONE=0,HAND_FILE,HAND_DEVICE};
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/* Routines for File Class */
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void DOS_SetupFiles (void);
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bool DOS_ReadFile(Bit16u handle,Bit8u * data,Bit16u * amount);
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bool DOS_WriteFile(Bit16u handle,Bit8u * data,Bit16u * amount);
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bool DOS_SeekFile(Bit16u handle,Bit32u * pos,Bit32u type);
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bool DOS_CloseFile(Bit16u handle);
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bool DOS_DuplicateEntry(Bit16u entry,Bit16u * newentry);
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bool DOS_ForceDuplicateEntry(Bit16u entry,Bit16u newentry);
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/* Routines for Drive Class */
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bool DOS_OpenFile(char * name,Bit8u flags,Bit16u * entry);
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bool DOS_CreateFile(char * name,Bit16u attribute,Bit16u * entry);
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bool DOS_UnlinkFile(char * name);
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bool DOS_FindFirst(char *search,Bit16u attr);
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bool DOS_FindNext(void);
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bool DOS_Canonicalize(char * name,char * big);
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bool DOS_CreateTempFile(char * name,Bit16u * entry);
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bool DOS_FileExists(char * name);
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/* Drive Handing Routines */
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Bit8u DOS_GetDefaultDrive(void);
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void DOS_SetDefaultDrive(Bit8u drive);
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bool DOS_SetDrive(Bit8u drive);
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bool DOS_GetCurrentDir(Bit8u drive,char * bugger);
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bool DOS_ChangeDir(char * dir);
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bool DOS_MakeDir(char * dir);
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bool DOS_RemoveDir(char * dir);
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bool DOS_Rename(char * oldname,char * newname);
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bool DOS_GetFreeDiskSpace(Bit8u drive,Bit16u * bytes,Bit16u * sectors,Bit16u * clusters,Bit16u * free);
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bool DOS_GetFileAttr(char * name,Bit16u * attr);
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/* IOCTL Stuff */
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bool DOS_IOCTL(Bit8u call,Bit16u entry);
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bool DOS_GetSTDINStatus();
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Bit8u DOS_FindDevice(char * name);
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void DOS_SetupDevices(void);
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/* Execute and new process creation */
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bool DOS_NewPSP(Bit16u pspseg,Bit16u size);
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bool DOS_Execute(char * name,ParamBlock * block,Bit8u flags);
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bool DOS_Terminate(bool tsr);
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/* Memory Handling Routines */
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void DOS_SetupMemory(void);
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bool DOS_AllocateMemory(Bit16u * segment,Bit16u * blocks);
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bool DOS_ResizeMemory(Bit16u segment,Bit16u * blocks);
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bool DOS_FreeMemory(Bit16u segment);
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void DOS_FreeProcessMemory(Bit16u pspseg);
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Bit16u DOS_GetMemory(Bit16u pages);
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/* FCB stuff */
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bool DOS_FCBOpen(Bit16u seg,Bit16u offset);
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bool DOS_FCBClose(Bit16u seg,Bit16u offset);
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bool DOS_FCBFindFirst(Bit16u seg,Bit16u offset);
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bool DOS_FCBFindNext(Bit16u seg,Bit16u offset);
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Bit8u DOS_FCBRead(Bit16u seg,Bit16u offset, Bit16u numBlocks);
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bool DOS_FCBWrite(Bit16u seg,Bit16u offset,Bit16u numBlocks);
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bool DOS_FCBCreate(Bit16u seg,Bit16u offset);
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Bit8u DOS_FCBRandomRead(Bit16u seg,Bit16u offset,Bit16u numRec);
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bool DOS_FCBRandomWrite(Bit16u seg,Bit16u offset,Bit16u numRec);
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bool DOS_FCBGetFileSize(Bit16u seg,Bit16u offset,Bit16u numRec);
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bool DOS_FCBDeleteFile(Bit16u seg,Bit16u offset);
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bool DOS_FCBRenameFile(Bit16u seg, Bit16u offset);
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Bit8u FCB_Parsename(Bit16u seg,Bit16u offset,Bit8u parser ,char *string, Bit8u *change);
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/* Extra DOS Interrupts */
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void DOS_SetupMisc(void);
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/* The DOS Tables */
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void DOS_SetupTables(void);
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/* Internal DOS Setup Programs */
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void DOS_SetupPrograms(void);
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INLINE Bit16u long2para(Bit32u size) {
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if (size>0xFFFF0) return 0xffff;
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if (size&0xf) return (Bit16u)((size>>4)+1);
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else return (Bit16u)(size>>4);
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};
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INLINE Bit8u RealHandle(Bit16u handle) {
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DOS_PSP psp(dos.psp);
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return psp.GetFileHandle((Bit8u)handle);
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};
|
||||
|
||||
/* Dos Error Codes */
|
||||
#define DOSERR_NONE 0
|
||||
#define DOSERR_FUNCTION_NUMBER_INVALID 1
|
||||
#define DOSERR_FILE_NOT_FOUND 2
|
||||
#define DOSERR_PATH_NOT_FOUND 3
|
||||
#define DOSERR_TOO_MANY_OPEN_FILES 4
|
||||
#define DOSERR_ACCESS_DENIED 5
|
||||
#define DOSERR_INVALID_HANDLE 6
|
||||
#define DOSERR_MCB_DESTROYED 7
|
||||
#define DOSERR_INSUFFICIENT_MEMORY 8
|
||||
#define DOSERR_MB_ADDRESS_INVALID 9
|
||||
#define DOSERR_ENVIRONMENT_INVALID 10
|
||||
#define DOSERR_FORMAT_INVALID 11
|
||||
#define DOSERR_ACCESS_CODE_INVALID 12
|
||||
#define DOSERR_DATA_INVALID 13
|
||||
#define DOSERR_RESERVED 14
|
||||
#define DOSERR_FIXUP_OVERFLOW 14
|
||||
#define DOSERR_INVALID_DRIVE 15
|
||||
#define DOSERR_REMOVE_CURRENT_DIRECTORY 16
|
||||
#define DOSERR_NOT_SAME_DEVICE 17
|
||||
#define DOSERR_NO_MORE_FILES 18
|
||||
|
||||
/* Remains some classes used to access certain things */
|
||||
class DOS_FCB {
|
||||
class DOS_ParamBlock:public MemStruct {
|
||||
public:
|
||||
DOS_FCB(PhysPt pt){
|
||||
off=pt;
|
||||
}
|
||||
DOS_FCB(Bit16u seg, Bit16u offset){
|
||||
off=PhysMake(seg,offset);
|
||||
}
|
||||
void Set_drive(Bit8u a);
|
||||
void Set_filename(char* a); //writes an the first 8 bytes of a as the filename
|
||||
void Set_ext(char* a);
|
||||
void Set_current_block(Bit16u a);
|
||||
void Set_record_size(Bit16u a);
|
||||
void Set_filesize(Bit32u a);
|
||||
void Set_date(Bit16u a);
|
||||
void Set_time(Bit16u a);
|
||||
void Set_current_record(Bit8u a);
|
||||
void Set_random_record(Bit32u a);
|
||||
// others nog yet handled
|
||||
Bit8u Get_drive(void);
|
||||
void Get_filename(char* a);
|
||||
void Get_ext(char* a);
|
||||
Bit16u Get_current_block(void);
|
||||
Bit16u Get_record_size(void);
|
||||
Bit32u Get_filesize(void);
|
||||
Bit16u Get_date(void);
|
||||
Bit16u Get_time(void);
|
||||
Bit8u Get_current_record(void);
|
||||
Bit32u Get_random_record(void);
|
||||
private:
|
||||
PhysPt off;
|
||||
};
|
||||
|
||||
class DOS_ParamBlock {
|
||||
public:
|
||||
DOS_ParamBlock(PhysPt pt){
|
||||
off=pt;
|
||||
DOS_ParamBlock(PhysPt addr) {pt=addr;}
|
||||
void Clear(void);
|
||||
void LoadData(void);
|
||||
void SaveData(void);
|
||||
#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);
|
||||
};
|
||||
void InitExec(RealPt cmdtail);
|
||||
Bit16u loadseg(void);
|
||||
Bit16u relocation(void);
|
||||
Bit16u envseg(void);
|
||||
RealPt initsssp(void);
|
||||
RealPt initcsip(void);
|
||||
RealPt fcb1(void);
|
||||
RealPt fcb2(void);
|
||||
RealPt cmdtail(void);
|
||||
private:
|
||||
PhysPt off;
|
||||
#pragma pack()
|
||||
sPBlock data;
|
||||
};
|
||||
|
||||
class DOS_InfoBlock {
|
||||
class DOS_InfoBlock:public MemStruct {
|
||||
public:
|
||||
DOS_InfoBlock (void) { seg=0; dib=0; };
|
||||
|
||||
void SetLocation (Bit16u segment);
|
||||
void SetFirstMCB (RealPt pt);
|
||||
void GetDIBPointer (Bit16u& segment, Bit16u& offset);
|
||||
|
||||
DOS_InfoBlock () {};
|
||||
void SetLocation(Bit16u seg);
|
||||
void SetFirstMCB(RealPt _first_mcb);
|
||||
void SetfirstFileTable(RealPt _first_table);
|
||||
RealPt GetPointer (void);
|
||||
private:
|
||||
#pragma pack (push,1)
|
||||
struct SDosInfoBlock {
|
||||
#pragma pack(1)
|
||||
struct sDIB {
|
||||
Bit8u stuff1[22]; // some stuff, hopefully never used....
|
||||
RealPt firstMCB; // first memory control block
|
||||
RealPt firstDPB; // first drive parameter block
|
||||
|
|
@ -384,13 +343,83 @@ private:
|
|||
RealPt fcbTable; // pointer to system FCB table
|
||||
// some more stuff, hopefully never used.
|
||||
} GCC_ATTRIBUTE(packed);
|
||||
#pragma pack (pop)
|
||||
|
||||
SDosInfoBlock* dib;
|
||||
Bit16u seg;
|
||||
#pragma pack ()
|
||||
Bit16u seg;
|
||||
};
|
||||
|
||||
extern DOS_InfoBlock dosInfoBlock;
|
||||
class DOS_DTA:public MemStruct{
|
||||
public:
|
||||
DOS_DTA(RealPt addr) { SetPt(addr); }
|
||||
|
||||
void SetupSearch(Bit8u _sdrive,Bit8u _sattr,char * _pattern);
|
||||
void SetResult(const char * _name,Bit32u _size,Bit16u _date,Bit16u _time,Bit8u _attr);
|
||||
|
||||
Bit8u GetSearchDrive(void);
|
||||
void GetSearchParams(Bit8u & _sattr,char * _spattern);
|
||||
void GetResult(char * _name,Bit32u & _size,Bit16u & _date,Bit16u & _time,Bit8u & _attr);
|
||||
private:
|
||||
#pragma pack(1)
|
||||
struct sDTA {
|
||||
Bit8u sdrive; /* The Drive the search is taking place */
|
||||
Bit8u sattr; /* The Attributes that need to be found */
|
||||
Bit8u sname[8]; /* The Search pattern for the filename */
|
||||
Bit8u sext[3]; /* The Search pattern for the extenstion */
|
||||
Bit8u fill[8];
|
||||
Bit8u attr;
|
||||
Bit16u time;
|
||||
Bit16u date;
|
||||
Bit32u size;
|
||||
char name[DOS_NAMELENGTH_ASCII];
|
||||
} GCC_ATTRIBUTE(packed);
|
||||
#pragma pack()
|
||||
};
|
||||
|
||||
class DOS_FCB: public MemStruct {
|
||||
public:
|
||||
DOS_FCB(Bit16u seg,Bit16u off);
|
||||
void Create(bool _extended);
|
||||
void SetName(Bit8u _drive,char * _fname,char * _ext);
|
||||
void SetSizeDateTime(Bit32u _size,Bit16u _date,Bit16u _time);
|
||||
void GetSizeDateTime(Bit32u & _size,Bit16u & _date,Bit16u & _time);
|
||||
void GetName(char * fillname);
|
||||
void FileOpen(Bit8u _fhandle);
|
||||
void FileClose(Bit8u & _fhandle);
|
||||
void GetRecord(Bit16u & _cur_block,Bit8u & _cur_rec);
|
||||
void SetRecord(Bit16u _cur_block,Bit8u _cur_rec);
|
||||
void GetSeqData(Bit8u & _fhandle,Bit16u & _rec_size);
|
||||
void GetRandom(Bit32u & _random);
|
||||
void SetRandom(Bit32u _random);
|
||||
Bit8u GetDrive(void);
|
||||
bool Extended(void);
|
||||
private:
|
||||
bool extended;
|
||||
PhysPt real_pt;
|
||||
#pragma pack (1)
|
||||
struct sFCB {
|
||||
Bit8u drive; /* Drive number 0=default, 1=A, etc */
|
||||
Bit8u filename[8]; /* Space padded name */
|
||||
Bit8u ext[3]; /* Space padded extension */
|
||||
Bit16u cur_block; /* Current Block */
|
||||
Bit16u rec_size; /* Logical record size */
|
||||
Bit32u filesize; /* File Size */
|
||||
Bit16u date;
|
||||
Bit16u time;
|
||||
/* Reserved Block should be 8 bytes */
|
||||
Bit8u file_handle;
|
||||
Bit8u reserved[7];
|
||||
/* end */
|
||||
Bit8u cur_rec; /* Current record in current block */
|
||||
Bit32u rndm; /* Current relative record number */
|
||||
} GCC_ATTRIBUTE(packed);
|
||||
#pragma pack ()
|
||||
};
|
||||
|
||||
extern DOS_InfoBlock dos_infoblock;;
|
||||
|
||||
INLINE Bit8u RealHandle(Bit16u handle) {
|
||||
DOS_PSP psp(dos.psp);
|
||||
return psp.GetFileHandle((Bit8u)handle);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue