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82 lines
2.1 KiB
C
82 lines
2.1 KiB
C
/*
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GEOS functions from disk driver
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by Maciej 'YTM/Elysium' Witkowiak
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*/
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#ifndef _GDISK_H
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#define _GDISK_H
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#ifndef _GSTRUCT_H
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#include <geos/gstruct.h>
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#endif
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char __fastcall__ ReadBuff(struct tr_se *myTrSe);
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char __fastcall__ WriteBuff(struct tr_se *myTrSe);
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char __fastcall__ GetBlock(struct tr_se *myTrSe, char *buffer);
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char __fastcall__ PutBlock(struct tr_se *myTrSe, const char *buffer);
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char __fastcall__ ReadBlock(struct tr_se *myTrSe, char *buffer);
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char __fastcall__ WriteBlock(struct tr_se *myTrSe, const char *buffer);
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char __fastcall__ VerWriteBlock(struct tr_se *myTrSe, const char *buffer);
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unsigned CalcBlksFree(void);
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char ChkDkGEOS(void);
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char SetGEOSDisk(void);
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char NewDisk(void);
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char OpenDisk(void);
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char __fastcall__ FindBAMBit(struct tr_se *myTrSe);
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char __fastcall__ BlkAlloc(struct tr_se output[], unsigned length);
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char __fastcall__ NxtBlkAlloc(struct tr_se *startTrSe,
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struct tr_se output[], unsigned length);
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char __fastcall__ FreeBlock(struct tr_se *myTrSe);
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struct tr_se __fastcall__ SetNextFree(struct tr_se *myTrSe);
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// above needs (unsigned) casts on both sides of '='
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char GetDirHead(void);
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char PutDirHead(void);
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void __fastcall__ GetPtrCurDkNm(char *name);
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void EnterTurbo(void);
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void ExitTurbo(void);
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void PurgeTurbo(void);
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char __fastcall__ ChangeDiskDevice(char newdev);
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/* disk header offsets i.e. index curDirHead with these */
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#define OFF_TO_BAM 4
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#define OFF_DISK_NAME 144
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#define OFF_GS_DTYPE 189
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#define OFF_OP_TR_SC 171
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#define OFF_GS_ID 173
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/* disk errors reported in oserrno */
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#define ANY_FAULT 0xf0
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#define G_EOF 0
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#define NO_BLOCKS 1
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#define INV_TRACK 2
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#define INSUFF_SPACE 3
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#define FULL_DIRECTORY 4
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#define FILE_NOT_FOUND 5
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#define BAD_BAM 6
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#define UNOPENED_VLIR 7
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#define INV_RECORD 8
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#define OUT_OF_RECORDS 9
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#define STRUCT_MISMAT 10
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#define BFR_OVERFLOW 11
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#define CANCEL_ERR 12
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#define DEV_NOT_FOUND 13
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#define INCOMPATIBLE 14
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#define HDR_NOT_THERE 0x20
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#define NO_SYNC 0x21
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#define DBLK_NOT_THERE 0x22
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#define DAT_CHKSUM_ERR 0x23
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#define WR_VER_ERR 0x25
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#define WR_PR_ON 0x26
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#define HDR_CHKSUM_ERR 0x27
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#define DSK_ID_MISMAT 0x29
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#define BYTE_DEC_ERR 0x2e
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#define DOS_MISMATCH 0x73
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#endif
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