| [2] | 1 | /* Pointer means offset from beginning of file or beginning of struct */
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| 2 | #pragma pack(1)
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| 3 | typedef struct {
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| 4 | unsigned short int ppNextMap; /* paragraph pointer to next map */
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| 5 | unsigned char bFlags; /* symbol types */
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| 6 | unsigned char bReserved1; /* reserved */
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| 7 | unsigned short int pSegEntry; /* segment entry point value */
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| 8 | unsigned short int cConsts; /* count of constants in map */
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| 9 | unsigned short int pConstDef; /* pointer to constant chain */
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| 10 | unsigned short int cSegs; /* count of segments in map */
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| 11 | unsigned short int ppSegDef; /* paragraph pointer to first segment */
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| 12 | unsigned char cbMaxSym; /* maximum symbol-name length */
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| 13 | unsigned char cbModName; /* length of module name */
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| 14 | char achModName[1]; /* cbModName Bytes of module-name member */
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| 15 | } MAPDEF;
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| 16 |
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| 17 | typedef struct {
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| 18 | unsigned short int ppNextMap; /* always zero */
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| 19 | unsigned char release; /* release number (minor version number) */
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| 20 | unsigned char version; /* major version number */
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| 21 | } LAST_MAPDEF;
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| 22 |
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| 23 | typedef struct {
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| 24 | unsigned short int ppNextSeg; /* paragraph pointer to next segment */
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| 25 | unsigned short int cSymbols; /* count of symbols in list */
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| 26 | unsigned short int pSymDef; /* offset of symbol chain */
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| 27 | unsigned short int wReserved1; /* reserved */
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| 28 | unsigned short int wReserved2; /* reserved */
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| 29 | unsigned short int wReserved3; /* reserved */
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| 30 | unsigned short int wReserved4; /* reserved */
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| 31 | unsigned char bFlags; /* symbol types */
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| 32 | unsigned char bReserved1; /* reserved */
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| 33 | unsigned short int ppLineDef; /* offset of line number record */
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| 34 | unsigned char bReserved2; /* reserved */
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| 35 | unsigned char bReserved3; /* reserved */
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| 36 | unsigned char cbSegName; /* length of segment name */
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| 37 | char achSegName[1]; /* cbSegName Bytes of segment-name member*/
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| 38 | } SEGDEF;
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| 39 |
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| 40 | typedef struct {
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| 41 | unsigned short int wSymVal; /* symbol address or constant */
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| 42 | unsigned char cbSymName; /* length of symbol name */
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| 43 | char achSymName[1]; /* cbSymName Bytes of symbol-name member */
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| 44 | } SYMDEF16;
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| 45 |
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| 46 | typedef struct {
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| 47 | unsigned int wSymVal; /* symbol address or constant */
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| 48 | unsigned char cbSymName; /* length of symbol name */
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| 49 | char achSymName[1]; /* cbSymName Bytes of symbol-name member */
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| 50 | } SYMDEF32;
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| 51 |
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| 52 | typedef struct {
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| 53 | unsigned short int ppNextLine; /* ptr to next linedef (0 if last) */
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| 54 | unsigned short int wReserved1; /* reserved */
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| 55 | unsigned short int pLines; /* pointer to line numbers */
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| 56 | unsigned short int cLines; /* reserved */
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| 57 | unsigned char cbFileName; /* length of filename */
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| 58 | char achFileName[1];/* cbFileName Bytes of filename */
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| 59 | } LINEDEF;
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| 60 |
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| 61 | typedef struct {
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| 62 | unsigned short int wCodeOffset; /* executable offset */
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| 63 | unsigned short int dwFileOffset; /* source offset */
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| 64 | } LINEINF;
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| 65 |
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| 66 | #define SEGDEFOFFSET(MapDef) (MapDef.ppSegDef*16)
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| 67 | #define NEXTSEGDEFOFFSET(SegDef) (SegDef.ppNextSeg*16)
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| 68 |
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| 69 | #define ASYMPTROFFSET(SegDefOffset,Segdef) (SegDefOffset+SegDef.pSymDef)
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| 70 | #define SYMDEFOFFSET(SegDefOffset,SegDef,n) (ASYMPTROFFSET(SegDefOffset,SegDef)+(n)*(sizeof(unsigned short int)))
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| 71 |
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| 72 | #define ACONSTPTROFFSET(MapDef) (MapDef.ppConstDef)
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| 73 | #define CONSTDEFOFFSET(MapDef,n) ((MapDef.ppConstDef)+(n)*(sizeof(unsigned short int)))
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| 74 |
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| 75 | #define LINEDEFOFFSET(SegDef) (SegDef.ppLineDef*16))
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| 76 | #define NEXTLINEDEFOFFSET(LineDef) (LineDef.ppNextLine*16)
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| 77 | #define LINESOFFSET(LinedefOffset,LineDef) ((LinedefOffset)+LineDef.pLines)
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| 78 |
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| 79 |
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