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- {
- This file is part of the Free Pascal run time library.
-
- A file in Amiga system run time library.
- Copyright (c) 1998-2000 by Nils Sjoholm
- member of the Amiga RTL development team.
-
- See the file COPYING.FPC, included in this distribution,
- for details about the copyright.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
- **********************************************************************}
-
- unit iffparse;
-
- INTERFACE
-
- uses exec, clipboard, utility;
-
-
- const
-
- IFFPARSENAME : PChar = 'iffparse.library';
-
- {
- * Struct associated with an active IFF stream.
- * "iff_Stream" is a value used by the client's read/write/seek functions -
- * it will not be accessed by the library itself and can have any value
- * (could even be a pointer or a BPTR).
- }
- Type
- pIFFHandle = ^tIFFHandle;
- tIFFHandle = record
- iff_Stream,
- iff_Flags : ULONG
- iff_Depth : LONGINT; { Depth of context stack. }
- { There are private fields hiding here. }
- END;
-
- {
- * Bit masks for "iff_Flags" field.
- }
- CONST
- IFFF_READ = 0; { read mode - default }
- IFFF_WRITE = 1; { write mode }
- IFFF_RWBITS = (IFFF_READ + IFFF_WRITE); { read/write bits }
- IFFF_FSEEK = 2; { forward seek only }
- IFFF_RSEEK = 4; { random seek }
- IFFF_RESERVED = $FFFF0000; { Don't touch these bits. }
-
- {
- * When the library calls your stream handler, you'll be passed a pointer
- * to this structure as the "message packet".
- }
- Type
- pIFFStreamCmd = ^tIFFStreamCmd;
- tIFFStreamCmd = record
- sc_Command : Longint; { Operation to be performed (IFFCMD_) }
- sc_Buf : Pointer; { Pointer to data buffer }
- sc_NBytes : Longint; { Number of bytes to be affected }
- END;
- {
- * A node associated with a context on the iff_Stack. Each node
- * represents a chunk, the stack representing the current nesting
- * of chunks in the open IFF file. Each context node has associated
- * local context items in the (private) LocalItems list. The ID, type,
- * size and scan values describe the chunk associated with this node.
- }
- pContextNode = ^tContextNode;
- tContextNode = record
- cn_Node : tMinNode;
- cn_ID,
- cn_Type,
- cn_Size, { Size of this chunk }
- cn_Scan : Longint; { # of bytes read/written so far }
- { There are private fields hiding here. }
- END;
-
- {
- * Local context items live in the ContextNode's. Each class is identified
- * by its lci_Ident code and has a (private) purge vector for when the
- * parent context node is popped.
- }
- pLocalContextItem = ^tLocalContextItem;
- tLocalContextItem = record
- lci_Node : tMinNode;
- lci_ID,
- lci_Type,
- lci_Ident : ULONG;
- { There are private fields hiding here. }
- END;
-
- {
- * StoredProperty: a local context item containing the data stored
- * from a previously encountered property chunk.
- }
- pStoredProperty = ^tStoredProperty;
- tStoredProperty = Record
- sp_Size : Longint;
- sp_Data : Pointer;
- END;
-
- {
- * Collection Item: the actual node in the collection list at which
- * client will look. The next pointers cross context boundaries so
- * that the complete list is accessable.
- }
- pCollectionItem = ^tCollectionItem;
- tCollectionItem = record
- ci_Next : pCollectionItem;
- ci_Size : Longint;
- ci_Data : Pointer;
- END;
-
- {
- * Structure returned by OpenClipboard(). You may do CMD_POSTs and such
- * using this structure. However, once you call OpenIFF(), you may not
- * do any more of your own I/O to the clipboard until you call CloseIFF().
- }
- pClipboardHandle = ^tClipBoardHandle;
- tClipboardHandle = record
- cbh_Req : tIOClipReq;
- cbh_CBport,
- cbh_SatisfyPort : tMsgPort;
- END;
-
- {
- * IFF return codes. Most functions return either zero for success or
- * one of these codes. The exceptions are the read/write functions which
- * return positive values for number of bytes or records read or written,
- * or a negative error code. Some of these codes are not errors per sae,
- * but valid conditions such as EOF or EOC (End of Chunk).
- }
- CONST
- IFFERR_EOF = -1 ; { Reached logical END of file }
- IFFERR_EOC = -2 ; { About to leave context }
- IFFERR_NOSCOPE = -3 ; { No valid scope for property }
- IFFERR_NOMEM = -4 ; { Internal memory alloc failed}
- IFFERR_READ = -5 ; { Stream read error }
- IFFERR_WRITE = -6 ; { Stream write error }
- IFFERR_SEEK = -7 ; { Stream seek error }
- IFFERR_MANGLED = -8 ; { Data in file is corrupt }
- IFFERR_SYNTAX = -9 ; { IFF syntax error }
- IFFERR_NOTIFF = -10; { Not an IFF file }
- IFFERR_NOHOOK = -11; { No call-back hook provided }
- IFF_RETURN2CLIENT = -12; { Client handler normal return}
-
- {
- MAKE_ID(a,b,c,d) \
- ((ULONG) (a)<<24 | (ULONG) (b)<<16 | (ULONG) (c)<<8 | (ULONG) (d))
- }
- {
- * Universal IFF identifiers.
- }
- ID_FORM = 1179603533;
- ID_LIST = 1279873876;
- ID_CAT = 1128354848;
- ID_PROP = 1347571536;
- ID_NULL = 538976288;
-
- {
- * Ident codes for universally recognized local context items.
- }
- IFFLCI_PROP = 1886547824;
- IFFLCI_COLLECTION = 1668246636;
- IFFLCI_ENTRYHANDLER = 1701734500;
- IFFLCI_EXITHANDLER = 1702389860;
-
-
- {
- * Control modes for ParseIFF() function.
- }
- IFFPARSE_SCAN = 0;
- IFFPARSE_STEP = 1;
- IFFPARSE_RAWSTEP = 2;
-
- {
- * Control modes for StoreLocalItem().
- }
- IFFSLI_ROOT = 1; { Store in default context }
- IFFSLI_TOP = 2; { Store in current context }
- IFFSLI_PROP = 3; { Store in topmost FORM OR LIST }
-
- {
- * "Flag" for writing functions. If you pass this value in as a size
- * to PushChunk() when writing a file, the parser will figure out the
- * size of the chunk for you. (Chunk sizes >= 2**31 are forbidden by the
- * IFF specification, so this works.)
- }
- IFFSIZE_UNKNOWN = -1;
-
- {
- * Possible call-back command values. (Using 0 as the value for IFFCMD_INIT
- * was, in retrospect, probably a bad idea.)
- }
- IFFCMD_INIT = 0; { Prepare the stream for a session }
- IFFCMD_CLEANUP = 1; { Terminate stream session }
- IFFCMD_READ = 2; { Read bytes from stream }
- IFFCMD_WRITE = 3; { Write bytes to stream }
- IFFCMD_SEEK = 4; { Seek on stream }
- IFFCMD_ENTRY = 5; { You just entered a new context }
- IFFCMD_EXIT = 6; { You're about to leave a context }
- IFFCMD_PURGELCI= 7; { Purge a LocalContextItem }
-
- { Backward compatibility. Don't use these in new code. }
- IFFSCC_INIT = IFFCMD_INIT;
- IFFSCC_CLEANUP = IFFCMD_CLEANUP;
- IFFSCC_READ = IFFCMD_READ;
- IFFSCC_WRITE = IFFCMD_WRITE;
- IFFSCC_SEEK = IFFCMD_SEEK;
-
- VAR IFFParseBase : pLibrary;
-
- FUNCTION AllocIFF : pIFFHandle;
- FUNCTION AllocLocalItem(typ : LONGINT; id : LONGINT; ident : LONGINT; dataSize : LONGINT) : pLocalContextItem;
- PROCEDURE CloseClipboard(clipHandle : pClipboardHandle);
- PROCEDURE CloseIFF(iff : pIFFHandle);
- FUNCTION CollectionChunk(iff : pIFFHandle; typ : LONGINT; id : LONGINT) : LONGINT;
- FUNCTION CollectionChunks(iff : pIFFHandle; propArray : LONGINT; numPairs : LONGINT) : LONGINT;
- FUNCTION CurrentChunk(iff : pIFFHandle) : pContextNode;
- FUNCTION EntryHandler(iff : pIFFHandle; typ : LONGINT; id : LONGINT; position : LONGINT; handler : pHook; obj : POINTER) : LONGINT;
- FUNCTION ExitHandler(iff : pIFFHandle; typ : LONGINT; id : LONGINT; position : LONGINT; handler : pHook; obj : POINTER) : LONGINT;
- FUNCTION FindCollection(iff : pIFFHandle; typ : LONGINT; id : LONGINT) : pCollectionItem;
- FUNCTION FindLocalItem(iff : pIFFHandle; typ : LONGINT; id : LONGINT; ident : LONGINT) : pLocalContextItem;
- FUNCTION FindProp(iff : pIFFHandle; typ : LONGINT; id : LONGINT) : pStoredProperty;
- FUNCTION FindPropContext(iff : pIFFHandle) : pContextNode;
- PROCEDURE FreeIFF(iff : pIFFHandle);
- PROCEDURE FreeLocalItem(localItem : pLocalContextItem);
- FUNCTION GoodID(id : LONGINT) : LONGINT;
- FUNCTION GoodType(typ : LONGINT) : LONGINT;
- FUNCTION IDtoStr(id : LONGINT; buf : pCHAR) : pCHAR;
- PROCEDURE InitIFF(iff : pIFFHandle; flags : LONGINT; streamHook : pHook);
- PROCEDURE InitIFFasClip(iff : pIFFHandle);
- PROCEDURE InitIFFasDOS(iff : pIFFHandle);
- FUNCTION LocalItemData(localItem : pLocalContextItem) : POINTER;
- FUNCTION OpenClipboard(unitNumber : LONGINT) : pClipboardHandle;
- FUNCTION OpenIFF(iff : pIFFHandle; rwMode : LONGINT) : LONGINT;
- FUNCTION ParentChunk(contextNode : pContextNode) : pContextNode;
- FUNCTION ParseIFF(iff : pIFFHandle; control : LONGINT) : LONGINT;
- FUNCTION PopChunk(iff : pIFFHandle) : LONGINT;
- FUNCTION PropChunk(iff : pIFFHandle; typ : LONGINT; id : LONGINT) : LONGINT;
- FUNCTION PropChunks(iff : pIFFHandle; propArray : LONGINT; numPairs : LONGINT) : LONGINT;
- FUNCTION PushChunk(iff : pIFFHandle; typ : LONGINT; id : LONGINT; size : LONGINT) : LONGINT;
- FUNCTION ReadChunkBytes(iff : pIFFHandle; buf : POINTER; numBytes : LONGINT) : LONGINT;
- FUNCTION ReadChunkRecords(iff : pIFFHandle; buf : POINTER; bytesPerRecord : LONGINT; numRecords : LONGINT) : LONGINT;
- PROCEDURE SetLocalItemPurge(localItem : pLocalContextItem; purgeHook : pHook);
- FUNCTION StopChunk(iff : pIFFHandle; typ : LONGINT; id : LONGINT) : LONGINT;
- FUNCTION StopChunks(iff : pIFFHandle; propArray : LONGINT; numPairs : LONGINT) : LONGINT;
- FUNCTION StopOnExit(iff : pIFFHandle; typ : LONGINT; id : LONGINT) : LONGINT;
- PROCEDURE StoreItemInContext(iff : pIFFHandle; localItem : pLocalContextItem; contextNode : pContextNode);
- FUNCTION StoreLocalItem(iff : pIFFHandle; localItem : pLocalContextItem; position : LONGINT) : LONGINT;
- FUNCTION WriteChunkBytes(iff : pIFFHandle; buf : POINTER; numBytes : LONGINT) : LONGINT;
- FUNCTION WriteChunkRecords(iff : pIFFHandle; buf : POINTER; bytesPerRecord : LONGINT; numRecords : LONGINT) : LONGINT;
-
- IMPLEMENTATION
-
- FUNCTION AllocIFF : pIFFHandle;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L IFFParseBase,A6
- JSR -030(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION AllocLocalItem(typ : LONGINT; id : LONGINT; ident : LONGINT; dataSize : LONGINT) : pLocalContextItem;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVE.L typ,D0
- MOVE.L id,D1
- MOVE.L ident,D2
- MOVE.L dataSize,D3
- MOVEA.L IFFParseBase,A6
- JSR -186(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- PROCEDURE CloseClipboard(clipHandle : pClipboardHandle);
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L clipHandle,A0
- MOVEA.L IFFParseBase,A6
- JSR -252(A6)
- MOVEA.L (A7)+,A6
- END;
- END;
-
- PROCEDURE CloseIFF(iff : pIFFHandle);
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVEA.L IFFParseBase,A6
- JSR -048(A6)
- MOVEA.L (A7)+,A6
- END;
- END;
-
- FUNCTION CollectionChunk(iff : pIFFHandle; typ : LONGINT; id : LONGINT) : LONGINT;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVE.L typ,D0
- MOVE.L id,D1
- MOVEA.L IFFParseBase,A6
- JSR -138(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION CollectionChunks(iff : pIFFHandle; propArray : LONGINT; numPairs : LONGINT) : LONGINT;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVEA.L propArray,A1
- MOVE.L numPairs,D0
- MOVEA.L IFFParseBase,A6
- JSR -144(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION CurrentChunk(iff : pIFFHandle) : pContextNode;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVEA.L IFFParseBase,A6
- JSR -174(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION EntryHandler(iff : pIFFHandle; typ : LONGINT; id : LONGINT; position : LONGINT; handler : pHook; obj : POINTER) : LONGINT;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVE.L typ,D0
- MOVE.L id,D1
- MOVE.L position,D2
- MOVEA.L handler,A1
- MOVEA.L obj,A2
- MOVEA.L IFFParseBase,A6
- JSR -102(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION ExitHandler(iff : pIFFHandle; typ : LONGINT; id : LONGINT; position : LONGINT; handler : pHook; obj : POINTER) : LONGINT;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVE.L typ,D0
- MOVE.L id,D1
- MOVE.L position,D2
- MOVEA.L handler,A1
- MOVEA.L obj,A2
- MOVEA.L IFFParseBase,A6
- JSR -108(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION FindCollection(iff : pIFFHandle; typ : LONGINT; id : LONGINT) : pCollectionItem;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVE.L typ,D0
- MOVE.L id,D1
- MOVEA.L IFFParseBase,A6
- JSR -162(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION FindLocalItem(iff : pIFFHandle; typ : LONGINT; id : LONGINT; ident : LONGINT) : pLocalContextItem;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVE.L typ,D0
- MOVE.L id,D1
- MOVE.L ident,D2
- MOVEA.L IFFParseBase,A6
- JSR -210(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION FindProp(iff : pIFFHandle; typ : LONGINT; id : LONGINT) : pStoredProperty;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVE.L typ,D0
- MOVE.L id,D1
- MOVEA.L IFFParseBase,A6
- JSR -156(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION FindPropContext(iff : pIFFHandle) : pContextNode;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVEA.L IFFParseBase,A6
- JSR -168(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- PROCEDURE FreeIFF(iff : pIFFHandle);
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVEA.L IFFParseBase,A6
- JSR -054(A6)
- MOVEA.L (A7)+,A6
- END;
- END;
-
- PROCEDURE FreeLocalItem(localItem : pLocalContextItem);
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L localItem,A0
- MOVEA.L IFFParseBase,A6
- JSR -204(A6)
- MOVEA.L (A7)+,A6
- END;
- END;
-
- FUNCTION GoodID(id : LONGINT) : LONGINT;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVE.L id,D0
- MOVEA.L IFFParseBase,A6
- JSR -258(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION GoodType(typ : LONGINT) : LONGINT;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVE.L typ,D0
- MOVEA.L IFFParseBase,A6
- JSR -264(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION IDtoStr(id : LONGINT; buf : pCHAR) : pCHAR;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVE.L id,D0
- MOVEA.L buf,A0
- MOVEA.L IFFParseBase,A6
- JSR -270(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- PROCEDURE InitIFF(iff : pIFFHandle; flags : LONGINT; streamHook : pHook);
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVE.L flags,D0
- MOVEA.L streamHook,A1
- MOVEA.L IFFParseBase,A6
- JSR -228(A6)
- MOVEA.L (A7)+,A6
- END;
- END;
-
- PROCEDURE InitIFFasClip(iff : pIFFHandle);
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVEA.L IFFParseBase,A6
- JSR -240(A6)
- MOVEA.L (A7)+,A6
- END;
- END;
-
- PROCEDURE InitIFFasDOS(iff : pIFFHandle);
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVEA.L IFFParseBase,A6
- JSR -234(A6)
- MOVEA.L (A7)+,A6
- END;
- END;
-
- FUNCTION LocalItemData(localItem : pLocalContextItem) : POINTER;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L localItem,A0
- MOVEA.L IFFParseBase,A6
- JSR -192(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION OpenClipboard(unitNumber : LONGINT) : pClipboardHandle;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVE.L unitNumber,D0
- MOVEA.L IFFParseBase,A6
- JSR -246(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION OpenIFF(iff : pIFFHandle; rwMode : LONGINT) : LONGINT;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVE.L rwMode,D0
- MOVEA.L IFFParseBase,A6
- JSR -036(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION ParentChunk(contextNode : pContextNode) : pContextNode;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L contextNode,A0
- MOVEA.L IFFParseBase,A6
- JSR -180(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION ParseIFF(iff : pIFFHandle; control : LONGINT) : LONGINT;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVE.L control,D0
- MOVEA.L IFFParseBase,A6
- JSR -042(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION PopChunk(iff : pIFFHandle) : LONGINT;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVEA.L IFFParseBase,A6
- JSR -090(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION PropChunk(iff : pIFFHandle; typ : LONGINT; id : LONGINT) : LONGINT;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVE.L typ,D0
- MOVE.L id,D1
- MOVEA.L IFFParseBase,A6
- JSR -114(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION PropChunks(iff : pIFFHandle; propArray : LONGINT; numPairs : LONGINT) : LONGINT;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVEA.L propArray,A1
- MOVE.L numPairs,D0
- MOVEA.L IFFParseBase,A6
- JSR -120(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION PushChunk(iff : pIFFHandle; typ : LONGINT; id : LONGINT; size : LONGINT) : LONGINT;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVE.L typ,D0
- MOVE.L id,D1
- MOVE.L size,D2
- MOVEA.L IFFParseBase,A6
- JSR -084(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION ReadChunkBytes(iff : pIFFHandle; buf : POINTER; numBytes : LONGINT) : LONGINT;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVEA.L buf,A1
- MOVE.L numBytes,D0
- MOVEA.L IFFParseBase,A6
- JSR -060(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION ReadChunkRecords(iff : pIFFHandle; buf : POINTER; bytesPerRecord : LONGINT; numRecords : LONGINT) : LONGINT;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVEA.L buf,A1
- MOVE.L bytesPerRecord,D0
- MOVE.L numRecords,D1
- MOVEA.L IFFParseBase,A6
- JSR -072(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- PROCEDURE SetLocalItemPurge(localItem : pLocalContextItem; purgeHook : pHook);
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L localItem,A0
- MOVEA.L purgeHook,A1
- MOVEA.L IFFParseBase,A6
- JSR -198(A6)
- MOVEA.L (A7)+,A6
- END;
- END;
-
- FUNCTION StopChunk(iff : pIFFHandle; typ : LONGINT; id : LONGINT) : LONGINT;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVE.L typ,D0
- MOVE.L id,D1
- MOVEA.L IFFParseBase,A6
- JSR -126(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION StopChunks(iff : pIFFHandle; propArray : LONGINT; numPairs : LONGINT) : LONGINT;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVEA.L propArray,A1
- MOVE.L numPairs,D0
- MOVEA.L IFFParseBase,A6
- JSR -132(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION StopOnExit(iff : pIFFHandle; typ : LONGINT; id : LONGINT) : LONGINT;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVE.L typ,D0
- MOVE.L id,D1
- MOVEA.L IFFParseBase,A6
- JSR -150(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- PROCEDURE StoreItemInContext(iff : pIFFHandle; localItem : pLocalContextItem; contextNode : pContextNode);
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVEA.L localItem,A1
- MOVEA.L contextNode,A2
- MOVEA.L IFFParseBase,A6
- JSR -222(A6)
- MOVEA.L (A7)+,A6
- END;
- END;
-
- FUNCTION StoreLocalItem(iff : pIFFHandle; localItem : pLocalContextItem; position : LONGINT) : LONGINT;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVEA.L localItem,A1
- MOVE.L position,D0
- MOVEA.L IFFParseBase,A6
- JSR -216(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION WriteChunkBytes(iff : pIFFHandle; buf : POINTER; numBytes : LONGINT) : LONGINT;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVEA.L buf,A1
- MOVE.L numBytes,D0
- MOVEA.L IFFParseBase,A6
- JSR -066(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- FUNCTION WriteChunkRecords(iff : pIFFHandle; buf : POINTER; bytesPerRecord : LONGINT; numRecords : LONGINT) : LONGINT;
- BEGIN
- ASM
- MOVE.L A6,-(A7)
- MOVEA.L iff,A0
- MOVEA.L buf,A1
- MOVE.L bytesPerRecord,D0
- MOVE.L numRecords,D1
- MOVEA.L IFFParseBase,A6
- JSR -078(A6)
- MOVEA.L (A7)+,A6
- MOVE.L D0,@RESULT
- END;
- END;
-
- END. (* UNIT IFFPARSE *)
-
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