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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| /* | ||
| // | ||
| // Copyright (C) 2006-2023 Jean-François DEL NERO | ||
| // | ||
| // This file is part of the HxCFloppyEmulator library | ||
| // | ||
| // HxCFloppyEmulator may be used and distributed without restriction provided | ||
| // that this copyright statement is not removed from the file and that any | ||
| // derivative work contains the original copyright notice and the associated | ||
| // disclaimer. | ||
| // | ||
| // HxCFloppyEmulator is free software; you can redistribute it | ||
| // and/or modify it under the terms of the GNU General Public License | ||
| // as published by the Free Software Foundation; either version 2 | ||
| // of the License, or (at your option) any later version. | ||
| // | ||
| // HxCFloppyEmulator 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. | ||
| // See the GNU General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU General Public License | ||
| // along with HxCFloppyEmulator; if not, write to the Free Software | ||
| // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
| // | ||
| */ | ||
| #pragma pack(1) | ||
|
|
||
| typedef struct woz_fileheader_ | ||
| { | ||
| uint8_t headertag[3]; // "WOZ" | ||
| uint8_t version; // '1' or '2' | ||
| uint8_t pad; // 0xFF | ||
| uint8_t lfcrlf[3]; // 0x0A 0x0D 0x0A | ||
| uint32_t crc32; // crc32 of the remaining file content | ||
| }woz_fileheader; | ||
|
|
||
| #pragma pack() |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,210 @@ | ||
| /* | ||
| // | ||
| // Copyright (C) 2006-2023 Jean-François DEL NERO | ||
| // | ||
| // This file is part of the HxCFloppyEmulator library | ||
| // | ||
| // HxCFloppyEmulator may be used and distributed without restriction provided | ||
| // that this copyright statement is not removed from the file and that any | ||
| // derivative work contains the original copyright notice and the associated | ||
| // disclaimer. | ||
| // | ||
| // HxCFloppyEmulator is free software; you can redistribute it | ||
| // and/or modify it under the terms of the GNU General Public License | ||
| // as published by the Free Software Foundation; either version 2 | ||
| // of the License, or (at your option) any later version. | ||
| // | ||
| // HxCFloppyEmulator 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. | ||
| // See the GNU General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU General Public License | ||
| // along with HxCFloppyEmulator; if not, write to the Free Software | ||
| // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
| // | ||
| */ | ||
| /////////////////////////////////////////////////////////////////////////////////// | ||
| //-------------------------------------------------------------------------------// | ||
| //-------------------------------------------------------------------------------// | ||
| //-----------H----H--X----X-----CCCCC----22222----0000-----0000------11----------// | ||
| //----------H----H----X-X-----C--------------2---0----0---0----0--1--1-----------// | ||
| //---------HHHHHH-----X------C----------22222---0----0---0----0-----1------------// | ||
| //--------H----H----X--X----C----------2-------0----0---0----0-----1-------------// | ||
| //-------H----H---X-----X---CCCCC-----222222----0000-----0000----1111------------// | ||
| //-------------------------------------------------------------------------------// | ||
| //----------------------------------------------------- http://hxc2001.free.fr --// | ||
| /////////////////////////////////////////////////////////////////////////////////// | ||
| // File : woz_loader.c | ||
| // Contains: WOZ floppy image loader | ||
| // | ||
| // Written by: Jean-François DEL NERO | ||
| // | ||
| // Change History (most recent first): | ||
| /////////////////////////////////////////////////////////////////////////////////// | ||
|
|
||
| #include <string.h> | ||
| #include <stdlib.h> | ||
| #include <stdio.h> | ||
|
|
||
| #include "types.h" | ||
|
|
||
| #include "internal_libhxcfe.h" | ||
| #include "tracks/track_generator.h" | ||
| #include "libhxcfe.h" | ||
|
|
||
| #include "floppy_loader.h" | ||
| #include "floppy_utils.h" | ||
|
|
||
| #include "woz_loader.h" | ||
|
|
||
| #include "woz_format.h" | ||
|
|
||
| #include "libhxcadaptor.h" | ||
| #include "tracks/crc.h" | ||
| #include "tracks/std_crc32.h" | ||
|
|
||
| int WOZ_libIsValidDiskFile( HXCFE_IMGLDR * imgldr_ctx, HXCFE_IMGLDR_FILEINFOS * imgfile ) | ||
| { | ||
| woz_fileheader * fileheader; | ||
|
|
||
| imgldr_ctx->hxcfe->hxc_printf(MSG_DEBUG,"WOZ_libIsValidDiskFile"); | ||
|
|
||
| if(hxc_checkfileext(imgfile->path,"woz",SYS_PATH_TYPE)) | ||
| { | ||
| fileheader = (woz_fileheader*)imgfile->file_header; | ||
|
|
||
| if(!memcmp((char*)&fileheader->headertag,"WOZ", 3)) | ||
| { | ||
| if( fileheader->version != '1' && fileheader->version != '2' ) | ||
| { | ||
| imgldr_ctx->hxcfe->hxc_printf(MSG_DEBUG,"WOZ_libIsValidDiskFile : non WOZ file (bad header)!"); | ||
| return HXCFE_BADFILE; | ||
| } | ||
|
|
||
| if( fileheader->pad != 0xFF || | ||
| ( fileheader->lfcrlf[0] != 0xA || fileheader->lfcrlf[1] != 0xD || fileheader->lfcrlf[2] != 0xA ) | ||
| ) | ||
| { | ||
| imgldr_ctx->hxcfe->hxc_printf(MSG_DEBUG,"WOZ_libIsValidDiskFile : non WOZ file (bad header)!"); | ||
| return HXCFE_BADFILE; | ||
| } | ||
|
|
||
| imgldr_ctx->hxcfe->hxc_printf(MSG_DEBUG,"WOZ_libIsValidDiskFile : WOZ %d file !", fileheader->version - '0'); | ||
|
|
||
| return HXCFE_VALIDFILE; | ||
| } | ||
|
|
||
| imgldr_ctx->hxcfe->hxc_printf(MSG_DEBUG,"WOZ_libIsValidDiskFile : non WOZ file (bad header)!"); | ||
|
|
||
| return HXCFE_BADFILE; | ||
| } | ||
| else | ||
| { | ||
| imgldr_ctx->hxcfe->hxc_printf(MSG_DEBUG,"WOZ_libIsValidDiskFile : non WOZ file !"); | ||
| return HXCFE_BADFILE; | ||
| } | ||
| } | ||
|
|
||
| int WOZ_libLoad_DiskFile(HXCFE_IMGLDR * imgldr_ctx,HXCFE_FLOPPY * floppydisk,char * imgfile,void * parameters) | ||
| { | ||
| FILE * f; | ||
| woz_fileheader fileheader; | ||
| int filesize; | ||
| unsigned char * file_buffer; | ||
| uint32_t crc32; | ||
|
|
||
| imgldr_ctx->hxcfe->hxc_printf(MSG_DEBUG,"WOZ_libLoad_DiskFile %s",imgfile); | ||
|
|
||
| f = hxc_fopen(imgfile,"rb"); | ||
| if( f == NULL ) | ||
| { | ||
| imgldr_ctx->hxcfe->hxc_printf(MSG_ERROR,"Cannot open %s !",imgfile); | ||
| return HXCFE_ACCESSERROR; | ||
| } | ||
|
|
||
| memset( &fileheader, 0, sizeof(woz_fileheader) ); | ||
|
|
||
| hxc_fread( &fileheader, sizeof(woz_fileheader), f ); | ||
|
|
||
| if(memcmp((char*)&fileheader.headertag,"WOZ", 3)) | ||
| { | ||
| hxc_fclose(f); | ||
| return HXCFE_BADFILE; | ||
| } | ||
|
|
||
| if( fileheader.version != '1' && fileheader.version != '2' ) | ||
| { | ||
| hxc_fclose(f); | ||
| return HXCFE_BADFILE; | ||
| } | ||
|
|
||
| if( fileheader.pad != 0xFF || | ||
| ( fileheader.lfcrlf[0] != 0xA || fileheader.lfcrlf[1] != 0xD || fileheader.lfcrlf[2] != 0xA ) | ||
| ) | ||
| { | ||
| hxc_fclose(f); | ||
| return HXCFE_BADFILE; | ||
| } | ||
|
|
||
| filesize = hxc_fgetsize(f); | ||
| if( filesize <= sizeof(woz_fileheader) ) | ||
| { | ||
| hxc_fclose(f); | ||
| return HXCFE_BADFILE; | ||
| } | ||
|
|
||
| file_buffer = malloc(filesize); | ||
| if(!file_buffer) | ||
| { | ||
| hxc_fclose(f); | ||
| return HXCFE_INTERNALERROR; | ||
| } | ||
|
|
||
| memset(file_buffer,0,filesize); | ||
|
|
||
| fseek(f,0,SEEK_SET); | ||
|
|
||
| hxc_fread( file_buffer, filesize, f ); | ||
|
|
||
| hxc_fclose(f); | ||
|
|
||
| crc32 = std_crc32(0x00000000, &file_buffer[sizeof(woz_fileheader)], filesize - sizeof(woz_fileheader) ); | ||
|
|
||
| if(crc32 != fileheader.crc32) | ||
| { | ||
| imgldr_ctx->hxcfe->hxc_printf(MSG_ERROR,"BAD CRC32, Corrupted file !",imgfile); | ||
| free(file_buffer); | ||
| hxc_fclose(f); | ||
| return HXCFE_BADFILE; | ||
| } | ||
|
|
||
| free(file_buffer); | ||
|
|
||
| return HXCFE_INTERNALERROR; | ||
| } | ||
|
|
||
| int WOZ_libGetPluginInfo(HXCFE_IMGLDR * imgldr_ctx,uint32_t infotype,void * returnvalue) | ||
| { | ||
| static const char plug_id[]="APPLEII_WOZ"; | ||
| static const char plug_desc[]="Apple II WOZ Loader"; | ||
| static const char plug_ext[]="woz"; | ||
|
|
||
| plugins_ptr plug_funcs= | ||
| { | ||
| (ISVALIDDISKFILE) WOZ_libIsValidDiskFile, | ||
| (LOADDISKFILE) WOZ_libLoad_DiskFile, | ||
| (WRITEDISKFILE) NULL, | ||
| (GETPLUGININFOS) WOZ_libGetPluginInfo | ||
| }; | ||
|
|
||
| return libGetPluginInfo( | ||
| imgldr_ctx, | ||
| infotype, | ||
| returnvalue, | ||
| plug_id, | ||
| plug_desc, | ||
| &plug_funcs, | ||
| plug_ext | ||
| ); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| /* | ||
| // | ||
| // Copyright (C) 2006-2023 Jean-François DEL NERO | ||
| // | ||
| // This file is part of the HxCFloppyEmulator library | ||
| // | ||
| // HxCFloppyEmulator may be used and distributed without restriction provided | ||
| // that this copyright statement is not removed from the file and that any | ||
| // derivative work contains the original copyright notice and the associated | ||
| // disclaimer. | ||
| // | ||
| // HxCFloppyEmulator is free software; you can redistribute it | ||
| // and/or modify it under the terms of the GNU General Public License | ||
| // as published by the Free Software Foundation; either version 2 | ||
| // of the License, or (at your option) any later version. | ||
| // | ||
| // HxCFloppyEmulator 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. | ||
| // See the GNU General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU General Public License | ||
| // along with HxCFloppyEmulator; if not, write to the Free Software | ||
| // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
| // | ||
| */ | ||
|
|
||
| int WOZ_libGetPluginInfo(HXCFE_IMGLDR * imgldr_ctx,uint32_t infotype,void * returnvalue); |
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