mirror of
https://github.com/jfdelnero/HxCFloppyEmulator.git
synced 2026-07-27 19:56:23 +00:00
366 lines
9.1 KiB
C++
366 lines
9.1 KiB
C++
/*
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//
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// Copyright (C) 2006-2026 Jean-François DEL NERO
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//
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// This file is part of HxCFloppyEmulator.
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//
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// HxCFloppyEmulator may be used and distributed without restriction provided
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// that this copyright statement is not removed from the file and that any
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// derivative work contains the original copyright notice and the associated
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// disclaimer.
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//
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// HxCFloppyEmulator is free software; you can redistribute it
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// and/or modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// HxCFloppyEmulator is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with HxCFloppyEmulator; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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//
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*/
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///////////////////////////////////////////////////////////////////////////////////
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//-------------------------------------------------------------------------------//
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//-------------------------------------------------------------------------------//
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//-----------H----H--X----X-----CCCCC----22222----0000-----0000------11----------//
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//----------H----H----X-X-----C--------------2---0----0---0----0--1--1-----------//
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//---------HHHHHH-----X------C----------22222---0----0---0----0-----1------------//
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//--------H----H----X--X----C----------2-------0----0---0----0-----1-------------//
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//-------H----H---X-----X---CCCCC-----222222----0000-----0000----1111------------//
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//-------------------------------------------------------------------------------//
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//----------------------------------------------------- http://hxc2001.free.fr --//
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///////////////////////////////////////////////////////////////////////////////////
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// File : loader.cxx
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// Contains: image loader functions
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//
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// Written by: Jean-François DEL NERO
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//
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// Change History (most recent first):
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///////////////////////////////////////////////////////////////////////////////////
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include "fl_includes.h"
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#include "libhxcfe.h"
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#include "usb_hxcfloppyemulator.h"
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#include "libhxcadaptor.h"
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#include "soft_cfg_file.h"
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#include "fl_dnd_box.h"
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#include "main.h"
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#include "loader.h"
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extern s_gui_context * guicontext;
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extern const track_type track_type_list[];
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extern void sync_if_config();
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int load_floppy(HXCFE_FLOPPY * floppydisk,const char * defaultfilename)
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{
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HXCFE_IMGLDR * imgldr_ctx;
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int ret;
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imgldr_ctx = hxcfe_imgInitLoader(guicontext->hxcfe);
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if(imgldr_ctx)
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{
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hxcfe_imgUnload(imgldr_ctx,guicontext->loadedfloppy);
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hxcfe_imgDeInitLoader(imgldr_ctx);
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}
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guicontext->loadedfloppy=floppydisk;
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sync_if_config();
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ret=HXCFE_NOERROR;
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guicontext->loadstatus=ret;
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if(ret!=HXCFE_NOERROR || !guicontext->loadedfloppy)
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{
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guicontext->loadedfloppy=0;
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guicontext->bufferfilename[0]=0;
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}
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else
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{
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#if !defined(STANDALONEFSBROWSER) && !defined(HXC_STREAMER_MODE)
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libusbhxcfe_loadFloppy(guicontext->hxcfe,guicontext->usbhxcfe,guicontext->loadedfloppy);
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#endif
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strcpy(guicontext->bufferfilename,defaultfilename);
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}
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guicontext->updatefloppyinfos++;
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guicontext->updatefloppyfs++;
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return ret;
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}
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int progress_callback(unsigned int current,unsigned int total, void * user)
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{
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s_gui_context * guicontext;
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guicontext = (s_gui_context *)user;
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if(total)
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guicontext->loadingprogess = ((float)current / (float)total) * (float)100;
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else
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guicontext->loadingprogess = (float)100;
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return 0;
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}
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int load_floppy_image(char *filename)
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{
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int ret;
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int loaderid;
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HXCFE_IMGLDR * imgldr_ctx;
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ret=-1;
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imgldr_ctx = hxcfe_imgInitLoader(guicontext->hxcfe);
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if(imgldr_ctx)
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{
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guicontext->loadingprogess = 0;
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hxcfe_imgSetProgressCallback(imgldr_ctx,progress_callback,(void*)guicontext);
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hxcfe_imgUnload(imgldr_ctx,guicontext->loadedfloppy);
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guicontext->loadedfloppy=0;
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hxc_getfilenamebase(filename,guicontext->bufferfilename, SYS_PATH_TYPE);
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loaderid = hxcfe_imgAutoSetectLoader(imgldr_ctx,filename,0);
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if(loaderid>=0)
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guicontext->loadedfloppy = hxcfe_imgLoad(imgldr_ctx,filename,loaderid,&ret);
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guicontext->loadstatus=ret;
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if(ret!=HXCFE_NOERROR || !guicontext->loadedfloppy)
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{
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guicontext->loadedfloppy=0;
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guicontext->bufferfilename[0]=0;
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}
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else
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{
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sync_if_config();
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#if !defined(STANDALONEFSBROWSER) && !defined(HXC_STREAMER_MODE)
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libusbhxcfe_loadFloppy(guicontext->hxcfe,guicontext->usbhxcfe,guicontext->loadedfloppy);
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#endif
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if(filename)
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{
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hxc_getfilenamebase(filename,guicontext->bufferfilename, SYS_PATH_TYPE);
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}
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else
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{
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snprintf(guicontext->bufferfilename,sizeof(guicontext->bufferfilename),"Empty Floppy");
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}
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}
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guicontext->updatefloppyinfos++;
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hxcfe_imgDeInitLoader(imgldr_ctx);
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}
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return ret;
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}
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HXCFE_FLOPPY * loadrawimage(HXCFE* floppycontext,cfgrawfile * rfc,char * file,int * ret)
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{
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HXCFE_FLPGEN* fb;
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FILE * f;
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unsigned int i,j,k,nbside;
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unsigned char * trackbuffer;
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int sectornumber;
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int offset;
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HXCFE_FLOPPY * fp;
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*ret = HXCFE_ACCESSERROR;
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trackbuffer = NULL;
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f = NULL;
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fp = NULL;
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if(file)
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{
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f=hxc_fopen(file,"r+b");
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if(!f)
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{
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return NULL;
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}
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}
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if(f || file==NULL)
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{
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nbside=(rfc->sidecfg)&2?2:1;
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if(f)
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{
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trackbuffer=(unsigned char *)malloc((128<<rfc->sectorsize)*rfc->sectorpertrack);
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if(!trackbuffer)
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{
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hxc_fclose(f);
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return NULL;
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}
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}
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fb = hxcfe_initFloppy(floppycontext,rfc->numberoftrack,nbside);
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if(fb)
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{
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*ret = HXCFE_NOERROR;
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hxcfe_setTrackInterleave(fb,rfc->interleave);
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hxcfe_setSectorFill(fb,rfc->fillvalue);
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hxcfe_setTrackPreGap(fb, (unsigned short)rfc->pregap);
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if(rfc->autogap3)
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hxcfe_setSectorGap3(fb,255);
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else
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hxcfe_setSectorGap3(fb,(unsigned char)rfc->gap3);
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hxcfe_setTrackBitrate(fb,rfc->bitrate);
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for(i=0;i<rfc->numberoftrack;i++)
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{
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sectornumber=rfc->firstidsector;
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for(j=0;j<nbside;j++)
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{
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if(!rfc->intersidesectornumbering)
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sectornumber=rfc->firstidsector;
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// prepare a new track.
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if( ( rfc->sidecfg & SIDE_INVERTED ) && nbside==2)
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hxcfe_pushTrack(fb,rfc->rpm,i,1-j,track_type_list[rfc->tracktype].tracktype);
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else
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hxcfe_pushTrack(fb,rfc->rpm,i,j,track_type_list[rfc->tracktype].tracktype);
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// Set the skew
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if(rfc->sideskew)
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{
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hxcfe_setTrackSkew(fb,(unsigned char)(((i<<1)|(j&1))*rfc->skew) );
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}
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else
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{
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if(rfc->sectorpertrack)
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hxcfe_setTrackSkew(fb,((unsigned char)i*rfc->skew)%rfc->sectorpertrack);
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}
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if(f)
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{
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memset(trackbuffer,rfc->fillvalue,(128<<rfc->sectorsize)*rfc->sectorpertrack);
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if(rfc->sidecfg & SIDE0_FIRST )
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{
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offset = 0;
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if(j)
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{
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offset = (128<<rfc->sectorsize) * rfc->sectorpertrack * rfc->numberoftrack;
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}
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offset += (128<<rfc->sectorsize) * rfc->sectorpertrack * i;
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}
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else
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{
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offset = (128<<rfc->sectorsize) * rfc->sectorpertrack * i * nbside;
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offset += (128<<rfc->sectorsize) * rfc->sectorpertrack * j;
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}
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fseek(f,offset,SEEK_SET);
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if(!fread(trackbuffer,(128<<rfc->sectorsize)*rfc->sectorpertrack,1,f))
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{
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*ret = HXCFE_ACCESSERROR;
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}
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}
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// add all sectors
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for(k=0;k<rfc->sectorpertrack;k++)
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{
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if(f)
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hxcfe_addSector(fb,sectornumber,j,i,&trackbuffer[k*(128<<rfc->sectorsize)],128<<rfc->sectorsize);
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else
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hxcfe_addSector(fb,sectornumber,j,i,0,128<<rfc->sectorsize);
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sectornumber++;
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}
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// generate the track
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hxcfe_popTrack(fb);
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}
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}
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fp = hxcfe_getFloppy(fb);
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}
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if(f)
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{
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free(trackbuffer);
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hxc_fclose(f);
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}
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}
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return fp;
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}
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int loadrawfile(HXCFE* floppycontext,cfgrawfile * rfc,char * file)
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{
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int ret;
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HXCFE_FLOPPY * fp;
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HXCFE_IMGLDR * imgldr_ctx;
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fp = loadrawimage(floppycontext,rfc,file,&ret);
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if(fp)
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{
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if(guicontext->loadedfloppy)
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{
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imgldr_ctx = hxcfe_imgInitLoader(guicontext->hxcfe);
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if(imgldr_ctx)
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{
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hxcfe_imgUnload(imgldr_ctx,guicontext->loadedfloppy);
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hxcfe_imgDeInitLoader(imgldr_ctx);
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}
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}
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strcpy(guicontext->bufferfilename,"");
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guicontext->loadedfloppy = fp;
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sync_if_config();
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#if !defined(STANDALONEFSBROWSER) && !defined(HXC_STREAMER_MODE)
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libusbhxcfe_loadFloppy(guicontext->hxcfe,guicontext->usbhxcfe,guicontext->loadedfloppy);
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#endif
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if(guicontext->loadedfloppy)
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{
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guicontext->loadstatus = ret;
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if(file)
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strcpy(guicontext->bufferfilename,hxc_getfilenamebase(file,0,SYS_PATH_TYPE));
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else
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strcpy(guicontext->bufferfilename,"Empty Floppy");
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}
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}
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guicontext->updatefloppyinfos++;
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guicontext->updatefloppyfs++;
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return ret;
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}
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