USHORT dmsUnpack(char *src, char *dest)
{
return Process_File(src, dest, 0, 0, 0);
}
int DMS_libLoad_DiskFile(HXCFLOPPYEMULATOR* floppycontext,FLOPPY * floppydisk,char * imgfile,void * parameters)
{
unsigned int filesize;
unsigned int i,j;
unsigned int file_offset;
unsigned short sectorsize;
unsigned char gap3len,skew,trackformat,interleave;
HXCFILE * fo;
unsigned char* flatimg;
int retxdms;
CYLINDER* currentcylinder;
floppycontext->hxc_printf(MSG_DEBUG,"DMS_libLoad_DiskFile %s",imgfile);
// ouverture et decompression du fichier dms
fo=HXC_fopen("","");
retxdms=Process_File(imgfile,fo, CMD_UNPACK, 0, 0, 0);
if(retxdms)
{
floppycontext->hxc_printf(MSG_ERROR,"XDMS: Error %d while reading the file!",retxdms);
HXC_fclose(fo);
return HXCFE_ACCESSERROR;
}
filesize=fo->buffersize;
flatimg=fo->buffer;
if(fo!=0)
{
sectorsize=512;
interleave=1;
gap3len=0;
skew=0;
trackformat=AMIGAFORMAT_DD;
floppydisk->floppySectorPerTrack=11;
floppydisk->floppyNumberOfSide=2;
floppydisk->floppyNumberOfTrack=(filesize/(512*2*11));
floppydisk->floppyBitRate=DEFAULT_AMIGA_BITRATE;
floppydisk->floppyiftype=AMIGA_DD_FLOPPYMODE;
floppydisk->tracks=(CYLINDER**)malloc(sizeof(CYLINDER*)*(floppydisk->floppyNumberOfTrack+4));
for(j=0;j<floppydisk->floppyNumberOfTrack;j++)
{
floppydisk->tracks[j]=allocCylinderEntry(DEFAULT_AMIGA_RPM,floppydisk->floppyNumberOfSide);
currentcylinder=floppydisk->tracks[j];
for(i=0;i<floppydisk->floppyNumberOfSide;i++)
{
file_offset=(sectorsize*(j*floppydisk->floppySectorPerTrack*floppydisk->floppyNumberOfSide))+
(sectorsize*(floppydisk->floppySectorPerTrack)*i);
currentcylinder->sides[i]=tg_generateTrack(&flatimg[file_offset],sectorsize,floppydisk->floppySectorPerTrack,(unsigned char)j,(unsigned char)i,0,interleave,(unsigned char)(((j<<1)|(i&1))*skew),floppydisk->floppyBitRate,currentcylinder->floppyRPM,trackformat,gap3len,0,2500,-11150);
}
}
// Add 4 empty tracks
for(j=floppydisk->floppyNumberOfTrack;j<(unsigned int)(floppydisk->floppyNumberOfTrack + 4);j++)
{
floppydisk->tracks[j]=allocCylinderEntry(DEFAULT_AMIGA_RPM,floppydisk->floppyNumberOfSide);
currentcylinder=floppydisk->tracks[j];
for(i=0;i<floppydisk->floppyNumberOfSide;i++)
{
currentcylinder->sides[i]=tg_generateTrack(&flatimg[file_offset],sectorsize,0,(unsigned char)j,(unsigned char)i,0,interleave,(unsigned char)(((j<<1)|(i&1))*skew),floppydisk->floppyBitRate,currentcylinder->floppyRPM,trackformat,gap3len,0,2500,-11150);
}
}
floppydisk->floppyNumberOfTrack += 4;
floppycontext->hxc_printf(MSG_INFO_1,"DMS Loader : tracks file successfully loaded and encoded!");
HXC_fclose(fo);
return HXCFE_NOERROR;
}
floppycontext->hxc_printf(MSG_ERROR,"DMS file access error!");
return HXCFE_ACCESSERROR;
}