diff options
Diffstat (limited to 'trunk/src/lib/formats/ami_dsk.c')
-rw-r--r-- | trunk/src/lib/formats/ami_dsk.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/trunk/src/lib/formats/ami_dsk.c b/trunk/src/lib/formats/ami_dsk.c new file mode 100644 index 00000000000..06669a964f9 --- /dev/null +++ b/trunk/src/lib/formats/ami_dsk.c @@ -0,0 +1,75 @@ +/********************************************************************* + + formats/ami_dsk.c + + Amiga disk images + +*********************************************************************/ + +#include "formats/ami_dsk.h" + +adf_format::adf_format(const char *name,const char *extensions,const char *description,const char *param_guidelines) : + floppy_image_format_t(name,extensions,description,param_guidelines) +{ +} + +int adf_format::identify(floppy_image *image) +{ + UINT64 size = image->image_size(); + if ((size == 901120) || (size == 1802240)) + { + return 100; + } + return 0; +} + +const floppy_image_format_t::desc_e adf_format::desc[] = { + { SECTOR_LOOP_START, 0, 10 }, + { MFM, 0x00, 2 }, + { RAW, 0x4489, 2 }, + { CRC_AMIGA_START, 1 }, + { MFMBITS, 0xf, 4 }, + { OFFSET_ID_O }, + { SECTOR_ID_O }, + { REMAIN_O, 11 }, + { MFMBITS, 0xf, 4 }, + { OFFSET_ID_E }, + { SECTOR_ID_E }, + { REMAIN_E, 11 }, + { MFM, 0x00, 16 }, + { CRC_END, 1 }, + { CRC, 1 }, + { CRC, 2 }, + { CRC_AMIGA_START, 2 }, + { SECTOR_DATA_O, -1 }, + { SECTOR_DATA_E, -1 }, + { CRC_END, 2 }, + { SECTOR_LOOP_END }, + { MFM, 0x00, 266 }, + { END } +}; + +bool adf_format::load(floppy_image *image) +{ + desc_s sectors[11]; + UINT8 sectdata[512*11]; + for(int i=0; i<11; i++) { + sectors[i].data = sectdata + 512*i; + sectors[i].size = 512; + } + + UINT8 *mfm = NULL; + image->set_meta_data(80,2,300,(UINT16)253360); + for(int track=0; track < 80; track++) { + for(int side=0; side < 2; side++) { + mfm = image->get_buffer(track,side); + image->set_track_size(track, side, 16384); + image->image_read(sectdata, (track*2 + side)*512*11, 512*11); + generate_track(desc, track, side, sectors, 11, 100000, mfm); + } + } + + return TRUE; +} + +const floppy_format_type FLOPPY_ADF_FORMAT = &floppy_image_format_creator<adf_format>; |