/********************************************************************* formats/cpis_dsk.c Telenova Compis disk images *********************************************************************/ #include #include "formats/cpis_dsk.h" #include "formats/basicdsk.h" static int compis_get_tracks_and_sectors(floppy_image_legacy *floppy, int *tracks, int *sectors) { switch(floppy_image_size(floppy)) { case 0x50000: /* 320 KB */ *tracks = 40; *sectors = 8; break; case 0x5a000: /* 360 KB */ *tracks = 40; *sectors = 9; break; case 0xa0000: /* 640 KB */ *tracks = 80; *sectors = 8; break; case 0xb4000: /* 720 KB */ *tracks = 80; *sectors = 9; break; case 0x12c000: /* 1200 KB */ *tracks = 80; *sectors = 15; break; default: return 0; } return 1; } static FLOPPY_IDENTIFY(compis_dsk_identify) { int dummy; *vote = compis_get_tracks_and_sectors(floppy, &dummy, &dummy) ? 100 : 0; return FLOPPY_ERROR_SUCCESS; } static FLOPPY_CONSTRUCT(compis_dsk_construct) { struct basicdsk_geometry geometry; memset(&geometry, 0, sizeof(geometry)); geometry.heads = 1; geometry.first_sector_id = 1; geometry.sector_length = 512; if (params) { /* create */ geometry.tracks = option_resolution_lookup_int(params, PARAM_TRACKS); geometry.sectors = option_resolution_lookup_int(params, PARAM_SECTORS); } else { /* open */ if (!compis_get_tracks_and_sectors(floppy, &geometry.tracks, &geometry.sectors)) return FLOPPY_ERROR_INVALIDIMAGE; } return basicdsk_construct(floppy, &geometry); } /* ----------------------------------------------------------------------- */ LEGACY_FLOPPY_OPTIONS_START( compis ) LEGACY_FLOPPY_OPTION( compis_dsk, "dsk", "Compis floppy disk image", compis_dsk_identify, compis_dsk_construct, NULL, TRACKS(40/[80]) SECTORS(8/[9]/15)) LEGACY_FLOPPY_OPTIONS_END