diff options
Diffstat (limited to 'src/lib/formats/trs_dsk.c')
-rw-r--r-- | src/lib/formats/trs_dsk.c | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/src/lib/formats/trs_dsk.c b/src/lib/formats/trs_dsk.c deleted file mode 100644 index 2bb87173167..00000000000 --- a/src/lib/formats/trs_dsk.c +++ /dev/null @@ -1,80 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Nathan Woods -#include <string.h> -#include <assert.h> -#include "trs_dsk.h" -#include "basicdsk.h" -#include "coco_dsk.h" - -/* ----------------------------------------------------------------------- - * JV1 (Jeff Vavasour 1) format - * - * Used by Jeff Vavasour's TRS-80 Emulators - * - * Very straight basic disk; 1 head, 10 sectors, 256 sector length - * ----------------------------------------------------------------------- */ - -#define TRS80_JV1_HEADS 1 -#define TRS80_JV1_SECTORS 10 -#define TRS80_JV1_SECTORLENGTH 256 -#define TRS80_JV1_FIRSTSECTORID 0 - -static FLOPPY_IDENTIFY( trs80_jv1_identify ) -{ - UINT64 size; - size = floppy_image_size(floppy); - *vote = (size % (TRS80_JV1_HEADS * TRS80_JV1_SECTORS * TRS80_JV1_SECTORLENGTH)) - ? 0 : 100; - return FLOPPY_ERROR_SUCCESS; -} - - -static UINT64 trs80_jv1_get_ddam(floppy_image_legacy *floppy, const struct basicdsk_geometry *geom, int track, int head, int sector) -{ - // directory track is protected - if ((track==17) && (head==0)) { - return ID_FLAG_DELETED_DATA; - } - return 0; -} - -static FLOPPY_CONSTRUCT( trs80_jv1_construct ) -{ - struct basicdsk_geometry geometry; - - memset(&geometry, 0, sizeof(geometry)); - geometry.heads = TRS80_JV1_HEADS; - geometry.sectors = TRS80_JV1_SECTORS; - geometry.first_sector_id = TRS80_JV1_FIRSTSECTORID; - geometry.sector_length = TRS80_JV1_SECTORLENGTH; - geometry.get_ddam = trs80_jv1_get_ddam; - - if (params) - { - /* create */ - geometry.tracks = option_resolution_lookup_int(params, PARAM_TRACKS); - } - else - { - /* load */ - geometry.tracks = (int) (floppy_image_size(floppy) / geometry.heads - / geometry.sectors / geometry.sector_length); - } - return basicdsk_construct(floppy, &geometry); -} - - - -/* ----------------------------------------------------------------------- */ - -LEGACY_FLOPPY_OPTIONS_START( trs80 ) - LEGACY_FLOPPY_OPTION( trs80_jv1, "dsk", "TRS-80 JV1 disk image", trs80_jv1_identify, trs80_jv1_construct, NULL, - TRACKS([35]-255)) - LEGACY_FLOPPY_OPTION( trs80_dmk, "dsk,dmk", "TRS-80 DMK disk image", coco_dmk_identify, coco_dmk_construct, NULL, - HEADS([1]-2) - TRACKS([35]-255) - SECTORS(1-[10]-18) - SECTOR_LENGTH(128/[256]/512/1024/2048/4096/8192) - INTERLEAVE(0-[6]-17) - FIRST_SECTOR_ID([0]-1)) -LEGACY_FLOPPY_OPTIONS_END |