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-rw-r--r--src/lib/formats/abc1600_dsk.cpp79
1 files changed, 79 insertions, 0 deletions
diff --git a/src/lib/formats/abc1600_dsk.cpp b/src/lib/formats/abc1600_dsk.cpp
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index 00000000000..e4cde5374b1
--- /dev/null
+++ b/src/lib/formats/abc1600_dsk.cpp
@@ -0,0 +1,79 @@
+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/*********************************************************************
+
+ formats/abc1600_dsk.c
+
+ Luxor ABC 1600 disk image formats
+
+*********************************************************************/
+
+#include "formats/abc1600_dsk.h"
+
+abc1600_format::abc1600_format() : wd177x_format(formats)
+{
+}
+
+const char *abc1600_format::name() const
+{
+ return "abc1600";
+}
+
+const char *abc1600_format::description() const
+{
+ return "Luxor ABC 1600 disk image";
+}
+
+const char *abc1600_format::extensions() const
+{
+ return "img";
+}
+
+const abc1600_format::format abc1600_format::formats[] = {
+ // track description
+ // 55x4e 12x00 3xf5 fe 2x00 01 01 f7 22x4e 12x00 3xf5 fb 256xe5 f7
+ // 54x4e 12x00 3xf5 fe 2x00 02 01 f7 22x4e 12x00 3xf5 fb 256xe5 f7
+ // 54x4e 12x00 3xf5 fe 2x00 03 01 f7 22x4e 12x00 3xf5 fb 256xe5 f7
+ // 54x4e 12x00 3xf5 fe 2x00 04 01 f7 22x4e 12x00 3xf5 fb 256xe5 f7
+ // 54x4e 12x00 3xf5 fe 2x00 05 01 f7 22x4e 12x00 3xf5 fb 256xe5 f7
+ // 54x4e 12x00 3xf5 fe 2x00 06 01 f7 22x4e 12x00 3xf5 fb 256xe5 f7
+ // 54x4e 12x00 3xf5 fe 2x00 07 01 f7 22x4e 12x00 3xf5 fb 256xe5 f7
+ // 54x4e 12x00 3xf5 fe 2x00 08 01 f7 22x4e 12x00 3xf5 fb 256xe5 f7
+ // 54x4e 12x00 3xf5 fe 2x00 09 01 f7 22x4e 12x00 3xf5 fb 256xe5 f7
+ // 54x4e 12x00 3xf5 fe 2x00 0a 01 f7 22x4e 12x00 3xf5 fb 256xe5 f7
+ // 54x4e 12x00 3xf5 fe 2x00 0b 01 f7 22x4e 12x00 3xf5 fb 256xe5 f7
+ // 54x4e 12x00 3xf5 fe 2x00 0c 01 f7 22x4e 12x00 3xf5 fb 256xe5 f7
+ // 54x4e 12x00 3xf5 fe 2x00 0d 01 f7 22x4e 12x00 3xf5 fb 256xe5 f7
+ // 54x4e 12x00 3xf5 fe 2x00 0e 01 f7 22x4e 12x00 3xf5 fb 256xe5 f7
+ // 54x4e 12x00 3xf5 fe 2x00 0f 01 f7 22x4e 12x00 3xf5 fb 256xe5 f7
+ // 54x4e 12x00 3xf5 fe 2x00 10 01 f7 22x4e 12x00 3xf5 fb 256xe5 f7
+ // 298x4e
+
+ { // 640K 5 1/4 inch quad density
+ floppy_image::FF_525, floppy_image::DSQD, floppy_image::MFM,
+ 2000, 16, 80, 2, 256, {}, 1, {}, 55, 22, 54
+ },
+
+ {}
+};
+
+const floppy_format_type FLOPPY_ABC1600_FORMAT = &floppy_image_format_creator<abc1600_format>;
+
+int abc1600_format::get_image_offset(const format &f, int head, int track)
+{
+ int offset = 0;
+
+ if(head) {
+ for(int trk=0; trk < f.track_count; trk++) {
+ const format &tf = get_track_format(f, 0, trk);
+ offset += compute_track_size(tf);
+ }
+ }
+
+ for(int trk=0; trk < track; trk++) {
+ const format &tf = get_track_format(f, head, trk);
+ offset += compute_track_size(tf);
+ }
+
+ return offset;
+}