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-rw-r--r--src/lib/formats/pc98_dsk.cpp91
1 files changed, 91 insertions, 0 deletions
diff --git a/src/lib/formats/pc98_dsk.cpp b/src/lib/formats/pc98_dsk.cpp
new file mode 100644
index 00000000000..3d85a4380dd
--- /dev/null
+++ b/src/lib/formats/pc98_dsk.cpp
@@ -0,0 +1,91 @@
+// license:BSD-3-Clause
+// copyright-holders:Angelo Salese
+/*********************************************************************
+
+ formats/pc98_dsk.c
+
+ PC-98 disk images
+
+*********************************************************************/
+
+#include <string.h>
+#include <assert.h>
+
+#include "formats/pc98_dsk.h"
+
+
+/* ----------------------------------------------------------------------- */
+
+pc98_format::pc98_format() : upd765_format(formats)
+{
+}
+
+const char *pc98_format::name() const
+{
+ return "pc98";
+}
+
+const char *pc98_format::description() const
+{
+ return "PC-98 floppy disk image";
+}
+
+const char *pc98_format::extensions() const
+{
+ return "dsk,ima,img,ufi,360,hdm";
+}
+
+const pc98_format::format pc98_format::formats[] = {
+ { /* 160K 5 1/4 inch double density single sided */
+ floppy_image::FF_525, floppy_image::SSDD, floppy_image::MFM,
+ 2000, 8, 40, 1, 512, {}, 1, {}, 80, 50, 22, 80
+ },
+ { /* 320K 5 1/4 inch double density */
+ floppy_image::FF_525, floppy_image::DSDD, floppy_image::MFM,
+ 2000, 8, 40, 2, 512, {}, 1, {}, 80, 50, 22, 80
+ },
+ { /* 180K 5 1/4 inch double density single sided */
+ floppy_image::FF_525, floppy_image::SSDD, floppy_image::MFM,
+ 2000, 9, 40, 1, 512, {}, 1, {}, 80, 50, 22, 80
+ },
+ { /* 360K 5 1/4 inch double density */
+ floppy_image::FF_525, floppy_image::DSDD, floppy_image::MFM,
+ 2000, 9, 40, 2, 512, {}, 1, {}, 80, 50, 22, 80
+ },
+ { /* 400K 5 1/4 inch double density - gaps unverified */
+ floppy_image::FF_525, floppy_image::DSDD, floppy_image::MFM,
+ 2000, 10, 40, 2, 512, {}, 1, {}, 80, 50, 22, 80
+ },
+ { /* 720K 5 1/4 inch quad density - gaps unverified */
+ floppy_image::FF_525, floppy_image::DSQD, floppy_image::MFM,
+ 2000, 9, 80, 2, 512, {}, 1, {}, 80, 50, 22, 80
+ },
+ { /* 1200K 5 1/4 inch high density */
+ floppy_image::FF_525, floppy_image::DSHD, floppy_image::MFM,
+ 1200, 15, 80, 2, 512, {}, 1, {}, 80, 50, 22, 84
+ },
+ { /* 720K 3 1/2 inch double density */
+ floppy_image::FF_35, floppy_image::DSDD, floppy_image::MFM,
+ 2000, 9, 80, 2, 512, {}, 1, {}, 80, 50, 22, 80
+ },
+ { /* 1200K 3 1/2 inch high density (japanese variant) - gaps unverified */
+ floppy_image::FF_35, floppy_image::DSHD, floppy_image::MFM,
+ 1200, 15, 80, 2, 512, {}, 1, {}, 80, 50, 22, 84
+ },
+ { /* 1440K 3 1/2 inch high density */
+ floppy_image::FF_35, floppy_image::DSHD, floppy_image::MFM,
+ 1000, 18, 80, 2, 512, {}, 1, {}, 80, 50, 22, 108
+ },
+ { /* 2880K 3 1/2 inch extended density - gaps unverified */
+ floppy_image::FF_35, floppy_image::DSED, floppy_image::MFM,
+ 500, 36, 80, 2, 512, {}, 1, {}, 80, 50, 41, 80
+ },
+ {
+ floppy_image::FF_525, floppy_image::DSHD, floppy_image::MFM,
+ 1200, 8, 77, 2, 1024, {}, 1, {}, 80, 50, 22, 84
+ },
+ {}
+};
+
+
+const floppy_format_type FLOPPY_PC98_FORMAT = &floppy_image_format_creator<pc98_format>;