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-rw-r--r--include/floppy.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/include/floppy.h b/include/floppy.h
new file mode 100644
index 0000000..8d526ef
--- /dev/null
+++ b/include/floppy.h
@@ -0,0 +1,30 @@
+#define PORT_FLOPPY_DOR 0x03F2
+#define PORT_FLOPPY_TAPE_DRIVE 0x03F3
+#define PORT_FLOPPY_SELECT_DATA_RATE 0x03F4
+#define PORT_FLOPPY_STATUS 0x03F4
+#define PORT_FLOPPY_COMMAND_DATA 0x03F5
+#define PORT_FLOPPY_DIR 0x03F7
+
+#define FLOPPY_STATE_IDLE 0
+#define FLOPPY_STATE_RECALIBRATE 1
+#define FLOPPY_STATE_SEEK 2
+#define FLOPPY_STATE_READ 3
+
+
+struct floppy_request {
+ unsigned char command;
+ unsigned char drive;
+ unsigned char cylinder;
+ unsigned char head;
+ unsigned char sector;
+ unsigned char sector_count;
+ void *buffer;
+};
+
+
+static unsigned char floppy_drive_types[6][8] = {"none", "360 KB", "1.2 MB", "720 KB", "1.44 MB", "2.88 MB"};
+
+
+void init_floppy();
+int read_floppy_sectors(unsigned char drive, unsigned char cylinder, unsigned char head, unsigned char sector, unsigned char sector_count);
+void floppy_IRQ();