diff --git a/0/linux/kernel/blk_drv/floppy.c b/0/linux/kernel/blk_drv/floppy.c
new file mode 100644
index 0000000..b1a7f3a
--- /dev/null
+++ b/0/linux/kernel/blk_drv/floppy.c
@@ -0,0 +1,463 @@
+/*
+ *  linux/kernel/floppy.c
+ *
+ *  (C) 1991  Linus Torvalds
+ */
+
+/*
+ * 02.12.91 - Changed to static variables to indicate need for reset
+ * and recalibrate. This makes some things easier (output_byte reset
+ * checking etc), and means less interrupt jumping in case of errors,
+ * so the code is hopefully easier to understand.
+ */
+
+/*
+ * This file is certainly a mess. I've tried my best to get it working,
+ * but I don't like programming floppies, and I have only one anyway.
+ * Urgel. I should check for more errors, and do more graceful error
+ * recovery. Seems there are problems with several drives. I've tried to
+ * correct them. No promises. 
+ */
+
+/*
+ * As with hd.c, all routines within this file can (and will) be called
+ * by interrupts, so extreme caution is needed. A hardware interrupt
+ * handler may not sleep, or a kernel panic will happen. Thus I cannot
+ * call "floppy-on" directly, but have to set a special timer interrupt
+ * etc.
+ *
+ * Also, I'm not certain this works on more than 1 floppy. Bugs may
+ * abund.
+ */
+
+#include <linux/sched.h>
+#include <linux/fs.h>
+#include <linux/kernel.h>
+#include <linux/fdreg.h>
+#include <asm/system.h>
+#include <asm/io.h>
+#include <asm/segment.h>
+
+#define MAJOR_NR 2
+#include "blk.h"
+
+static int recalibrate = 0;
+static int reset = 0;
+static int seek = 0;
+
+extern unsigned char current_DOR;
+
+#define immoutb_p(val,port) \
+__asm__("outb %0,%1\n\tjmp 1f\n1:\tjmp 1f\n1:"::"a" ((char) (val)),"i" (port))
+
+#define TYPE(x) ((x)>>2)
+#define DRIVE(x) ((x)&0x03)
+/*
+ * Note that MAX_ERRORS=8 doesn't imply that we retry every bad read
+ * max 8 times - some types of errors increase the errorcount by 2,
+ * so we might actually retry only 5-6 times before giving up.
+ */
+#define MAX_ERRORS 8
+
+/*
+ * globals used by 'result()'
+ */
+#define MAX_REPLIES 7
+static unsigned char reply_buffer[MAX_REPLIES];
+#define ST0 (reply_buffer[0])
+#define ST1 (reply_buffer[1])
+#define ST2 (reply_buffer[2])
+#define ST3 (reply_buffer[3])
+
+/*
+ * This struct defines the different floppy types. Unlike minix
+ * linux doesn't have a "search for right type"-type, as the code
+ * for that is convoluted and weird. I've got enough problems with
+ * this driver as it is.
+ *
+ * The 'stretch' tells if the tracks need to be boubled for some
+ * types (ie 360kB diskette in 1.2MB drive etc). Others should
+ * be self-explanatory.
+ */
+static struct floppy_struct {
+	unsigned int size, sect, head, track, stretch;
+	unsigned char gap,rate,spec1;
+} floppy_type[] = {
+	{    0, 0,0, 0,0,0x00,0x00,0x00 },	/* no testing */
+	{  720, 9,2,40,0,0x2A,0x02,0xDF },	/* 360kB PC diskettes */
+	{ 2400,15,2,80,0,0x1B,0x00,0xDF },	/* 1.2 MB AT-diskettes */
+	{  720, 9,2,40,1,0x2A,0x02,0xDF },	/* 360kB in 720kB drive */
+	{ 1440, 9,2,80,0,0x2A,0x02,0xDF },	/* 3.5" 720kB diskette */
+	{  720, 9,2,40,1,0x23,0x01,0xDF },	/* 360kB in 1.2MB drive */
+	{ 1440, 9,2,80,0,0x23,0x01,0xDF },	/* 720kB in 1.2MB drive */
+	{ 2880,18,2,80,0,0x1B,0x00,0xCF },	/* 1.44MB diskette */
+};
+/*
+ * Rate is 0 for 500kb/s, 2 for 300kbps, 1 for 250kbps
+ * Spec1 is 0xSH, where S is stepping rate (F=1ms, E=2ms, D=3ms etc),
+ * H is head unload time (1=16ms, 2=32ms, etc)
+ *
+ * Spec2 is (HLD<<1 | ND), where HLD is head load time (1=2ms, 2=4 ms etc)
+ * and ND is set means no DMA. Hardcoded to 6 (HLD=6ms, use DMA).
+ */
+
+extern void floppy_interrupt(void);
+extern char tmp_floppy_area[1024];
+
+/*
+ * These are global variables, as that's the easiest way to give
+ * information to interrupts. They are the data used for the current
+ * request.
+ */
+static int cur_spec1 = -1;
+static int cur_rate = -1;
+static struct floppy_struct * floppy = floppy_type;
+static unsigned char current_drive = 0;
+static unsigned char sector = 0;
+static unsigned char head = 0;
+static unsigned char track = 0;
+static unsigned char seek_track = 0;
+static unsigned char current_track = 255;
+static unsigned char command = 0;
+unsigned char selected = 0;
+struct task_struct * wait_on_floppy_select = NULL;
+
+void floppy_deselect(unsigned int nr)
+{
+	if (nr != (current_DOR & 3))
+		printk("floppy_deselect: drive not selected\n\r");
+	selected = 0;
+	wake_up(&wait_on_floppy_select);
+}
+
+/*
+ * floppy-change is never called from an interrupt, so we can relax a bit
+ * here, sleep etc. Note that floppy-on tries to set current_DOR to point
+ * to the desired drive, but it will probably not survive the sleep if
+ * several floppies are used at the same time: thus the loop.
+ */
+int floppy_change(unsigned int nr)
+{
+repeat:
+	floppy_on(nr);
+	while ((current_DOR & 3) != nr && selected)
+		interruptible_sleep_on(&wait_on_floppy_select);
+	if ((current_DOR & 3) != nr)
+		goto repeat;
+	if (inb(FD_DIR) & 0x80) {
+		floppy_off(nr);
+		return 1;
+	}
+	floppy_off(nr);
+	return 0;
+}
+
+#define copy_buffer(from,to) \
+__asm__("cld ; rep ; movsl" \
+	::"c" (BLOCK_SIZE/4),"S" ((long)(from)),"D" ((long)(to)) \
+	)
+
+static void setup_DMA(void)
+{
+	long addr = (long) CURRENT->buffer;
+
+	cli();
+	if (addr >= 0x100000) {
+		addr = (long) tmp_floppy_area;
+		if (command == FD_WRITE)
+			copy_buffer(CURRENT->buffer,tmp_floppy_area);
+	}
+/* mask DMA 2 */
+	immoutb_p(4|2,10);
+/* output command byte. I don't know why, but everyone (minix, */
+/* sanches & canton) output this twice, first to 12 then to 11 */
+ 	__asm__("outb %%al,$12\n\tjmp 1f\n1:\tjmp 1f\n1:\t"
+	"outb %%al,$11\n\tjmp 1f\n1:\tjmp 1f\n1:"::
+	"a" ((char) ((command == FD_READ)?DMA_READ:DMA_WRITE)));
+/* 8 low bits of addr */
+	immoutb_p(addr,4);
+	addr >>= 8;
+/* bits 8-15 of addr */
+	immoutb_p(addr,4);
+	addr >>= 8;
+/* bits 16-19 of addr */
+	immoutb_p(addr,0x81);
+/* low 8 bits of count-1 (1024-1=0x3ff) */
+	immoutb_p(0xff,5);
+/* high 8 bits of count-1 */
+	immoutb_p(3,5);
+/* activate DMA 2 */
+	immoutb_p(0|2,10);
+	sti();
+}
+
+static void output_byte(char byte)
+{
+	int counter;
+	unsigned char status;
+
+	if (reset)
+		return;
+	for(counter = 0 ; counter < 10000 ; counter++) {
+		status = inb_p(FD_STATUS) & (STATUS_READY | STATUS_DIR);
+		if (status == STATUS_READY) {
+			outb(byte,FD_DATA);
+			return;
+		}
+	}
+	reset = 1;
+	printk("Unable to send byte to FDC\n\r");
+}
+
+static int result(void)
+{
+	int i = 0, counter, status;
+
+	if (reset)
+		return -1;
+	for (counter = 0 ; counter < 10000 ; counter++) {
+		status = inb_p(FD_STATUS)&(STATUS_DIR|STATUS_READY|STATUS_BUSY);
+		if (status == STATUS_READY)
+			return i;
+		if (status == (STATUS_DIR|STATUS_READY|STATUS_BUSY)) {
+			if (i >= MAX_REPLIES)
+				break;
+			reply_buffer[i++] = inb_p(FD_DATA);
+		}
+	}
+	reset = 1;
+	printk("Getstatus times out\n\r");
+	return -1;
+}
+
+static void bad_flp_intr(void)
+{
+	CURRENT->errors++;
+	if (CURRENT->errors > MAX_ERRORS) {
+		floppy_deselect(current_drive);
+		end_request(0);
+	}
+	if (CURRENT->errors > MAX_ERRORS/2)
+		reset = 1;
+	else
+		recalibrate = 1;
+}	
+
+/*
+ * Ok, this interrupt is called after a DMA read/write has succeeded,
+ * so we check the results, and copy any buffers.
+ */
+static void rw_interrupt(void)
+{
+	if (result() != 7 || (ST0 & 0xf8) || (ST1 & 0xbf) || (ST2 & 0x73)) {
+		if (ST1 & 0x02) {
+			printk("Drive %d is write protected\n\r",current_drive);
+			floppy_deselect(current_drive);
+			end_request(0);
+		} else
+			bad_flp_intr();
+		do_fd_request();
+		return;
+	}
+	if (command == FD_READ && (unsigned long)(CURRENT->buffer) >= 0x100000)
+		copy_buffer(tmp_floppy_area,CURRENT->buffer);
+	floppy_deselect(current_drive);
+	end_request(1);
+	do_fd_request();
+}
+
+inline void setup_rw_floppy(void)
+{
+	setup_DMA();
+	do_floppy = rw_interrupt;
+	output_byte(command);
+	output_byte(head<<2 | current_drive);
+	output_byte(track);
+	output_byte(head);
+	output_byte(sector);
+	output_byte(2);		/* sector size = 512 */
+	output_byte(floppy->sect);
+	output_byte(floppy->gap);
+	output_byte(0xFF);	/* sector size (0xff when n!=0 ?) */
+	if (reset)
+		do_fd_request();
+}
+
+/*
+ * This is the routine called after every seek (or recalibrate) interrupt
+ * from the floppy controller. Note that the "unexpected interrupt" routine
+ * also does a recalibrate, but doesn't come here.
+ */
+static void seek_interrupt(void)
+{
+/* sense drive status */
+	output_byte(FD_SENSEI);
+	if (result() != 2 || (ST0 & 0xF8) != 0x20 || ST1 != seek_track) {
+		bad_flp_intr();
+		do_fd_request();
+		return;
+	}
+	current_track = ST1;
+	setup_rw_floppy();
+}
+
+/*
+ * This routine is called when everything should be correctly set up
+ * for the transfer (ie floppy motor is on and the correct floppy is
+ * selected).
+ */
+static void transfer(void)
+{
+	if (cur_spec1 != floppy->spec1) {
+		cur_spec1 = floppy->spec1;
+		output_byte(FD_SPECIFY);
+		output_byte(cur_spec1);		/* hut etc */
+		output_byte(6);			/* Head load time =6ms, DMA */
+	}
+	if (cur_rate != floppy->rate)
+		outb_p(cur_rate = floppy->rate,FD_DCR);
+	if (reset) {
+		do_fd_request();
+		return;
+	}
+	if (!seek) {
+		setup_rw_floppy();
+		return;
+	}
+	do_floppy = seek_interrupt;
+	if (seek_track) {
+		output_byte(FD_SEEK);
+		output_byte(head<<2 | current_drive);
+		output_byte(seek_track);
+	} else {
+		output_byte(FD_RECALIBRATE);
+		output_byte(head<<2 | current_drive);
+	}
+	if (reset)
+		do_fd_request();
+}
+
+/*
+ * Special case - used after a unexpected interrupt (or reset)
+ */
+static void recal_interrupt(void)
+{
+	output_byte(FD_SENSEI);
+	if (result()!=2 || (ST0 & 0xE0) == 0x60)
+		reset = 1;
+	else
+		recalibrate = 0;
+	do_fd_request();
+}
+
+void unexpected_floppy_interrupt(void)
+{
+	output_byte(FD_SENSEI);
+	if (result()!=2 || (ST0 & 0xE0) == 0x60)
+		reset = 1;
+	else
+		recalibrate = 1;
+}
+
+static void recalibrate_floppy(void)
+{
+	recalibrate = 0;
+	current_track = 0;
+	current_drive = 1;      /* by wyj, ?? */
+	do_floppy = recal_interrupt;
+	output_byte(FD_RECALIBRATE);
+	output_byte(head<<2 | current_drive);
+	if (reset)
+		do_fd_request();
+}
+
+static void reset_interrupt(void)
+{
+	output_byte(FD_SENSEI);
+	(void) result();
+	output_byte(FD_SPECIFY);
+	output_byte(cur_spec1);		/* hut etc */
+	output_byte(6);			/* Head load time =6ms, DMA */
+	do_fd_request();
+}
+
+/*
+ * reset is done by pulling bit 2 of DOR low for a while.
+ */
+static void reset_floppy(void)
+{
+	int i;
+
+	reset = 0;
+	cur_spec1 = -1;
+	cur_rate = -1;
+	recalibrate = 1;
+	printk("Reset-floppy called\n\r");
+	cli();
+	do_floppy = reset_interrupt;
+	outb_p(current_DOR & ~0x04,FD_DOR);
+	for (i=0 ; i<100 ; i++)
+		__asm__("nop");
+	outb(current_DOR,FD_DOR);
+	sti();
+}
+
+static void floppy_on_interrupt(void)
+{
+/* We cannot do a floppy-select, as that might sleep. We just force it */
+	selected = 1;
+	if (current_drive != (current_DOR & 3)) {
+		current_DOR &= 0xFC;
+		current_DOR |= current_drive;
+		outb(current_DOR,FD_DOR);
+		add_timer(2,&transfer);
+	} else
+		transfer();
+}
+
+void do_fd_request(void)
+{
+	unsigned int block;
+
+	seek = 0;
+	if (reset) {
+		reset_floppy();
+		return;
+	}
+	if (recalibrate) {
+		recalibrate_floppy();
+		return;
+	}
+	INIT_REQUEST;
+	floppy = (MINOR(CURRENT->dev)>>2) + floppy_type;
+	if (current_drive != CURRENT_DEV)
+		seek = 1;
+	current_drive = CURRENT_DEV;
+	block = CURRENT->sector;
+	if (block+2 > floppy->size) {
+		end_request(0);
+		goto repeat;
+	}
+	sector = block % floppy->sect;
+	block /= floppy->sect;
+	head = block % floppy->head;
+	track = block / floppy->head;
+	seek_track = track << floppy->stretch;
+	if (seek_track != current_track)
+		seek = 1;
+	sector++;
+	if (CURRENT->cmd == READ)
+		command = FD_READ;
+	else if (CURRENT->cmd == WRITE)
+		command = FD_WRITE;
+	else
+		panic("do_fd_request: unknown command");
+	add_timer(ticks_to_floppy_on(current_drive),&floppy_on_interrupt);
+}
+
+void floppy_init(void)
+{
+	blk_dev[MAJOR_NR].request_fn = DEVICE_REQUEST;
+	set_trap_gate(0x26,&floppy_interrupt);
+	outb(inb_p(0x21)&~0x40,0x21);
+}