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-rw-r--r--trunk/src/emu/imagedev/floppy.c886
1 files changed, 886 insertions, 0 deletions
diff --git a/trunk/src/emu/imagedev/floppy.c b/trunk/src/emu/imagedev/floppy.c
new file mode 100644
index 00000000000..7c1e19a62b1
--- /dev/null
+++ b/trunk/src/emu/imagedev/floppy.c
@@ -0,0 +1,886 @@
+/*********************************************************************
+
+
+
+*********************************************************************/
+
+#include "emu.h"
+#include "zippath.h"
+#include "floppy.h"
+#include "formats/imageutl.h"
+#include "uiimage.h"
+
+// device type definition
+const device_type FLOPPY_CONNECTOR = &device_creator<floppy_connector>;
+const device_type FLOPPY_35_DD = &device_creator<floppy_35_dd>;
+const device_type FLOPPY_35_DD_NOSD = &device_creator<floppy_35_dd_nosd>;
+const device_type FLOPPY_35_HD = &device_creator<floppy_35_hd>;
+const device_type FLOPPY_35_ED = &device_creator<floppy_35_ed>;
+const device_type FLOPPY_525_DD = &device_creator<floppy_525_dd>;
+
+floppy_connector::floppy_connector(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ device_t(mconfig, FLOPPY_CONNECTOR, "Floppy drive connector abstraction", tag, owner, clock),
+ device_slot_interface(mconfig, *this)
+{
+}
+
+floppy_connector::~floppy_connector()
+{
+}
+
+void floppy_connector::set_formats(const floppy_format_type *_formats)
+{
+ formats = _formats;
+}
+
+void floppy_connector::device_start()
+{
+}
+
+void floppy_connector::device_config_complete()
+{
+ floppy_image_device *dev = dynamic_cast<floppy_image_device *>(get_card_device());
+ if(dev)
+ dev->set_formats(formats);
+}
+
+floppy_image_device *floppy_connector::get_device()
+{
+ return dynamic_cast<floppy_image_device *>(get_card_device());
+}
+
+//-------------------------------------------------
+// floppy_image_device - constructor
+//-------------------------------------------------
+
+floppy_image_device::floppy_image_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock)
+ : device_t(mconfig, type, name, tag, owner, clock),
+ device_image_interface(mconfig, *this),
+ device_slot_card_interface(mconfig, *this),
+ image(NULL)
+{
+ extension_list[0] = '\0';
+}
+
+//-------------------------------------------------
+// floppy_image_device - destructor
+//-------------------------------------------------
+
+floppy_image_device::~floppy_image_device()
+{
+}
+
+void floppy_image_device::setup_load_cb(load_cb cb)
+{
+ cur_load_cb = cb;
+}
+
+void floppy_image_device::setup_unload_cb(unload_cb cb)
+{
+ cur_unload_cb = cb;
+}
+
+void floppy_image_device::setup_index_pulse_cb(index_pulse_cb cb)
+{
+ cur_index_pulse_cb = cb;
+}
+
+void floppy_image_device::set_formats(const floppy_format_type *formats)
+{
+ image_device_format **formatptr;
+ image_device_format *format;
+ formatptr = &m_formatlist;
+ extension_list[0] = '\0';
+ fif_list = 0;
+ for(int cnt=0; formats[cnt]; cnt++)
+ {
+ // allocate a new format
+ floppy_image_format_t *fif = formats[cnt]();
+ if(!fif_list)
+ fif_list = fif;
+ else
+ fif_list->append(fif);
+
+ format = global_alloc_clear(image_device_format);
+ format->m_index = cnt;
+ format->m_name = fif->name();
+ format->m_description = fif->description();
+ format->m_extensions = fif->extensions();
+ format->m_optspec = "";
+
+ image_specify_extension( extension_list, 256, fif->extensions() );
+ // and append it to the list
+ *formatptr = format;
+ formatptr = &format->m_next;
+ }
+
+ // set brief and instance name
+ update_names();
+}
+
+floppy_image_format_t *floppy_image_device::get_formats() const
+{
+ return fif_list;
+}
+
+floppy_image_format_t *floppy_image_device::get_load_format() const
+{
+ return input_format;
+}
+
+void floppy_image_device::device_config_complete()
+{
+ update_names();
+}
+
+void floppy_image_device::set_rpm(float _rpm)
+{
+ if(rpm == _rpm)
+ return;
+
+ rpm = _rpm;
+ rev_time = attotime::from_double(60/rpm);
+}
+
+void floppy_image_device::setup_write(floppy_image_format_t *_output_format)
+{
+ output_format = _output_format;
+ commit_image();
+}
+
+void floppy_image_device::commit_image()
+{
+ image_dirty = false;
+ if(!output_format)
+ return;
+ io_generic io;
+ // Do _not_ remove this cast otherwise the pointer will be incorrect when used by the ioprocs.
+ io.file = (device_image_interface *)this;
+ io.procs = &image_ioprocs;
+ io.filler = 0xff;
+ output_format->save(&io, image);
+}
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void floppy_image_device::device_start()
+{
+ rpm = 0;
+ setup_characteristics();
+
+ idx = 0;
+
+ /* motor off */
+ mon = 1;
+ /* set write protect on */
+ wpt = 0;
+
+ cyl = 0;
+ ss = 1;
+ stp = 1;
+ dskchg = 0;
+ index_timer = timer_alloc(0);
+ image_dirty = false;
+}
+
+void floppy_image_device::device_reset()
+{
+ revolution_start_time = attotime::never;
+ revolution_count = 0;
+ mon = 1;
+}
+
+void floppy_image_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
+{
+ index_resync();
+}
+
+floppy_image_format_t *floppy_image_device::identify(astring filename) const
+{
+ FILE *fd;
+ fd = fopen(filename.cstr(), "r");
+ if(!fd)
+ return 0;
+
+ io_generic io;
+ io.file = fd;
+ io.procs = &stdio_ioprocs_noclose;
+ io.filler = 0xff;
+ int best = 0;
+ floppy_image_format_t *best_format = 0;
+ for(floppy_image_format_t *format = fif_list; format; format = format->next) {
+ int score = format->identify(&io, form_factor);
+ if(score > best) {
+ best = score;
+ best_format = format;
+ }
+ }
+ fclose(fd);
+ return best_format;
+}
+
+bool floppy_image_device::call_load()
+{
+ io_generic io;
+ // Do _not_ remove this cast otherwise the pointer will be incorrect when used by the ioprocs.
+ io.file = (device_image_interface *)this;
+ io.procs = &image_ioprocs;
+ io.filler = 0xff;
+ int best = 0;
+ floppy_image_format_t *best_format = 0;
+ for(floppy_image_format_t *format = fif_list; format; format = format->next) {
+ int score = format->identify(&io, form_factor);
+ if(score > best) {
+ best = score;
+ best_format = format;
+ }
+ }
+
+ if(!best_format)
+ return IMAGE_INIT_FAIL;
+
+ image = global_alloc(floppy_image(tracks, sides, form_factor));
+ best_format->load(&io, form_factor, image);
+
+ revolution_start_time = attotime::never;
+ revolution_count = 0;
+
+ index_resync();
+ image_dirty = false;
+ output_format = 0;
+
+ if (!cur_load_cb.isnull())
+ return cur_load_cb(this);
+ return IMAGE_INIT_PASS;
+}
+
+void floppy_image_device::call_unload()
+{
+ dskchg = 0;
+
+ if (image) {
+ if(image_dirty)
+ commit_image();
+ global_free(image);
+ image = 0;
+ }
+ if (!cur_unload_cb.isnull())
+ cur_unload_cb(this);
+}
+
+bool floppy_image_device::call_create(int format_type, option_resolution *format_options)
+{
+ image = global_alloc(floppy_image(tracks, sides, form_factor));
+ output_format = 0;
+ return IMAGE_INIT_PASS;
+}
+
+/* motor on, active low */
+void floppy_image_device::mon_w(int state)
+{
+ if(mon == state)
+ return;
+
+ mon = state;
+
+ /* off -> on */
+ if (!mon && image)
+ {
+ revolution_start_time = machine().time();
+ index_resync();
+ }
+
+ /* on -> off */
+ else {
+ if(image_dirty)
+ commit_image();
+ revolution_start_time = attotime::never;
+ index_timer->adjust(attotime::zero);
+ }
+}
+
+attotime floppy_image_device::time_next_index()
+{
+ if(revolution_start_time.is_never())
+ return attotime::never;
+ return revolution_start_time + attotime::from_double(60/rpm);
+}
+
+/* index pulses at rpm/60 Hz, and stays high for ~2ms at 300rpm */
+void floppy_image_device::index_resync()
+{
+ if(revolution_start_time.is_never()) {
+ if(idx) {
+ idx = 0;
+ if (!cur_index_pulse_cb.isnull())
+ cur_index_pulse_cb(this, idx);
+ }
+ return;
+ }
+
+ attotime delta = machine().time() - revolution_start_time;
+ while(delta >= rev_time) {
+ delta -= rev_time;
+ revolution_start_time += rev_time;
+ revolution_count++;
+ }
+ int position = (delta*(rpm/300)).as_ticks(1000000000);
+
+ int new_idx = position <= 20000;
+
+ if(new_idx) {
+ attotime index_up_time = attotime::from_nsec(2000000*300.0/rpm+0.5);
+ index_timer->adjust(index_up_time - delta);
+ } else
+ index_timer->adjust(rev_time - delta);
+
+ if(new_idx != idx) {
+ idx = new_idx;
+ if (!cur_index_pulse_cb.isnull())
+ cur_index_pulse_cb(this, idx);
+ }
+}
+
+int floppy_image_device::ready_r()
+{
+ if (exists())
+ {
+ if (mon == 0)
+ {
+ return 0;
+ }
+ }
+ return 1;
+}
+
+double floppy_image_device::get_pos()
+{
+ return index_timer->elapsed().as_double();
+}
+
+void floppy_image_device::stp_w(int state)
+{
+ if ( stp != state ) {
+ stp = state;
+ if ( stp == 0 ) {
+ if ( dir ) {
+ if ( cyl ) cyl--;
+ } else {
+ if ( cyl < tracks-1 ) cyl++;
+ }
+
+ /* Update disk detection if applicable */
+ if (exists())
+ {
+ if (dskchg==0) dskchg = 1;
+ }
+ }
+ }
+}
+
+int floppy_image_device::find_index(UINT32 position, const UINT32 *buf, int buf_size)
+{
+ int spos = (buf_size >> 1)-1;
+ int step;
+ for(step=1; step<buf_size+1; step<<=1);
+ step >>= 1;
+
+ for(;;) {
+ if(spos >= buf_size || (spos > 0 && (buf[spos] & floppy_image::TIME_MASK) > position)) {
+ spos -= step;
+ step >>= 1;
+ } else if(spos < 0 || (spos < buf_size-1 && (buf[spos+1] & floppy_image::TIME_MASK) <= position)) {
+ spos += step;
+ step >>= 1;
+ } else
+ return spos;
+ }
+}
+
+UINT32 floppy_image_device::find_position(attotime &base, attotime when)
+{
+ base = revolution_start_time;
+ UINT32 revc = revolution_count;
+ attotime delta = when - base;
+
+ while(delta >= rev_time) {
+ delta -= rev_time;
+ base += rev_time;
+ revc++;
+ }
+
+ return (delta*(rpm/300)).as_ticks(1000000000);
+}
+
+attotime floppy_image_device::get_next_transition(attotime from_when)
+{
+ if(!image || mon)
+ return attotime::never;
+
+ int cells = image->get_track_size(cyl, ss);
+ if(cells <= 1)
+ return attotime::never;
+
+ attotime base;
+ UINT32 position = find_position(base, from_when);
+
+ const UINT32 *buf = image->get_buffer(cyl, ss);
+ int index = find_index(position, buf, cells);
+
+ if(index == -1)
+ return attotime::never;
+
+ UINT32 next_position;
+ if(index < cells-1)
+ next_position = buf[index+1] & floppy_image::TIME_MASK;
+ else if((buf[index]^buf[0]) & floppy_image::MG_MASK)
+ next_position = 200000000;
+ else
+ next_position = 200000000 + (buf[1] & floppy_image::TIME_MASK);
+
+
+ return base + attotime::from_nsec(next_position*(300/rpm));
+}
+
+void floppy_image_device::write_flux(attotime start, attotime end, int transition_count, const attotime *transitions)
+{
+ image_dirty = true;
+
+ attotime base;
+ int start_pos = find_position(base, start);
+ int end_pos = find_position(base, end);
+
+ int *trans_pos = transition_count ? global_alloc_array(int, transition_count) : 0;
+ for(int i=0; i != transition_count; i++)
+ trans_pos[i] = find_position(base, transitions[i]);
+
+ int cells = image->get_track_size(cyl, ss);
+ UINT32 *buf = image->get_buffer(cyl, ss);
+
+ int index;
+ if(cells)
+ index = find_index(start_pos, buf, cells);
+ else {
+ index = 0;
+ image->set_track_size(cyl, ss, 1);
+ buf = image->get_buffer(cyl, ss);
+ buf[cells++] = floppy_image::MG_N;
+ }
+
+ if(index && (buf[index] & floppy_image::TIME_MASK) == start_pos)
+ index--;
+
+ UINT32 cur_mg = buf[index] & floppy_image::MG_MASK;
+ if(cur_mg == floppy_image::MG_N || cur_mg == floppy_image::MG_D)
+ cur_mg = floppy_image::MG_A;
+
+ UINT32 pos = start_pos;
+ int ti = 0;
+ while(pos != end_pos) {
+ if(image->get_track_size(cyl, ss) < cells+10) {
+ image->set_track_size(cyl, ss, cells+200);
+ buf = image->get_buffer(cyl, ss);
+ }
+ UINT32 next_pos;
+ if(ti != transition_count)
+ next_pos = trans_pos[ti++];
+ else
+ next_pos = end_pos;
+ if(next_pos > pos)
+ write_zone(buf, cells, index, pos, next_pos, cur_mg);
+ else {
+ write_zone(buf, cells, index, pos, 200000000, cur_mg);
+ write_zone(buf, cells, index, 0, next_pos, cur_mg);
+ }
+ pos = next_pos;
+ cur_mg = cur_mg == floppy_image::MG_A ? floppy_image::MG_B : floppy_image::MG_A;
+ }
+
+ image->set_track_size(cyl, ss, cells);
+
+ if(trans_pos)
+ global_free(trans_pos);
+}
+
+void floppy_image_device::write_zone(UINT32 *buf, int &cells, int &index, UINT32 spos, UINT32 epos, UINT32 mg)
+{
+ while(spos < epos) {
+ while(index != cells-1 && (buf[index+1] & floppy_image::TIME_MASK) <= spos)
+ index++;
+
+ UINT32 ref_start = buf[index] & floppy_image::TIME_MASK;
+ UINT32 ref_end = index == cells-1 ? 200000000 : buf[index+1] & floppy_image::TIME_MASK;
+ UINT32 ref_mg = buf[index] & floppy_image::MG_MASK;
+
+ // Can't overwrite a damaged zone
+ if(ref_mg == floppy_image::MG_D) {
+ spos = ref_end;
+ continue;
+ }
+
+ // If the zone is of the type we want, we don't need to touch it
+ if(ref_mg == mg) {
+ spos = ref_end;
+ continue;
+ }
+
+ // Check the overlaps, act accordingly
+ if(spos == ref_start) {
+ if(epos >= ref_end) {
+ // Full overlap, that cell is dead, we need to see which ones we can extend
+ UINT32 prev_mg = index != 0 ? buf[index-1] & floppy_image::MG_MASK : ~0;
+ UINT32 next_mg = index != cells-1 ? buf[index+1] & floppy_image::MG_MASK : ~0;
+ if(prev_mg == mg) {
+ if(next_mg == mg) {
+ // Both match, merge all three in one
+ memmove(buf+index, buf+index+2, (cells-index-2)*sizeof(UINT32));
+ cells -= 2;
+ index--;
+
+ } else {
+ // Previous matches, drop the current cell
+ memmove(buf+index, buf+index+1, (cells-index-1)*sizeof(UINT32));
+ cells --;
+ }
+
+ } else {
+ if(next_mg == mg) {
+ // Following matches, extend it
+ memmove(buf+index, buf+index+1, (cells-index-1)*sizeof(UINT32));
+ cells --;
+ buf[index] = mg | spos;
+ } else {
+ // None match, convert the current cell
+ buf[index] = mg | spos;
+ index++;
+ }
+ }
+ spos = ref_end;
+
+ } else {
+ // Overlap at the start only
+ // Check if we can just extend the previous cell
+ if(index != 0 && (buf[index-1] & floppy_image::MG_MASK) == mg)
+ buf[index] = ref_mg | epos;
+ else {
+ // Otherwise we need to insert a new cell
+ if(index != cells-1)
+ memmove(buf+index+1, buf+index, (cells-index)*sizeof(UINT32));
+ cells++;
+ buf[index] = mg | spos;
+ buf[index+1] = ref_mg | epos;
+ }
+ spos = epos;
+ }
+
+ } else {
+ if(epos >= ref_end) {
+ // Overlap at the end only
+ // If we can't just extend the following cell, we need to insert a new one
+ if(index == cells-1 || (buf[index+1] & floppy_image::MG_MASK) != mg) {
+ if(index != cells-1)
+ memmove(buf+index+2, buf+index+1, (cells-index-1)*sizeof(UINT32));
+ cells++;
+ }
+ buf[index+1] = mg | spos;
+ index++;
+ spos = ref_end;
+
+ } else {
+ // Full inclusion
+ // We need to split the zone in 3
+ if(index != cells-1)
+ memmove(buf+index+3, buf+index+1, (cells-index-1)*sizeof(UINT32));
+ cells += 2;
+ buf[index+1] = mg | spos;
+ buf[index+2] = ref_mg | epos;
+ spos = epos;
+ }
+ }
+
+ }
+}
+
+UINT32 floppy_image_device::get_form_factor() const
+{
+ return form_factor;
+}
+
+UINT32 floppy_image_device::get_variant() const
+{
+ return image ? image->get_variant() : 0;
+}
+
+ui_menu *floppy_image_device::get_selection_menu(running_machine &machine, render_container *container)
+{
+ return auto_alloc_clear(machine, ui_menu_control_floppy_image(machine, container, this));
+}
+
+ui_menu_control_floppy_image::ui_menu_control_floppy_image(running_machine &machine, render_container *container, device_image_interface *_image) : ui_menu_control_device_image(machine, container, _image)
+{
+ floppy_image_device *fd = static_cast<floppy_image_device *>(image);
+ const floppy_image_format_t *fif_list = fd->get_formats();
+ int fcnt = 0;
+ for(const floppy_image_format_t *i = fif_list; i; i = i->next)
+ fcnt++;
+
+ format_array = global_alloc_array(floppy_image_format_t *, fcnt);
+ input_format = output_format = 0;
+ input_filename = output_filename = "";
+}
+
+ui_menu_control_floppy_image::~ui_menu_control_floppy_image()
+{
+ global_free(format_array);
+}
+
+void ui_menu_control_floppy_image::do_load_create()
+{
+ floppy_image_device *fd = static_cast<floppy_image_device *>(image);
+ if(input_filename == "") {
+ int err = fd->create(output_filename, 0, NULL);
+ if (err != 0) {
+ popmessage("Error: %s", fd->error());
+ return;
+ }
+ fd->setup_write(output_format);
+ } else {
+ int err = fd->load(input_filename);
+ if(!err && output_filename != "")
+ err = fd->reopen_for_write(output_filename);
+ if(err != 0) {
+ popmessage("Error: %s", fd->error());
+ return;
+ }
+ if(output_format)
+ fd->setup_write(output_format);
+ }
+}
+
+void ui_menu_control_floppy_image::hook_load(astring filename, bool softlist)
+{
+ input_filename = filename;
+ input_format = static_cast<floppy_image_device *>(image)->identify(filename);
+ if(!input_format) {
+ popmessage("Error: %s\n", image->error());
+ ui_menu::stack_pop(machine());
+ return;
+ }
+
+ bool can_in_place = input_format->supports_save();
+ if(can_in_place) {
+ file_error filerr = FILERR_NOT_FOUND;
+ astring tmp_path;
+ core_file *tmp_file;
+ /* attempt to open the file for writing but *without* create */
+ filerr = zippath_fopen(filename, OPEN_FLAG_READ|OPEN_FLAG_WRITE, tmp_file, tmp_path);
+ if(!filerr)
+ core_fclose(tmp_file);
+ else
+ can_in_place = false;
+ }
+ submenu_result = -1;
+ ui_menu::stack_push(auto_alloc_clear(machine(), ui_menu_select_rw(machine(), container, can_in_place, &submenu_result)));
+ state = SELECT_RW;
+}
+
+void ui_menu_control_floppy_image::handle()
+{
+ floppy_image_device *fd = static_cast<floppy_image_device *>(image);
+ switch(state) {
+ case DO_CREATE: {
+ floppy_image_format_t *fif_list = fd->get_formats();
+ int ext_match = 0, total_usable = 0;
+ for(floppy_image_format_t *i = fif_list; i; i = i->next) {
+ if(!i->supports_save())
+ continue;
+ if(i->extension_matches(current_file))
+ format_array[total_usable++] = i;
+ }
+ ext_match = total_usable;
+ for(floppy_image_format_t *i = fif_list; i; i = i->next) {
+ if(!i->supports_save())
+ continue;
+ if(!i->extension_matches(current_file))
+ format_array[total_usable++] = i;
+ }
+ submenu_result = -1;
+ ui_menu::stack_push(auto_alloc_clear(machine(), ui_menu_select_format(machine(), container, format_array, ext_match, total_usable, &submenu_result)));
+
+ state = SELECT_FORMAT;
+ break;
+ }
+
+ case SELECT_FORMAT:
+ if(submenu_result == -1) {
+ state = START_FILE;
+ handle();
+ } else {
+ zippath_combine(output_filename, current_directory, current_file);
+ output_format = format_array[submenu_result];
+ do_load_create();
+ ui_menu::stack_pop(machine());
+ }
+ break;
+
+ case SELECT_RW:
+ switch(submenu_result) {
+ case ui_menu_select_rw::READONLY:
+ do_load_create();
+ ui_menu::stack_pop(machine());
+ break;
+
+ case ui_menu_select_rw::READWRITE:
+ output_format = input_format;
+ do_load_create();
+ ui_menu::stack_pop(machine());
+ break;
+
+ case ui_menu_select_rw::WRITE_DIFF:
+ popmessage("Sorry, diffs are not supported yet\n");
+ ui_menu::stack_pop(machine());
+ break;
+
+ case ui_menu_select_rw::WRITE_OTHER:
+ ui_menu::stack_push(auto_alloc_clear(machine(), ui_menu_file_create(machine(), container, image, current_directory, current_file)));
+ state = CREATE_FILE;
+ break;
+
+ case -1:
+ ui_menu::stack_pop(machine());
+ break;
+ }
+ break;
+
+ default:
+ ui_menu_control_device_image::handle();
+ }
+}
+
+floppy_35_dd::floppy_35_dd(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ floppy_image_device(mconfig, FLOPPY_35_DD, "3.5\" double density floppy drive", tag, owner, clock)
+{
+}
+
+floppy_35_dd::~floppy_35_dd()
+{
+}
+
+void floppy_35_dd::setup_characteristics()
+{
+ form_factor = floppy_image::FF_35;
+ tracks = 84;
+ sides = 2;
+ set_rpm(300);
+}
+
+void floppy_35_dd::handled_variants(UINT32 *variants, int &var_count) const
+{
+ var_count = 0;
+ variants[var_count++] = floppy_image::SSSD;
+ variants[var_count++] = floppy_image::SSDD;
+ variants[var_count++] = floppy_image::DSDD;
+}
+
+floppy_35_dd_nosd::floppy_35_dd_nosd(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ floppy_image_device(mconfig, FLOPPY_35_DD_NOSD, "3.5\" double density floppy drive", tag, owner, clock)
+{
+}
+
+floppy_35_dd_nosd::~floppy_35_dd_nosd()
+{
+}
+
+void floppy_35_dd_nosd::setup_characteristics()
+{
+ form_factor = floppy_image::FF_35;
+ tracks = 84;
+ sides = 2;
+ set_rpm(300);
+}
+
+void floppy_35_dd_nosd::handled_variants(UINT32 *variants, int &var_count) const
+{
+ var_count = 0;
+ variants[var_count++] = floppy_image::SSSD;
+ variants[var_count++] = floppy_image::SSDD;
+}
+
+floppy_35_hd::floppy_35_hd(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ floppy_image_device(mconfig, FLOPPY_35_HD, "3.5\" high density floppy drive", tag, owner, clock)
+{
+}
+
+floppy_35_hd::~floppy_35_hd()
+{
+}
+
+void floppy_35_hd::setup_characteristics()
+{
+ form_factor = floppy_image::FF_35;
+ tracks = 84;
+ sides = 2;
+ set_rpm(300);
+}
+
+void floppy_35_hd::handled_variants(UINT32 *variants, int &var_count) const
+{
+ var_count = 0;
+ variants[var_count++] = floppy_image::SSSD;
+ variants[var_count++] = floppy_image::SSDD;
+ variants[var_count++] = floppy_image::DSDD;
+ variants[var_count++] = floppy_image::DSHD;
+}
+
+floppy_35_ed::floppy_35_ed(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ floppy_image_device(mconfig, FLOPPY_35_ED, "3.5\" extended density floppy drive", tag, owner, clock)
+{
+}
+
+floppy_35_ed::~floppy_35_ed()
+{
+}
+
+void floppy_35_ed::setup_characteristics()
+{
+ form_factor = floppy_image::FF_35;
+ tracks = 84;
+ sides = 2;
+ set_rpm(300);
+}
+
+void floppy_35_ed::handled_variants(UINT32 *variants, int &var_count) const
+{
+ var_count = 0;
+ variants[var_count++] = floppy_image::SSSD;
+ variants[var_count++] = floppy_image::SSDD;
+ variants[var_count++] = floppy_image::DSDD;
+ variants[var_count++] = floppy_image::DSHD;
+ variants[var_count++] = floppy_image::DSED;
+}
+
+floppy_525_dd::floppy_525_dd(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ floppy_image_device(mconfig, FLOPPY_525_DD, "5.25\" double density floppy drive", tag, owner, clock)
+{
+}
+
+floppy_525_dd::~floppy_525_dd()
+{
+}
+
+void floppy_525_dd::setup_characteristics()
+{
+ form_factor = floppy_image::FF_525;
+ tracks = 42;
+ sides = 1;
+ set_rpm(300);
+}
+
+void floppy_525_dd::handled_variants(UINT32 *variants, int &var_count) const
+{
+ var_count = 0;
+ variants[var_count++] = floppy_image::SSSD;
+ variants[var_count++] = floppy_image::SSDD;
+}