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-rw-r--r--trunk/src/emu/imagedev/floppy.h245
1 files changed, 245 insertions, 0 deletions
diff --git a/trunk/src/emu/imagedev/floppy.h b/trunk/src/emu/imagedev/floppy.h
new file mode 100644
index 00000000000..4018e8a060f
--- /dev/null
+++ b/trunk/src/emu/imagedev/floppy.h
@@ -0,0 +1,245 @@
+/*********************************************************************
+
+ floppy.h
+
+*********************************************************************/
+
+#ifndef FLOPPY_H
+#define FLOPPY_H
+
+#include "formats/flopimg.h"
+
+#define MCFG_FLOPPY_DRIVE_ADD(_tag, _slot_intf, _def_slot, _def_inp, _formats) \
+ MCFG_DEVICE_ADD(_tag, FLOPPY_CONNECTOR, 0) \
+ MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, _def_inp) \
+ static_cast<floppy_connector *>(device)->set_formats(_formats);
+
+
+/***************************************************************************
+ TYPE DEFINITIONS
+***************************************************************************/
+
+class floppy_image_device : public device_t,
+ public device_image_interface,
+ public device_slot_card_interface
+{
+public:
+ typedef delegate<int (floppy_image_device *)> load_cb;
+ typedef delegate<void (floppy_image_device *)> unload_cb;
+ typedef delegate<void (floppy_image_device *, int)> index_pulse_cb;
+
+ // construction/destruction
+ floppy_image_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock);
+ virtual ~floppy_image_device();
+
+ virtual void handled_variants(UINT32 *variants, int &var_count) const = 0;
+
+ void set_formats(const floppy_format_type *formats);
+ floppy_image_format_t *get_formats() const;
+ floppy_image_format_t *get_load_format() const;
+ floppy_image_format_t *identify(astring filename) const;
+ void set_rpm(float rpm);
+
+ // image-level overrides
+ virtual bool call_load();
+ virtual void call_unload();
+ virtual bool call_create(int format_type, option_resolution *format_options);
+ virtual void call_display_info() {}
+ virtual bool call_softlist_load(char *swlist, char *swname, rom_entry *start_entry) { return load_software(swlist, swname, start_entry); }
+ virtual const char *image_interface() const = 0;
+ virtual iodevice_t image_type() const { return IO_FLOPPY; }
+
+ virtual bool is_readable() const { return true; }
+ virtual bool is_writeable() const { return true; }
+ virtual bool is_creatable() const { return true; }
+ virtual bool must_be_loaded() const { return false; }
+ virtual bool is_reset_on_load() const { return false; }
+ virtual const char *file_extensions() const { return extension_list; }
+ virtual const option_guide *create_option_guide() const { return NULL; }
+ void setup_write(floppy_image_format_t *output_format);
+
+ void setup_load_cb(load_cb cb);
+ void setup_unload_cb(unload_cb cb);
+ void setup_index_pulse_cb(index_pulse_cb cb);
+
+ UINT32* get_buffer() { return image->get_buffer(cyl, ss ^ 1); }
+ UINT32 get_len() { return image->get_track_size(cyl, ss ^ 1); }
+
+ void mon_w(int state);
+ int ready_r();
+ double get_pos();
+
+ int wpt_r() { return wpt; }
+ int dskchg_r() { return dskchg; }
+ bool trk00_r() { return cyl != 0; }
+ int idx_r() { return idx; }
+
+ void stp_w(int state);
+ void dir_w(int state) { dir = state; }
+ void ss_w(int state) { ss = state; }
+
+ void index_resync();
+ attotime time_next_index();
+ attotime get_next_transition(attotime from_when);
+ void write_flux(attotime start, attotime end, int transition_count, const attotime *transitions);
+ void set_write_splice(attotime when);
+ UINT32 get_form_factor() const;
+ UINT32 get_variant() const;
+
+ virtual ui_menu *get_selection_menu(running_machine &machine, class render_container *container);
+
+protected:
+ // device-level overrides
+ virtual void device_config_complete();
+ virtual void device_start();
+ virtual void device_reset();
+ virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
+
+ virtual void setup_characteristics() = 0;
+
+ image_device_format format;
+ floppy_image_format_t *input_format;
+ floppy_image_format_t *output_format;
+ floppy_image *image;
+ char extension_list[256];
+ floppy_image_format_t *fif_list;
+ emu_timer *index_timer;
+
+ /* Physical characteristics, filled by setup_characteristics */
+ int tracks; /* addressable tracks */
+ int sides; /* number of heads */
+ UINT32 form_factor; /* 3"5, 5"25, etc */
+
+ /* state of input lines */
+ int dir; /* direction */
+ int stp; /* step */
+ int wtg; /* write gate */
+ int mon; /* motor on */
+ int ss; /* side select */
+
+ /* state of output lines */
+ int idx; /* index pulse */
+ int wpt; /* write protect */
+ int rdy; /* ready */
+ int dskchg; /* disk changed */
+
+ /* rotation per minute => gives index pulse frequency */
+ float rpm;
+
+ attotime revolution_start_time, rev_time;
+ UINT32 revolution_count;
+ int cyl;
+
+ bool image_dirty;
+
+ load_cb cur_load_cb;
+ unload_cb cur_unload_cb;
+ index_pulse_cb cur_index_pulse_cb;
+
+ UINT32 find_position(attotime &base, attotime when);
+ int find_index(UINT32 position, const UINT32 *buf, int buf_size);
+ void write_zone(UINT32 *buf, int &cells, int &index, UINT32 spos, UINT32 epos, UINT32 mg);
+ void commit_image();
+};
+
+class ui_menu_control_floppy_image : public ui_menu_control_device_image {
+public:
+ ui_menu_control_floppy_image(running_machine &machine, render_container *container, device_image_interface *image);
+ virtual ~ui_menu_control_floppy_image();
+
+ virtual void handle();
+
+protected:
+ enum { SELECT_FORMAT = LAST_ID, SELECT_MEDIA, SELECT_RW };
+
+ floppy_image_format_t **format_array;
+ floppy_image_format_t *input_format, *output_format;
+ astring input_filename, output_filename;
+
+ void do_load_create();
+ virtual void hook_load(astring filename, bool softlist);
+};
+
+class floppy_35_dd : public floppy_image_device {
+public:
+ floppy_35_dd(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ virtual ~floppy_35_dd();
+ virtual void handled_variants(UINT32 *variants, int &var_count) const;
+ virtual void device_config_complete() { m_shortname = "floppy_35_dd"; }
+ virtual const char *image_interface() const { return "floppy_3_5"; }
+protected:
+ virtual void setup_characteristics();
+};
+
+class floppy_35_dd_nosd : public floppy_image_device {
+public:
+ floppy_35_dd_nosd(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ virtual ~floppy_35_dd_nosd();
+ virtual void handled_variants(UINT32 *variants, int &var_count) const;
+ virtual void device_config_complete() { m_shortname = "floppy_35_dd_nosd"; }
+ virtual const char *image_interface() const { return "floppy_3_5"; }
+protected:
+ virtual void setup_characteristics();
+};
+
+class floppy_35_hd : public floppy_image_device {
+public:
+ floppy_35_hd(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ virtual ~floppy_35_hd();
+ virtual void handled_variants(UINT32 *variants, int &var_count) const;
+ virtual void device_config_complete() { m_shortname = "floppy_35_hd"; }
+ virtual const char *image_interface() const { return "floppy_3_5"; }
+protected:
+ virtual void setup_characteristics();
+};
+
+class floppy_35_ed : public floppy_image_device {
+public:
+ floppy_35_ed(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ virtual ~floppy_35_ed();
+ virtual void handled_variants(UINT32 *variants, int &var_count) const;
+ virtual void device_config_complete() { m_shortname = "floppy_35_ed"; }
+ virtual const char *image_interface() const { return "floppy_3_5"; }
+protected:
+ virtual void setup_characteristics();
+};
+
+class floppy_525_dd : public floppy_image_device {
+public:
+ floppy_525_dd(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ virtual ~floppy_525_dd();
+ virtual void handled_variants(UINT32 *variants, int &var_count) const;
+ virtual void device_config_complete() { m_shortname = "floppy_525_dd"; }
+ virtual const char *image_interface() const { return "floppy_5_25"; }
+protected:
+ virtual void setup_characteristics();
+};
+
+class floppy_connector: public device_t,
+ public device_slot_interface
+{
+public:
+ floppy_connector(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ virtual ~floppy_connector();
+
+ void set_formats(const floppy_format_type *formats);
+ floppy_image_device *get_device();
+
+protected:
+ virtual void device_start();
+ virtual void device_config_complete();
+
+private:
+ const floppy_format_type *formats;
+};
+
+
+// device type definition
+extern const device_type FLOPPY_CONNECTOR;
+extern const device_type FLOPPY_35_DD;
+extern const device_type FLOPPY_35_DD_NOSD;
+extern const device_type FLOPPY_35_HD;
+extern const device_type FLOPPY_35_ED;
+extern const device_type FLOPPY_525_DD;
+
+#endif /* FLOPPY_H */