(MESS) victor9k: Floppy WIP. (nw)

src/lib/formats/victor9k_dsk.c

@@ -0,0 +1,103 @@
+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/*********************************************************************
+
+    formats/victor9k_dsk.c
+
+    Victor 9000 sector disk image format
+
+*********************************************************************/
+
+/*
+
+    Sector format
+    -------------
+
+    Header sync
+    Sector header (header ID, track ID, sector ID, and checksum)
+    Gap 1
+    Data Sync
+    Data field (data sync, data ID, data bytes, and checksum)
+    Gap 2
+
+    Track format
+    ------------
+
+    ZONE        LOWER HEAD  UPPER HEAD  SECTORS     ROTATIONAL
+    NUMBER      TRACKS      TRACKS      PER TRACK   PERIOD (MS)
+
+    0           0-3         unused      19          237.9
+    1           4-15        0-7         18          224.5
+    2           16-26       8-18        17          212.2
+    3           27-37       19-29       16          199.9
+    4           38-48       30-40       15          187.6
+    5           49-59       41-51       14          175.3
+    6           60-70       52-62       13          163.0
+    7           71-79       63-74       12          149.6
+    8           unused      75-79       11          144.0
+
+*/
+
+#include "emu.h"
+#include "formats/victor9k_dsk.h"
+
+victor9k_format::victor9k_format()
+{
+}
+
+const char *victor9k_format::name() const
+{
+    return "victor9k";
+}
+
+const char *victor9k_format::description() const
+{
+    return "Victor 9000 disk image";
+}
+
+const char *victor9k_format::extensions() const
+{
+    return "img";
+}
+
+int victor9k_format::identify(io_generic *io, UINT32 form_factor)
+{
+    return 0;
+}
+
+bool victor9k_format::load(io_generic *io, UINT32 form_factor, floppy_image *image)
+{
+    return false;
+}
+
+bool victor9k_format::supports_save() const
+{
+    return false;
+}
+
+const victor9k_format::format victor9k_format::formats[] = {
+    { //
+        floppy_image::FF_525, floppy_image::SSDD, 80, 1, 256
+    },
+    { //
+        floppy_image::FF_525, floppy_image::DSDD, 80, 2, 256
+    },
+    {}
+};
+
+const UINT32 victor9k_format::cell_size[] =
+{
+    0
+};
+
+const int victor9k_format::sectors_per_track[] =
+{
+    0
+};
+
+const int victor9k_format::speed_zone[] =
+{
+    0
+};
+
+const floppy_format_type FLOPPY_VICTOR_9000_FORMAT = &floppy_image_format_creator<victor9k_format>;

src/lib/formats/victor9k_dsk.h

@@ -0,0 +1,52 @@
+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/*********************************************************************
+
+    formats/victor9k_dsk.h
+
+    Victor 9000 sector disk image format
+
+*********************************************************************/
+
+#ifndef VICTOR9K_DSK_H_
+#define VICTOR9K_DSK_H_
+
+#include "flopimg.h"
+
+class victor9k_format : public floppy_image_format_t {
+public:
+	struct format {
+		UINT32 form_factor;      // See floppy_image for possible values
+		UINT32 variant;          // See floppy_image for possible values
+
+		UINT8 track_count;
+		UINT8 head_count;
+		UINT16 sector_base_size;
+	};
+
+	victor9k_format();
+
+	virtual const char *name() const;
+	virtual const char *description() const;
+	virtual const char *extensions() const;
+
+	virtual int identify(io_generic *io, UINT32 form_factor);
+	virtual bool load(io_generic *io, UINT32 form_factor, floppy_image *image);
+	virtual bool supports_save() const;
+
+protected:
+	static const format formats[];
+
+	static const UINT32 cell_size[];
+	static const int sectors_per_track[];
+	static const int speed_zone[];
+};
+
+extern const floppy_format_type FLOPPY_VICTOR_9000_FORMAT;
+
+
+FLOPPY_IDENTIFY( victor9k_dsk_identify );
+
+FLOPPY_CONSTRUCT( victor9k_dsk_construct );
+
+#endif

src/lib/lib.mak

@@ -215,6 +215,7 @@ FORMATSOBJS = \
 	$(LIBOBJ)/formats/tzx_cas.o     \
 	$(LIBOBJ)/formats/uef_cas.o     \
 	$(LIBOBJ)/formats/upd765_dsk.o  \
+	$(LIBOBJ)/formats/victor9k_dsk.o\
 	$(LIBOBJ)/formats/vg5k_cas.o    \
 	$(LIBOBJ)/formats/vt_cas.o      \
 	$(LIBOBJ)/formats/vt_dsk.o      \

src/mess/drivers/victor9k.c

@@ -9,36 +9,6 @@
 
 **********************************************************************/
 
-/*
-
-    Sector format
-    -------------
-
-    Header sync
-    Sector header (header ID, track ID, sector ID, and checksum)
-    Gap 1
-    Data Sync
-    Data field (data sync, data ID, data bytes, and checksum)
-    Gap 2
-
-    Track format
-    ------------
-
-    ZONE        LOWER HEAD  UPPER HEAD  SECTORS     ROTATIONAL
-    NUMBER      TRACKS      TRACKS      PER TRACK   PERIOD (MS)
-
-    0           0-3         unused      19          237.9
-    1           4-15        0-7         18          224.5
-    2           16-26       8-18        17          212.2
-    3           27-37       19-29       16          199.9
-    4           38-48       30-40       15          187.6
-    5           49-59       41-51       14          175.3
-    6           60-70       52-62       13          163.0
-    7           71-79       63-74       12          149.6
-    8           unused      75-79       11          144.0
-
-*/
-
 /*
 
     TODO:
@@ -837,6 +807,10 @@ static SLOT_INTERFACE_START( victor9k_floppies )
 	SLOT_INTERFACE( "525qd", FLOPPY_525_QD )
 SLOT_INTERFACE_END
 
+FLOPPY_FORMATS_MEMBER( victor9k_state::floppy_formats )
+	FLOPPY_VICTOR_9000_FORMAT
+FLOPPY_FORMATS_END
+
 
 //**************************************************************************
 //  MACHINE INITIALIZATION
@@ -972,8 +946,8 @@ static MACHINE_CONFIG_START( victor9k, victor9k_state )
 	MCFG_VIA6522_CB2_HANDLER(WRITELINE(victor9k_state, erase_w))
 	MCFG_VIA6522_IRQ_HANDLER(WRITELINE(victor9k_state, via6_irq_w))
 
-	MCFG_FLOPPY_DRIVE_ADD(I8048_TAG":0", victor9k_floppies, "525qd", floppy_image_device::default_floppy_formats)
+	MCFG_FLOPPY_DRIVE_ADD(I8048_TAG":0", victor9k_floppies, "525qd", victor9k_state::floppy_formats)
-	MCFG_FLOPPY_DRIVE_ADD(I8048_TAG":1", victor9k_floppies, "525qd", floppy_image_device::default_floppy_formats)
+	MCFG_FLOPPY_DRIVE_ADD(I8048_TAG":1", victor9k_floppies, "525qd", victor9k_state::floppy_formats)
 
 	MCFG_RS232_PORT_ADD(RS232_A_TAG, default_rs232_devices, NULL)
 	MCFG_RS232_RXD_HANDLER(DEVWRITELINE(UPD7201_TAG, z80dart_device, rxa_w))

src/mess/includes/victor9k.h

@@ -17,6 +17,7 @@
 #include "bus/rs232/rs232.h"
 #include "cpu/i86/i86.h"
 #include "cpu/mcs48/mcs48.h"
+#include "formats/victor9k_dsk.h"
 #include "imagedev/floppy.h"
 #include "machine/ram.h"
 #include "bus/centronics/ctronics.h"
@@ -164,6 +165,8 @@ public:
 	DECLARE_WRITE_LINE_MEMBER( ssda_irq_w );
 	MC6845_UPDATE_ROW( crtc_update_row );
 
+	DECLARE_FLOPPY_FORMATS( floppy_formats );
+
 	void ready0_cb(floppy_image_device *, int device);
 	int load0_cb(floppy_image_device *device);
 	void unload0_cb(floppy_image_device *device);