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-rw-r--r--src/mess/includes/sg1000.h122
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diff --git a/src/mess/includes/sg1000.h b/src/mess/includes/sg1000.h
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+#ifndef __SG1000__
+#define __SG1000__
+
+#include "emu.h"
+#include "cpu/z80/z80.h"
+#include "imagedev/flopdrv.h"
+#include "imagedev/cartslot.h"
+#include "imagedev/cassette.h"
+#include "machine/ram.h"
+#include "imagedev/printer.h"
+#include "formats/basicdsk.h"
+#include "formats/sc3000_bit.h"
+#include "machine/ctronics.h"
+#include "machine/i8255.h"
+#include "machine/i8251.h"
+#include "machine/upd765.h"
+#include "video/tms9928a.h"
+#include "sound/sn76496.h"
+#include "crsshair.h"
+
+#define SCREEN_TAG "screen"
+#define Z80_TAG "z80"
+#define SN76489AN_TAG "sn76489an"
+#define UPD765_TAG "upd765"
+#define UPD8251_TAG "upd8251"
+#define UPD9255_TAG "upd9255"
+#define UPD9255_0_TAG "upd9255_0"
+#define UPD9255_1_TAG "upd9255_1"
+#define CENTRONICS_TAG "centronics"
+#define TMS9918A_TAG "tms9918a"
+
+#define IS_CARTRIDGE_TV_DRAW(ptr) \
+ (!strncmp("annakmn", (const char *)&ptr[0x13b3], 7))
+
+#define IS_CARTRIDGE_THE_CASTLE(ptr) \
+ (!strncmp("ASCII 1986", (const char *)&ptr[0x1cc3], 10))
+
+#define IS_CARTRIDGE_BASIC_LEVEL_III(ptr) \
+ (!strncmp("SC-3000 BASIC Level 3 ver 1.0", (const char *)&ptr[0x6a20], 29))
+
+#define IS_CARTRIDGE_MUSIC_EDITOR(ptr) \
+ (!strncmp("PIANO", (const char *)&ptr[0x0841], 5))
+
+INPUT_PORTS_EXTERN( sk1100 );
+extern const i8255_interface ( sc3000_ppi_intf );
+extern const cassette_interface sc3000_cassette_interface;
+
+class sg1000_state : public driver_device
+{
+public:
+ sg1000_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_maincpu(*this, Z80_TAG),
+ m_ram(*this, RAM_TAG)
+ { }
+
+ required_device<cpu_device> m_maincpu;
+ required_device<ram_device> m_ram;
+
+ virtual void machine_start();
+
+ void install_cartridge(UINT8 *ptr, int size);
+
+ DECLARE_WRITE8_MEMBER( tvdraw_axis_w );
+ DECLARE_READ8_MEMBER( tvdraw_status_r );
+ DECLARE_READ8_MEMBER( tvdraw_data_r );
+ DECLARE_READ8_MEMBER( joysel_r );
+ DECLARE_INPUT_CHANGED_MEMBER( trigger_nmi );
+
+ /* keyboard state */
+ UINT8 m_keylatch;
+
+ /* TV Draw state */
+ UINT8 m_tvdraw_data;
+};
+
+class sc3000_state : public sg1000_state
+{
+public:
+ sc3000_state(const machine_config &mconfig, device_type type, const char *tag)
+ : sg1000_state(mconfig, type, tag),
+ m_cassette(*this, CASSETTE_TAG)
+ { }
+
+ required_device<cassette_image_device> m_cassette;
+
+ virtual void machine_start();
+
+ void install_cartridge(UINT8 *ptr, int size);
+
+ DECLARE_READ8_MEMBER( ppi_pa_r );
+ DECLARE_READ8_MEMBER( ppi_pb_r );
+ DECLARE_WRITE8_MEMBER( ppi_pc_w );
+};
+
+class sf7000_state : public sc3000_state
+{
+public:
+ sf7000_state(const machine_config &mconfig, device_type type, const char *tag)
+ : sc3000_state(mconfig, type, tag),
+ m_fdc(*this, UPD765_TAG),
+ m_centronics(*this, CENTRONICS_TAG),
+ m_floppy0(*this, FLOPPY_0)
+ { }
+
+ required_device<device_t> m_fdc;
+ required_device<centronics_device> m_centronics;
+ required_device<device_t> m_floppy0;
+
+ virtual void machine_start();
+ virtual void machine_reset();
+
+ DECLARE_READ8_MEMBER( ppi_pa_r );
+ DECLARE_WRITE8_MEMBER( ppi_pc_w );
+ DECLARE_WRITE_LINE_MEMBER( fdc_intrq_w );
+
+ /* floppy state */
+ int m_fdc_irq;
+ int m_fdc_index;
+};
+
+#endif