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-rw-r--r--src/mame/includes/sg1000.h149
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diff --git a/src/mame/includes/sg1000.h b/src/mame/includes/sg1000.h
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+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+#ifndef __SG1000__
+#define __SG1000__
+
+#include "emu.h"
+#include "cpu/z80/z80.h"
+#include "formats/sc3000_bit.h"
+#include "formats/sf7000_dsk.h"
+#include "imagedev/cassette.h"
+#include "imagedev/printer.h"
+#include "bus/centronics/ctronics.h"
+#include "machine/i8255.h"
+#include "machine/i8251.h"
+#include "machine/ram.h"
+#include "bus/sega8/sega8_slot.h"
+#include "machine/upd765.h"
+#include "sound/sn76496.h"
+#include "video/tms9928a.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 RS232_TAG "rs232"
+#define CARTSLOT_TAG "slot"
+
+
+INPUT_PORTS_EXTERN( sk1100 );
+
+class sg1000_state : public driver_device
+{
+public:
+ enum
+ {
+ TIMER_LIGHTGUN_TICK
+ };
+
+ 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),
+ m_rom(*this, Z80_TAG),
+ m_cart(*this, CARTSLOT_TAG)
+ { }
+
+ required_device<cpu_device> m_maincpu;
+ required_device<ram_device> m_ram;
+ required_memory_region m_rom;
+ optional_device<sega8_cart_slot_device> m_cart;
+
+ virtual void machine_start();
+
+ DECLARE_READ8_MEMBER( joysel_r );
+ DECLARE_INPUT_CHANGED_MEMBER( trigger_nmi );
+
+ DECLARE_READ8_MEMBER( omv_r );
+ DECLARE_WRITE8_MEMBER( omv_w );
+
+ /* keyboard state */
+ UINT8 m_keylatch;
+
+ DECLARE_WRITE_LINE_MEMBER(sg1000_vdp_interrupt);
+};
+
+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"),
+ m_pa0(*this, "PA0"),
+ m_pa1(*this, "PA1"),
+ m_pa2(*this, "PA2"),
+ m_pa3(*this, "PA3"),
+ m_pa4(*this, "PA4"),
+ m_pa5(*this, "PA5"),
+ m_pa6(*this, "PA6"),
+ m_pa7(*this, "PA7"),
+ m_pb0(*this, "PB0"),
+ m_pb1(*this, "PB1"),
+ m_pb2(*this, "PB2"),
+ m_pb3(*this, "PB3"),
+ m_pb4(*this, "PB4"),
+ m_pb5(*this, "PB5"),
+ m_pb6(*this, "PB6"),
+ m_pb7(*this, "PB7")
+ { }
+
+ required_device<cassette_image_device> m_cassette;
+ required_ioport m_pa0;
+ required_ioport m_pa1;
+ required_ioport m_pa2;
+ required_ioport m_pa3;
+ required_ioport m_pa4;
+ required_ioport m_pa5;
+ required_ioport m_pa6;
+ required_ioport m_pa7;
+ required_ioport m_pb0;
+ required_ioport m_pb1;
+ required_ioport m_pb2;
+ required_ioport m_pb3;
+ required_ioport m_pb4;
+ required_ioport m_pb5;
+ required_ioport m_pb6;
+ required_ioport m_pb7;
+
+ virtual void machine_start();
+
+ DECLARE_READ8_MEMBER( ppi_pa_r );
+ DECLARE_READ8_MEMBER( ppi_pb_r );
+ DECLARE_WRITE8_MEMBER( ppi_pc_w );
+
+ ioport_port* m_key_row[16];
+};
+
+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, UPD765_TAG ":0:3ssdd")
+ { }
+
+ required_device<upd765a_device> m_fdc;
+ required_device<centronics_device> m_centronics;
+ required_device<floppy_image_device> m_floppy0;
+
+ virtual void machine_start();
+ virtual void machine_reset();
+
+ int m_centronics_busy;
+ DECLARE_WRITE_LINE_MEMBER( write_centronics_busy );
+ DECLARE_READ8_MEMBER( ppi_pa_r );
+ DECLARE_WRITE8_MEMBER( ppi_pc_w );
+
+ DECLARE_FLOPPY_FORMATS( floppy_formats );
+};
+
+#endif