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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
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