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+// license:GPL-2.0+
+// copyright-holders:Kevin Thacker, Dirk Best, Phill Harvey-Smith
+/***************************************************************************
+
+ Tatung Einstein
+
+***************************************************************************/
+
+#ifndef EINSTEIN_H_
+#define EINSTEIN_H_
+
+#include "emu.h"
+#include "video/mc6845.h"
+#include "cpu/z80/z80daisy.h"
+#include "machine/wd_fdc.h"
+#include "machine/z80ctc.h"
+#include "video/tms9928a.h"
+#include "machine/ram.h"
+#include "machine/i8251.h"
+#include "bus/centronics/ctronics.h"
+
+/***************************************************************************
+ CONSTANTS
+***************************************************************************/
+
+/* xtals */
+#define XTAL_X001 XTAL_10_738635MHz
+#define XTAL_X002 XTAL_8MHz
+
+/* integrated circuits */
+#define IC_I001 "i001" /* Z8400A */
+#define IC_I030 "i030" /* AY-3-8910 */
+#define IC_I038 "i038" /* TMM9129 */
+#define IC_I042 "i042" /* WD1770-PH */
+#define IC_I050 "i050" /* ADC0844CCN */
+#define IC_I058 "i058" /* Z8430A */
+#define IC_I060 "i060" /* uPD8251A */
+#define IC_I063 "i063" /* Z8420A */
+
+/* interrupt sources */
+#define EINSTEIN_KEY_INT (1<<0)
+#define EINSTEIN_ADC_INT (1<<1)
+#define EINSTEIN_FIRE_INT (1<<2)
+
+/***************************************************************************
+ TYPE DEFINITIONS
+***************************************************************************/
+
+class einstein_state : public driver_device
+{
+public:
+ einstein_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_fdc(*this, IC_I042),
+ m_color_screen(*this, "screen"),
+ m_ctc(*this, IC_I058),
+ m_tms9929a(*this, "tms9929a"),
+ m_region_gfx1(*this, "gfx1"),
+ m_mc6845(*this, "crtc"),
+ m_crtc_screen(*this, "80column"),
+ m_uart(*this, IC_I060),
+ m_ram(*this, RAM_TAG),
+ m_centronics(*this, "centronics"),
+ m_region_bios(*this, "bios"),
+ m_bank1(*this, "bank1"),
+ m_bank2(*this, "bank2"),
+ m_bank3(*this, "bank3"),
+ m_line0(*this, "LINE0"),
+ m_line1(*this, "LINE1"),
+ m_line2(*this, "LINE2"),
+ m_line3(*this, "LINE3"),
+ m_line4(*this, "LINE4"),
+ m_line5(*this, "LINE5"),
+ m_line6(*this, "LINE6"),
+ m_line7(*this, "LINE7"),
+ m_extra(*this, "EXTRA"),
+ m_buttons(*this, "BUTTONS"),
+ m_config(*this, "config"),
+ m_80column_dips(*this, "80column_dips"),
+ m_palette(*this, "palette") { }
+
+ required_device<wd1770_t> m_fdc;
+ required_device<screen_device> m_color_screen;
+ required_device<z80ctc_device> m_ctc;
+ required_device<tms9929a_device> m_tms9929a;
+ optional_memory_region m_region_gfx1;
+
+ int m_rom_enabled;
+ int m_interrupt;
+ int m_interrupt_mask;
+ int m_ctc_trigger;
+
+ /* keyboard */
+ UINT8 m_keyboard_line;
+ UINT8 m_keyboard_data;
+
+ /* 80 column device */
+ optional_device<mc6845_device> m_mc6845;
+ optional_device<screen_device> m_crtc_screen;
+ UINT8 *m_crtc_ram;
+ UINT8 m_de;
+
+ int m_centronics_busy;
+ int m_centronics_perror;
+ int m_centronics_fault;
+
+ DECLARE_FLOPPY_FORMATS( floppy_formats );
+ DECLARE_WRITE8_MEMBER(einstein_80col_ram_w);
+ DECLARE_READ8_MEMBER(einstein_80col_ram_r);
+ DECLARE_READ8_MEMBER(einstein_80col_state_r);
+ DECLARE_WRITE8_MEMBER(einstein_keyboard_line_write);
+ DECLARE_READ8_MEMBER(einstein_keyboard_data_read);
+ DECLARE_WRITE8_MEMBER(einstein_rom_w);
+ DECLARE_READ8_MEMBER(einstein_kybintmsk_r);
+ DECLARE_WRITE8_MEMBER(einstein_kybintmsk_w);
+ DECLARE_WRITE8_MEMBER(einstein_adcintmsk_w);
+ DECLARE_WRITE8_MEMBER(einstein_fire_int_w);
+ DECLARE_WRITE_LINE_MEMBER(write_centronics_busy);
+ DECLARE_WRITE_LINE_MEMBER(write_centronics_perror);
+ DECLARE_WRITE_LINE_MEMBER(write_centronics_fault);
+ virtual void machine_start();
+ virtual void machine_reset();
+ DECLARE_MACHINE_START(einstein2);
+ DECLARE_MACHINE_RESET(einstein2);
+ UINT32 screen_update_einstein2(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+ TIMER_DEVICE_CALLBACK_MEMBER(einstein_keyboard_timer_callback);
+ TIMER_DEVICE_CALLBACK_MEMBER(einstein_ctc_trigger_callback);
+ DECLARE_WRITE_LINE_MEMBER(einstein_6845_de_changed);
+ DECLARE_WRITE8_MEMBER(einstein_drsel_w);
+ DECLARE_WRITE_LINE_MEMBER(einstein_serial_transmit_clock);
+ DECLARE_WRITE_LINE_MEMBER(einstein_serial_receive_clock);
+ MC6845_UPDATE_ROW(crtc_update_row);
+
+protected:
+ required_device<i8251_device> m_uart;
+ required_device<ram_device> m_ram;
+ required_device<centronics_device> m_centronics;
+ required_memory_region m_region_bios;
+ required_memory_bank m_bank1;
+ required_memory_bank m_bank2;
+ required_memory_bank m_bank3;
+ required_ioport m_line0;
+ required_ioport m_line1;
+ required_ioport m_line2;
+ required_ioport m_line3;
+ required_ioport m_line4;
+ required_ioport m_line5;
+ required_ioport m_line6;
+ required_ioport m_line7;
+ required_ioport m_extra;
+ required_ioport m_buttons;
+ required_ioport m_config;
+ optional_ioport m_80column_dips;
+public:
+ optional_device<palette_device> m_palette;
+
+ void einstein_scan_keyboard();
+ void einstein_page_rom();
+};
+
+
+// ======================> einstein_keyboard_daisy_device
+
+class einstein_keyboard_daisy_device : public device_t,
+ public device_z80daisy_interface
+{
+public:
+ // construction/destruction
+ einstein_keyboard_daisy_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+private:
+ virtual void device_start();
+ // z80daisy_interface overrides
+ virtual int z80daisy_irq_state();
+ virtual int z80daisy_irq_ack();
+ virtual void z80daisy_irq_reti();
+};
+
+extern const device_type EINSTEIN_KEYBOARD_DAISY;
+
+
+// ======================> einstein_adc_daisy_device
+
+class einstein_adc_daisy_device : public device_t,
+ public device_z80daisy_interface
+{
+public:
+ // construction/destruction
+ einstein_adc_daisy_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+private:
+ virtual void device_start();
+ // z80daisy_interface overrides
+ virtual int z80daisy_irq_state();
+ virtual int z80daisy_irq_ack();
+ virtual void z80daisy_irq_reti();
+
+};
+
+extern const device_type EINSTEIN_ADC_DAISY;
+
+// ======================> einstein_fire_daisy_device
+
+class einstein_fire_daisy_device : public device_t,
+ public device_z80daisy_interface
+{
+public:
+ // construction/destruction
+ einstein_fire_daisy_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+private:
+ virtual void device_start();
+ // z80daisy_interface overrides
+ virtual int z80daisy_irq_state();
+ virtual int z80daisy_irq_ack();
+ virtual void z80daisy_irq_reti();
+};
+
+extern const device_type EINSTEIN_FIRE_DAISY;
+
+#endif /* EINSTEIN_H_ */