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-rw-r--r--src/mame/includes/zx.h112
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diff --git a/src/mame/includes/zx.h b/src/mame/includes/zx.h
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+// license:GPL-2.0+
+// copyright-holders:Juergen Buchmueller, Krzysztof Strzecha, Robbbert
+/*****************************************************************************
+ *
+ * includes/zx.h
+ *
+ ****************************************************************************/
+
+#ifndef ZX_H_
+#define ZX_H_
+
+#include "emu.h"
+#include "cpu/z80/z80.h"
+#include "sound/speaker.h"
+#include "sound/wave.h"
+#include "imagedev/cassette.h"
+#include "formats/zx81_p.h"
+#include "machine/ram.h"
+
+
+class zx_state : public driver_device
+{
+public:
+ enum
+ {
+ TIMER_TAPE_PULSE,
+ TIMER_ULA_NMI,
+ TIMER_ULA_IRQ
+ };
+
+ zx_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_maincpu(*this, "maincpu"),
+ m_ram(*this, RAM_TAG),
+ m_cassette(*this, "cassette"),
+ m_speaker(*this, "speaker"),
+ m_region_maincpu(*this, "maincpu"),
+ m_region_gfx1(*this, "gfx1"),
+ m_io_row0(*this, "ROW0"),
+ m_io_row1(*this, "ROW1"),
+ m_io_row2(*this, "ROW2"),
+ m_io_row3(*this, "ROW3"),
+ m_io_row4(*this, "ROW4"),
+ m_io_row5(*this, "ROW5"),
+ m_io_row6(*this, "ROW6"),
+ m_io_row7(*this, "ROW7"),
+ m_io_config(*this, "CONFIG"),
+ m_screen(*this, "screen") { }
+
+ UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+
+ bitmap_ind16 m_bitmap;
+
+ DECLARE_READ8_MEMBER(zx_ram_r);
+ DECLARE_READ8_MEMBER(zx80_io_r);
+ DECLARE_READ8_MEMBER(zx81_io_r);
+ DECLARE_READ8_MEMBER(pc8300_io_r);
+ DECLARE_READ8_MEMBER(pow3000_io_r);
+ DECLARE_WRITE8_MEMBER(zx80_io_w);
+ DECLARE_WRITE8_MEMBER(zx81_io_w);
+ emu_timer *m_ula_nmi;
+ int m_ula_irq_active;
+ int m_ula_frame_vsync;
+ int m_ula_scanline_count;
+ UINT8 m_tape_bit;
+ UINT8 m_speaker_state;
+ int m_old_x;
+ int m_old_y;
+ UINT8 m_old_c;
+ UINT8 m_charline[32];
+ UINT8 m_charline_ptr;
+ int m_offs1;
+ void zx_ula_bkgnd(UINT8 color);
+ DECLARE_WRITE8_MEMBER(zx_ram_w);
+ DECLARE_DIRECT_UPDATE_MEMBER(zx_setdirect);
+ DECLARE_DIRECT_UPDATE_MEMBER(pc8300_setdirect);
+ DECLARE_DIRECT_UPDATE_MEMBER(pow3000_setdirect);
+ DECLARE_DRIVER_INIT(zx);
+ virtual void machine_reset();
+ virtual void video_start();
+ DECLARE_PALETTE_INIT(zx);
+ DECLARE_PALETTE_INIT(ts1000);
+ DECLARE_MACHINE_RESET(pc8300);
+ DECLARE_MACHINE_RESET(pow3000);
+ void screen_eof_zx(screen_device &screen, bool state);
+ TIMER_CALLBACK_MEMBER(zx_tape_pulse);
+ TIMER_CALLBACK_MEMBER(zx_ula_nmi);
+ TIMER_CALLBACK_MEMBER(zx_ula_irq);
+
+protected:
+ required_device<cpu_device> m_maincpu;
+ required_device<ram_device> m_ram;
+ required_device<cassette_image_device> m_cassette;
+ required_device<speaker_sound_device> m_speaker;
+ required_memory_region m_region_maincpu;
+ optional_memory_region m_region_gfx1;
+ required_ioport m_io_row0;
+ required_ioport m_io_row1;
+ required_ioport m_io_row2;
+ required_ioport m_io_row3;
+ required_ioport m_io_row4;
+ required_ioport m_io_row5;
+ required_ioport m_io_row6;
+ required_ioport m_io_row7;
+ optional_ioport m_io_config;
+ required_device<screen_device> m_screen;
+
+ void zx_ula_r(int offs, memory_region *region, const UINT8 param);
+ virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
+};
+
+#endif /* ZX_H_ */