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-rw-r--r--src/mess/includes/zx.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/src/mess/includes/zx.h b/src/mess/includes/zx.h
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+++ b/src/mess/includes/zx.h
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+/*****************************************************************************
+ *
+ * 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:
+ zx_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag) { }
+
+ 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);
+};
+
+
+/*----------- defined in machine/zx.c -----------*/
+
+MACHINE_RESET( zx80 );
+MACHINE_RESET( pow3000 );
+MACHINE_RESET( pc8300 );
+
+/*----------- defined in video/zx.c -----------*/
+
+VIDEO_START( zx );
+SCREEN_VBLANK( zx );
+
+void zx_ula_bkgnd(running_machine &machine, int color);
+void zx_ula_r(running_machine &machine, int offs, const char *region, const UINT8 param);
+
+//extern int ula_nmi_active;
+//extern int ula_scancode_count;
+
+
+#endif /* ZX_H_ */