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diff --git a/trunk/src/emu/video/crt9021.h b/trunk/src/emu/video/crt9021.h
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+/**********************************************************************
+
+ SMC CRT9021 Video Attributes Controller (VAC) emulation
+
+ Copyright MESS Team.
+ Visit http://mamedev.org for licensing and usage restrictions.
+
+**********************************************************************
+ _____ _____
+ D0 1 |* \_/ | 28 D1
+ MS0 2 | | 27 D2
+ MS1 3 | | 26 D3
+ REVID 4 | | 25 D4
+ CHABL 5 | | 24 D5
+ BLINK 6 | | 23 D6
+ INTIN 7 | CRT9021 | 22 D7
+ +5V 8 | | 21 _VSYNC
+ ATTEN 9 | | 20 GND
+ INTOUT 10 | | 19 SL0/SLD
+ CURSOR 11 | | 18 SL1/_SLG
+ RETBL 12 | | 17 SL2/BLC
+ _LD/SH 13 | | 16 SL3/BKC
+ VIDEO 14 |_____________| 15 VDC
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __CRT9021__
+#define __CRT9021__
+
+#include "emu.h"
+
+
+
+//**************************************************************************
+// MACROS / CONSTANTS
+//**************************************************************************
+
+
+
+
+//**************************************************************************
+// INTERFACE CONFIGURATION MACROS
+//**************************************************************************
+
+#define MCFG_CRT9021_ADD(_tag, _clock, _config) \
+ MCFG_DEVICE_ADD(_tag, CRT9021, _clock) \
+ MCFG_DEVICE_CONFIG(_config)
+
+
+#define CRT9021_INTERFACE(name) \
+ const crt9021_interface (name) =
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+
+// ======================> crt9021_interface
+
+struct crt9021_interface
+{
+ const char *screen_tag; /* screen we are acting on */
+
+ devcb_read8 in_data_cb;
+ devcb_read8 in_attr_cb;
+
+ devcb_read_line in_atten_cb;
+};
+
+
+
+// ======================> crt9021_device
+
+class crt9021_device : public device_t,
+ public crt9021_interface
+{
+public:
+ // construction/destruction
+ crt9021_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ DECLARE_WRITE_LINE_MEMBER( slg_w );
+ DECLARE_WRITE_LINE_MEMBER( sld_w );
+ DECLARE_WRITE_LINE_MEMBER( cursor_w );
+ DECLARE_WRITE_LINE_MEMBER( retbl_w );
+ DECLARE_WRITE_LINE_MEMBER( vsync_w );
+
+ UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+
+protected:
+ // device-level overrides
+ virtual void device_config_complete();
+ virtual void device_start();
+ virtual void device_clock_changed();
+ virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
+
+private:
+ devcb_resolved_read8 m_in_data_func;
+ devcb_resolved_read8 m_in_attr_func;
+ devcb_resolved_read_line m_in_atten_func;
+
+ screen_device *m_screen;
+
+ int m_slg;
+ int m_sld;
+ int m_cursor;
+ int m_retbl;
+ int m_vsync;
+};
+
+
+// device type definition
+extern const device_type CRT9021;
+
+
+
+#endif