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-rw-r--r--src/mame/includes/coco12.h67
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diff --git a/src/mame/includes/coco12.h b/src/mame/includes/coco12.h
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+// license:BSD-3-Clause
+// copyright-holders:Nathan Woods
+/***************************************************************************
+
+ coco12.h
+
+ TRS-80 Radio Shack Color Computer 1/2 Family
+
+***************************************************************************/
+
+#pragma once
+
+#ifndef __COCO12__
+#define __COCO12__
+
+
+#include "includes/coco.h"
+#include "machine/6883sam.h"
+#include "video/mc6847.h"
+
+
+
+//**************************************************************************
+// MACROS / CONSTANTS
+//**************************************************************************
+
+#define SAM_TAG "sam"
+#define VDG_TAG "vdg"
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+class coco12_state : public coco_state
+{
+public:
+ coco12_state(const machine_config &mconfig, device_type type, const char *tag)
+ : coco_state(mconfig, type, tag),
+ m_sam(*this, SAM_TAG),
+ m_vdg(*this, VDG_TAG)
+ {
+ }
+
+
+ required_device<sam6883_device> m_sam;
+ required_device<mc6847_base_device> m_vdg;
+
+ DECLARE_READ8_MEMBER( sam_read );
+
+ DECLARE_WRITE_LINE_MEMBER( horizontal_sync );
+ DECLARE_WRITE_LINE_MEMBER( field_sync );
+protected:
+ virtual void device_start();
+ virtual void update_cart_base(UINT8 *cart_base);
+
+ /* PIA1 */
+ virtual void pia1_pb_changed(UINT8 data);
+
+private:
+
+ void configure_sam(void);
+};
+
+
+#endif /* __COCO12__ */