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-rw-r--r--src/devices/bus/pet/hsg.h87
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diff --git a/src/devices/bus/pet/hsg.h b/src/devices/bus/pet/hsg.h
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+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+ CBM 8000 High Speed Graphics (324402-01) card emulation
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __CBM8000_HSG__
+#define __CBM8000_HSG__
+
+#include "emu.h"
+#include "exp.h"
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> cbm8000_hsg_t
+
+class cbm8000_hsg_t : public device_t,
+ public device_pet_expansion_card_interface
+{
+public:
+ // construction/destruction
+ cbm8000_hsg_t(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
+ cbm8000_hsg_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual const rom_entry *device_rom_region() const;
+
+ // device_pet_expansion_card_interface overrides
+ virtual int pet_norom_r(address_space &space, offs_t offset, int sel);
+ virtual UINT8 pet_bd_r(address_space &space, offs_t offset, UINT8 data, int &sel);
+ virtual void pet_bd_w(address_space &space, offs_t offset, UINT8 data, int &sel);
+
+ UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+private:
+ //required_device<ef9365_device> m_gdc;
+ required_memory_region m_9000;
+ required_memory_region m_a000;
+};
+
+
+// ======================> cbm8000_hsg_a_t
+
+class cbm8000_hsg_a_t : public cbm8000_hsg_t
+{
+public:
+ // construction/destruction
+ cbm8000_hsg_a_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual machine_config_constructor device_mconfig_additions() const;
+};
+
+
+// ======================> cbm8000_hsg_b_t
+
+class cbm8000_hsg_b_t : public cbm8000_hsg_t
+{
+public:
+ // construction/destruction
+ cbm8000_hsg_b_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual machine_config_constructor device_mconfig_additions() const;
+};
+
+
+// device type definition
+extern const device_type CBM8000_HSG_A;
+extern const device_type CBM8000_HSG_B;
+
+
+
+#endif