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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
CBM 8000 High Speed Graphics (324402-01) card emulation
**********************************************************************/
#ifndef MAME_BUS_PET_HSG_H
#define MAME_BUS_PET_HSG_H
#pragma once
#include "exp.h"
#include "video/ef9365.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> cbm8000_hsg_device
class cbm8000_hsg_device : public device_t, public device_pet_expansion_card_interface
{
protected:
// construction/destruction
cbm8000_hsg_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
// device_pet_expansion_card_interface overrides
virtual int pet_norom_r(address_space &space, offs_t offset, int sel) override;
virtual uint8_t pet_bd_r(address_space &space, offs_t offset, uint8_t data, int &sel) override;
virtual void pet_bd_w(address_space &space, offs_t offset, uint8_t data, int &sel) override;
private:
required_device<ef9365_device> m_gdc;
required_memory_region m_9000;
required_memory_region m_a000;
};
// ======================> cbm8000_hsg_a_device
class cbm8000_hsg_a_device : public cbm8000_hsg_device
{
public:
// construction/destruction
cbm8000_hsg_a_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override;
private:
void hsg_a_map(address_map &map);
};
// ======================> cbm8000_hsg_b_device
class cbm8000_hsg_b_device : public cbm8000_hsg_device
{
public:
// construction/destruction
cbm8000_hsg_b_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override;
private:
void hsg_b_map(address_map &map);
};
// device type definition
DECLARE_DEVICE_TYPE(CBM8000_HSG_A, cbm8000_hsg_a_device)
DECLARE_DEVICE_TYPE(CBM8000_HSG_B, cbm8000_hsg_b_device)
#endif // MAME_BUS_PET_HSG_H
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