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// license:GPL-2.0+
// copyright-holders:Dirk Best
/***************************************************************************
Nascom Advanced Video Card
***************************************************************************/
#ifndef MAME_BUS_NASBUS_AVC_H
#define MAME_BUS_NASBUS_AVC_H
#pragma once
#include "nasbus.h"
#include "video/mc6845.h"
#include "emupal.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> nascom_avc_device
class nascom_avc_device : public device_t, public device_nasbus_card_interface
{
public:
// construction/destruction
nascom_avc_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
void control_w(uint8_t data);
uint8_t vram_r(offs_t offset);
void vram_w(offs_t offset, uint8_t data);
protected:
virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
private:
MC6845_UPDATE_ROW(crtc_update_row);
required_device<mc6845_device> m_crtc;
required_device<palette_device> m_palette;
std::vector<uint8_t> m_r_ram;
std::vector<uint8_t> m_g_ram;
std::vector<uint8_t> m_b_ram;
uint8_t m_control;
};
// device type definition
DECLARE_DEVICE_TYPE(NASCOM_AVC, nascom_avc_device)
#endif // MAME_BUS_NASBUS_AVC_H
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