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/**********************************************************************
Wang PC PM-001B Medium-Resolution Video Controller emulation
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
**********************************************************************/
#pragma once
#ifndef __WANGPC_TIG__
#define __WANGPC_TIG__
#include "emu.h"
#include "machine/wangpcbus.h"
#include "video/upd7220.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> wangpc_tig_device
class wangpc_tig_device : public device_t,
public device_wangpcbus_card_interface
{
public:
// construction/destruction
wangpc_tig_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// optional information overrides
virtual const rom_entry *device_rom_region() const;
virtual machine_config_constructor device_mconfig_additions() const;
UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
protected:
// device-level overrides
virtual void device_start();
virtual void device_reset();
// device_wangpcbus_card_interface overrides
virtual UINT16 wangpcbus_iorc_r(address_space &space, offs_t offset, UINT16 mem_mask);
virtual void wangpcbus_aiowc_w(address_space &space, offs_t offset, UINT16 mem_mask, UINT16 data);
virtual UINT8 wangpcbus_dack_r(address_space &space, int line);
virtual void wangpcbus_dack_w(address_space &space, int line, UINT8 data);
virtual bool wangpcbus_have_dack(int line);
private:
// internal state
required_device<upd7220_device> m_hgdc0;
required_device<upd7220_device> m_hgdc1;
UINT8 m_option;
UINT8 m_attr[16];
UINT8 m_underline;
};
// device type definition
extern const device_type WANGPC_TIG;
#endif
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