// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** 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_MVC__ #define __WANGPC_MVC__ #include "emu.h" #include "wangpc.h" #include "video/mc6845.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> wangpc_mvc_device class wangpc_mvc_device : public device_t, public device_wangpcbus_card_interface { public: // construction/destruction wangpc_mvc_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); // optional information overrides virtual machine_config_constructor device_mconfig_additions() const; // not really public void crtc_update_row(mc6845_device *device, bitmap_rgb32 &bitmap, const rectangle &cliprect, UINT16 ma, UINT8 ra, UINT16 y, UINT8 x_count, INT8 cursor_x, void *param); DECLARE_WRITE_LINE_MEMBER( vsync_w ); protected: // device-level overrides virtual void device_start(); virtual void device_reset(); // device_wangpcbus_card_interface overrides virtual UINT16 wangpcbus_mrdc_r(address_space &space, offs_t offset, UINT16 mem_mask); virtual void wangpcbus_amwc_w(address_space &space, offs_t offset, UINT16 mem_mask, UINT16 data); 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); private: inline void set_irq(int state); required_device m_crtc; optional_shared_ptr m_video_ram; optional_shared_ptr m_char_ram; optional_shared_ptr m_bitmap_ram; UINT8 m_option; int m_irq; }; // device type definition extern const device_type WANGPC_MVC; #endif