// license:BSD-3-Clause // copyright-holders:Barry Rodewald /* * s3virge.h * * S3 ViRGE 2D/3D video card * */ #ifndef S3VIRGE_H_ #define S3VIRGE_H_ #include "emu.h" #include "video/pc_vga.h" // ======================> s3virge_vga_device class s3virge_vga_device : public s3_vga_device { public: // construction/destruction s3virge_vga_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock); s3virge_vga_device(const machine_config &mconfig, device_type type, const char *name, std::string tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); virtual READ8_MEMBER(port_03b0_r) override; virtual WRITE8_MEMBER(port_03b0_w) override; virtual READ8_MEMBER(port_03c0_r) override; virtual WRITE8_MEMBER(port_03c0_w) override; virtual READ8_MEMBER(port_03d0_r) override; virtual WRITE8_MEMBER(port_03d0_w) override; virtual READ8_MEMBER(mem_r) override; virtual WRITE8_MEMBER(mem_w) override; ibm8514a_device* get_8514() { fatalerror("s3virge requested non-existant 8514/A device\n"); return nullptr; } protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; private: virtual UINT8 s3_crtc_reg_read(UINT8 index); virtual void s3_define_video_mode(void); virtual void s3_crtc_reg_write(UINT8 index, UINT8 data); // has no 8514/A device }; // ======================> s3virgedx_vga_device class s3virgedx_vga_device : public s3virge_vga_device { public: // construction/destruction s3virgedx_vga_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock); s3virgedx_vga_device(const machine_config &mconfig, device_type type, const char *name, std::string tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; }; // ======================> s3virgedx_vga_device class s3virgedx_rev1_vga_device : public s3virgedx_vga_device { public: // construction/destruction s3virgedx_rev1_vga_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock); protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; }; // device type definition extern const device_type S3VIRGE; extern const device_type S3VIRGEDX; extern const device_type S3VIRGEDX1; #endif /* S3VIRGE_H_ */