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// license:BSD-3-Clause
// copyright-holders:Barry Rodewald
/*
* s3virge.h
*
* S3 ViRGE 2D/3D video card
*
*/
#ifndef MAME_BUS_ISA_S3VIRGE_H
#define MAME_BUS_ISA_S3VIRGE_H
#pragma once
#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, const char *tag, device_t *owner, uint32_t clock);
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:
s3virge_vga_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;
private:
virtual uint8_t s3_crtc_reg_read(uint8_t index);
virtual void s3_define_video_mode(void);
virtual void s3_crtc_reg_write(uint8_t index, uint8_t 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, const char *tag, device_t *owner, uint32_t clock);
protected:
s3virgedx_vga_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;
};
// ======================> s3virgedx_vga_device
class s3virgedx_rev1_vga_device : public s3virgedx_vga_device
{
public:
// construction/destruction
s3virgedx_rev1_vga_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
};
// device type definition
DECLARE_DEVICE_TYPE(S3VIRGE, s3virge_vga_device)
DECLARE_DEVICE_TYPE(S3VIRGEDX, s3virgedx_vga_device)
DECLARE_DEVICE_TYPE(S3VIRGEDX1, s3virgedx_rev1_vga_device)
#endif // MAME_BUS_ISA_S3VIRGE_H
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