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// license: ?
// copyright-holders: Angelo Salese
/***************************************************************************
Template for skeleton device
***************************************************************************/
#pragma once
#ifndef __MB_VCUDEV_H__
#define __MB_VCUDEV_H__
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_MB_VCU_ADD(_tag,_freq,_config, _palette_tag) \
MCFG_DEVICE_ADD(_tag, MB_VCU, _freq) \
MCFG_DEVICE_CONFIG(_config) \
mb_vcu_device::static_set_palette_tag(*device, "^" _palette_tag);
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> mb_vcu_interface
struct mb_vcu_interface
{
const char *m_cpu_tag;
};
// ======================> mb_vcu_device
class mb_vcu_device : public device_t,
public device_memory_interface,
public device_video_interface,
public mb_vcu_interface
{
public:
// construction/destruction
mb_vcu_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// static configuration
static void static_set_palette_tag(device_t &device, const char *tag);
// I/O operations
DECLARE_WRITE8_MEMBER( write_vregs );
DECLARE_READ8_MEMBER( read_ram );
DECLARE_WRITE8_MEMBER( write_ram );
DECLARE_READ8_MEMBER( load_params );
DECLARE_READ8_MEMBER( load_gfx );
DECLARE_READ8_MEMBER( load_set_clr );
DECLARE_WRITE8_MEMBER( background_color_w );
DECLARE_READ8_MEMBER( status_r );
DECLARE_WRITE8_MEMBER( vbank_w );
DECLARE_READ8_MEMBER( mb_vcu_paletteram_r );
DECLARE_WRITE8_MEMBER( mb_vcu_paletteram_w );
UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
void screen_eof(void);
protected:
// device-level overrides
virtual void device_config_complete();
virtual void device_validity_check(validity_checker &valid) const;
virtual void device_start();
virtual void device_reset();
virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_0) const;
private:
inline UINT8 read_byte(offs_t address);
inline void write_byte(offs_t address, UINT8 data);
inline UINT8 read_io(offs_t address);
inline void write_io(offs_t address, UINT8 data);
const address_space_config m_videoram_space_config;
const address_space_config m_paletteram_space_config;
UINT8 m_status;
UINT8 *m_ram;
UINT8 *m_palram;
cpu_device *m_cpu;
UINT16 m_param_offset_latch;
INT16 m_xpos, m_ypos;
UINT8 m_color1, m_color2;
UINT8 m_mode;
UINT16 m_pix_xsize, m_pix_ysize;
UINT8 m_vregs[4];
UINT8 m_bk_color;
UINT8 m_vbank;
double m_weights_r[2];
double m_weights_g[3];
double m_weights_b[3];
required_device<palette_device> m_palette;
};
// device type definition
extern const device_type MB_VCU;
//**************************************************************************
// GLOBAL VARIABLES
//**************************************************************************
#endif
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