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// license:BSD-3-Clause
// copyright-holders:Jean-Francois DEL NERO
/*********************************************************************
ef9364.h
Thomson EF9364 video controller
*********************************************************************/
#pragma once
#ifndef __EF9364_H__
#define __EF9364_H__
#define EF9364_NB_OF_COLUMNS 64
#define EF9364_NB_OF_ROWS 16
#define EF9364_TXTPLANE_MAX_SIZE ( EF9364_NB_OF_COLUMNS * EF9364_NB_OF_ROWS )
#define EF9364_MAX_TXTPLANES 2
#define MCFG_EF9364_PALETTE(_palette_tag) \
ef9364_device::static_set_palette_tag(*device, "^" _palette_tag);
#define MCFG_EF9364_PAGES_CNT(_pages_number) \
ef9364_device::static_set_nb_of_pages(*device,_pages_number);
#define MCFG_EF9364_IRQ_HANDLER(_devcb) \
devcb = &ef9364_device::set_irq_handler(*device, DEVCB_##_devcb);
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> ef9364_device
class ef9364_device : public device_t,
public device_memory_interface,
public device_video_interface
{
public:
// construction/destruction
ef9364_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);
static void static_set_nb_of_pages(device_t &device, int nb_bitplanes );
// device interface
void update_scanline(UINT16 scanline);
void set_color_entry( int index, UINT8 r, UINT8 g, UINT8 b );
UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
void char_latch_w(UINT8 data);
void command_w(UINT8 cmd);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// device_config_memory_interface overrides
virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_0) const override;
// address space configurations
const address_space_config m_space_config;
// inline helper
private:
void screen_scanning( int force_clear );
void set_video_mode(void);
void draw_border(UINT16 line);
// internal state
memory_region *m_charset;
address_space *m_textram;
UINT8 x_curs_pos;
UINT8 y_curs_pos;
UINT8 char_latch;
UINT8 m_border[80]; //border color
rgb_t palette[2];
int nb_of_pages;
int bitplane_xres;
int bitplane_yres;
int vsync_scanline_pos;
int cursor_cnt;
int cursor_state;
UINT32 clock_freq;
bitmap_rgb32 m_screen_out;
required_device<palette_device> m_palette;
};
// device type definition
extern const device_type EF9364;
#endif
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