// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/*************************************************************************
Atari Crystal Castles hardware
*************************************************************************/
#ifndef MAME_INCLUDES_CCASTLES_H
#define MAME_INCLUDES_CCASTLES_H
#pragma once
#include "cpu/m6502/m6502.h"
#include "machine/x2212.h"
#include "screen.h"
class ccastles_state : public driver_device
{
public:
ccastles_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_nvram_4b(*this, "nvram_4b"),
m_nvram_4a(*this, "nvram_4a") ,
m_videoram(*this, "videoram"),
m_spriteram(*this, "spriteram"),
m_gfxdecode(*this, "gfxdecode"),
m_screen(*this, "screen"),
m_palette(*this, "palette"),
m_led(*this, "led%u", 0U)
{ }
DECLARE_CUSTOM_INPUT_MEMBER(get_vblank);
void ccastles(machine_config &config);
protected:
DECLARE_WRITE8_MEMBER(irq_ack_w);
DECLARE_WRITE8_MEMBER(led_w);
DECLARE_WRITE8_MEMBER(ccounter_w);
DECLARE_WRITE8_MEMBER(bankswitch_w);
DECLARE_READ8_MEMBER(leta_r);
DECLARE_WRITE8_MEMBER(nvram_recall_w);
DECLARE_WRITE8_MEMBER(nvram_store_w);
DECLARE_READ8_MEMBER(nvram_r);
DECLARE_WRITE8_MEMBER(nvram_w);
DECLARE_WRITE8_MEMBER(ccastles_hscroll_w);
DECLARE_WRITE8_MEMBER(ccastles_vscroll_w);
DECLARE_WRITE8_MEMBER(ccastles_video_control_w);
DECLARE_WRITE8_MEMBER(ccastles_paletteram_w);
DECLARE_WRITE8_MEMBER(ccastles_videoram_w);
DECLARE_READ8_MEMBER(ccastles_bitmode_r);
DECLARE_WRITE8_MEMBER(ccastles_bitmode_w);
DECLARE_WRITE8_MEMBER(ccastles_bitmode_addr_w);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
uint32_t screen_update_ccastles(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_CALLBACK_MEMBER(clock_irq);
inline void ccastles_write_vram( uint16_t addr, uint8_t data, uint8_t bitmd, uint8_t pixba );
inline void bitmode_autoinc( );
inline void schedule_next_irq( int curscanline );
void main_map(address_map &map);
private:
/* devices */
required_device<m6502_device> m_maincpu;
required_device<x2212_device> m_nvram_4b;
required_device<x2212_device> m_nvram_4a;
/* memory pointers */
required_shared_ptr<uint8_t> m_videoram;
required_shared_ptr<uint8_t> m_spriteram;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
output_finder<2> m_led;
/* video-related */
const uint8_t *m_syncprom;
const uint8_t *m_wpprom;
const uint8_t *m_priprom;
bitmap_ind16 m_spritebitmap;
double m_rweights[3];
double m_gweights[3];
double m_bweights[3];
uint8_t m_video_control[8];
uint8_t m_bitmode_addr[2];
uint8_t m_hscroll;
uint8_t m_vscroll;
/* misc */
int m_vblank_start;
int m_vblank_end;
emu_timer *m_irq_timer;
uint8_t m_irq_state;
uint8_t m_nvram_store[2];
};
#endif // MAME_INCLUDES_CCASTLES_H