// license:BSD-3-Clause
// copyright-holders:Dan Boris
/*************************************************************************
Atari I, Robot hardware
*************************************************************************/
#ifndef MAME_INCLUDES_IROBOT_H
#define MAME_INCLUDES_IROBOT_H
#pragma once
#include "machine/timer.h"
#include "sound/pokey.h"
#include "screen.h"
#define IR_TIMING 1 /* try to emulate MB and VG running time */
class irobot_state : public driver_device
{
public:
struct irmb_ops
{
const struct irmb_ops *nxtop;
uint32_t func;
uint32_t diradd;
uint32_t latchmask;
uint32_t *areg;
uint32_t *breg;
uint8_t cycles;
uint8_t diren;
uint8_t flags;
uint8_t ramsel;
};
irobot_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_nvram(*this, "nvram") ,
m_videoram(*this, "videoram"),
m_maincpu(*this, "maincpu"),
m_gfxdecode(*this, "gfxdecode"),
m_screen(*this, "screen"),
m_palette(*this, "palette"),
m_pokey(*this, "pokey%u", 1U)
{ }
void init_irobot();
void irobot(machine_config &config);
protected:
virtual void machine_reset() override;
virtual void video_start() override;
void irobot_map(address_map &map);
DECLARE_WRITE8_MEMBER(irobot_nvram_w);
DECLARE_WRITE8_MEMBER(irobot_clearirq_w);
DECLARE_WRITE8_MEMBER(irobot_clearfirq_w);
DECLARE_READ8_MEMBER(irobot_sharedmem_r);
DECLARE_WRITE8_MEMBER(irobot_sharedmem_w);
DECLARE_WRITE8_MEMBER(irobot_statwr_w);
DECLARE_WRITE8_MEMBER(irobot_out0_w);
DECLARE_WRITE8_MEMBER(irobot_rom_banksel_w);
DECLARE_READ8_MEMBER(irobot_status_r);
DECLARE_WRITE8_MEMBER(irobot_paletteram_w);
DECLARE_READ8_MEMBER(quad_pokeyn_r);
DECLARE_WRITE8_MEMBER(quad_pokeyn_w);
DECLARE_PALETTE_INIT(irobot);
uint32_t screen_update_irobot(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_CALLBACK_MEMBER(scanline_callback);
TIMER_DEVICE_CALLBACK_MEMBER(irobot_irvg_done_callback);
TIMER_DEVICE_CALLBACK_MEMBER(irobot_irmb_done_callback);
void irobot_poly_clear(uint8_t *bitmap_base);
void irobot_poly_clear();
void draw_line(uint8_t *polybitmap, int x1, int y1, int x2, int y2, int col);
void irobot_run_video();
uint32_t irmb_din(const irmb_ops *curop);
void irmb_dout(const irmb_ops *curop, uint32_t d);
void load_oproms();
void irmb_run();
private:
required_shared_ptr<uint8_t> m_nvram;
required_shared_ptr<uint8_t> m_videoram;
uint8_t m_vg_clear;
uint8_t m_bufsel;
uint8_t m_alphamap;
uint8_t *m_combase;
uint8_t m_irvg_vblank;
uint8_t m_irvg_running;
uint8_t m_irmb_running;
#if IR_TIMING
timer_device *m_irvg_timer;
timer_device *m_irmb_timer;
#endif
uint8_t *m_comRAM[2];
uint8_t *m_mbRAM;
uint8_t *m_mbROM;
uint8_t m_statwr;
uint8_t m_out0;
uint8_t m_outx;
uint8_t m_mpage;
uint8_t *m_combase_mb;
irmb_ops *m_mbops;
const irmb_ops *m_irmb_stack[16];
uint32_t m_irmb_regs[16];
uint32_t m_irmb_latch;
std::unique_ptr<uint8_t[]> m_polybitmap1;
std::unique_ptr<uint8_t[]> m_polybitmap2;
int m_ir_xmin;
int m_ir_ymin;
int m_ir_xmax;
int m_ir_ymax;
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
required_device_array<pokey_device, 4> m_pokey;
};
#endif // MAME_INCLUDES_IROBOT_H